diff options
283 files changed, 4937 insertions, 3092 deletions
diff --git a/Documentation/ABI/obsolete/proc-pid-oom_adj b/Documentation/ABI/obsolete/proc-pid-oom_adj new file mode 100644 index 000000000000..cf63f264ce0f --- /dev/null +++ b/Documentation/ABI/obsolete/proc-pid-oom_adj @@ -0,0 +1,22 @@ +What: /proc/<pid>/oom_adj +When: August 2012 +Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's + badness heuristic used to determine which task to kill when the kernel + is out of memory. + + The badness heuristic has since been rewritten since the introduction of + this tunable such that its meaning is deprecated. The value was + implemented as a bitshift on a score generated by the badness() + function that did not have any precise units of measure. With the + rewrite, the score is given as a proportion of available memory to the + task allocating pages, so using a bitshift which grows the score + exponentially is, thus, impossible to tune with fine granularity. + + A much more powerful interface, /proc/<pid>/oom_score_adj, was + introduced with the oom killer rewrite that allows users to increase or + decrease the badness() score linearly. This interface will replace + /proc/<pid>/oom_adj. + + A warning will be emitted to the kernel log if an application uses this + deprecated interface. After it is printed once, future warnings will be + suppressed until the kernel is rebooted. diff --git a/Documentation/block/switching-sched.txt b/Documentation/block/switching-sched.txt index d5af3f630814..71cfbdc0f74d 100644 --- a/Documentation/block/switching-sched.txt +++ b/Documentation/block/switching-sched.txt @@ -16,7 +16,7 @@ you can do so by typing: As of the Linux 2.6.10 kernel, it is now possible to change the IO scheduler for a given block device on the fly (thus making it possible, for instance, to set the CFQ scheduler for the system default, but -set a specific device to use the anticipatory or noop schedulers - which +set a specific device to use the deadline or noop schedulers - which can improve that device's throughput). To set a specific scheduler, simply do this: @@ -31,7 +31,7 @@ a "cat /sys/block/DEV/queue/scheduler" - the list of valid names will be displayed, with the currently selected scheduler in brackets: # cat /sys/block/hda/queue/scheduler -noop anticipatory deadline [cfq] -# echo anticipatory > /sys/block/hda/queue/scheduler +noop deadline [cfq] +# echo deadline > /sys/block/hda/queue/scheduler # cat /sys/block/hda/queue/scheduler -noop [anticipatory] deadline cfq +noop [deadline] cfq diff --git a/Documentation/filesystems/xfs-delayed-logging-design.txt b/Documentation/filesystems/xfs-delayed-logging-design.txt index 96d0df28bed3..7445bf335dae 100644 --- a/Documentation/filesystems/xfs-delayed-logging-design.txt +++ b/Documentation/filesystems/xfs-delayed-logging-design.txt @@ -794,17 +794,6 @@ designed. Roadmap: -2.6.37 Remove experimental tag from mount option - => should be roughly 6 months after initial merge - => enough time to: - => gain confidence and fix problems reported by early - adopters (a.k.a. guinea pigs) - => address worst performance regressions and undesired - behaviours - => start tuning/optimising code for parallelism - => start tuning/optimising algorithms consuming - excessive CPU time - 2.6.39 Switch default mount option to use delayed logging => should be roughly 12 months after initial merge => enough time to shake out remaining problems before next round of diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index ed45e9802aa8..92e83e53148f 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -706,7 +706,7 @@ and is between 256 and 4096 characters. It is defined in the file arch/x86/kernel/cpu/cpufreq/elanfreq.c. elevator= [IOSCHED] - Format: {"anticipatory" | "cfq" | "deadline" | "noop"} + Format: {"cfq" | "deadline" | "noop"} See Documentation/block/as-iosched.txt and Documentation/block/deadline-iosched.txt for details. diff --git a/Documentation/leds-class.txt b/Documentation/leds-class.txt index 8fd5ca2ae32d..58b266bd1846 100644 --- a/Documentation/leds-class.txt +++ b/Documentation/leds-class.txt @@ -60,15 +60,18 @@ Hardware accelerated blink of LEDs Some LEDs can be programmed to blink without any CPU interaction. To support this feature, a LED driver can optionally implement the -blink_set() function (see <linux/leds.h>). If implemented, triggers can -attempt to use it before falling back to software timers. The blink_set() -function should return 0 if the blink setting is supported, or -EINVAL -otherwise, which means that LED blinking will be handled by software. - -The blink_set() function should choose a user friendly blinking -value if it is called with *delay_on==0 && *delay_off==0 parameters. In -this case the driver should give back the chosen value through delay_on -and delay_off parameters to the leds subsystem. +blink_set() function (see <linux/leds.h>). To set an LED to blinking, +however, it is better to use use the API function led_blink_set(), +as it will check and implement software fallback if necessary. + +To turn off blinking again, use the API function led_brightness_set() +as that will not just set the LED brightness but also stop any software +timers that may have been required for blinking. + +The blink_set() function should choose a user friendly blinking value +if it is called with *delay_on==0 && *delay_off==0 parameters. In this +case the driver should give back the chosen value through delay_on and +delay_off parameters to the leds subsystem. Setting the brightness to zero with brightness_set() callback function should completely turn off the LED and cancel the previously programmed diff --git a/Documentation/leds/leds-lp5521.txt b/Documentation/leds/leds-lp5521.txt new file mode 100644 index 000000000000..c4d8d151e0fe --- /dev/null +++ b/Documentation/leds/leds-lp5521.txt @@ -0,0 +1,88 @@ +Kernel driver for lp5521 +======================== + +* National Semiconductor LP5521 led driver chip +* Datasheet: http://www.national.com/pf/LP/LP5521.html + +Authors: Mathias Nyman, Yuri Zaporozhets, Samu Onkalo +Contact: Samu Onkalo (samu.p.onkalo-at-nokia.com) + +Description +----------- + +LP5521 can drive up to 3 channels. Leds can be controlled directly via +the led class control interface. Channels have generic names: +lp5521:channelx, where x is 0 .. 2 + +All three channels can be also controlled using the engine micro programs. +More details of the instructions can be found from the public data sheet. + +Control interface for the engines: +x is 1 .. 3 +enginex_mode : disabled, load, run +enginex_load : store program (visible only in engine load mode) + +Example (start to blink the channel 2 led): +cd /sys/class/leds/lp5521:channel2/device +echo "load" > engine3_mode +echo "037f4d0003ff6000" > engine3_load +echo "run" > engine3_mode + +stop the engine: +echo "disabled" > engine3_mode + +sysfs contains a selftest entry. +The test communicates with the chip and checks that +the clock mode is automatically set to the requested one. + +Each channel has its own led current settings. +/sys/class/leds/lp5521:channel0/led_current - RW +/sys/class/leds/lp5521:channel0/max_current - RO +Format: 10x mA i.e 10 means 1.0 mA + +example platform data: + +Note: chan_nr can have values between 0 and 2. + +static struct lp5521_led_config lp5521_led_config[] = { + { + .chan_nr = 0, + .led_current = 50, + .max_current = 130, + }, { + .chan_nr = 1, + .led_current = 0, + .max_current = 130, + }, { + .chan_nr = 2, + .led_current = 0, + .max_current = 130, + } +}; + +static int lp5521_setup(void) +{ + /* setup HW resources */ +} + +static void lp5521_release(void) +{ + /* Release HW resources */ +} + +static void lp5521_enable(bool state) +{ + /* Control of chip enable signal */ +} + +static struct lp5521_platform_data lp5521_platform_data = { + .led_config = lp5521_led_config, + .num_channels = ARRAY_SIZE(lp5521_led_config), + .clock_mode = LP5521_CLOCK_EXT, + .setup_resources = lp5521_setup, + .release_resources = lp5521_release, + .enable = lp5521_enable, +}; + +If the current is set to 0 in the platform data, that channel is +disabled and it is not visible in the sysfs. diff --git a/Documentation/leds/leds-lp5523.txt b/Documentation/leds/leds-lp5523.txt new file mode 100644 index 000000000000..fad2feb8b7ce --- /dev/null +++ b/Documentation/leds/leds-lp5523.txt @@ -0,0 +1,83 @@ +Kernel driver for lp5523 +======================== + +* National Semiconductor LP5523 led driver chip +* Datasheet: http://www.national.com/pf/LP/LP5523.html + +Authors: Mathias Nyman, Yuri Zaporozhets, Samu Onkalo +Contact: Samu Onkalo (samu.p.onkalo-at-nokia.com) + +Description +----------- +LP5523 can drive up to 9 channels. Leds can be controlled directly via +the led class control interface. Channels have generic names: +lp5523:channelx where x is 0...8 + +The chip provides 3 engines. Each engine can control channels without +interaction from the main CPU. Details of the micro engine code can be found +from the public data sheet. Leds can be muxed to different channels. + +Control interface for the engines: +x is 1 .. 3 +enginex_mode : disabled, load, run +enginex_load : microcode load (visible only in load mode) +enginex_leds : led mux control (visible only in load mode) + +cd /sys/class/leds/lp5523:channel2/device +echo "load" > engine3_mode +echo "9d80400004ff05ff437f0000" > engine3_load +echo "111111111" > engine3_leds +echo "run" > engine3_mode + +sysfs contains a selftest entry. It measures each channel +voltage level and checks if it looks reasonable. If the level is too high, +the led is missing; if the level is too low, there is a short circuit. + +Selftest uses always the current from the platform data. + +Each channel contains led current settings. +/sys/class/leds/lp5523:channel2/led_current - RW +/sys/class/leds/lp5523:channel2/max_current - RO +Format: 10x mA i.e 10 means 1.0 mA + +Example platform data: + +Note - chan_nr can have values between 0 and 8. + +static struct lp5523_led_config lp5523_led_config[] = { + { + .chan_nr = 0, + .led_current = 50, + .max_current = 130, + }, +... + }, { + .chan_nr = 8, + .led_current = 50, + .max_current = 130, + } +}; + +static int lp5523_setup(void) +{ + /* Setup HW resources */ +} + +static void lp5523_release(void) +{ + /* Release HW resources */ +} + +static void lp5523_enable(bool state) +{ + /* Control chip enable signal */ +} + +static struct lp5523_platform_data lp5523_platform_data = { + .led_config = lp5523_led_config, + .num_channels = ARRAY_SIZE(lp5523_led_config), + .clock_mode = LP5523_CLOCK_EXT, + .setup_resources = lp5523_setup, + .release_resources = lp5523_release, + .enable = lp5523_enable, +}; diff --git a/Documentation/rbtree.txt b/Documentation/rbtree.txt index 221f38be98f4..19f8278c3854 100644 --- a/Documentation/rbtree.txt +++ b/Documentation/rbtree.txt @@ -21,8 +21,8 @@ three rotations, respectively, to balance the tree), with slightly slower To quote Linux Weekly News: There are a number of red-black trees in use in the kernel. - The anticipatory, deadline, and CFQ I/O schedulers all employ - rbtrees to track requests; the packet CD/DVD driver does the same. + The deadline and CFQ I/O schedulers employ rbtrees to + track requests; the packet CD/DVD driver does the same. The high-resolution timer code uses an rbtree to organize outstanding timer requests. The ext3 filesystem tracks directory entries in a red-black tree. Virtual memory areas (VMAs) are tracked with red-black diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index 3894eaa23486..209e1584c3dc 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -28,6 +28,7 @@ show up in /proc/sys/kernel: - core_uses_pid - ctrl-alt-del - dentry-state +- dmesg_restrict - domainname - hostname - hotplug @@ -213,6 +214,19 @@ to decide what to do with it. ============================================================== +dmesg_restrict: + +This toggle indicates whether unprivileged users are prevented from using +dmesg(8) to view messages from the kernel's log buffer. When +dmesg_restrict is set to (0) there are no restrictions. When +dmesg_restrict is set set to (1), users must have CAP_SYS_ADMIN to use +dmesg(8). + +The kernel config option CONFIG_SECURITY_DMESG_RESTRICT sets the default +value of dmesg_restrict. + +============================================================== + domainname & hostname: These files can be used to set the NIS/YP domainname and the diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 54b479c35ee0..51dcd59eda6a 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -116,4 +116,6 @@ endmenu config SH_CLK_CPG bool +source "drivers/sh/Kconfig" + endif diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 46ca4d4abf91..32d9e2816e56 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -565,12 +565,50 @@ static struct platform_device *qhd_devices[] __initdata = { /* FSI */ #define IRQ_FSI evt2irq(0x1840) + +static int fsi_set_rate(int is_porta, int rate) +{ + struct clk *fsib_clk; + struct clk *fdiv_clk = &sh7372_fsidivb_clk; + int ret; + + /* set_rate is not needed if port A */ + if (is_porta) + return 0; + + fsib_clk = clk_get(NULL, "fsib_clk"); + if (IS_ERR(fsib_clk)) + return -EINVAL; + + switch (rate) { + case 48000: + clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 85428000)); + clk_set_rate(fdiv_clk, clk_round_rate(fdiv_clk, 12204000)); + ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64; + break; + default: + pr_err("unsupported rate in FSI2 port B\n"); + ret = -EINVAL; + break; + } + + clk_put(fsib_clk); + + return ret; +} + static struct sh_fsi_platform_info fsi_info = { .porta_flags = SH_FSI_BRS_INV | SH_FSI_OUT_SLAVE_MODE | SH_FSI_IN_SLAVE_MODE | SH_FSI_OFMT(PCM) | SH_FSI_IFMT(PCM), + + .portb_flags = SH_FSI_BRS_INV | + SH_FSI_BRM_INV | + SH_FSI_LRS_INV | + SH_FSI_OFMT(SPDIF), + .set_rate = fsi_set_rate, }; static struct resource fsi_resources[] = { @@ -634,6 +672,7 @@ static struct platform_device lcdc1_device = { static struct sh_mobile_hdmi_info hdmi_info = { .lcd_chan = &sh_mobile_lcdc1_info.ch[0], .lcd_dev = &lcdc1_device.dev, + .flags = HDMI_SND_SRC_SPDIF, }; static struct resource hdmi_resources[] = { @@ -992,6 +1031,7 @@ static void __init ap4evb_map_io(void) #define GPIO_PORT9CR 0xE6051009 #define GPIO_PORT10CR 0xE605100A +#define USCCR1 0xE6058144 static void __init ap4evb_init(void) { u32 srcr4; @@ -1062,7 +1102,7 @@ static void __init ap4evb_init(void) /* setup USB phy */ __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */ - /* enable FSI2 */ + /* enable FSI2 port A (ak4643) */ gpio_request(GPIO_FN_FSIAIBT, NULL); gpio_request(GPIO_FN_FSIAILR, NULL); gpio_request(GPIO_FN_FSIAISLD, NULL); @@ -1079,6 +1119,10 @@ static void __init ap4evb_init(void) gpio_request(GPIO_PORT41, NULL); gpio_direction_input(GPIO_PORT41); + /* setup FSI2 port B (HDMI) */ + gpio_request(GPIO_FN_FSIBCK, NULL); + __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */ + /* set SPU2 clock to 119.6 MHz */ clk = clk_get(NULL, "spu_clk"); if (!IS_ERR(clk)) { diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 8565aefa21fd..7db31e6c6bf2 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -50,6 +50,9 @@ #define SMSTPCR3 0xe615013c #define SMSTPCR4 0xe6150140 +#define FSIDIVA 0xFE1F8000 +#define FSIDIVB 0xFE1F8008 + /* Platforms must set frequency on their DV_CLKI pin */ struct clk sh7372_dv_clki_clk = { }; @@ -288,6 +291,7 @@ struct clk sh7372_pllc2_clk = { .ops = &pllc2_clk_ops, .parent = &extal1_div2_clk, .freq_table = pllc2_freq_table, + .nr_freqs = ARRAY_SIZE(pllc2_freq_table) - 1, .parent_table = pllc2_parent, .parent_num = ARRAY_SIZE(pllc2_parent), }; @@ -417,6 +421,101 @@ static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { fsibckcr_parent, ARRAY_SIZE(fsibckcr_parent), 6, 2), }; +/* FSI DIV */ +static unsigned long fsidiv_recalc(struct clk *clk) +{ + unsigned long value; + + value = __raw_readl(clk->mapping->base); + + if ((value & 0x3) != 0x3) + return 0; + + value >>= 16; + if (value < 2) + return 0; + + return clk->parent->rate / value; +} + +static long fsidiv_round_rate(struct clk *clk, unsigned long rate) +{ + return clk_rate_div_range_round(clk, 2, 0xffff, rate); +} + +static void fsidiv_disable(struct clk *clk) +{ + __raw_writel(0, clk->mapping->base); +} + +static int fsidiv_enable(struct clk *clk) +{ + unsigned long value; + + value = __raw_readl(clk->mapping->base) >> 16; + if (value < 2) { + fsidiv_disable(clk); + return -ENOENT; + } + + __raw_writel((value << 16) | 0x3, clk->mapping->base); + + return 0; +} + +static int fsidiv_set_rate(struct clk *clk, + unsigned long rate, int algo_id) +{ + int idx; + + if (clk->parent->rate == rate) { + fsidiv_disable(clk); + return 0; + } + + idx = (clk->parent->rate / rate) & 0xffff; + if (idx < 2) + return -ENOENT; + + __raw_writel(idx << 16, clk->mapping->base); + return fsidiv_enable(clk); +} + +static struct clk_ops fsidiv_clk_ops = { + .recalc = fsidiv_recalc, + .round_rate = fsidiv_round_rate, + .set_rate = fsidiv_set_rate, + .enable = fsidiv_enable, + .disable = fsidiv_disable, +}; + +static struct clk_mapping sh7372_fsidiva_clk_mapping = { + .phys = FSIDIVA, + .len = 8, +}; + +struct clk sh7372_fsidiva_clk = { + .ops = &fsidiv_clk_ops, + .parent = &div6_reparent_clks[DIV6_FSIA], /* late install */ + .mapping = &sh7372_fsidiva_clk_mapping, +}; + +static struct clk_mapping sh7372_fsidivb_clk_mapping = { + .phys = FSIDIVB, + .len = 8, +}; + +struct clk sh7372_fsidivb_clk = { + .ops = &fsidiv_clk_ops, + .parent = &div6_reparent_clks[DIV6_FSIB], /* late install */ + .mapping = &sh7372_fsidivb_clk_mapping, +}; + +static struct clk *late_main_clks[] = { + &sh7372_fsidiva_clk, + &sh7372_fsidivb_clk, +}; + enum { MSTP001, MSTP131, MSTP130, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, @@ -585,6 +684,9 @@ void __init sh7372_clock_init(void) if (!ret) ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) + ret = clk_register(late_main_clks[k]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); if (!ret) diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h index 5bc6bd444d72..2b1bb9e43dda 100644 --- a/arch/arm/mach-shmobile/include/mach/gpio.h +++ b/arch/arm/mach-shmobile/include/mach/gpio.h @@ -35,12 +35,12 @@ static inline int gpio_cansleep(unsigned gpio) static inline int gpio_to_irq(unsigned gpio) { - return -ENOSYS; + return __gpio_to_irq(gpio); } static inline int irq_to_gpio(unsigned int irq) { - return -EINVAL; + return -ENOSYS; } #endif /* CONFIG_GPIOLIB */ diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index 147775a94bce..e4f9004e7103 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -464,5 +464,7 @@ extern struct clk sh7372_dv_clki_div2_clk; extern struct clk sh7372_pllc2_clk; extern struct clk sh7372_fsiack_clk; extern struct clk sh7372_fsibck_clk; +extern struct clk sh7372_fsidiva_clk; +extern struct clk sh7372_fsidivb_clk; #endif /* __ASM_SH7372_H__ */ diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 5c075f562eba..7f217b3a50a8 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -193,6 +193,7 @@ config CPU_SH2 config CPU_SH2A bool select CPU_SH2 + select UNCACHED_MAPPING config CPU_SH3 bool diff --git a/arch/sh/Makefile b/arch/sh/Makefile index 307b3a4a790b..9c8c6e1a2a15 100644 --- a/arch/sh/Makefile +++ b/arch/sh/Makefile @@ -133,10 +133,7 @@ machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast machdir-$(CONFIG_SH_SH03) += mach-sh03 -machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d -machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh -machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander machdir-$(CONFIG_SH_MIGOR) += mach-migor machdir-$(CONFIG_SH_AP325RXA) += mach-ap325rxa diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig index 9c94711aa6ca..2018c7ea4c93 100644 --- a/arch/sh/boards/Kconfig +++ b/arch/sh/boards/Kconfig @@ -81,13 +81,6 @@ config SH_7343_SOLUTION_ENGINE Select 7343 SolutionEngine if configuring for a Hitachi SH7343 (SH-Mobile 3AS) evaluation board. -config SH_7751_SYSTEMH - bool "SystemH7751R" - depends on CPU_SUBTYPE_SH7751R - help - Select SystemH if you are configuring for a Renesas SystemH - 7751R evaluation board. - config SH_HP6XX bool "HP6XX" select SYS_SUPPORTS_APM_EMULATION diff --git a/arch/sh/boards/Makefile b/arch/sh/boards/Makefile index 38ef655cc0f0..be7d11d04b26 100644 --- a/arch/sh/boards/Makefile +++ b/arch/sh/boards/Makefile @@ -2,10 +2,12 @@ # Specific board support, not covered by a mach group. # obj-$(CONFIG_SH_MAGIC_PANEL_R2) += board-magicpanelr2.o +obj-$(CONFIG_SH_SECUREEDGE5410) += board-secureedge5410.o obj-$(CONFIG_SH_SH2007) += board-sh2007.o obj-$(CONFIG_SH_SH7785LCR) += board-sh7785lcr.o obj-$(CONFIG_SH_URQUELL) += board-urquell.o obj-$(CONFIG_SH_SHMIN) += board-shmin.o +obj-$(CONFIG_SH_EDOSK7705) += board-edosk7705.o obj-$(CONFIG_SH_EDOSK7760) += board-edosk7760.o obj-$(CONFIG_SH_ESPT) += board-espt.o obj-$(CONFIG_SH_POLARIS) += board-polaris.o diff --git a/arch/sh/boards/board-edosk7705.c b/arch/sh/boards/board-edosk7705.c new file mode 100644 index 000000000000..4cb3bb74c36f --- /dev/null +++ b/arch/sh/boards/board-edosk7705.c @@ -0,0 +1,78 @@ +/* + * arch/sh/boards/renesas/edosk7705/setup.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + * Modified for edosk7705 development + * board by S. Dunn, 2003. + */ +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/smc91x.h> +#include <asm/machvec.h> +#include <asm/sizes.h> + +#define SMC_IOBASE 0xA2000000 +#define SMC_IO_OFFSET 0x300 +#define SMC_IOADDR (SMC_IOBASE + SMC_IO_OFFSET) + +#define ETHERNET_IRQ 0x09 + +static void __init sh_edosk7705_init_irq(void) +{ + make_imask_irq(ETHERNET_IRQ); +} + +/* eth initialization functions */ +static struct smc91x_platdata smc91x_info = { + .flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL, +}; + +static struct resource smc91x_res[] = { + [0] = { + .start = SMC_IOADDR, + .end = SMC_IOADDR + SZ_32 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = ETHERNET_IRQ, + .end = ETHERNET_IRQ, + .flags = IORESOURCE_IRQ , + } +}; + +static struct platform_device smc91x_dev = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(smc91x_res), + .resource = smc91x_res, + + .dev = { + .platform_data = &smc91x_info, + }, +}; + +/* platform init code */ +static struct platform_device *edosk7705_devices[] __initdata = { + &smc91x_dev, +}; + +static int __init init_edosk7705_devices(void) +{ + return platform_add_devices(edosk7705_devices, + ARRAY_SIZE(edosk7705_devices)); +} +__initcall(init_edosk7705_devices); + +/* + * The Machine Vector + */ +static struct sh_machine_vector mv_edosk7705 __initmv = { + .mv_name = "EDOSK7705", + .mv_nr_irqs = 80, + .mv_init_irq = sh_edosk7705_init_irq, +}; diff --git a/arch/sh/boards/mach-snapgear/setup.c b/arch/sh/boards/board-secureedge5410.c index 331745dee379..32f875e8493d 100644 --- a/arch/sh/boards/mach-snapgear/setup.c +++ b/arch/sh/boards/board-secureedge5410.c @@ -1,6 +1,4 @@ /* - * linux/arch/sh/boards/snapgear/setup.c - * * Copyright (C) 2002 David McCullough <davidm@snapgear.com> * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> * @@ -19,18 +17,19 @@ #include <linux/module.h> #include <linux/sched.h> #include <asm/machvec.h> -#include <mach/snapgear.h> +#include <mach/secureedge5410.h> #include <asm/irq.h> #include <asm/io.h> #include <cpu/timer.h> +unsigned short secureedge5410_ioport; + /* * EraseConfig handling functions */ - static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) { - (void)__raw_readb(0xb8000000); /* dummy read */ + ctrl_delay(); /* dummy read */ printk("SnapGear: erase switch interrupt!\n"); @@ -39,21 +38,22 @@ static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) static int __init eraseconfig_init(void) { + unsigned int irq = evt2irq(0x240); + printk("SnapGear: EraseConfig init\n"); + /* Setup "EraseConfig" switch on external IRQ 0 */ - if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED, + if (request_irq(irq, eraseconfig_interrupt, IRQF_DISABLED, "Erase Config", NULL)) printk("SnapGear: failed to register IRQ%d for Reset witch\n", - IRL0_IRQ); + irq); else printk("SnapGear: registered EraseConfig switch on IRQ%d\n", - IRL0_IRQ); - return(0); + irq); + return 0; } - module_init(eraseconfig_init); -/****************************************************************************/ /* * Initialize IRQ setting * @@ -62,7 +62,6 @@ module_init(eraseconfig_init); * IRL2 = eth1 * IRL3 = crypto */ - static void __init init_snapgear_IRQ(void) { printk("Setup SnapGear IRQ/IPR ...\n"); @@ -76,20 +75,5 @@ static void __init init_snapgear_IRQ(void) static struct sh_machine_vector mv_snapgear __initmv = { .mv_name = "SnapGear SecureEdge5410", .mv_nr_irqs = 72, - - .mv_inb = snapgear_inb, - .mv_inw = snapgear_inw, - .mv_inl = snapgear_inl, - .mv_outb = snapgear_outb, - .mv_outw = snapgear_outw, - .mv_outl = snapgear_outl, - - .mv_inb_p = snapgear_inb_p, - .mv_inw_p = snapgear_inw, - .mv_inl_p = snapgear_inl, - .mv_outb_p = snapgear_outb_p, - .mv_outw_p = snapgear_outw, - .mv_outl_p = snapgear_outl, - .mv_init_irq = init_snapgear_IRQ, }; diff --git a/arch/sh/boards/mach-edosk7705/Makefile b/arch/sh/boards/mach-edosk7705/Makefile deleted file mode 100644 index cd54acb51499..000000000000 --- a/arch/sh/boards/mach-edosk7705/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the EDOSK7705 specific parts of the kernel -# - -obj-y := setup.o io.o diff --git a/arch/sh/boards/mach-edosk7705/io.c b/arch/sh/boards/mach-edosk7705/io.c deleted file mode 100644 index 5b9c57c43241..000000000000 --- a/arch/sh/boards/mach-edosk7705/io.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * arch/sh/boards/renesas/edosk7705/io.c - * - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routines for Hitachi EDOSK7705 board. - * - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/io.h> -#include <mach/edosk7705.h> -#include <asm/addrspace.h> - -#define SMC_IOADDR 0xA2000000 - -/* Map the Ethernet addresses as if it is at 0x300 - 0x320 */ -static unsigned long sh_edosk7705_isa_port2addr(unsigned long port) -{ - /* - * SMC91C96 registers are 4 byte aligned rather than the - * usual 2 byte! - */ - if (port >= 0x300 && port < 0x320) - return SMC_IOADDR + ((port - 0x300) * 2); - - maybebadio(port); - return port; -} - -/* Trying to read / write bytes on odd-byte boundaries to the Ethernet - * registers causes problems. So we bit-shift the value and read / write - * in 2 byte chunks. Setting the low byte to 0 does not cause problems - * now as odd byte writes are only made on the bit mask / interrupt - * register. This may not be the case in future Mar-2003 SJD - */ -unsigned char sh_edosk7705_inb(unsigned long port) -{ - if (port >= 0x300 && port < 0x320 && port & 0x01) - return __raw_readw(port - 1) >> 8; - - return __raw_readb(sh_edosk7705_isa_port2addr(port)); -} - -void sh_edosk7705_outb(unsigned char value, unsigned long port) -{ - if (port >= 0x300 && port < 0x320 && port & 0x01) { - __raw_writew(((unsigned short)value << 8), port - 1); - return; - } - - __raw_writeb(value, sh_edosk7705_isa_port2addr(port)); -} - -void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count) -{ - unsigned char *p = addr; - - while (count--) - *p++ = sh_edosk7705_inb(port); -} - -void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count) -{ - unsigned char *p = (unsigned char *)addr; - - while (count--) - sh_edosk7705_outb(*p++, port); -} diff --git a/arch/sh/boards/mach-edosk7705/setup.c b/arch/sh/boards/mach-edosk7705/setup.c deleted file mode 100644 index d59225e26fb9..000000000000 --- a/arch/sh/boards/mach-edosk7705/setup.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * arch/sh/boards/renesas/edosk7705/setup.c - * - * Copyright (C) 2000 Kazumoto Kojima - * - * Hitachi SolutionEngine Support. - * - * Modified for edosk7705 development - * board by S. Dunn, 2003. - */ -#include <linux/init.h> -#include <linux/irq.h> -#include <asm/machvec.h> -#include <mach/edosk7705.h> - -static void __init sh_edosk7705_init_irq(void) -{ - /* This is the Ethernet interrupt */ - make_imask_irq(0x09); -} - -/* - * The Machine Vector - */ -static struct sh_machine_vector mv_edosk7705 __initmv = { - .mv_name = "EDOSK7705", - .mv_nr_irqs = 80, - - .mv_inb = sh_edosk7705_inb, - .mv_outb = sh_edosk7705_outb, - - .mv_insb = sh_edosk7705_insb, - .mv_outsb = sh_edosk7705_outsb, - - .mv_init_irq = sh_edosk7705_init_irq, -}; diff --git a/arch/sh/boards/mach-microdev/io.c b/arch/sh/boards/mach-microdev/io.c index 2960c659020e..acdafb0c6404 100644 --- a/arch/sh/boards/mach-microdev/io.c +++ b/arch/sh/boards/mach-microdev/io.c @@ -54,7 +54,7 @@ /* * map I/O ports to memory-mapped addresses */ -static unsigned long microdev_isa_port2addr(unsigned long offset) +void __iomem *microdev_ioport_map(unsigned long offset, unsigned int len) { unsigned long result; @@ -72,16 +72,6 @@ static unsigned long microdev_isa_port2addr(unsigned long offset) * Configuration Registers */ result = IO_SUPERIO_PHYS + (offset << 1); -#if 0 - } else if (offset == KBD_DATA_REG || offset == KBD_CNTL_REG || - offset == KBD_STATUS_REG) { - /* - * SMSC FDC37C93xAPM SuperIO chip - * - * PS/2 Keyboard + Mouse (ports 0x60 and 0x64). - */ - result = IO_SUPERIO_PHYS + (offset << 1); -#endif } else if (((offset >= IO_IDE1_BASE) && (offset < IO_IDE1_BASE + IO_IDE_EXTENT)) || (offset == IO_IDE1_MISC)) { @@ -131,237 +121,5 @@ static unsigned long microdev_isa_port2addr(unsigned long offset) result = PVR; } - return result; -} - -#define PORT2ADDR(x) (microdev_isa_port2addr(x)) - -static inline void delay(void) -{ -#if defined(CONFIG_PCI) - /* System board present, just make a dummy SRAM access. (CS0 will be - mapped to PCI memory, probably good to avoid it.) */ - __raw_readw(0xa6800000); -#else - /* CS0 will be mapped to flash, ROM etc so safe to access it. */ - __raw_readw(0xa0000000); -#endif -} - -unsigned char microdev_inb(unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) - return microdev_pci_inb(port); -#endif - return *(volatile unsigned char*)PORT2ADDR(port); -} - -unsigned short microdev_inw(unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) - return microdev_pci_inw(port); -#endif - return *(volatile unsigned short*)PORT2ADDR(port); -} - -unsigned int microdev_inl(unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) - return microdev_pci_inl(port); -#endif - return *(volatile unsigned int*)PORT2ADDR(port); -} - -void microdev_outw(unsigned short b, unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) { - microdev_pci_outw(b, port); - return; - } -#endif - *(volatile unsigned short*)PORT2ADDR(port) = b; -} - -void microdev_outb(unsigned char b, unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) { - microdev_pci_outb(b, port); - return; - } -#endif - - /* - * There is a board feature with the current SH4-202 MicroDev in - * that the 2 byte enables (nBE0 and nBE1) are tied together (and - * to the Chip Select Line (Ethernet_CS)). Due to this connectivity, - * it is not possible to safely perform 8-bit writes to the - * Ethernet registers, as 16-bits will be consumed from the Data - * lines (corrupting the other byte). Hence, this function is - * written to implement 16-bit read/modify/write for all byte-wide - * accesses. - * - * Note: there is no problem with byte READS (even or odd). - * - * Sean McGoogan - 16th June 2003. - */ - if ((port >= IO_LAN91C111_BASE) && - (port < IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) { - /* - * Then are trying to perform a byte-write to the - * LAN91C111. This needs special care. - */ - if (port % 2 == 1) { /* is the port odd ? */ - /* unset bit-0, i.e. make even */ - const unsigned long evenPort = port-1; - unsigned short word; - - /* - * do a 16-bit read/write to write to 'port', - * preserving even byte. - * - * Even addresses are bits 0-7 - * Odd addresses are bits 8-15 - */ - word = microdev_inw(evenPort); - word = (word & 0xffu) | (b << 8); - microdev_outw(word, evenPort); - } else { - /* else, we are trying to do an even byte write */ - unsigned short word; - - /* - * do a 16-bit read/write to write to 'port', - * preserving odd byte. - * - * Even addresses are bits 0-7 - * Odd addresses are bits 8-15 - */ - word = microdev_inw(port); - word = (word & 0xff00u) | (b); - microdev_outw(word, port); - } - } else { - *(volatile unsigned char*)PORT2ADDR(port) = b; - } -} - -void microdev_outl(unsigned int b, unsigned long port) -{ -#ifdef CONFIG_PCI - if (port >= PCIBIOS_MIN_IO) { - microdev_pci_outl(b, port); - return; - } -#endif - *(volatile unsigned int*)PORT2ADDR(port) = b; -} - -unsigned char microdev_inb_p(unsigned long port) -{ - unsigned char v = microdev_inb(port); - delay(); - return v; -} - -unsigned short microdev_inw_p(unsigned long port) -{ - unsigned short v = microdev_inw(port); - delay(); - return v; -} - -unsigned int microdev_inl_p(unsigned long port) -{ - unsigned int v = microdev_inl(port); - delay(); - return v; -} - -void microdev_outb_p(unsigned char b, unsigned long port) -{ - microdev_outb(b, port); - delay(); -} - -void microdev_outw_p(unsigned short b, unsigned long port) -{ - microdev_outw(b, port); - delay(); -} - -void microdev_outl_p(unsigned int b, unsigned long port) -{ - microdev_outl(b, port); - delay(); -} - -void microdev_insb(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned char *port_addr; - unsigned char *buf = buffer; - - port_addr = (volatile unsigned char *)PORT2ADDR(port); - - while (count--) - *buf++ = *port_addr; -} - -void microdev_insw(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned short *port_addr; - unsigned short *buf = buffer; - - port_addr = (volatile unsigned short *)PORT2ADDR(port); - - while (count--) - *buf++ = *port_addr; -} - -void microdev_insl(unsigned long port, void *buffer, unsigned long count) -{ - volatile unsigned long *port_addr; - unsigned int *buf = buffer; - - port_addr = (volatile unsigned long *)PORT2ADDR(port); - - while (count--) - *buf++ = *port_addr; -} - -void microdev_outsb(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned char *port_addr; - const unsigned char *buf = buffer; - - port_addr = (volatile unsigned char *)PORT2ADDR(port); - - while (count--) - *port_addr = *buf++; -} - -void microdev_outsw(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned short *port_addr; - const unsigned short *buf = buffer; - - port_addr = (volatile unsigned short *)PORT2ADDR(port); - - while (count--) - *port_addr = *buf++; -} - -void microdev_outsl(unsigned long port, const void *buffer, unsigned long count) -{ - volatile unsigned long *port_addr; - const unsigned int *buf = buffer; - - port_addr = (volatile unsigned long *)PORT2ADDR(port); - - while (count--) - *port_addr = *buf++; + return (void __iomem *)result; } diff --git a/arch/sh/boards/mach-microdev/setup.c b/arch/sh/boards/mach-microdev/setup.c index d1df2a4fb9b8..d8a747291e03 100644 --- a/arch/sh/boards/mach-microdev/setup.c +++ b/arch/sh/boards/mach-microdev/setup.c @@ -195,27 +195,6 @@ device_initcall(microdev_devices_setup); static struct sh_machine_vector mv_sh4202_microdev __initmv = { .mv_name = "SH4-202 MicroDev", .mv_nr_irqs = 72, - - .mv_inb = microdev_inb, - .mv_inw = microdev_inw, - .mv_inl = microdev_inl, - .mv_outb = microdev_outb, - .mv_outw = microdev_outw, - .mv_outl = microdev_outl, - - .mv_inb_p = microdev_inb_p, - .mv_inw_p = microdev_inw_p, - .mv_inl_p = microdev_inl_p, - .mv_outb_p = microdev_outb_p, - .mv_outw_p = microdev_outw_p, - .mv_outl_p = microdev_outl_p, - - .mv_insb = microdev_insb, - .mv_insw = microdev_insw, - .mv_insl = microdev_insl, - .mv_outsb = microdev_outsb, - .mv_outsw = microdev_outsw, - .mv_outsl = microdev_outsl, - + .mv_ioport_map = microdev_ioport_map, .mv_init_irq = init_microdev_irq, }; diff --git a/arch/sh/boards/mach-se/7206/Makefile b/arch/sh/boards/mach-se/7206/Makefile index 63e7ed699f39..5c9eaa0535b9 100644 --- a/arch/sh/boards/mach-se/7206/Makefile +++ b/arch/sh/boards/mach-se/7206/Makefile @@ -2,4 +2,4 @@ # Makefile for the 7206 SolutionEngine specific parts of the kernel # -obj-y := setup.o io.o irq.o +obj-y := setup.o irq.o diff --git a/arch/sh/boards/mach-se/7206/io.c b/arch/sh/boards/mach-se/7206/io.c deleted file mode 100644 index adadc77532ee..000000000000 --- a/arch/sh/boards/mach-se/7206/io.c +++ /dev/null @@ -1,104 +0,0 @@ -/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $ - * - * linux/arch/sh/boards/se/7206/io.c - * - * Copyright (C) 2006 Yoshinori Sato - * - * I/O routine for Hitachi 7206 SolutionEngine. - * - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <mach-se/mach/se7206.h> - - -static inline void delay(void) -{ - __raw_readw(0x20000000); /* P2 ROM Area */ -} - -/* MS7750 requires special versions of in*, out* routines, since - PC-like io ports are located at upper half byte of 16-bit word which - can be accessed only with 16-bit wide. */ - -static inline volatile __u16 * -port2adr(unsigned int port) -{ - if (port >= 0x2000 && port < 0x2020) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - else if (port >= 0x300 && port < 0x310) - return (volatile __u16 *) (PA_SMSC + (port - 0x300)); - - return (volatile __u16 *)port; -} - -unsigned char se7206_inb(unsigned long port) -{ - return (*port2adr(port)) & 0xff; -} - -unsigned char se7206_inb_p(unsigned long port) -{ - unsigned long v; - - v = (*port2adr(port)) & 0xff; - delay(); - return v; -} - -unsigned short se7206_inw(unsigned long port) -{ - return *port2adr(port); -} - -void se7206_outb(unsigned char value, unsigned long port) -{ - *(port2adr(port)) = value; -} - -void se7206_outb_p(unsigned char value, unsigned long port) -{ - *(port2adr(port)) = value; - delay(); -} - -void se7206_outw(unsigned short value, unsigned long port) -{ - *port2adr(port) = value; -} - -void se7206_insb(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u8 *ap = addr; - - while (count--) - *ap++ = *p; -} - -void se7206_insw(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u16 *ap = addr; - while (count--) - *ap++ = *p; -} - -void se7206_outsb(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u8 *ap = addr; - - while (count--) - *p = *ap++; -} - -void se7206_outsw(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u16 *ap = addr; - while (count--) - *p = *ap++; -} diff --git a/arch/sh/boards/mach-se/7206/irq.c b/arch/sh/boards/mach-se/7206/irq.c index 883b21eacaa6..d961949600fd 100644 --- a/arch/sh/boards/mach-se/7206/irq.c +++ b/arch/sh/boards/mach-se/7206/irq.c @@ -139,11 +139,13 @@ void __init init_se7206_IRQ(void) make_se7206_irq(IRQ0_IRQ); /* SMC91C111 */ make_se7206_irq(IRQ1_IRQ); /* ATA */ make_se7206_irq(IRQ3_IRQ); /* SLOT / PCM */ - __raw_writew(inw(INTC_ICR1) | 0x000b ,INTC_ICR1 ) ; /* ICR1 */ + + __raw_writew(__raw_readw(INTC_ICR1) | 0x000b, INTC_ICR); /* ICR1 */ /* FPGA System register setup*/ __raw_writew(0x0000,INTSTS0); /* Clear INTSTS0 */ __raw_writew(0x0000,INTSTS1); /* Clear INTSTS1 */ + /* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */ __raw_writew(0x0001,INTSEL); } diff --git a/arch/sh/boards/mach-se/7206/setup.c b/arch/sh/boards/mach-se/7206/setup.c index 8f5c65d43d1d..7f4871c71a01 100644 --- a/arch/sh/boards/mach-se/7206/setup.c +++ b/arch/sh/boards/mach-se/7206/setup.c @@ -86,20 +86,5 @@ __initcall(se7206_devices_setup); static struct sh_machine_vector mv_se __initmv = { .mv_name = "SolutionEngine", .mv_nr_irqs = 256, - .mv_inb = se7206_inb, - .mv_inw = se7206_inw, - .mv_outb = se7206_outb, - .mv_outw = se7206_outw, - - .mv_inb_p = se7206_inb_p, - .mv_inw_p = se7206_inw, - .mv_outb_p = se7206_outb_p, - .mv_outw_p = se7206_outw, - - .mv_insb = se7206_insb, - .mv_insw = se7206_insw, - .mv_outsb = se7206_outsb, - .mv_outsw = se7206_outsw, - .mv_init_irq = init_se7206_IRQ, }; diff --git a/arch/sh/boards/mach-se/770x/Makefile b/arch/sh/boards/mach-se/770x/Makefile index 8e624b06d5ea..43ea14feef51 100644 --- a/arch/sh/boards/mach-se/770x/Makefile +++ b/arch/sh/boards/mach-se/770x/Makefile @@ -2,4 +2,4 @@ # Makefile for the 770x SolutionEngine specific parts of the kernel # -obj-y := setup.o io.o irq.o +obj-y := setup.o irq.o diff --git a/arch/sh/boards/mach-se/770x/io.c b/arch/sh/boards/mach-se/770x/io.c deleted file mode 100644 index 28833c8786ea..000000000000 --- a/arch/sh/boards/mach-se/770x/io.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (C) 2000 Kazumoto Kojima - * - * I/O routine for Hitachi SolutionEngine. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <mach-se/mach/se.h> - -/* MS7750 requires special versions of in*, out* routines, since - PC-like io ports are located at upper half byte of 16-bit word which - can be accessed only with 16-bit wide. */ - -static inline volatile __u16 * -port2adr(unsigned int port) -{ - if (port & 0xff000000) - return ( volatile __u16 *) port; - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - else if (port >= 0x1000) - return (volatile __u16 *) (PA_83902 + (port << 1)); - else - return (volatile __u16 *) (PA_SUPERIO + (port << 1)); -} - -static inline int -shifted_port(unsigned long port) -{ - /* For IDE registers, value is not shifted */ - if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) - return 0; - else - return 1; -} - -unsigned char se_inb(unsigned long port) -{ - if (shifted_port(port)) - return (*port2adr(port) >> 8); - else - return (*port2adr(port))&0xff; -} - -unsigned char se_inb_p(unsigned long port) -{ - unsigned long v; - - if (shifted_port(port)) - v = (*port2adr(port) >> 8); - else - v = (*port2adr(port))&0xff; - ctrl_delay(); - return v; -} - -unsigned short se_inw(unsigned long port) -{ - if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -unsigned int se_inl(unsigned long port) -{ - maybebadio(port); - return 0; -} - -void se_outb(unsigned char value, unsigned long port) -{ - if (shifted_port(port)) - *(port2adr(port)) = value << 8; - else - *(port2adr(port)) = value; -} - -void se_outb_p(unsigned char value, unsigned long port) -{ - if (shifted_port(port)) - *(port2adr(port)) = value << 8; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void se_outw(unsigned short value, unsigned long port) -{ - if (port >= 0x2000) - *port2adr(port) = value; - else - maybebadio(port); -} - -void se_outl(unsigned int value, unsigned long port) -{ - maybebadio(port); -} - -void se_insb(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u8 *ap = addr; - - if (shifted_port(port)) { - while (count--) - *ap++ = *p >> 8; - } else { - while (count--) - *ap++ = *p; - } -} - -void se_insw(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - __u16 *ap = addr; - while (count--) - *ap++ = *p; -} - -void se_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(port); -} - -void se_outsb(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u8 *ap = addr; - - if (shifted_port(port)) { - while (count--) - *p = *ap++ << 8; - } else { - while (count--) - *p = *ap++; - } -} - -void se_outsw(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p = port2adr(port); - const __u16 *ap = addr; - - while (count--) - *p = *ap++; -} - -void se_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(port); -} diff --git a/arch/sh/boards/mach-se/770x/setup.c b/arch/sh/boards/mach-se/770x/setup.c index 66d39d1b0901..31330c65c0ce 100644 --- a/arch/sh/boards/mach-se/770x/setup.c +++ b/arch/sh/boards/mach-se/770x/setup.c @@ -195,27 +195,5 @@ static struct sh_machine_vector mv_se __initmv = { #elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) .mv_nr_irqs = 104, #endif - - .mv_inb = se_inb, - .mv_inw = se_inw, - .mv_inl = se_inl, - .mv_outb = se_outb, - .mv_outw = se_outw, - .mv_outl = se_outl, - - .mv_inb_p = se_inb_p, - .mv_inw_p = se_inw, - .mv_inl_p = se_inl, - .mv_outb_p = se_outb_p, - .mv_outw_p = se_outw, - .mv_outl_p = se_outl, - - .mv_insb = se_insb, - .mv_insw = se_insw, - .mv_insl = se_insl, - .mv_outsb = se_outsb, - .mv_outsw = se_outsw, - .mv_outsl = se_outsl, - .mv_init_irq = init_se_IRQ, }; diff --git a/arch/sh/boards/mach-se/7751/Makefile b/arch/sh/boards/mach-se/7751/Makefile index e6f4341bfe6e..a338fd9d5039 100644 --- a/arch/sh/boards/mach-se/7751/Makefile +++ b/arch/sh/boards/mach-se/7751/Makefile @@ -2,4 +2,4 @@ # Makefile for the 7751 SolutionEngine specific parts of the kernel # -obj-y := setup.o io.o irq.o +obj-y := setup.o irq.o diff --git a/arch/sh/boards/mach-se/7751/io.c b/arch/sh/boards/mach-se/7751/io.c deleted file mode 100644 index 6e75bd4459e5..000000000000 --- a/arch/sh/boards/mach-se/7751/io.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Hitachi 7751 SolutionEngine. - * - * Initial version only to support LAN access; some - * placeholder code from io_se.c left in with the - * expectation of later SuperIO and PCMCIA access. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <asm/io.h> -#include <mach-se/mach/se7751.h> -#include <asm/addrspace.h> - -static inline volatile u16 *port2adr(unsigned int port) -{ - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - maybebadio((unsigned long)port); - return (volatile __u16*)port; -} - -/* - * General outline: remap really low stuff [eventually] to SuperIO, - * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) - * is mapped through the PCI IO window. Stuff with high bits (PXSEG) - * should be way beyond the window, and is used w/o translation for - * compatibility. - */ -unsigned char sh7751se_inb(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned char *)port; - else - return (*port2adr(port)) & 0xff; -} - -unsigned char sh7751se_inb_p(unsigned long port) -{ - unsigned char v; - - if (PXSEG(port)) - v = *(volatile unsigned char *)port; - else - v = (*port2adr(port)) & 0xff; - ctrl_delay(); - return v; -} - -unsigned short sh7751se_inw(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned short *)port; - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -unsigned int sh7751se_inl(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned long *)port; - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -void sh7751se_outb(unsigned char value, unsigned long port) -{ - - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else - *(port2adr(port)) = value; -} - -void sh7751se_outb_p(unsigned char value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void sh7751se_outw(unsigned short value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (port >= 0x2000) - *port2adr(port) = value; - else - maybebadio(port); -} - -void sh7751se_outl(unsigned int value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else - maybebadio(port); -} - -void sh7751se_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(port); -} - -void sh7751se_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(port); -} diff --git a/arch/sh/boards/mach-se/7751/setup.c b/arch/sh/boards/mach-se/7751/setup.c index 50572512e3e8..9fbc51beb181 100644 --- a/arch/sh/boards/mach-se/7751/setup.c +++ b/arch/sh/boards/mach-se/7751/setup.c @@ -56,23 +56,5 @@ __initcall(se7751_devices_setup); static struct sh_machine_vector mv_7751se __initmv = { .mv_name = "7751 SolutionEngine", .mv_nr_irqs = 72, - - .mv_inb = sh7751se_inb, - .mv_inw = sh7751se_inw, - .mv_inl = sh7751se_inl, - .mv_outb = sh7751se_outb, - .mv_outw = sh7751se_outw, - .mv_outl = sh7751se_outl, - - .mv_inb_p = sh7751se_inb_p, - .mv_inw_p = sh7751se_inw, - .mv_inl_p = sh7751se_inl, - .mv_outb_p = sh7751se_outb_p, - .mv_outw_p = sh7751se_outw, - .mv_outl_p = sh7751se_outl, - - .mv_insl = sh7751se_insl, - .mv_outsl = sh7751se_outsl, - .mv_init_irq = init_7751se_IRQ, }; diff --git a/arch/sh/boards/mach-snapgear/Makefile b/arch/sh/boards/mach-snapgear/Makefile deleted file mode 100644 index d2d2f4b6a502..000000000000 --- a/arch/sh/boards/mach-snapgear/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the SnapGear specific parts of the kernel -# - -obj-y := setup.o io.o diff --git a/arch/sh/boards/mach-snapgear/io.c b/arch/sh/boards/mach-snapgear/io.c deleted file mode 100644 index 476650e42dbc..000000000000 --- a/arch/sh/boards/mach-snapgear/io.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (C) 2002 David McCullough <davidm@snapgear.com> - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Hitachi 7751 SolutionEngine. - * - * Initial version only to support LAN access; some - * placeholder code from io_se.c left in with the - * expectation of later SuperIO and PCMCIA access. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <asm/io.h> -#include <asm/addrspace.h> - -#ifdef CONFIG_SH_SECUREEDGE5410 -unsigned short secureedge5410_ioport; -#endif - -static inline volatile __u16 *port2adr(unsigned int port) -{ - maybebadio((unsigned long)port); - return (volatile __u16*)port; -} - -/* - * General outline: remap really low stuff [eventually] to SuperIO, - * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) - * is mapped through the PCI IO window. Stuff with high bits (PXSEG) - * should be way beyond the window, and is used w/o translation for - * compatibility. - */ -unsigned char snapgear_inb(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned char *)port; - else - return (*port2adr(port)) & 0xff; -} - -unsigned char snapgear_inb_p(unsigned long port) -{ - unsigned char v; - - if (PXSEG(port)) - v = *(volatile unsigned char *)port; - else - v = (*port2adr(port))&0xff; - ctrl_delay(); - return v; -} - -unsigned short snapgear_inw(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned short *)port; - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -unsigned int snapgear_inl(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned long *)port; - else if (port >= 0x2000) - return *port2adr(port); - else - maybebadio(port); - return 0; -} - -void snapgear_outb(unsigned char value, unsigned long port) -{ - - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else - *(port2adr(port)) = value; -} - -void snapgear_outb_p(unsigned char value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void snapgear_outw(unsigned short value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (port >= 0x2000) - *port2adr(port) = value; - else - maybebadio(port); -} - -void snapgear_outl(unsigned int value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else - maybebadio(port); -} - -void snapgear_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(port); -} - -void snapgear_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(port); -} diff --git a/arch/sh/boards/mach-systemh/Makefile b/arch/sh/boards/mach-systemh/Makefile deleted file mode 100644 index 2cc6a23d9d39..000000000000 --- a/arch/sh/boards/mach-systemh/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# -# Makefile for the SystemH specific parts of the kernel -# - -obj-y := setup.o irq.o io.o - -# XXX: This wants to be consolidated in arch/sh/drivers/pci, and more -# importantly, with the generic sh7751_pcic_init() code. For now, we'll -# just abuse the hell out of kbuild, because we can.. - -obj-$(CONFIG_PCI) += pci.o -pci-y := ../../se/7751/pci.o - diff --git a/arch/sh/boards/mach-systemh/io.c b/arch/sh/boards/mach-systemh/io.c deleted file mode 100644 index 15577ff1f715..000000000000 --- a/arch/sh/boards/mach-systemh/io.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * linux/arch/sh/boards/renesas/systemh/io.c - * - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Hitachi 7751 Systemh. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <mach/systemh7751.h> -#include <asm/addrspace.h> -#include <asm/io.h> - -#define ETHER_IOMAP(adr) (0xB3000000 + (adr)) /*map to 16bits access area - of smc lan chip*/ -static inline volatile __u16 * -port2adr(unsigned int port) -{ - if (port >= 0x2000) - return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000)); - maybebadio((unsigned long)port); - return (volatile __u16*)port; -} - -/* - * General outline: remap really low stuff [eventually] to SuperIO, - * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) - * is mapped through the PCI IO window. Stuff with high bits (PXSEG) - * should be way beyond the window, and is used w/o translation for - * compatibility. - */ -unsigned char sh7751systemh_inb(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned char *)port; - else if (port <= 0x3F1) - return *(volatile unsigned char *)ETHER_IOMAP(port); - else - return (*port2adr(port))&0xff; -} - -unsigned char sh7751systemh_inb_p(unsigned long port) -{ - unsigned char v; - - if (PXSEG(port)) - v = *(volatile unsigned char *)port; - else if (port <= 0x3F1) - v = *(volatile unsigned char *)ETHER_IOMAP(port); - else - v = (*port2adr(port))&0xff; - ctrl_delay(); - return v; -} - -unsigned short sh7751systemh_inw(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned short *)port; - else if (port >= 0x2000) - return *port2adr(port); - else if (port <= 0x3F1) - return *(volatile unsigned int *)ETHER_IOMAP(port); - else - maybebadio(port); - return 0; -} - -unsigned int sh7751systemh_inl(unsigned long port) -{ - if (PXSEG(port)) - return *(volatile unsigned long *)port; - else if (port >= 0x2000) - return *port2adr(port); - else if (port <= 0x3F1) - return *(volatile unsigned int *)ETHER_IOMAP(port); - else - maybebadio(port); - return 0; -} - -void sh7751systemh_outb(unsigned char value, unsigned long port) -{ - - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else if (port <= 0x3F1) - *(volatile unsigned char *)ETHER_IOMAP(port) = value; - else - *(port2adr(port)) = value; -} - -void sh7751systemh_outb_p(unsigned char value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else if (port <= 0x3F1) - *(volatile unsigned char *)ETHER_IOMAP(port) = value; - else - *(port2adr(port)) = value; - ctrl_delay(); -} - -void sh7751systemh_outw(unsigned short value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (port >= 0x2000) - *port2adr(port) = value; - else if (port <= 0x3F1) - *(volatile unsigned short *)ETHER_IOMAP(port) = value; - else - maybebadio(port); -} - -void sh7751systemh_outl(unsigned int value, unsigned long port) -{ - if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else - maybebadio(port); -} - -void sh7751systemh_insb(unsigned long port, void *addr, unsigned long count) -{ - unsigned char *p = addr; - while (count--) *p++ = sh7751systemh_inb(port); -} - -void sh7751systemh_insw(unsigned long port, void *addr, unsigned long count) -{ - unsigned short *p = addr; - while (count--) *p++ = sh7751systemh_inw(port); -} - -void sh7751systemh_insl(unsigned long port, void *addr, unsigned long count) -{ - maybebadio(port); -} - -void sh7751systemh_outsb(unsigned long port, const void *addr, unsigned long count) -{ - unsigned char *p = (unsigned char*)addr; - while (count--) sh7751systemh_outb(*p++, port); -} - -void sh7751systemh_outsw(unsigned long port, const void *addr, unsigned long count) -{ - unsigned short *p = (unsigned short*)addr; - while (count--) sh7751systemh_outw(*p++, port); -} - -void sh7751systemh_outsl(unsigned long port, const void *addr, unsigned long count) -{ - maybebadio(port); -} diff --git a/arch/sh/boards/mach-systemh/irq.c b/arch/sh/boards/mach-systemh/irq.c deleted file mode 100644 index e5ee13adeff4..000000000000 --- a/arch/sh/boards/mach-systemh/irq.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * linux/arch/sh/boards/renesas/systemh/irq.c - * - * Copyright (C) 2000 Kazumoto Kojima - * - * Hitachi SystemH Support. - * - * Modified for 7751 SystemH by - * Jonathan Short. - */ - -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/io.h> - -#include <mach/systemh7751.h> -#include <asm/smc37c93x.h> - -/* address of external interrupt mask register - * address must be set prior to use these (maybe in init_XXX_irq()) - * XXX : is it better to use .config than specifying it in code? */ -static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004; -static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000; - -static void disable_systemh_irq(struct irq_data *data) -{ - unsigned long val, mask = 0x01 << 1; - - /* Clear the "irq"th bit in the mask and set it in the request */ - val = __raw_readl((unsigned long)systemh_irq_mask_register); - val &= ~mask; - __raw_writel(val, (unsigned long)systemh_irq_mask_register); - - val = __raw_readl((unsigned long)systemh_irq_request_register); - val |= mask; - __raw_writel(val, (unsigned long)systemh_irq_request_register); -} - -static void enable_systemh_irq(struct irq_data *data) -{ - unsigned long val, mask = 0x01 << 1; - - /* Set "irq"th bit in the mask register */ - val = __raw_readl((unsigned long)systemh_irq_mask_register); - val |= mask; - __raw_writel(val, (unsigned long)systemh_irq_mask_register); -} - -static struct irq_chip systemh_irq_type = { - .name = "SystemH Register", - .irq_unmask = enable_systemh_irq, - .irq_mask = disable_systemh_irq, -}; - -void make_systemh_irq(unsigned int irq) -{ - disable_irq_nosync(irq); - set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq); - disable_systemh_irq(irq_get_irq_data(irq)); -} diff --git a/arch/sh/boards/mach-systemh/setup.c b/arch/sh/boards/mach-systemh/setup.c deleted file mode 100644 index 219fd800a43f..000000000000 --- a/arch/sh/boards/mach-systemh/setup.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * linux/arch/sh/boards/renesas/systemh/setup.c - * - * Copyright (C) 2000 Kazumoto Kojima - * Copyright (C) 2003 Paul Mundt - * - * Hitachi SystemH Support. - * - * Modified for 7751 SystemH by Jonathan Short. - * - * Rewritten for 2.6 by Paul Mundt. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/init.h> -#include <asm/machvec.h> -#include <mach/systemh7751.h> - -extern void make_systemh_irq(unsigned int irq); - -/* - * Initialize IRQ setting - */ -static void __init sh7751systemh_init_irq(void) -{ - make_systemh_irq(0xb); /* Ethernet interrupt */ -} - -static struct sh_machine_vector mv_7751systemh __initmv = { - .mv_name = "7751 SystemH", - .mv_nr_irqs = 72, - - .mv_inb = sh7751systemh_inb, - .mv_inw = sh7751systemh_inw, - .mv_inl = sh7751systemh_inl, - .mv_outb = sh7751systemh_outb, - .mv_outw = sh7751systemh_outw, - .mv_outl = sh7751systemh_outl, - - .mv_inb_p = sh7751systemh_inb_p, - .mv_inw_p = sh7751systemh_inw, - .mv_inl_p = sh7751systemh_inl, - .mv_outb_p = sh7751systemh_outb_p, - .mv_outw_p = sh7751systemh_outw, - .mv_outl_p = sh7751systemh_outl, - - .mv_insb = sh7751systemh_insb, - .mv_insw = sh7751systemh_insw, - .mv_insl = sh7751systemh_insl, - .mv_outsb = sh7751systemh_outsb, - .mv_outsw = sh7751systemh_outsw, - .mv_outsl = sh7751systemh_outsl, - - .mv_init_irq = sh7751systemh_init_irq, -}; diff --git a/arch/sh/configs/snapgear_defconfig b/arch/sh/configs/secureedge5410_defconfig index 7eae4e59d7f0..7eae4e59d7f0 100644 --- a/arch/sh/configs/snapgear_defconfig +++ b/arch/sh/configs/secureedge5410_defconfig diff --git a/arch/sh/configs/systemh_defconfig b/arch/sh/configs/systemh_defconfig deleted file mode 100644 index b58dfc505efe..000000000000 --- a/arch/sh/configs/systemh_defconfig +++ /dev/null @@ -1,28 +0,0 @@ -CONFIG_EXPERIMENTAL=y -CONFIG_LOG_BUF_SHIFT=14 -CONFIG_BLK_DEV_INITRD=y -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -# CONFIG_SYSCTL_SYSCALL is not set -# CONFIG_HOTPLUG is not set -CONFIG_SLAB=y -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -# CONFIG_BLK_DEV_BSG is not set -CONFIG_CPU_SUBTYPE_SH7751R=y -CONFIG_MEMORY_START=0x0c000000 -CONFIG_MEMORY_SIZE=0x00400000 -CONFIG_FLATMEM_MANUAL=y -CONFIG_SH_7751_SYSTEMH=y -CONFIG_PREEMPT=y -# CONFIG_STANDALONE is not set -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=1024 -# CONFIG_INPUT is not set -# CONFIG_SERIO_SERPORT is not set -# CONFIG_VT is not set -CONFIG_HW_RANDOM=y -CONFIG_PROC_KCORE=y -CONFIG_TMPFS=y -CONFIG_CRAMFS=y -CONFIG_ROMFS_FS=y -# CONFIG_RCU_CPU_STALL_DETECTOR is not set diff --git a/arch/sh/include/asm/addrspace.h b/arch/sh/include/asm/addrspace.h index 446b3831c214..3d1ae2bfaa6f 100644 --- a/arch/sh/include/asm/addrspace.h +++ b/arch/sh/include/asm/addrspace.h @@ -44,10 +44,10 @@ /* * These will never work in 32-bit, don't even bother. */ -#define P1SEGADDR(a) __futile_remapping_attempt -#define P2SEGADDR(a) __futile_remapping_attempt -#define P3SEGADDR(a) __futile_remapping_attempt -#define P4SEGADDR(a) __futile_remapping_attempt +#define P1SEGADDR(a) ({ (void)(a); BUG(); NULL; }) +#define P2SEGADDR(a) ({ (void)(a); BUG(); NULL; }) +#define P3SEGADDR(a) ({ (void)(a); BUG(); NULL; }) +#define P4SEGADDR(a) ({ (void)(a); BUG(); NULL; }) #endif #endif /* P1SEG */ diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index a15f1058bbf4..083ea068e819 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -66,7 +66,6 @@ static inline unsigned long long neff_sign_extend(unsigned long val) #define PHYS_ADDR_MASK29 0x1fffffff #define PHYS_ADDR_MASK32 0xffffffff -#ifdef CONFIG_PMB static inline unsigned long phys_addr_mask(void) { /* Is the MMU in 29bit mode? */ @@ -75,17 +74,6 @@ static inline unsigned long phys_addr_mask(void) return PHYS_ADDR_MASK32; } -#elif defined(CONFIG_32BIT) -static inline unsigned long phys_addr_mask(void) -{ - return PHYS_ADDR_MASK32; -} -#else -static inline unsigned long phys_addr_mask(void) -{ - return PHYS_ADDR_MASK29; -} -#endif #define PTE_PHYS_MASK (phys_addr_mask() & PAGE_MASK) #define PTE_FLAGS_MASK (~(PTE_PHYS_MASK) << PAGE_SHIFT) diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h index 1f1af5afff03..10c8b1823a18 100644 --- a/arch/sh/include/asm/system.h +++ b/arch/sh/include/asm/system.h @@ -10,6 +10,7 @@ #include <linux/compiler.h> #include <linux/linkage.h> #include <asm/types.h> +#include <asm/uncached.h> #define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */ @@ -137,9 +138,6 @@ extern unsigned int instruction_size(unsigned int insn); #define instruction_size(insn) (4) #endif -extern unsigned long cached_to_uncached; -extern unsigned long uncached_size; - void per_cpu_trap_init(void); void default_idle(void); void cpu_idle_wait(void); diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h index c941b2739405..a4ad1cd9bc4d 100644 --- a/arch/sh/include/asm/system_32.h +++ b/arch/sh/include/asm/system_32.h @@ -145,42 +145,6 @@ do { \ __restore_dsp(prev); \ } while (0) -/* - * Jump to uncached area. - * When handling TLB or caches, we need to do it from an uncached area. - */ -#define jump_to_uncached() \ -do { \ - unsigned long __dummy; \ - \ - __asm__ __volatile__( \ - "mova 1f, %0\n\t" \ - "add %1, %0\n\t" \ - "jmp @%0\n\t" \ - " nop\n\t" \ - ".balign 4\n" \ - "1:" \ - : "=&z" (__dummy) \ - : "r" (cached_to_uncached)); \ -} while (0) - -/* - * Back to cached area. - */ -#define back_to_cached() \ -do { \ - unsigned long __dummy; \ - ctrl_barrier(); \ - __asm__ __volatile__( \ - "mov.l 1f, %0\n\t" \ - "jmp @%0\n\t" \ - " nop\n\t" \ - ".balign 4\n" \ - "1: .long 2f\n" \ - "2:" \ - : "=&r" (__dummy)); \ -} while (0) - #ifdef CONFIG_CPU_HAS_SR_RB #define lookup_exception_vector() \ ({ \ diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h index 36338646dfc8..8593bc8d1a4e 100644 --- a/arch/sh/include/asm/system_64.h +++ b/arch/sh/include/asm/system_64.h @@ -34,9 +34,6 @@ do { \ &next->thread); \ } while (0) -#define jump_to_uncached() do { } while (0) -#define back_to_cached() do { } while (0) - #define __icbi(addr) __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr)) #define __ocbp(addr) __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr)) #define __ocbi(addr) __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr)) diff --git a/arch/sh/include/asm/uncached.h b/arch/sh/include/asm/uncached.h index e3419f96626a..6f8816b79cf1 100644 --- a/arch/sh/include/asm/uncached.h +++ b/arch/sh/include/asm/uncached.h @@ -4,15 +4,55 @@ #include <linux/bug.h> #ifdef CONFIG_UNCACHED_MAPPING +extern unsigned long cached_to_uncached; +extern unsigned long uncached_size; extern unsigned long uncached_start, uncached_end; extern int virt_addr_uncached(unsigned long kaddr); extern void uncached_init(void); extern void uncached_resize(unsigned long size); + +/* + * Jump to uncached area. + * When handling TLB or caches, we need to do it from an uncached area. + */ +#define jump_to_uncached() \ +do { \ + unsigned long __dummy; \ + \ + __asm__ __volatile__( \ + "mova 1f, %0\n\t" \ + "add %1, %0\n\t" \ + "jmp @%0\n\t" \ + " nop\n\t" \ + ".balign 4\n" \ + "1:" \ + : "=&z" (__dummy) \ + : "r" (cached_to_uncached)); \ +} while (0) + +/* + * Back to cached area. + */ +#define back_to_cached() \ +do { \ + unsigned long __dummy; \ + ctrl_barrier(); \ + __asm__ __volatile__( \ + "mov.l 1f, %0\n\t" \ + "jmp @%0\n\t" \ + " nop\n\t" \ + ".balign 4\n" \ + "1: .long 2f\n" \ + "2:" \ + : "=&r" (__dummy)); \ +} while (0) #else #define virt_addr_uncached(kaddr) (0) #define uncached_init() do { } while (0) #define uncached_resize(size) BUG() +#define jump_to_uncached() do { } while (0) +#define back_to_cached() do { } while (0) #endif #endif /* __ASM_SH_UNCACHED_H */ diff --git a/arch/sh/include/mach-common/mach/edosk7705.h b/arch/sh/include/mach-common/mach/edosk7705.h deleted file mode 100644 index efc43b323466..000000000000 --- a/arch/sh/include/mach-common/mach/edosk7705.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __ASM_SH_EDOSK7705_H -#define __ASM_SH_EDOSK7705_H - -#define __IO_PREFIX sh_edosk7705 -#include <asm/io_generic.h> - -#endif /* __ASM_SH_EDOSK7705_H */ diff --git a/arch/sh/include/mach-common/mach/microdev.h b/arch/sh/include/mach-common/mach/microdev.h index 1aed15856e11..dcb05fa8c164 100644 --- a/arch/sh/include/mach-common/mach/microdev.h +++ b/arch/sh/include/mach-common/mach/microdev.h @@ -68,13 +68,4 @@ extern void microdev_print_fpga_intc_status(void); #define __IO_PREFIX microdev #include <asm/io_generic.h> -#if defined(CONFIG_PCI) -unsigned char microdev_pci_inb(unsigned long port); -unsigned short microdev_pci_inw(unsigned long port); -unsigned long microdev_pci_inl(unsigned long port); -void microdev_pci_outb(unsigned char data, unsigned long port); -void microdev_pci_outw(unsigned short data, unsigned long port); -void microdev_pci_outl(unsigned long data, unsigned long port); -#endif - #endif /* __ASM_SH_MICRODEV_H */ diff --git a/arch/sh/include/mach-common/mach/snapgear.h b/arch/sh/include/mach-common/mach/secureedge5410.h index 042d95f51c4d..3653b9a4bacc 100644 --- a/arch/sh/include/mach-common/mach/snapgear.h +++ b/arch/sh/include/mach-common/mach/secureedge5410.h @@ -12,30 +12,9 @@ #ifndef _ASM_SH_IO_SNAPGEAR_H #define _ASM_SH_IO_SNAPGEAR_H -#if defined(CONFIG_CPU_SH4) -/* - * The external interrupt lines, these take up ints 0 - 15 inclusive - * depending on the priority for the interrupt. In fact the priority - * is the interrupt :-) - */ - -#define IRL0_IRQ 2 -#define IRL0_PRIORITY 13 - -#define IRL1_IRQ 5 -#define IRL1_PRIORITY 10 - -#define IRL2_IRQ 8 -#define IRL2_PRIORITY 7 - -#define IRL3_IRQ 11 -#define IRL3_PRIORITY 4 -#endif - #define __IO_PREFIX snapgear #include <asm/io_generic.h> -#ifdef CONFIG_SH_SECUREEDGE5410 /* * We need to remember what was written to the ioport as some bits * are shared with other functions and you cannot read back what was @@ -66,6 +45,5 @@ extern unsigned short secureedge5410_ioport; ((secureedge5410_ioport & ~(mask)) | ((val) & (mask))))) #define SECUREEDGE_READ_IOPORT() \ ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817)) -#endif #endif /* _ASM_SH_IO_SNAPGEAR_H */ diff --git a/arch/sh/include/mach-common/mach/systemh7751.h b/arch/sh/include/mach-common/mach/systemh7751.h deleted file mode 100644 index 4161122c84ef..000000000000 --- a/arch/sh/include/mach-common/mach/systemh7751.h +++ /dev/null @@ -1,71 +0,0 @@ -#ifndef __ASM_SH_SYSTEMH_7751SYSTEMH_H -#define __ASM_SH_SYSTEMH_7751SYSTEMH_H - -/* - * linux/include/asm-sh/systemh/7751systemh.h - * - * Copyright (C) 2000 Kazumoto Kojima - * - * Hitachi SystemH support - - * Modified for 7751 SystemH by - * Jonathan Short, 2002. - */ - -/* Box specific addresses. */ - -#define PA_ROM 0x00000000 /* EPROM */ -#define PA_ROM_SIZE 0x00400000 /* EPROM size 4M byte */ -#define PA_FROM 0x01000000 /* EPROM */ -#define PA_FROM_SIZE 0x00400000 /* EPROM size 4M byte */ -#define PA_EXT1 0x04000000 -#define PA_EXT1_SIZE 0x04000000 -#define PA_EXT2 0x08000000 -#define PA_EXT2_SIZE 0x04000000 -#define PA_SDRAM 0x0c000000 -#define PA_SDRAM_SIZE 0x04000000 - -#define PA_EXT4 0x12000000 -#define PA_EXT4_SIZE 0x02000000 -#define PA_EXT5 0x14000000 -#define PA_EXT5_SIZE 0x04000000 -#define PA_PCIC 0x18000000 /* MR-SHPC-01 PCMCIA */ - -#define PA_DIPSW0 0xb9000000 /* Dip switch 5,6 */ -#define PA_DIPSW1 0xb9000002 /* Dip switch 7,8 */ -#define PA_LED 0xba000000 /* LED */ -#define PA_BCR 0xbb000000 /* FPGA on the MS7751SE01 */ - -#define PA_MRSHPC 0xb83fffe0 /* MR-SHPC-01 PCMCIA controller */ -#define PA_MRSHPC_MW1 0xb8400000 /* MR-SHPC-01 memory window base */ -#define PA_MRSHPC_MW2 0xb8500000 /* MR-SHPC-01 attribute window base */ -#define PA_MRSHPC_IO 0xb8600000 /* MR-SHPC-01 I/O window base */ -#define MRSHPC_MODE (PA_MRSHPC + 4) -#define MRSHPC_OPTION (PA_MRSHPC + 6) -#define MRSHPC_CSR (PA_MRSHPC + 8) -#define MRSHPC_ISR (PA_MRSHPC + 10) -#define MRSHPC_ICR (PA_MRSHPC + 12) -#define MRSHPC_CPWCR (PA_MRSHPC + 14) -#define MRSHPC_MW0CR1 (PA_MRSHPC + 16) -#define MRSHPC_MW1CR1 (PA_MRSHPC + 18) -#define MRSHPC_IOWCR1 (PA_MRSHPC + 20) -#define MRSHPC_MW0CR2 (PA_MRSHPC + 22) -#define MRSHPC_MW1CR2 (PA_MRSHPC + 24) -#define MRSHPC_IOWCR2 (PA_MRSHPC + 26) -#define MRSHPC_CDCR (PA_MRSHPC + 28) -#define MRSHPC_PCIC_INFO (PA_MRSHPC + 30) - -#define BCR_ILCRA (PA_BCR + 0) -#define BCR_ILCRB (PA_BCR + 2) -#define BCR_ILCRC (PA_BCR + 4) -#define BCR_ILCRD (PA_BCR + 6) -#define BCR_ILCRE (PA_BCR + 8) -#define BCR_ILCRF (PA_BCR + 10) -#define BCR_ILCRG (PA_BCR + 12) - -#define IRQ_79C973 13 - -#define __IO_PREFIX sh7751systemh -#include <asm/io_generic.h> - -#endif /* __ASM_SH_SYSTEMH_7751SYSTEMH_H */ diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c index 2d9700c6b53a..0fe2e9329cb2 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c @@ -48,7 +48,7 @@ static struct clk r_clk = { * Default rate for the root input clock, reset this with clk_set_rate() * from the platform code. */ -struct clk extal_clk = { +static struct clk extal_clk = { .rate = 33333333, }; @@ -111,7 +111,7 @@ static struct clk div3_clk = { .parent = &pll_clk, }; -struct clk *main_clks[] = { +static struct clk *main_clks[] = { &r_clk, &extal_clk, &fll_clk, @@ -156,7 +156,7 @@ struct clk div4_clks[DIV4_NR] = { enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR }; -struct clk div6_clks[DIV6_NR] = { +static struct clk div6_clks[DIV6_NR] = { [DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0), [DIV6_FA] = SH_CLK_DIV6(&div3_clk, FCLKACR, 0), [DIV6_FB] = SH_CLK_DIV6(&div3_clk, FCLKBCR, 0), diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 09370392aff1..c3e61b366493 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -79,7 +79,7 @@ config 29BIT config 32BIT bool - default y if CPU_SH5 + default y if CPU_SH5 || !MMU config PMB bool "Support 32-bit physical addressing through PMB" diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 038793286990..40733a952402 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -79,21 +79,20 @@ void dma_generic_free_coherent(struct device *dev, size_t size, void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { -#if defined(CONFIG_CPU_SH5) || defined(CONFIG_PMB) - void *p1addr = vaddr; -#else - void *p1addr = (void*) P1SEGADDR((unsigned long)vaddr); -#endif + void *addr; + + addr = __in_29bit_mode() ? + (void *)P1SEGADDR((unsigned long)vaddr) : vaddr; switch (direction) { case DMA_FROM_DEVICE: /* invalidate only */ - __flush_invalidate_region(p1addr, size); + __flush_invalidate_region(addr, size); break; case DMA_TO_DEVICE: /* writeback only */ - __flush_wback_region(p1addr, size); + __flush_wback_region(addr, size); break; case DMA_BIDIRECTIONAL: /* writeback and invalidate */ - __flush_purge_region(p1addr, size); + __flush_purge_region(addr, size); break; default: BUG(); diff --git a/arch/sh/mm/uncached.c b/arch/sh/mm/uncached.c index 8a4eca551fc0..a7767da815e9 100644 --- a/arch/sh/mm/uncached.c +++ b/arch/sh/mm/uncached.c @@ -28,7 +28,7 @@ EXPORT_SYMBOL(virt_addr_uncached); void __init uncached_init(void) { -#ifdef CONFIG_29BIT +#if defined(CONFIG_29BIT) || !defined(CONFIG_MMU) uncached_start = P2SEG; #else uncached_start = memory_end; diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types index 9f56eb978024..0e68465e7b50 100644 --- a/arch/sh/tools/mach-types +++ b/arch/sh/tools/mach-types @@ -26,7 +26,6 @@ HD64461 HD64461 7724SE SH_7724_SOLUTION_ENGINE 7751SE SH_7751_SOLUTION_ENGINE 7780SE SH_7780_SOLUTION_ENGINE -7751SYSTEMH SH_7751_SYSTEMH HP6XX SH_HP6XX DREAMCAST SH_DREAMCAST SNAPGEAR SH_SECUREEDGE5410 diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h index 2cd899f75a3c..b7c5bab9bd77 100644 --- a/arch/um/include/asm/ptrace-generic.h +++ b/arch/um/include/asm/ptrace-generic.h @@ -38,8 +38,8 @@ struct pt_regs { struct task_struct; -extern long subarch_ptrace(struct task_struct *child, long request, long addr, - long data); +extern long subarch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data); extern unsigned long getreg(struct task_struct *child, int regno); extern int putreg(struct task_struct *child, int regno, unsigned long value); extern int get_fpregs(struct user_i387_struct __user *buf, diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index a5e33f29bbeb..701b672c1122 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -122,7 +122,7 @@ long arch_ptrace(struct task_struct *child, long request, break; case PTRACE_SET_THREAD_AREA: - ret = ptrace_set_thread_area(child, addr, datavp); + ret = ptrace_set_thread_area(child, addr, vp); break; case PTRACE_FAULTINFO: { diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 286de34b0ed6..f6ce0bda3b98 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -141,13 +141,13 @@ static inline void native_apic_msr_write(u32 reg, u32 v) static inline u32 native_apic_msr_read(u32 reg) { - u32 low, high; + u64 msr; if (reg == APIC_DFR) return -1; - rdmsr(APIC_BASE_MSR + (reg >> 4), low, high); - return low; + rdmsrl(APIC_BASE_MSR + (reg >> 4), msr); + return (u32)msr; } static inline void native_x2apic_wait_icr_idle(void) @@ -181,12 +181,12 @@ extern void enable_x2apic(void); extern void x2apic_icr_write(u32 low, u32 id); static inline int x2apic_enabled(void) { - int msr, msr2; + u64 msr; if (!cpu_has_x2apic) return 0; - rdmsr(MSR_IA32_APICBASE, msr, msr2); + rdmsrl(MSR_IA32_APICBASE, msr); if (msr & X2APIC_ENABLE) return 1; return 0; diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h index b2f2d2e05cec..6d90adf4428a 100644 --- a/arch/x86/include/asm/uv/uv_mmrs.h +++ b/arch/x86/include/asm/uv/uv_mmrs.h @@ -806,6 +806,78 @@ union uvh_node_present_table_u { }; /* ========================================================================= */ +/* UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR */ +/* ========================================================================= */ +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR 0x16000c8UL + +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_BASE_SHFT 24 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_BASE_MASK 0x00000000ff000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_M_ALIAS_SHFT 48 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_M_ALIAS_MASK 0x001f000000000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_ENABLE_SHFT 63 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_ENABLE_MASK 0x8000000000000000UL + +union uvh_rh_gam_alias210_overlay_config_0_mmr_u { + unsigned long v; + struct uvh_rh_gam_alias210_overlay_config_0_mmr_s { + unsigned long rsvd_0_23: 24; /* */ + unsigned long base : 8; /* RW */ + unsigned long rsvd_32_47: 16; /* */ + unsigned long m_alias : 5; /* RW */ + unsigned long rsvd_53_62: 10; /* */ + unsigned long enable : 1; /* RW */ + } s; +}; + +/* ========================================================================= */ +/* UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR */ +/* ========================================================================= */ +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR 0x16000d8UL + +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_BASE_SHFT 24 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_BASE_MASK 0x00000000ff000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_M_ALIAS_SHFT 48 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_M_ALIAS_MASK 0x001f000000000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_ENABLE_SHFT 63 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_ENABLE_MASK 0x8000000000000000UL + +union uvh_rh_gam_alias210_overlay_config_1_mmr_u { + unsigned long v; + struct uvh_rh_gam_alias210_overlay_config_1_mmr_s { + unsigned long rsvd_0_23: 24; /* */ + unsigned long base : 8; /* RW */ + unsigned long rsvd_32_47: 16; /* */ + unsigned long m_alias : 5; /* RW */ + unsigned long rsvd_53_62: 10; /* */ + unsigned long enable : 1; /* RW */ + } s; +}; + +/* ========================================================================= */ +/* UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR */ +/* ========================================================================= */ +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR 0x16000e8UL + +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_BASE_SHFT 24 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_BASE_MASK 0x00000000ff000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_M_ALIAS_SHFT 48 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_M_ALIAS_MASK 0x001f000000000000UL +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_ENABLE_SHFT 63 +#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_ENABLE_MASK 0x8000000000000000UL + +union uvh_rh_gam_alias210_overlay_config_2_mmr_u { + unsigned long v; + struct uvh_rh_gam_alias210_overlay_config_2_mmr_s { + unsigned long rsvd_0_23: 24; /* */ + unsigned long base : 8; /* RW */ + unsigned long rsvd_32_47: 16; /* */ + unsigned long m_alias : 5; /* RW */ + unsigned long rsvd_53_62: 10; /* */ + unsigned long enable : 1; /* RW */ + } s; +}; + +/* ========================================================================= */ /* UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR */ /* ========================================================================= */ #define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR 0x16000d0UL @@ -857,6 +929,29 @@ union uvh_rh_gam_alias210_redirect_config_2_mmr_u { }; /* ========================================================================= */ +/* UVH_RH_GAM_CONFIG_MMR */ +/* ========================================================================= */ +#define UVH_RH_GAM_CONFIG_MMR 0x1600000UL + +#define UVH_RH_GAM_CONFIG_MMR_M_SKT_SHFT 0 +#define UVH_RH_GAM_CONFIG_MMR_M_SKT_MASK 0x000000000000003fUL +#define UVH_RH_GAM_CONFIG_MMR_N_SKT_SHFT 6 +#define UVH_RH_GAM_CONFIG_MMR_N_SKT_MASK 0x00000000000003c0UL +#define UVH_RH_GAM_CONFIG_MMR_MMIOL_CFG_SHFT 12 +#define UVH_RH_GAM_CONFIG_MMR_MMIOL_CFG_MASK 0x0000000000001000UL + +union uvh_rh_gam_config_mmr_u { + unsigned long v; + struct uvh_rh_gam_config_mmr_s { + unsigned long m_skt : 6; /* RW */ + unsigned long n_skt : 4; /* RW */ + unsigned long rsvd_10_11: 2; /* */ + unsigned long mmiol_cfg : 1; /* RW */ + unsigned long rsvd_13_63: 51; /* */ + } s; +}; + +/* ========================================================================= */ /* UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR */ /* ========================================================================= */ #define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR 0x1600010UL @@ -987,97 +1082,5 @@ union uvh_rtc1_int_config_u { } s; }; -/* ========================================================================= */ -/* UVH_SI_ADDR_MAP_CONFIG */ -/* ========================================================================= */ -#define UVH_SI_ADDR_MAP_CONFIG 0xc80000UL - -#define UVH_SI_ADDR_MAP_CONFIG_M_SKT_SHFT 0 -#define UVH_SI_ADDR_MAP_CONFIG_M_SKT_MASK 0x000000000000003fUL -#define UVH_SI_ADDR_MAP_CONFIG_N_SKT_SHFT 8 -#define UVH_SI_ADDR_MAP_CONFIG_N_SKT_MASK 0x0000000000000f00UL - -union uvh_si_addr_map_config_u { - unsigned long v; - struct uvh_si_addr_map_config_s { - unsigned long m_skt : 6; /* RW */ - unsigned long rsvd_6_7: 2; /* */ - unsigned long n_skt : 4; /* RW */ - unsigned long rsvd_12_63: 52; /* */ - } s; -}; - -/* ========================================================================= */ -/* UVH_SI_ALIAS0_OVERLAY_CONFIG */ -/* ========================================================================= */ -#define UVH_SI_ALIAS0_OVERLAY_CONFIG 0xc80008UL - -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_BASE_SHFT 24 -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_M_ALIAS_SHFT 48 -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_ENABLE_SHFT 63 -#define UVH_SI_ALIAS0_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL - -union uvh_si_alias0_overlay_config_u { - unsigned long v; - struct uvh_si_alias0_overlay_config_s { - unsigned long rsvd_0_23: 24; /* */ - unsigned long base : 8; /* RW */ - unsigned long rsvd_32_47: 16; /* */ - unsigned long m_alias : 5; /* RW */ - unsigned long rsvd_53_62: 10; /* */ - unsigned long enable : 1; /* RW */ - } s; -}; - -/* ========================================================================= */ -/* UVH_SI_ALIAS1_OVERLAY_CONFIG */ -/* ========================================================================= */ -#define UVH_SI_ALIAS1_OVERLAY_CONFIG 0xc80010UL - -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_BASE_SHFT 24 -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_M_ALIAS_SHFT 48 -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_ENABLE_SHFT 63 -#define UVH_SI_ALIAS1_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL - -union uvh_si_alias1_overlay_config_u { - unsigned long v; - struct uvh_si_alias1_overlay_config_s { - unsigned long rsvd_0_23: 24; /* */ - unsigned long base : 8; /* RW */ - unsigned long rsvd_32_47: 16; /* */ - unsigned long m_alias : 5; /* RW */ - unsigned long rsvd_53_62: 10; /* */ - unsigned long enable : 1; /* RW */ - } s; -}; - -/* ========================================================================= */ -/* UVH_SI_ALIAS2_OVERLAY_CONFIG */ -/* ========================================================================= */ -#define UVH_SI_ALIAS2_OVERLAY_CONFIG 0xc80018UL - -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_BASE_SHFT 24 -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_M_ALIAS_SHFT 48 -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_ENABLE_SHFT 63 -#define UVH_SI_ALIAS2_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL - -union uvh_si_alias2_overlay_config_u { - unsigned long v; - struct uvh_si_alias2_overlay_config_s { - unsigned long rsvd_0_23: 24; /* */ - unsigned long base : 8; /* RW */ - unsigned long rsvd_32_47: 16; /* */ - unsigned long m_alias : 5; /* RW */ - unsigned long rsvd_53_62: 10; /* */ - unsigned long enable : 1; /* RW */ - } s; -}; - -#endif /* _ASM_X86_UV_UV_MMRS_H */ +#endif /* __ASM_UV_MMRS_X86_H__ */ diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 850657d1b0ed..3f838d537392 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -52,7 +52,6 @@ #include <asm/mce.h> #include <asm/kvm_para.h> #include <asm/tsc.h> -#include <asm/atomic.h> unsigned int num_processors; diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index ed4118de249e..194539aea175 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -379,14 +379,14 @@ struct redir_addr { #define DEST_SHIFT UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_SHFT static __initdata struct redir_addr redir_addrs[] = { - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_SI_ALIAS0_OVERLAY_CONFIG}, - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_SI_ALIAS1_OVERLAY_CONFIG}, - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_SI_ALIAS2_OVERLAY_CONFIG}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR}, }; static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size) { - union uvh_si_alias0_overlay_config_u alias; + union uvh_rh_gam_alias210_overlay_config_2_mmr_u alias; union uvh_rh_gam_alias210_redirect_config_2_mmr_u redirect; int i; @@ -660,7 +660,7 @@ void uv_nmi_init(void) void __init uv_system_init(void) { - union uvh_si_addr_map_config_u m_n_config; + union uvh_rh_gam_config_mmr_u m_n_config; union uvh_node_id_u node_id; unsigned long gnode_upper, lowmem_redir_base, lowmem_redir_size; int bytes, nid, cpu, lcpu, pnode, blade, i, j, m_val, n_val; @@ -670,7 +670,7 @@ void __init uv_system_init(void) map_low_mmrs(); - m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG); + m_n_config.v = uv_read_local_mmr(UVH_RH_GAM_CONFIG_MMR ); m_val = m_n_config.s.m_skt; n_val = m_n_config.s.n_skt; mmr_base = diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 46d58448c3af..e421b8cd6944 100644 --- a/arch/x86/kernel/cpu/perf_event_amd.c +++ b/arch/x86/kernel/cpu/perf_event_amd.c @@ -280,11 +280,11 @@ static struct amd_nb *amd_alloc_nb(int cpu, int nb_id) struct amd_nb *nb; int i; - nb = kmalloc(sizeof(struct amd_nb), GFP_KERNEL); + nb = kmalloc_node(sizeof(struct amd_nb), GFP_KERNEL | __GFP_ZERO, + cpu_to_node(cpu)); if (!nb) return NULL; - memset(nb, 0, sizeof(*nb)); nb->nb_id = nb_id; /* diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index e1af7c055c7d..ce0cb4721c9a 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -212,7 +212,7 @@ static int install_equiv_cpu_table(const u8 *buf) return 0; } - equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size); + equiv_cpu_table = vmalloc(size); if (!equiv_cpu_table) { pr_err("failed to allocate equivalent CPU table\n"); return 0; diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c index 71825806cd44..6da143c2a6b8 100644 --- a/arch/x86/kernel/mmconf-fam10h_64.c +++ b/arch/x86/kernel/mmconf-fam10h_64.c @@ -217,13 +217,13 @@ void __cpuinit fam10h_check_enable_mmcfg(void) wrmsrl(address, val); } -static int __devinit set_check_enable_amd_mmconf(const struct dmi_system_id *d) +static int __init set_check_enable_amd_mmconf(const struct dmi_system_id *d) { pci_probe |= PCI_CHECK_ENABLE_AMD_MMCONF; return 0; } -static const struct dmi_system_id __cpuinitconst mmconf_dmi_table[] = { +static const struct dmi_system_id __initconst mmconf_dmi_table[] = { { .callback = set_check_enable_amd_mmconf, .ident = "Sun Microsystems Machine", @@ -234,7 +234,8 @@ static const struct dmi_system_id __cpuinitconst mmconf_dmi_table[] = { {} }; -void __cpuinit check_enable_amd_mmconf_dmi(void) +/* Called from a __cpuinit function, but only on the BSP. */ +void __ref check_enable_amd_mmconf_dmi(void) { dmi_check_system(mmconf_dmi_table); } diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index bab3b9e6f66d..008b91eefa18 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -41,44 +41,6 @@ void pvclock_set_flags(u8 flags) valid_flags = flags; } -/* - * Scale a 64-bit delta by scaling and multiplying by a 32-bit fraction, - * yielding a 64-bit result. - */ -static inline u64 scale_delta(u64 delta, u32 mul_frac, int shift) -{ - u64 product; -#ifdef __i386__ - u32 tmp1, tmp2; -#endif - - if (shift < 0) - delta >>= -shift; - else - delta <<= shift; - -#ifdef __i386__ - __asm__ ( - "mul %5 ; " - "mov %4,%%eax ; " - "mov %%edx,%4 ; " - "mul %5 ; " - "xor %5,%5 ; " - "add %4,%%eax ; " - "adc %5,%%edx ; " - : "=A" (product), "=r" (tmp1), "=r" (tmp2) - : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) ); -#elif defined(__x86_64__) - __asm__ ( - "mul %%rdx ; shrd $32,%%rdx,%%rax" - : "=a" (product) : "0" (delta), "d" ((u64)mul_frac) ); -#else -#error implement me! -#endif - - return product; -} - static u64 pvclock_get_nsec_offset(struct pvclock_shadow_time *shadow) { u64 delta = native_read_tsc() - shadow->tsc_timestamp; diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 49358481c733..12cdbb17ad18 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -251,7 +251,7 @@ static void __cpuinit calculate_tlb_offset(void) } } -static int tlb_cpuhp_notify(struct notifier_block *n, +static int __cpuinit tlb_cpuhp_notify(struct notifier_block *n, unsigned long action, void *hcpu) { switch (action & 0xf) { diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index 20ea20a39e2a..a318194002b5 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1343,8 +1343,8 @@ uv_activation_descriptor_init(int node, int pnode) * each bau_desc is 64 bytes; there are 8 (UV_ITEMS_PER_DESCRIPTOR) * per cpu; and up to 32 (UV_ADP_SIZE) cpu's per uvhub */ - bau_desc = (struct bau_desc *)kmalloc_node(sizeof(struct bau_desc)* - UV_ADP_SIZE*UV_ITEMS_PER_DESCRIPTOR, GFP_KERNEL, node); + bau_desc = kmalloc_node(sizeof(struct bau_desc) * UV_ADP_SIZE + * UV_ITEMS_PER_DESCRIPTOR, GFP_KERNEL, node); BUG_ON(!bau_desc); pa = uv_gpa(bau_desc); /* need the real nasid*/ @@ -1402,9 +1402,9 @@ uv_payload_queue_init(int node, int pnode) struct bau_payload_queue_entry *pqp_malloc; struct bau_control *bcp; - pqp = (struct bau_payload_queue_entry *) kmalloc_node( - (DEST_Q_SIZE + 1) * sizeof(struct bau_payload_queue_entry), - GFP_KERNEL, node); + pqp = kmalloc_node((DEST_Q_SIZE + 1) + * sizeof(struct bau_payload_queue_entry), + GFP_KERNEL, node); BUG_ON(!pqp); pqp_malloc = pqp; @@ -1520,8 +1520,7 @@ static void __init uv_init_per_cpu(int nuvhubs) timeout_us = calculate_destination_timeout(); - uvhub_descs = (struct uvhub_desc *) - kmalloc(nuvhubs * sizeof(struct uvhub_desc), GFP_KERNEL); + uvhub_descs = kmalloc(nuvhubs * sizeof(struct uvhub_desc), GFP_KERNEL); memset(uvhub_descs, 0, nuvhubs * sizeof(struct uvhub_desc)); uvhub_mask = kzalloc((nuvhubs+7)/8, GFP_KERNEL); for_each_present_cpu(cpu) { diff --git a/block/blk-core.c b/block/blk-core.c index f0834e2f5727..4ce953f1b390 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1194,13 +1194,6 @@ static int __make_request(struct request_queue *q, struct bio *bio) int where = ELEVATOR_INSERT_SORT; int rw_flags; - /* REQ_HARDBARRIER is no more */ - if (WARN_ONCE(bio->bi_rw & REQ_HARDBARRIER, - "block: HARDBARRIER is deprecated, use FLUSH/FUA instead\n")) { - bio_endio(bio, -EOPNOTSUPP); - return 0; - } - /* * low level driver can indicate that it wants pages above a * certain limit bounced to low memory (ie for highmem, or even @@ -1351,7 +1344,7 @@ static void handle_bad_sector(struct bio *bio) bdevname(bio->bi_bdev, b), bio->bi_rw, (unsigned long long)bio->bi_sector + bio_sectors(bio), - (long long)(bio->bi_bdev->bd_inode->i_size >> 9)); + (long long)(i_size_read(bio->bi_bdev->bd_inode) >> 9)); set_bit(BIO_EOF, &bio->bi_flags); } @@ -1404,7 +1397,7 @@ static inline int bio_check_eod(struct bio *bio, unsigned int nr_sectors) return 0; /* Test device or partition size, when known. */ - maxsector = bio->bi_bdev->bd_inode->i_size >> 9; + maxsector = i_size_read(bio->bi_bdev->bd_inode) >> 9; if (maxsector) { sector_t sector = bio->bi_sector; diff --git a/block/blk-ioc.c b/block/blk-ioc.c index d22c4c55c406..3c7a339fe381 100644 --- a/block/blk-ioc.c +++ b/block/blk-ioc.c @@ -153,20 +153,6 @@ struct io_context *get_io_context(gfp_t gfp_flags, int node) } EXPORT_SYMBOL(get_io_context); -void copy_io_context(struct io_context **pdst, struct io_context **psrc) -{ - struct io_context *src = *psrc; - struct io_context *dst = *pdst; - - if (src) { - BUG_ON(atomic_long_read(&src->refcount) == 0); - atomic_long_inc(&src->refcount); - put_io_context(dst); - *pdst = src; - } -} -EXPORT_SYMBOL(copy_io_context); - static int __init blk_ioc_init(void) { iocontext_cachep = kmem_cache_create("blkdev_ioc", diff --git a/block/blk-map.c b/block/blk-map.c index d4a586d8691e..5d5dbe47c228 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -205,6 +205,8 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, unaligned = 1; break; } + if (!iov[i].iov_len) + return -EINVAL; } if (unaligned || (q->dma_pad_mask & len) || map_data) diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c index 119f07b74dc0..58c6ee5b010c 100644 --- a/block/compat_ioctl.c +++ b/block/compat_ioctl.c @@ -744,13 +744,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE; return 0; case BLKGETSIZE: - size = bdev->bd_inode->i_size; + size = i_size_read(bdev->bd_inode); if ((size >> 9) > ~0UL) return -EFBIG; return compat_put_ulong(arg, size >> 9); case BLKGETSIZE64_32: - return compat_put_u64(arg, bdev->bd_inode->i_size); + return compat_put_u64(arg, i_size_read(bdev->bd_inode)); case BLKTRACESETUP32: case BLKTRACESTART: /* compatible */ diff --git a/block/elevator.c b/block/elevator.c index 282e8308f7e2..2569512830d3 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -429,7 +429,7 @@ void elv_dispatch_sort(struct request_queue *q, struct request *rq) q->nr_sorted--; boundary = q->end_sector; - stop_flags = REQ_SOFTBARRIER | REQ_HARDBARRIER | REQ_STARTED; + stop_flags = REQ_SOFTBARRIER | REQ_STARTED; list_for_each_prev(entry, &q->queue_head) { struct request *pos = list_entry_rq(entry); @@ -691,7 +691,7 @@ void elv_insert(struct request_queue *q, struct request *rq, int where) void __elv_add_request(struct request_queue *q, struct request *rq, int where, int plug) { - if (rq->cmd_flags & (REQ_SOFTBARRIER | REQ_HARDBARRIER)) { + if (rq->cmd_flags & REQ_SOFTBARRIER) { /* barriers are scheduling boundary, update end_sector */ if (rq->cmd_type == REQ_TYPE_FS || (rq->cmd_flags & REQ_DISCARD)) { diff --git a/block/ioctl.c b/block/ioctl.c index d724ceb1d465..3d866d0037f2 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -125,7 +125,7 @@ static int blk_ioctl_discard(struct block_device *bdev, uint64_t start, start >>= 9; len >>= 9; - if (start + len > (bdev->bd_inode->i_size >> 9)) + if (start + len > (i_size_read(bdev->bd_inode) >> 9)) return -EINVAL; if (secure) flags |= BLKDEV_DISCARD_SECURE; @@ -242,6 +242,7 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, * We need to set the startsect first, the driver may * want to override it. */ + memset(&geo, 0, sizeof(geo)); geo.start = get_start_sect(bdev); ret = disk->fops->getgeo(bdev, &geo); if (ret) @@ -307,12 +308,12 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, ret = blkdev_reread_part(bdev); break; case BLKGETSIZE: - size = bdev->bd_inode->i_size; + size = i_size_read(bdev->bd_inode); if ((size >> 9) > ~0UL) return -EFBIG; return put_ulong(arg, size >> 9); case BLKGETSIZE64: - return put_u64(arg, bdev->bd_inode->i_size); + return put_u64(arg, i_size_read(bdev->bd_inode)); case BLKTRACESTART: case BLKTRACESTOP: case BLKTRACESETUP: diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index a8b5a10eb5b0..4f4230b79bb6 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -321,33 +321,47 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, if (hdr->iovec_count) { const int size = sizeof(struct sg_iovec) * hdr->iovec_count; size_t iov_data_len; - struct sg_iovec *iov; + struct sg_iovec *sg_iov; + struct iovec *iov; + int i; - iov = kmalloc(size, GFP_KERNEL); - if (!iov) { + sg_iov = kmalloc(size, GFP_KERNEL); + if (!sg_iov) { ret = -ENOMEM; goto out; } - if (copy_from_user(iov, hdr->dxferp, size)) { - kfree(iov); + if (copy_from_user(sg_iov, hdr->dxferp, size)) { + kfree(sg_iov); ret = -EFAULT; goto out; } + /* + * Sum up the vecs, making sure they don't overflow + */ + iov = (struct iovec *) sg_iov; + iov_data_len = 0; + for (i = 0; i < hdr->iovec_count; i++) { + if (iov_data_len + iov[i].iov_len < iov_data_len) { + kfree(sg_iov); + ret = -EINVAL; + goto out; + } + iov_data_len += iov[i].iov_len; + } + /* SG_IO howto says that the shorter of the two wins */ - iov_data_len = iov_length((struct iovec *)iov, - hdr->iovec_count); if (hdr->dxfer_len < iov_data_len) { - hdr->iovec_count = iov_shorten((struct iovec *)iov, + hdr->iovec_count = iov_shorten(iov, hdr->iovec_count, hdr->dxfer_len); iov_data_len = hdr->dxfer_len; } - ret = blk_rq_map_user_iov(q, rq, NULL, iov, hdr->iovec_count, + ret = blk_rq_map_user_iov(q, rq, NULL, sg_iov, hdr->iovec_count, iov_data_len, GFP_KERNEL); - kfree(iov); + kfree(sg_iov); } else if (hdr->dxfer_len) ret = blk_rq_map_user(q, rq, NULL, hdr->dxferp, hdr->dxfer_len, GFP_KERNEL); diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index de3078215fe6..75586f1f86e7 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -504,7 +504,6 @@ err: static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt) { - kobject_put(&pcrypt->pinst->kobj); free_cpumask_var(pcrypt->cb_cpumask->mask); kfree(pcrypt->cb_cpumask); diff --git a/drivers/Makefile b/drivers/Makefile index 14cf9077bb2b..f3ebb30f1b7f 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_REGULATOR) += regulator/ # char/ comes before serial/ etc so that the VT console is the boot-time # default. +obj-y += tty/ obj-y += char/ # gpu/ comes after char for AGP vs DRM startup diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 541e18879965..528f6318ded1 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -180,9 +180,6 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio) BUG(); bio_endio(bio, -ENXIO); return 0; - } else if (bio->bi_rw & REQ_HARDBARRIER) { - bio_endio(bio, -EOPNOTSUPP); - return 0; } else if (bio->bi_io_vec == NULL) { printk(KERN_ERR "aoe: bi_io_vec is NULL\n"); BUG(); diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 2cc4dda46279..a67d0a611a8a 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -113,6 +113,8 @@ static struct board_type products[] = { {0x409D0E11, "Smart Array 6400 EM", &SA5_access}, {0x40910E11, "Smart Array 6i", &SA5_access}, {0x3225103C, "Smart Array P600", &SA5_access}, + {0x3223103C, "Smart Array P800", &SA5_access}, + {0x3234103C, "Smart Array P400", &SA5_access}, {0x3235103C, "Smart Array P400i", &SA5_access}, {0x3211103C, "Smart Array E200i", &SA5_access}, {0x3212103C, "Smart Array E200", &SA5_access}, @@ -3753,7 +3755,7 @@ static void __devinit cciss_wait_for_mode_change_ack(ctlr_info_t *h) for (i = 0; i < MAX_CONFIG_WAIT; i++) { if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) break; - msleep(10); + usleep_range(10000, 20000); } } @@ -3937,10 +3939,9 @@ static int __devinit cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id) *board_id = ((subsystem_device_id << 16) & 0xffff0000) | subsystem_vendor_id; - for (i = 0; i < ARRAY_SIZE(products); i++) { + for (i = 0; i < ARRAY_SIZE(products); i++) if (*board_id == products[i].board_id) return i; - } dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n", *board_id); return -ENODEV; @@ -3971,18 +3972,31 @@ static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev, return -ENODEV; } -static int __devinit cciss_wait_for_board_ready(ctlr_info_t *h) +static int __devinit cciss_wait_for_board_state(struct pci_dev *pdev, + void __iomem *vaddr, int wait_for_ready) +#define BOARD_READY 1 +#define BOARD_NOT_READY 0 { - int i; + int i, iterations; u32 scratchpad; - for (i = 0; i < CCISS_BOARD_READY_ITERATIONS; i++) { - scratchpad = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); - if (scratchpad == CCISS_FIRMWARE_READY) - return 0; + if (wait_for_ready) + iterations = CCISS_BOARD_READY_ITERATIONS; + else + iterations = CCISS_BOARD_NOT_READY_ITERATIONS; + + for (i = 0; i < iterations; i++) { + scratchpad = readl(vaddr + SA5_SCRATCHPAD_OFFSET); + if (wait_for_ready) { + if (scratchpad == CCISS_FIRMWARE_READY) + return 0; + } else { + if (scratchpad != CCISS_FIRMWARE_READY) + return 0; + } msleep(CCISS_BOARD_READY_POLL_INTERVAL_MSECS); } - dev_warn(&h->pdev->dev, "board not ready, timed out.\n"); + dev_warn(&pdev->dev, "board not ready, timed out.\n"); return -ENODEV; } @@ -4031,6 +4045,11 @@ static int __devinit cciss_find_cfgtables(ctlr_info_t *h) static void __devinit cciss_get_max_perf_mode_cmds(struct ctlr_info *h) { h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands)); + + /* Limit commands in memory limited kdump scenario. */ + if (reset_devices && h->max_commands > 32) + h->max_commands = 32; + if (h->max_commands < 16) { dev_warn(&h->pdev->dev, "Controller reports " "max supported commands of %d, an obvious lie. " @@ -4148,7 +4167,7 @@ static int __devinit cciss_pci_init(ctlr_info_t *h) err = -ENOMEM; goto err_out_free_res; } - err = cciss_wait_for_board_ready(h); + err = cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY); if (err) goto err_out_free_res; err = cciss_find_cfgtables(h); @@ -4313,36 +4332,6 @@ static __devinit int cciss_message(struct pci_dev *pdev, unsigned char opcode, u #define cciss_soft_reset_controller(p) cciss_message(p, 1, 0) #define cciss_noop(p) cciss_message(p, 3, 0) -static __devinit int cciss_reset_msi(struct pci_dev *pdev) -{ -/* the #defines are stolen from drivers/pci/msi.h. */ -#define msi_control_reg(base) (base + PCI_MSI_FLAGS) -#define PCI_MSIX_FLAGS_ENABLE (1 << 15) - - int pos; - u16 control = 0; - - pos = pci_find_capability(pdev, PCI_CAP_ID_MSI); - if (pos) { - pci_read_config_word(pdev, msi_control_reg(pos), &control); - if (control & PCI_MSI_FLAGS_ENABLE) { - dev_info(&pdev->dev, "resetting MSI\n"); - pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSI_FLAGS_ENABLE); - } - } - - pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX); - if (pos) { - pci_read_config_word(pdev, msi_control_reg(pos), &control); - if (control & PCI_MSIX_FLAGS_ENABLE) { - dev_info(&pdev->dev, "resetting MSI-X\n"); - pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSIX_FLAGS_ENABLE); - } - } - - return 0; -} - static int cciss_controller_hard_reset(struct pci_dev *pdev, void * __iomem vaddr, bool use_doorbell) { @@ -4397,17 +4386,17 @@ static int cciss_controller_hard_reset(struct pci_dev *pdev, * states or using the doorbell register. */ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) { - u16 saved_config_space[32]; u64 cfg_offset; u32 cfg_base_addr; u64 cfg_base_addr_index; void __iomem *vaddr; unsigned long paddr; u32 misc_fw_support, active_transport; - int rc, i; + int rc; CfgTable_struct __iomem *cfgtable; bool use_doorbell; u32 board_id; + u16 command_register; /* For controllers as old a the p600, this is very nearly * the same thing as @@ -4417,14 +4406,6 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) * pci_set_power_state(pci_dev, PCI_D0); * pci_restore_state(pci_dev); * - * but we can't use these nice canned kernel routines on - * kexec, because they also check the MSI/MSI-X state in PCI - * configuration space and do the wrong thing when it is - * set/cleared. Also, the pci_save/restore_state functions - * violate the ordering requirements for restoring the - * configuration space from the CCISS document (see the - * comment below). So we roll our own .... - * * For controllers newer than the P600, the pci power state * method of resetting doesn't work so we have another way * using the doorbell register. @@ -4443,8 +4424,13 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) return -ENODEV; } - for (i = 0; i < 32; i++) - pci_read_config_word(pdev, 2*i, &saved_config_space[i]); + /* Save the PCI command register */ + pci_read_config_word(pdev, 4, &command_register); + /* Turn the board off. This is so that later pci_restore_state() + * won't turn the board on before the rest of config space is ready. + */ + pci_disable_device(pdev); + pci_save_state(pdev); /* find the first memory BAR, so we can find the cfg table */ rc = cciss_pci_find_memory_BAR(pdev, &paddr); @@ -4479,26 +4465,32 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell); if (rc) goto unmap_cfgtable; - - /* Restore the PCI configuration space. The Open CISS - * Specification says, "Restore the PCI Configuration - * Registers, offsets 00h through 60h. It is important to - * restore the command register, 16-bits at offset 04h, - * last. Do not restore the configuration status register, - * 16-bits at offset 06h." Note that the offset is 2*i. - */ - for (i = 0; i < 32; i++) { - if (i == 2 || i == 3) - continue; - pci_write_config_word(pdev, 2*i, saved_config_space[i]); + pci_restore_state(pdev); + rc = pci_enable_device(pdev); + if (rc) { + dev_warn(&pdev->dev, "failed to enable device.\n"); + goto unmap_cfgtable; } - wmb(); - pci_write_config_word(pdev, 4, saved_config_space[2]); + pci_write_config_word(pdev, 4, command_register); /* Some devices (notably the HP Smart Array 5i Controller) need a little pause here */ msleep(CCISS_POST_RESET_PAUSE_MSECS); + /* Wait for board to become not ready, then ready. */ + dev_info(&pdev->dev, "Waiting for board to become ready.\n"); + rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_NOT_READY); + if (rc) /* Don't bail, might be E500, etc. which can't be reset */ + dev_warn(&pdev->dev, + "failed waiting for board to become not ready\n"); + rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_READY); + if (rc) { + dev_warn(&pdev->dev, + "failed waiting for board to become ready\n"); + goto unmap_cfgtable; + } + dev_info(&pdev->dev, "board ready.\n"); + /* Controller should be in simple mode at this point. If it's not, * It means we're on one of those controllers which doesn't support * the doorbell reset method and on which the PCI power management reset @@ -4539,8 +4531,6 @@ static __devinit int cciss_init_reset_devices(struct pci_dev *pdev) return 0; /* just try to do the kdump anyhow. */ if (rc) return -ENODEV; - if (cciss_reset_msi(pdev)) - return -ENODEV; /* Now try to get the controller to respond to a no-op */ for (i = 0; i < CCISS_POST_RESET_NOOP_RETRIES; i++) { @@ -4936,7 +4926,8 @@ static void __exit cciss_cleanup(void) } } kthread_stop(cciss_scan_thread); - remove_proc_entry("driver/cciss", NULL); + if (proc_cciss) + remove_proc_entry("driver/cciss", NULL); bus_unregister(&cciss_bus_type); } diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h index ae340ffc8f81..4b8933d778f1 100644 --- a/drivers/block/cciss.h +++ b/drivers/block/cciss.h @@ -200,10 +200,14 @@ struct ctlr_info * the above. */ #define CCISS_BOARD_READY_WAIT_SECS (120) +#define CCISS_BOARD_NOT_READY_WAIT_SECS (10) #define CCISS_BOARD_READY_POLL_INTERVAL_MSECS (100) #define CCISS_BOARD_READY_ITERATIONS \ ((CCISS_BOARD_READY_WAIT_SECS * 1000) / \ CCISS_BOARD_READY_POLL_INTERVAL_MSECS) +#define CCISS_BOARD_NOT_READY_ITERATIONS \ + ((CCISS_BOARD_NOT_READY_WAIT_SECS * 1000) / \ + CCISS_BOARD_READY_POLL_INTERVAL_MSECS) #define CCISS_POST_RESET_PAUSE_MSECS (3000) #define CCISS_POST_RESET_NOOP_INTERVAL_MSECS (1000) #define CCISS_POST_RESET_NOOP_RETRIES (12) diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index ac04ef97eac2..ba95cba192be 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -78,11 +78,10 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, init_completion(&md_io.event); md_io.error = 0; - if ((rw & WRITE) && !test_bit(MD_NO_BARRIER, &mdev->flags)) - rw |= REQ_HARDBARRIER; + if ((rw & WRITE) && !test_bit(MD_NO_FUA, &mdev->flags)) + rw |= REQ_FUA; rw |= REQ_UNPLUG | REQ_SYNC; - retry: bio = bio_alloc(GFP_NOIO, 1); bio->bi_bdev = bdev->md_bdev; bio->bi_sector = sector; @@ -100,17 +99,6 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, wait_for_completion(&md_io.event); ok = bio_flagged(bio, BIO_UPTODATE) && md_io.error == 0; - /* check for unsupported barrier op. - * would rather check on EOPNOTSUPP, but that is not reliable. - * don't try again for ANY return value != 0 */ - if (unlikely((bio->bi_rw & REQ_HARDBARRIER) && !ok)) { - /* Try again with no barrier */ - dev_warn(DEV, "Barriers not supported on meta data device - disabling\n"); - set_bit(MD_NO_BARRIER, &mdev->flags); - rw &= ~REQ_HARDBARRIER; - bio_put(bio); - goto retry; - } out: bio_put(bio); return ok; @@ -284,18 +272,32 @@ w_al_write_transaction(struct drbd_conf *mdev, struct drbd_work *w, int unused) u32 xor_sum = 0; if (!get_ldev(mdev)) { - dev_err(DEV, "get_ldev() failed in w_al_write_transaction\n"); + dev_err(DEV, + "disk is %s, cannot start al transaction (-%d +%d)\n", + drbd_disk_str(mdev->state.disk), evicted, new_enr); complete(&((struct update_al_work *)w)->event); return 1; } /* do we have to do a bitmap write, first? * TODO reduce maximum latency: * submit both bios, then wait for both, - * instead of doing two synchronous sector writes. */ + * instead of doing two synchronous sector writes. + * For now, we must not write the transaction, + * if we cannot write out the bitmap of the evicted extent. */ if (mdev->state.conn < C_CONNECTED && evicted != LC_FREE) drbd_bm_write_sect(mdev, evicted/AL_EXT_PER_BM_SECT); - mutex_lock(&mdev->md_io_mutex); /* protects md_io_page, al_tr_cycle, ... */ + /* The bitmap write may have failed, causing a state change. */ + if (mdev->state.disk < D_INCONSISTENT) { + dev_err(DEV, + "disk is %s, cannot write al transaction (-%d +%d)\n", + drbd_disk_str(mdev->state.disk), evicted, new_enr); + complete(&((struct update_al_work *)w)->event); + put_ldev(mdev); + return 1; + } + + mutex_lock(&mdev->md_io_mutex); /* protects md_io_buffer, al_tr_cycle, ... */ buffer = (struct al_transaction *)page_address(mdev->md_io_page); buffer->magic = __constant_cpu_to_be32(DRBD_MAGIC); @@ -739,7 +741,7 @@ void drbd_al_apply_to_bm(struct drbd_conf *mdev) unsigned int enr; unsigned long add = 0; char ppb[10]; - int i; + int i, tmp; wait_event(mdev->al_wait, lc_try_lock(mdev->act_log)); @@ -747,7 +749,9 @@ void drbd_al_apply_to_bm(struct drbd_conf *mdev) enr = lc_element_by_index(mdev->act_log, i)->lc_number; if (enr == LC_FREE) continue; - add += drbd_bm_ALe_set_all(mdev, enr); + tmp = drbd_bm_ALe_set_all(mdev, enr); + dynamic_dev_dbg(DEV, "AL: set %d bits in extent %u\n", tmp, enr); + add += tmp; } lc_unlock(mdev->act_log); diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 9bdcf4393c0a..1ea1a34e78b2 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -114,11 +114,11 @@ struct drbd_conf; #define D_ASSERT(exp) if (!(exp)) \ dev_err(DEV, "ASSERT( " #exp " ) in %s:%d\n", __FILE__, __LINE__) -#define ERR_IF(exp) if (({ \ - int _b = (exp) != 0; \ - if (_b) dev_err(DEV, "%s: (%s) in %s:%d\n", \ - __func__, #exp, __FILE__, __LINE__); \ - _b; \ +#define ERR_IF(exp) if (({ \ + int _b = (exp) != 0; \ + if (_b) dev_err(DEV, "ASSERT FAILED: %s: (%s) in %s:%d\n", \ + __func__, #exp, __FILE__, __LINE__); \ + _b; \ })) /* Defines to control fault insertion */ @@ -749,17 +749,12 @@ struct drbd_epoch { /* drbd_epoch flag bits */ enum { - DE_BARRIER_IN_NEXT_EPOCH_ISSUED, - DE_BARRIER_IN_NEXT_EPOCH_DONE, - DE_CONTAINS_A_BARRIER, DE_HAVE_BARRIER_NUMBER, - DE_IS_FINISHING, }; enum epoch_event { EV_PUT, EV_GOT_BARRIER_NR, - EV_BARRIER_DONE, EV_BECAME_LAST, EV_CLEANUP = 32, /* used as flag */ }; @@ -801,11 +796,6 @@ enum { __EE_CALL_AL_COMPLETE_IO, __EE_MAY_SET_IN_SYNC, - /* This epoch entry closes an epoch using a barrier. - * On sucessful completion, the epoch is released, - * and the P_BARRIER_ACK send. */ - __EE_IS_BARRIER, - /* In case a barrier failed, * we need to resubmit without the barrier flag. */ __EE_RESUBMITTED, @@ -820,7 +810,6 @@ enum { }; #define EE_CALL_AL_COMPLETE_IO (1<<__EE_CALL_AL_COMPLETE_IO) #define EE_MAY_SET_IN_SYNC (1<<__EE_MAY_SET_IN_SYNC) -#define EE_IS_BARRIER (1<<__EE_IS_BARRIER) #define EE_RESUBMITTED (1<<__EE_RESUBMITTED) #define EE_WAS_ERROR (1<<__EE_WAS_ERROR) #define EE_HAS_DIGEST (1<<__EE_HAS_DIGEST) @@ -843,16 +832,15 @@ enum { * Gets cleared when the state.conn * goes into C_CONNECTED state. */ WRITE_BM_AFTER_RESYNC, /* A kmalloc() during resync failed */ - NO_BARRIER_SUPP, /* underlying block device doesn't implement barriers */ CONSIDER_RESYNC, - MD_NO_BARRIER, /* meta data device does not support barriers, - so don't even try */ + MD_NO_FUA, /* Users wants us to not use FUA/FLUSH on meta data dev */ SUSPEND_IO, /* suspend application io */ BITMAP_IO, /* suspend application io; once no more io in flight, start bitmap io */ BITMAP_IO_QUEUED, /* Started bitmap IO */ - GO_DISKLESS, /* Disk failed, local_cnt reached zero, we are going diskless */ + GO_DISKLESS, /* Disk is being detached, on io-error or admin request. */ + WAS_IO_ERROR, /* Local disk failed returned IO error */ RESYNC_AFTER_NEG, /* Resync after online grow after the attach&negotiate finished. */ NET_CONGESTED, /* The data socket is congested */ @@ -947,7 +935,6 @@ enum write_ordering_e { WO_none, WO_drain_io, WO_bdev_flush, - WO_bio_barrier }; struct fifo_buffer { @@ -1281,6 +1268,7 @@ extern int drbd_bmio_set_n_write(struct drbd_conf *mdev); extern int drbd_bmio_clear_n_write(struct drbd_conf *mdev); extern int drbd_bitmap_io(struct drbd_conf *mdev, int (*io_fn)(struct drbd_conf *), char *why); extern void drbd_go_diskless(struct drbd_conf *mdev); +extern void drbd_ldev_destroy(struct drbd_conf *mdev); /* Meta data layout @@ -1798,17 +1786,17 @@ static inline void __drbd_chk_io_error_(struct drbd_conf *mdev, int forcedetach, case EP_PASS_ON: if (!forcedetach) { if (__ratelimit(&drbd_ratelimit_state)) - dev_err(DEV, "Local IO failed in %s." - "Passing error on...\n", where); + dev_err(DEV, "Local IO failed in %s.\n", where); break; } /* NOTE fall through to detach case if forcedetach set */ case EP_DETACH: case EP_CALL_HELPER: + set_bit(WAS_IO_ERROR, &mdev->flags); if (mdev->state.disk > D_FAILED) { _drbd_set_state(_NS(mdev, disk, D_FAILED), CS_HARD, NULL); - dev_err(DEV, "Local IO failed in %s." - "Detaching...\n", where); + dev_err(DEV, + "Local IO failed in %s. Detaching...\n", where); } break; } @@ -1874,7 +1862,7 @@ static inline sector_t drbd_md_last_sector(struct drbd_backing_dev *bdev) static inline sector_t drbd_get_capacity(struct block_device *bdev) { /* return bdev ? get_capacity(bdev->bd_disk) : 0; */ - return bdev ? bdev->bd_inode->i_size >> 9 : 0; + return bdev ? i_size_read(bdev->bd_inode) >> 9 : 0; } /** @@ -2127,7 +2115,11 @@ static inline void put_ldev(struct drbd_conf *mdev) __release(local); D_ASSERT(i >= 0); if (i == 0) { + if (mdev->state.disk == D_DISKLESS) + /* even internal references gone, safe to destroy */ + drbd_ldev_destroy(mdev); if (mdev->state.disk == D_FAILED) + /* all application IO references gone. */ drbd_go_diskless(mdev); wake_up(&mdev->misc_wait); } @@ -2138,6 +2130,10 @@ static inline int _get_ldev_if_state(struct drbd_conf *mdev, enum drbd_disk_stat { int io_allowed; + /* never get a reference while D_DISKLESS */ + if (mdev->state.disk == D_DISKLESS) + return 0; + atomic_inc(&mdev->local_cnt); io_allowed = (mdev->state.disk >= mins); if (!io_allowed) @@ -2406,12 +2402,12 @@ static inline void drbd_md_flush(struct drbd_conf *mdev) { int r; - if (test_bit(MD_NO_BARRIER, &mdev->flags)) + if (test_bit(MD_NO_FUA, &mdev->flags)) return; r = blkdev_issue_flush(mdev->ldev->md_bdev, GFP_KERNEL, NULL); if (r) { - set_bit(MD_NO_BARRIER, &mdev->flags); + set_bit(MD_NO_FUA, &mdev->flags); dev_err(DEV, "meta data flush failed with status %d, disabling md-flushes\n", r); } } diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 25c7a73c5062..6be5401d0e88 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -835,6 +835,15 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state ns.conn != C_UNCONNECTED && ns.conn != C_DISCONNECTING && ns.conn <= C_TEAR_DOWN) ns.conn = os.conn; + /* we cannot fail (again) if we already detached */ + if (ns.disk == D_FAILED && os.disk == D_DISKLESS) + ns.disk = D_DISKLESS; + + /* if we are only D_ATTACHING yet, + * we can (and should) go directly to D_DISKLESS. */ + if (ns.disk == D_FAILED && os.disk == D_ATTACHING) + ns.disk = D_DISKLESS; + /* After C_DISCONNECTING only C_STANDALONE may follow */ if (os.conn == C_DISCONNECTING && ns.conn != C_STANDALONE) ns.conn = os.conn; @@ -1056,7 +1065,15 @@ int __drbd_set_state(struct drbd_conf *mdev, !test_and_set_bit(CONFIG_PENDING, &mdev->flags)) set_bit(DEVICE_DYING, &mdev->flags); - mdev->state.i = ns.i; + /* if we are going -> D_FAILED or D_DISKLESS, grab one extra reference + * on the ldev here, to be sure the transition -> D_DISKLESS resp. + * drbd_ldev_destroy() won't happen before our corresponding + * after_state_ch works run, where we put_ldev again. */ + if ((os.disk != D_FAILED && ns.disk == D_FAILED) || + (os.disk != D_DISKLESS && ns.disk == D_DISKLESS)) + atomic_inc(&mdev->local_cnt); + + mdev->state = ns; wake_up(&mdev->misc_wait); wake_up(&mdev->state_wait); @@ -1268,7 +1285,6 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, if (test_bit(NEW_CUR_UUID, &mdev->flags)) { drbd_uuid_new_current(mdev); clear_bit(NEW_CUR_UUID, &mdev->flags); - drbd_md_sync(mdev); } spin_lock_irq(&mdev->req_lock); _drbd_set_state(_NS(mdev, susp_fen, 0), CS_VERBOSE, NULL); @@ -1365,63 +1381,64 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, os.disk > D_INCONSISTENT && ns.disk == D_INCONSISTENT) drbd_queue_bitmap_io(mdev, &drbd_bmio_set_n_write, NULL, "set_n_write from invalidate"); - /* first half of local IO error */ - if (os.disk > D_FAILED && ns.disk == D_FAILED) { - enum drbd_io_error_p eh = EP_PASS_ON; + /* first half of local IO error, failure to attach, + * or administrative detach */ + if (os.disk != D_FAILED && ns.disk == D_FAILED) { + enum drbd_io_error_p eh; + int was_io_error; + /* corresponding get_ldev was in __drbd_set_state, to serialize + * our cleanup here with the transition to D_DISKLESS, + * so it is safe to dreference ldev here. */ + eh = mdev->ldev->dc.on_io_error; + was_io_error = test_and_clear_bit(WAS_IO_ERROR, &mdev->flags); + + /* current state still has to be D_FAILED, + * there is only one way out: to D_DISKLESS, + * and that may only happen after our put_ldev below. */ + if (mdev->state.disk != D_FAILED) + dev_err(DEV, + "ASSERT FAILED: disk is %s during detach\n", + drbd_disk_str(mdev->state.disk)); if (drbd_send_state(mdev)) - dev_warn(DEV, "Notified peer that my disk is broken.\n"); + dev_warn(DEV, "Notified peer that I am detaching my disk\n"); else - dev_err(DEV, "Sending state for drbd_io_error() failed\n"); + dev_err(DEV, "Sending state for detaching disk failed\n"); drbd_rs_cancel_all(mdev); - if (get_ldev_if_state(mdev, D_FAILED)) { - eh = mdev->ldev->dc.on_io_error; - put_ldev(mdev); - } - if (eh == EP_CALL_HELPER) + /* In case we want to get something to stable storage still, + * this may be the last chance. + * Following put_ldev may transition to D_DISKLESS. */ + drbd_md_sync(mdev); + put_ldev(mdev); + + if (was_io_error && eh == EP_CALL_HELPER) drbd_khelper(mdev, "local-io-error"); } + /* second half of local IO error, failure to attach, + * or administrative detach, + * after local_cnt references have reached zero again */ + if (os.disk != D_DISKLESS && ns.disk == D_DISKLESS) { + /* We must still be diskless, + * re-attach has to be serialized with this! */ + if (mdev->state.disk != D_DISKLESS) + dev_err(DEV, + "ASSERT FAILED: disk is %s while going diskless\n", + drbd_disk_str(mdev->state.disk)); - /* second half of local IO error handling, - * after local_cnt references have reached zero: */ - if (os.disk == D_FAILED && ns.disk == D_DISKLESS) { - mdev->rs_total = 0; - mdev->rs_failed = 0; - atomic_set(&mdev->rs_pending_cnt, 0); - } - - if (os.disk > D_DISKLESS && ns.disk == D_DISKLESS) { - /* We must still be diskless, - * re-attach has to be serialized with this! */ - if (mdev->state.disk != D_DISKLESS) - dev_err(DEV, - "ASSERT FAILED: disk is %s while going diskless\n", - drbd_disk_str(mdev->state.disk)); + mdev->rs_total = 0; + mdev->rs_failed = 0; + atomic_set(&mdev->rs_pending_cnt, 0); - /* we cannot assert local_cnt == 0 here, as get_ldev_if_state - * will inc/dec it frequently. Since we became D_DISKLESS, no - * one has touched the protected members anymore, though, so we - * are safe to free them here. */ if (drbd_send_state(mdev)) - dev_warn(DEV, "Notified peer that I detached my disk.\n"); + dev_warn(DEV, "Notified peer that I'm now diskless.\n"); else - dev_err(DEV, "Sending state for detach failed\n"); - - lc_destroy(mdev->resync); - mdev->resync = NULL; - lc_destroy(mdev->act_log); - mdev->act_log = NULL; - __no_warn(local, - drbd_free_bc(mdev->ldev); - mdev->ldev = NULL;); - - if (mdev->md_io_tmpp) { - __free_page(mdev->md_io_tmpp); - mdev->md_io_tmpp = NULL; - } + dev_err(DEV, "Sending state for being diskless failed\n"); + /* corresponding get_ldev in __drbd_set_state + * this may finaly trigger drbd_ldev_destroy. */ + put_ldev(mdev); } /* Disks got bigger while they were detached */ @@ -2772,11 +2789,6 @@ void drbd_init_set_defaults(struct drbd_conf *mdev) drbd_set_defaults(mdev); - /* for now, we do NOT yet support it, - * even though we start some framework - * to eventually support barriers */ - set_bit(NO_BARRIER_SUPP, &mdev->flags); - atomic_set(&mdev->ap_bio_cnt, 0); atomic_set(&mdev->ap_pending_cnt, 0); atomic_set(&mdev->rs_pending_cnt, 0); @@ -2842,7 +2854,7 @@ void drbd_init_set_defaults(struct drbd_conf *mdev) drbd_thread_init(mdev, &mdev->asender, drbd_asender); mdev->agreed_pro_version = PRO_VERSION_MAX; - mdev->write_ordering = WO_bio_barrier; + mdev->write_ordering = WO_bdev_flush; mdev->resync_wenr = LC_FREE; } @@ -2899,7 +2911,6 @@ void drbd_mdev_cleanup(struct drbd_conf *mdev) D_ASSERT(list_empty(&mdev->resync_work.list)); D_ASSERT(list_empty(&mdev->unplug_work.list)); D_ASSERT(list_empty(&mdev->go_diskless.list)); - } @@ -3660,6 +3671,8 @@ void drbd_uuid_new_current(struct drbd_conf *mdev) __must_hold(local) get_random_bytes(&val, sizeof(u64)); _drbd_uuid_set(mdev, UI_CURRENT, val); + /* get it to stable storage _now_ */ + drbd_md_sync(mdev); } void drbd_uuid_set_bm(struct drbd_conf *mdev, u64 val) __must_hold(local) @@ -3756,19 +3769,31 @@ static int w_bitmap_io(struct drbd_conf *mdev, struct drbd_work *w, int unused) return 1; } +void drbd_ldev_destroy(struct drbd_conf *mdev) +{ + lc_destroy(mdev->resync); + mdev->resync = NULL; + lc_destroy(mdev->act_log); + mdev->act_log = NULL; + __no_warn(local, + drbd_free_bc(mdev->ldev); + mdev->ldev = NULL;); + + if (mdev->md_io_tmpp) { + __free_page(mdev->md_io_tmpp); + mdev->md_io_tmpp = NULL; + } + clear_bit(GO_DISKLESS, &mdev->flags); +} + static int w_go_diskless(struct drbd_conf *mdev, struct drbd_work *w, int unused) { D_ASSERT(mdev->state.disk == D_FAILED); /* we cannot assert local_cnt == 0 here, as get_ldev_if_state will * inc/dec it frequently. Once we are D_DISKLESS, no one will touch - * the protected members anymore, though, so in the after_state_ch work - * it will be safe to free them. */ + * the protected members anymore, though, so once put_ldev reaches zero + * again, it will be safe to free them. */ drbd_force_state(mdev, NS(disk, D_DISKLESS)); - /* We need to wait for return of references checked out while we still - * have been D_FAILED, though (drbd_md_sync, bitmap io). */ - wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt)); - - clear_bit(GO_DISKLESS, &mdev->flags); return 1; } @@ -3777,9 +3802,6 @@ void drbd_go_diskless(struct drbd_conf *mdev) D_ASSERT(mdev->state.disk == D_FAILED); if (!test_and_set_bit(GO_DISKLESS, &mdev->flags)) drbd_queue_work(&mdev->data.work, &mdev->go_diskless); - /* don't drbd_queue_work_front, - * we need to serialize with the after_state_ch work - * of the -> D_FAILED transition. */ } /** diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 87925e97e613..29e5c70e4e26 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -870,6 +870,11 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp retcode = ERR_DISK_CONFIGURED; goto fail; } + /* It may just now have detached because of IO error. Make sure + * drbd_ldev_destroy is done already, we may end up here very fast, + * e.g. if someone calls attach from the on-io-error handler, + * to realize a "hot spare" feature (not that I'd recommend that) */ + wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt)); /* allocation not in the IO path, cqueue thread context */ nbc = kzalloc(sizeof(struct drbd_backing_dev), GFP_KERNEL); @@ -1098,9 +1103,9 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp /* Reset the "barriers don't work" bits here, then force meta data to * be written, to ensure we determine if barriers are supported. */ if (nbc->dc.no_md_flush) - set_bit(MD_NO_BARRIER, &mdev->flags); + set_bit(MD_NO_FUA, &mdev->flags); else - clear_bit(MD_NO_BARRIER, &mdev->flags); + clear_bit(MD_NO_FUA, &mdev->flags); /* Point of no return reached. * Devices and memory are no longer released by error cleanup below. @@ -1112,8 +1117,8 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp nbc = NULL; resync_lru = NULL; - mdev->write_ordering = WO_bio_barrier; - drbd_bump_write_ordering(mdev, WO_bio_barrier); + mdev->write_ordering = WO_bdev_flush; + drbd_bump_write_ordering(mdev, WO_bdev_flush); if (drbd_md_test_flag(mdev->ldev, MDF_CRASHED_PRIMARY)) set_bit(CRASHED_PRIMARY, &mdev->flags); @@ -1262,7 +1267,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp force_diskless_dec: put_ldev(mdev); force_diskless: - drbd_force_state(mdev, NS(disk, D_DISKLESS)); + drbd_force_state(mdev, NS(disk, D_FAILED)); drbd_md_sync(mdev); release_bdev2_fail: if (nbc) @@ -1285,10 +1290,19 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp return 0; } +/* Detaching the disk is a process in multiple stages. First we need to lock + * out application IO, in-flight IO, IO stuck in drbd_al_begin_io. + * Then we transition to D_DISKLESS, and wait for put_ldev() to return all + * internal references as well. + * Only then we have finally detached. */ static int drbd_nl_detach(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp, struct drbd_nl_cfg_reply *reply) { + drbd_suspend_io(mdev); /* so no-one is stuck in drbd_al_begin_io */ reply->ret_code = drbd_request_state(mdev, NS(disk, D_DISKLESS)); + if (mdev->state.disk == D_DISKLESS) + wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt)); + drbd_resume_io(mdev); return 0; } @@ -1953,7 +1967,6 @@ static int drbd_nl_resume_io(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp if (test_bit(NEW_CUR_UUID, &mdev->flags)) { drbd_uuid_new_current(mdev); clear_bit(NEW_CUR_UUID, &mdev->flags); - drbd_md_sync(mdev); } drbd_suspend_io(mdev); reply->ret_code = drbd_request_state(mdev, NS3(susp, 0, susp_nod, 0, susp_fen, 0)); diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index ad325c5d0ce1..7e6ac307e2de 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -158,7 +158,6 @@ static int drbd_seq_show(struct seq_file *seq, void *v) [WO_none] = 'n', [WO_drain_io] = 'd', [WO_bdev_flush] = 'f', - [WO_bio_barrier] = 'b', }; seq_printf(seq, "version: " REL_VERSION " (api:%d/proto:%d-%d)\n%s\n", diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index efd6169acf2f..d299fe9e78c8 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -49,11 +49,6 @@ #include "drbd_vli.h" -struct flush_work { - struct drbd_work w; - struct drbd_epoch *epoch; -}; - enum finish_epoch { FE_STILL_LIVE, FE_DESTROYED, @@ -66,16 +61,6 @@ static int drbd_do_auth(struct drbd_conf *mdev); static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *, struct drbd_epoch *, enum epoch_event); static int e_end_block(struct drbd_conf *, struct drbd_work *, int); -static struct drbd_epoch *previous_epoch(struct drbd_conf *mdev, struct drbd_epoch *epoch) -{ - struct drbd_epoch *prev; - spin_lock(&mdev->epoch_lock); - prev = list_entry(epoch->list.prev, struct drbd_epoch, list); - if (prev == epoch || prev == mdev->current_epoch) - prev = NULL; - spin_unlock(&mdev->epoch_lock); - return prev; -} #define GFP_TRY (__GFP_HIGHMEM | __GFP_NOWARN) @@ -981,7 +966,7 @@ static int drbd_recv_header(struct drbd_conf *mdev, enum drbd_packets *cmd, unsi return TRUE; } -static enum finish_epoch drbd_flush_after_epoch(struct drbd_conf *mdev, struct drbd_epoch *epoch) +static void drbd_flush(struct drbd_conf *mdev) { int rv; @@ -997,24 +982,6 @@ static enum finish_epoch drbd_flush_after_epoch(struct drbd_conf *mdev, struct d } put_ldev(mdev); } - - return drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE); -} - -static int w_flush(struct drbd_conf *mdev, struct drbd_work *w, int cancel) -{ - struct flush_work *fw = (struct flush_work *)w; - struct drbd_epoch *epoch = fw->epoch; - - kfree(w); - - if (!test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags)) - drbd_flush_after_epoch(mdev, epoch); - - drbd_may_finish_epoch(mdev, epoch, EV_PUT | - (mdev->state.conn < C_CONNECTED ? EV_CLEANUP : 0)); - - return 1; } /** @@ -1027,15 +994,13 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, struct drbd_epoch *epoch, enum epoch_event ev) { - int finish, epoch_size; + int epoch_size; struct drbd_epoch *next_epoch; - int schedule_flush = 0; enum finish_epoch rv = FE_STILL_LIVE; spin_lock(&mdev->epoch_lock); do { next_epoch = NULL; - finish = 0; epoch_size = atomic_read(&epoch->epoch_size); @@ -1045,16 +1010,6 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, break; case EV_GOT_BARRIER_NR: set_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags); - - /* Special case: If we just switched from WO_bio_barrier to - WO_bdev_flush we should not finish the current epoch */ - if (test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags) && epoch_size == 1 && - mdev->write_ordering != WO_bio_barrier && - epoch == mdev->current_epoch) - clear_bit(DE_CONTAINS_A_BARRIER, &epoch->flags); - break; - case EV_BARRIER_DONE: - set_bit(DE_BARRIER_IN_NEXT_EPOCH_DONE, &epoch->flags); break; case EV_BECAME_LAST: /* nothing to do*/ @@ -1063,23 +1018,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, if (epoch_size != 0 && atomic_read(&epoch->active) == 0 && - test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags) && - epoch->list.prev == &mdev->current_epoch->list && - !test_bit(DE_IS_FINISHING, &epoch->flags)) { - /* Nearly all conditions are met to finish that epoch... */ - if (test_bit(DE_BARRIER_IN_NEXT_EPOCH_DONE, &epoch->flags) || - mdev->write_ordering == WO_none || - (epoch_size == 1 && test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags)) || - ev & EV_CLEANUP) { - finish = 1; - set_bit(DE_IS_FINISHING, &epoch->flags); - } else if (!test_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags) && - mdev->write_ordering == WO_bio_barrier) { - atomic_inc(&epoch->active); - schedule_flush = 1; - } - } - if (finish) { + test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags)) { if (!(ev & EV_CLEANUP)) { spin_unlock(&mdev->epoch_lock); drbd_send_b_ack(mdev, epoch->barrier_nr, epoch_size); @@ -1102,6 +1041,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, /* atomic_set(&epoch->active, 0); is already zero */ if (rv == FE_STILL_LIVE) rv = FE_RECYCLED; + wake_up(&mdev->ee_wait); } } @@ -1113,22 +1053,6 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev, spin_unlock(&mdev->epoch_lock); - if (schedule_flush) { - struct flush_work *fw; - fw = kmalloc(sizeof(*fw), GFP_ATOMIC); - if (fw) { - fw->w.cb = w_flush; - fw->epoch = epoch; - drbd_queue_work(&mdev->data.work, &fw->w); - } else { - dev_warn(DEV, "Could not kmalloc a flush_work obj\n"); - set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags); - /* That is not a recursion, only one level */ - drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE); - drbd_may_finish_epoch(mdev, epoch, EV_PUT); - } - } - return rv; } @@ -1144,19 +1068,16 @@ void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo) [WO_none] = "none", [WO_drain_io] = "drain", [WO_bdev_flush] = "flush", - [WO_bio_barrier] = "barrier", }; pwo = mdev->write_ordering; wo = min(pwo, wo); - if (wo == WO_bio_barrier && mdev->ldev->dc.no_disk_barrier) - wo = WO_bdev_flush; if (wo == WO_bdev_flush && mdev->ldev->dc.no_disk_flush) wo = WO_drain_io; if (wo == WO_drain_io && mdev->ldev->dc.no_disk_drain) wo = WO_none; mdev->write_ordering = wo; - if (pwo != mdev->write_ordering || wo == WO_bio_barrier) + if (pwo != mdev->write_ordering || wo == WO_bdev_flush) dev_info(DEV, "Method to ensure write ordering: %s\n", write_ordering_str[mdev->write_ordering]); } @@ -1192,7 +1113,7 @@ next_bio: bio->bi_sector = sector; bio->bi_bdev = mdev->ldev->backing_bdev; /* we special case some flags in the multi-bio case, see below - * (REQ_UNPLUG, REQ_HARDBARRIER) */ + * (REQ_UNPLUG) */ bio->bi_rw = rw; bio->bi_private = e; bio->bi_end_io = drbd_endio_sec; @@ -1226,11 +1147,6 @@ next_bio: bio->bi_rw &= ~REQ_UNPLUG; drbd_generic_make_request(mdev, fault_type, bio); - - /* strip off REQ_HARDBARRIER, - * unless it is the first or last bio */ - if (bios && bios->bi_next) - bios->bi_rw &= ~REQ_HARDBARRIER; } while (bios); maybe_kick_lo(mdev); return 0; @@ -1244,45 +1160,9 @@ fail: return -ENOMEM; } -/** - * w_e_reissue() - Worker callback; Resubmit a bio, without REQ_HARDBARRIER set - * @mdev: DRBD device. - * @w: work object. - * @cancel: The connection will be closed anyways (unused in this callback) - */ -int w_e_reissue(struct drbd_conf *mdev, struct drbd_work *w, int cancel) __releases(local) -{ - struct drbd_epoch_entry *e = (struct drbd_epoch_entry *)w; - /* We leave DE_CONTAINS_A_BARRIER and EE_IS_BARRIER in place, - (and DE_BARRIER_IN_NEXT_EPOCH_ISSUED in the previous Epoch) - so that we can finish that epoch in drbd_may_finish_epoch(). - That is necessary if we already have a long chain of Epochs, before - we realize that REQ_HARDBARRIER is actually not supported */ - - /* As long as the -ENOTSUPP on the barrier is reported immediately - that will never trigger. If it is reported late, we will just - print that warning and continue correctly for all future requests - with WO_bdev_flush */ - if (previous_epoch(mdev, e->epoch)) - dev_warn(DEV, "Write ordering was not enforced (one time event)\n"); - - /* we still have a local reference, - * get_ldev was done in receive_Data. */ - - e->w.cb = e_end_block; - if (drbd_submit_ee(mdev, e, WRITE, DRBD_FAULT_DT_WR) != 0) { - /* drbd_submit_ee fails for one reason only: - * if was not able to allocate sufficient bios. - * requeue, try again later. */ - e->w.cb = w_e_reissue; - drbd_queue_work(&mdev->data.work, &e->w); - } - return 1; -} - static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned int data_size) { - int rv, issue_flush; + int rv; struct p_barrier *p = &mdev->data.rbuf.barrier; struct drbd_epoch *epoch; @@ -1300,44 +1180,40 @@ static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsign * Therefore we must send the barrier_ack after the barrier request was * completed. */ switch (mdev->write_ordering) { - case WO_bio_barrier: case WO_none: if (rv == FE_RECYCLED) return TRUE; - break; + + /* receiver context, in the writeout path of the other node. + * avoid potential distributed deadlock */ + epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); + if (epoch) + break; + else + dev_warn(DEV, "Allocation of an epoch failed, slowing down\n"); + /* Fall through */ case WO_bdev_flush: case WO_drain_io: - if (rv == FE_STILL_LIVE) { - set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags); - drbd_wait_ee_list_empty(mdev, &mdev->active_ee); - rv = drbd_flush_after_epoch(mdev, mdev->current_epoch); - } - if (rv == FE_RECYCLED) - return TRUE; - - /* The asender will send all the ACKs and barrier ACKs out, since - all EEs moved from the active_ee to the done_ee. We need to - provide a new epoch object for the EEs that come in soon */ - break; - } - - /* receiver context, in the writeout path of the other node. - * avoid potential distributed deadlock */ - epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); - if (!epoch) { - dev_warn(DEV, "Allocation of an epoch failed, slowing down\n"); - issue_flush = !test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags); drbd_wait_ee_list_empty(mdev, &mdev->active_ee); - if (issue_flush) { - rv = drbd_flush_after_epoch(mdev, mdev->current_epoch); - if (rv == FE_RECYCLED) - return TRUE; + drbd_flush(mdev); + + if (atomic_read(&mdev->current_epoch->epoch_size)) { + epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); + if (epoch) + break; } - drbd_wait_ee_list_empty(mdev, &mdev->done_ee); + epoch = mdev->current_epoch; + wait_event(mdev->ee_wait, atomic_read(&epoch->epoch_size) == 0); + + D_ASSERT(atomic_read(&epoch->active) == 0); + D_ASSERT(epoch->flags == 0); return TRUE; + default: + dev_err(DEV, "Strangeness in mdev->write_ordering %d\n", mdev->write_ordering); + return FALSE; } epoch->flags = 0; @@ -1652,15 +1528,8 @@ static int e_end_block(struct drbd_conf *mdev, struct drbd_work *w, int cancel) { struct drbd_epoch_entry *e = (struct drbd_epoch_entry *)w; sector_t sector = e->sector; - struct drbd_epoch *epoch; int ok = 1, pcmd; - if (e->flags & EE_IS_BARRIER) { - epoch = previous_epoch(mdev, e->epoch); - if (epoch) - drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE + (cancel ? EV_CLEANUP : 0)); - } - if (mdev->net_conf->wire_protocol == DRBD_PROT_C) { if (likely((e->flags & EE_WAS_ERROR) == 0)) { pcmd = (mdev->state.conn >= C_SYNC_SOURCE && @@ -1817,27 +1686,6 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned e->epoch = mdev->current_epoch; atomic_inc(&e->epoch->epoch_size); atomic_inc(&e->epoch->active); - - if (mdev->write_ordering == WO_bio_barrier && atomic_read(&e->epoch->epoch_size) == 1) { - struct drbd_epoch *epoch; - /* Issue a barrier if we start a new epoch, and the previous epoch - was not a epoch containing a single request which already was - a Barrier. */ - epoch = list_entry(e->epoch->list.prev, struct drbd_epoch, list); - if (epoch == e->epoch) { - set_bit(DE_CONTAINS_A_BARRIER, &e->epoch->flags); - rw |= REQ_HARDBARRIER; - e->flags |= EE_IS_BARRIER; - } else { - if (atomic_read(&epoch->epoch_size) > 1 || - !test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags)) { - set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags); - set_bit(DE_CONTAINS_A_BARRIER, &e->epoch->flags); - rw |= REQ_HARDBARRIER; - e->flags |= EE_IS_BARRIER; - } - } - } spin_unlock(&mdev->epoch_lock); dp_flags = be32_to_cpu(p->dp_flags); @@ -1995,10 +1843,11 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned break; } - if (mdev->state.pdsk == D_DISKLESS) { + if (mdev->state.pdsk < D_INCONSISTENT) { /* In case we have the only disk of the cluster, */ drbd_set_out_of_sync(mdev, e->sector, e->size); e->flags |= EE_CALL_AL_COMPLETE_IO; + e->flags &= ~EE_MAY_SET_IN_SYNC; drbd_al_begin_io(mdev, e->sector); } @@ -3362,7 +3211,7 @@ static int receive_state(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned if (ns.conn == C_MASK) { ns.conn = C_CONNECTED; if (mdev->state.disk == D_NEGOTIATING) { - drbd_force_state(mdev, NS(disk, D_DISKLESS)); + drbd_force_state(mdev, NS(disk, D_FAILED)); } else if (peer_state.disk == D_NEGOTIATING) { dev_err(DEV, "Disk attach process on the peer node was aborted.\n"); peer_state.disk = D_DISKLESS; diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 9e91a2545fc8..11a75d32a2e2 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -258,7 +258,7 @@ void _req_may_be_done(struct drbd_request *req, struct bio_and_error *m) if (!hlist_unhashed(&req->colision)) hlist_del(&req->colision); else - D_ASSERT((s & RQ_NET_MASK) == 0); + D_ASSERT((s & (RQ_NET_MASK & ~RQ_NET_DONE)) == 0); /* for writes we need to do some extra housekeeping */ if (rw == WRITE) @@ -813,7 +813,8 @@ static int drbd_make_request_common(struct drbd_conf *mdev, struct bio *bio) mdev->state.conn >= C_CONNECTED)); if (!(local || remote) && !is_susp(mdev->state)) { - dev_err(DEV, "IO ERROR: neither local nor remote disk\n"); + if (__ratelimit(&drbd_ratelimit_state)) + dev_err(DEV, "IO ERROR: neither local nor remote disk\n"); goto fail_free_complete; } @@ -942,12 +943,21 @@ allocate_barrier: if (local) { req->private_bio->bi_bdev = mdev->ldev->backing_bdev; - if (FAULT_ACTIVE(mdev, rw == WRITE ? DRBD_FAULT_DT_WR - : rw == READ ? DRBD_FAULT_DT_RD - : DRBD_FAULT_DT_RA)) + /* State may have changed since we grabbed our reference on the + * mdev->ldev member. Double check, and short-circuit to endio. + * In case the last activity log transaction failed to get on + * stable storage, and this is a WRITE, we may not even submit + * this bio. */ + if (get_ldev(mdev)) { + if (FAULT_ACTIVE(mdev, rw == WRITE ? DRBD_FAULT_DT_WR + : rw == READ ? DRBD_FAULT_DT_RD + : DRBD_FAULT_DT_RA)) + bio_endio(req->private_bio, -EIO); + else + generic_make_request(req->private_bio); + put_ldev(mdev); + } else bio_endio(req->private_bio, -EIO); - else - generic_make_request(req->private_bio); } /* we need to plug ALWAYS since we possibly need to kick lo_dev. @@ -1022,20 +1032,6 @@ int drbd_make_request_26(struct request_queue *q, struct bio *bio) return 0; } - /* Reject barrier requests if we know the underlying device does - * not support them. - * XXX: Need to get this info from peer as well some how so we - * XXX: reject if EITHER side/data/metadata area does not support them. - * - * because of those XXX, this is not yet enabled, - * i.e. in drbd_init_set_defaults we set the NO_BARRIER_SUPP bit. - */ - if (unlikely(bio->bi_rw & REQ_HARDBARRIER) && test_bit(NO_BARRIER_SUPP, &mdev->flags)) { - /* dev_warn(DEV, "Rejecting barrier request as underlying device does not support\n"); */ - bio_endio(bio, -EOPNOTSUPP); - return 0; - } - /* * what we "blindly" assume: */ diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 108d58015cd1..b0551ba7ad0c 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -102,12 +102,6 @@ void drbd_endio_read_sec_final(struct drbd_epoch_entry *e) __releases(local) put_ldev(mdev); } -static int is_failed_barrier(int ee_flags) -{ - return (ee_flags & (EE_IS_BARRIER|EE_WAS_ERROR|EE_RESUBMITTED)) - == (EE_IS_BARRIER|EE_WAS_ERROR); -} - /* writes on behalf of the partner, or resync writes, * "submitted" by the receiver, final stage. */ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(local) @@ -119,21 +113,6 @@ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(lo int is_syncer_req; int do_al_complete_io; - /* if this is a failed barrier request, disable use of barriers, - * and schedule for resubmission */ - if (is_failed_barrier(e->flags)) { - drbd_bump_write_ordering(mdev, WO_bdev_flush); - spin_lock_irqsave(&mdev->req_lock, flags); - list_del(&e->w.list); - e->flags = (e->flags & ~EE_WAS_ERROR) | EE_RESUBMITTED; - e->w.cb = w_e_reissue; - /* put_ldev actually happens below, once we come here again. */ - __release(local); - spin_unlock_irqrestore(&mdev->req_lock, flags); - drbd_queue_work(&mdev->data.work, &e->w); - return; - } - D_ASSERT(e->block_id != ID_VACANT); /* after we moved e to done_ee, @@ -925,7 +904,7 @@ out: drbd_md_sync(mdev); if (test_and_clear_bit(WRITE_BM_AFTER_RESYNC, &mdev->flags)) { - dev_warn(DEV, "Writing the whole bitmap, due to failed kmalloc\n"); + dev_info(DEV, "Writing the whole bitmap\n"); drbd_queue_bitmap_io(mdev, &drbd_bm_write, NULL, "write from resync_finished"); } diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 8f19b380ca83..3951020e494a 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4573,8 +4573,8 @@ static void __exit floppy_module_exit(void) device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos); platform_device_unregister(&floppy_device[drive]); } - put_disk(disks[drive]); blk_cleanup_queue(disks[drive]->queue); + put_disk(disks[drive]); } del_timer_sync(&fd_timeout); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 1e5284ef65fa..7ea0bea2f7e3 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -481,12 +481,6 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio) if (bio_rw(bio) == WRITE) { struct file *file = lo->lo_backing_file; - /* REQ_HARDBARRIER is deprecated */ - if (bio->bi_rw & REQ_HARDBARRIER) { - ret = -EOPNOTSUPP; - goto out; - } - if (bio->bi_rw & REQ_FLUSH) { ret = vfs_fsync(file, 0); if (unlikely(ret && ret != -EINVAL)) { diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 06e2812ba124..255035cfc88a 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -289,8 +289,6 @@ static int blkif_queue_request(struct request *req) ring_req->operation = rq_data_dir(req) ? BLKIF_OP_WRITE : BLKIF_OP_READ; - if (req->cmd_flags & REQ_HARDBARRIER) - ring_req->operation = BLKIF_OP_WRITE_BARRIER; ring_req->nr_segments = blk_rq_map_sg(req->q, req, info->sg); BUG_ON(ring_req->nr_segments > BLKIF_MAX_SEGMENTS_PER_REQUEST); diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 3a9c01416839..ba53ec956c95 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -2,24 +2,10 @@ # Makefile for the kernel character device drivers. # -# -# This file contains the font map for the default (hardware) font -# -FONTMAPFILE = cp437.uni - -obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o tty_buffer.o tty_port.o - -obj-y += tty_mutex.o -obj-$(CONFIG_LEGACY_PTYS) += pty.o -obj-$(CONFIG_UNIX98_PTYS) += pty.o +obj-y += mem.o random.o obj-$(CONFIG_TTY_PRINTK) += ttyprintk.o obj-y += misc.o -obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o selection.o keyboard.o obj-$(CONFIG_BFIN_JTAG_COMM) += bfin_jtag_comm.o -obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o -obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o -obj-$(CONFIG_AUDIT) += tty_audit.o -obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o obj-$(CONFIG_MVME147_SCC) += generic_serial.o vme_scc.o obj-$(CONFIG_MVME162_SCC) += generic_serial.o vme_scc.o obj-$(CONFIG_BVME6000_SCC) += generic_serial.o vme_scc.o @@ -41,8 +27,6 @@ obj-$(CONFIG_ISI) += isicom.o obj-$(CONFIG_SYNCLINK) += synclink.o obj-$(CONFIG_SYNCLINKMP) += synclinkmp.o obj-$(CONFIG_SYNCLINK_GT) += synclink_gt.o -obj-$(CONFIG_N_HDLC) += n_hdlc.o -obj-$(CONFIG_N_GSM) += n_gsm.o obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o obj-$(CONFIG_SX) += sx.o generic_serial.o obj-$(CONFIG_RIO) += rio/ generic_serial.o @@ -74,7 +58,6 @@ obj-$(CONFIG_PRINTER) += lp.o obj-$(CONFIG_APM_EMULATION) += apm-emulation.o obj-$(CONFIG_DTLK) += dtlk.o -obj-$(CONFIG_R3964) += n_r3964.o obj-$(CONFIG_APPLICOM) += applicom.o obj-$(CONFIG_SONYPI) += sonypi.o obj-$(CONFIG_RTC) += rtc.o @@ -115,28 +98,3 @@ obj-$(CONFIG_RAMOOPS) += ramoops.o obj-$(CONFIG_JS_RTC) += js-rtc.o js-rtc-y = rtc.o - -# Files generated that shall be removed upon make clean -clean-files := consolemap_deftbl.c defkeymap.c - -quiet_cmd_conmk = CONMK $@ - cmd_conmk = scripts/conmakehash $< > $@ - -$(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE) - $(call cmd,conmk) - -$(obj)/defkeymap.o: $(obj)/defkeymap.c - -# Uncomment if you're changing the keymap and have an appropriate -# loadkeys version for the map. By default, we'll use the shipped -# versions. -# GENERATE_KEYMAP := 1 - -ifdef GENERATE_KEYMAP - -$(obj)/defkeymap.c: $(obj)/%.c: $(src)/%.map - loadkeys --mktable $< > $@.tmp - sed -e 's/^static *//' $@.tmp > $@ - rm $@.tmp - -endif diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 6b6760ea2435..9272c38dd3c6 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1210,14 +1210,14 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry, unsigned int gfdt = flags & AGP_USER_CACHED_MEMORY_GFDT; u32 pte_flags; - if (type_mask == AGP_USER_UNCACHED_MEMORY) + if (type_mask == AGP_USER_MEMORY) pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID; else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) { - pte_flags = GEN6_PTE_LLC | I810_PTE_VALID; + pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID; if (gfdt) pte_flags |= GEN6_PTE_GFDT; } else { /* set 'normal'/'cached' to LLC by default */ - pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID; + pte_flags = GEN6_PTE_LLC | I810_PTE_VALID; if (gfdt) pte_flags |= GEN6_PTE_GFDT; } diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index a44611652282..d68d3aa1814b 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -616,13 +616,9 @@ static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev) /* get hold of clock */ p->clk = clk_get(&p->pdev->dev, "cmt_fck"); if (IS_ERR(p->clk)) { - dev_warn(&p->pdev->dev, "using deprecated clock lookup\n"); - p->clk = clk_get(&p->pdev->dev, cfg->clk); - if (IS_ERR(p->clk)) { - dev_err(&p->pdev->dev, "cannot get clock\n"); - ret = PTR_ERR(p->clk); - goto err1; - } + dev_err(&p->pdev->dev, "cannot get clock\n"); + ret = PTR_ERR(p->clk); + goto err1; } if (resource_size(res) == 6) { diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index ef7a5be8a09f..40630cb98237 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -287,13 +287,9 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev) /* get hold of clock */ p->clk = clk_get(&p->pdev->dev, "mtu2_fck"); if (IS_ERR(p->clk)) { - dev_warn(&p->pdev->dev, "using deprecated clock lookup\n"); - p->clk = clk_get(&p->pdev->dev, cfg->clk); - if (IS_ERR(p->clk)) { - dev_err(&p->pdev->dev, "cannot get clock\n"); - ret = PTR_ERR(p->clk); - goto err1; - } + dev_err(&p->pdev->dev, "cannot get clock\n"); + ret = PTR_ERR(p->clk); + goto err1; } return sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev), diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c index de715901b82a..36aba9923060 100644 --- a/drivers/clocksource/sh_tmu.c +++ b/drivers/clocksource/sh_tmu.c @@ -393,13 +393,9 @@ static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev) /* get hold of clock */ p->clk = clk_get(&p->pdev->dev, "tmu_fck"); if (IS_ERR(p->clk)) { - dev_warn(&p->pdev->dev, "using deprecated clock lookup\n"); - p->clk = clk_get(&p->pdev->dev, cfg->clk); - if (IS_ERR(p->clk)) { - dev_err(&p->pdev->dev, "cannot get clock\n"); - ret = PTR_ERR(p->clk); - goto err1; - } + dev_err(&p->pdev->dev, "cannot get clock\n"); + ret = PTR_ERR(p->clk); + goto err1; } return sh_tmu_register(p, (char *)dev_name(&p->pdev->dev), diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index dcbeb98f195a..f7af91cb273d 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -276,7 +276,7 @@ static bool drm_encoder_crtc_ok(struct drm_encoder *encoder, struct drm_crtc *tmp; int crtc_mask = 1; - WARN(!crtc, "checking null crtc?"); + WARN(!crtc, "checking null crtc?\n"); dev = crtc->dev; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index c1a26217a530..a245d17165ae 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -240,7 +240,7 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf, .addr = DDC_ADDR, .flags = I2C_M_RD, .len = len, - .buf = buf + start, + .buf = buf, } }; @@ -253,7 +253,7 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf, static u8 * drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter) { - int i, j = 0; + int i, j = 0, valid_extensions = 0; u8 *block, *new; if ((block = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL) @@ -280,14 +280,28 @@ drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter) for (j = 1; j <= block[0x7e]; j++) { for (i = 0; i < 4; i++) { - if (drm_do_probe_ddc_edid(adapter, block, j, - EDID_LENGTH)) + if (drm_do_probe_ddc_edid(adapter, + block + (valid_extensions + 1) * EDID_LENGTH, + j, EDID_LENGTH)) goto out; - if (drm_edid_block_valid(block + j * EDID_LENGTH)) + if (drm_edid_block_valid(block + (valid_extensions + 1) * EDID_LENGTH)) { + valid_extensions++; break; + } } if (i == 4) - goto carp; + dev_warn(connector->dev->dev, + "%s: Ignoring invalid EDID block %d.\n", + drm_get_connector_name(connector), j); + } + + if (valid_extensions != block[0x7e]) { + block[EDID_LENGTH-1] += block[0x7e] - valid_extensions; + block[0x7e] = valid_extensions; + new = krealloc(block, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL); + if (!new) + goto out; + block = new; } return block; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 3467dd420760..80745f85902c 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -44,7 +44,7 @@ unsigned int i915_fbpercrtc = 0; module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400); unsigned int i915_powersave = 1; -module_param_named(powersave, i915_powersave, int, 0400); +module_param_named(powersave, i915_powersave, int, 0600); unsigned int i915_lvds_downclock = 0; module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 2c2c19b6285e..90414ae86afc 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1321,6 +1321,7 @@ static inline void i915_write(struct drm_i915_private *dev_priv, u32 reg, #define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type) #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT) +#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX) #define PRIMARY_RINGBUFFER_SIZE (128*1024) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8eb8453208b5..ef188e391406 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2172,7 +2172,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj) static int i915_ring_idle(struct drm_device *dev, struct intel_ring_buffer *ring) { - if (list_empty(&ring->gpu_write_list)) + if (list_empty(&ring->gpu_write_list) && list_empty(&ring->active_list)) return 0; i915_gem_flush_ring(dev, NULL, ring, @@ -2190,9 +2190,7 @@ i915_gpu_idle(struct drm_device *dev) int ret; lists_empty = (list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->render_ring.active_list) && - list_empty(&dev_priv->bsd_ring.active_list) && - list_empty(&dev_priv->blt_ring.active_list)); + list_empty(&dev_priv->mm.active_list)); if (lists_empty) return 0; @@ -3108,7 +3106,8 @@ i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj, * write domain */ if (obj->write_domain && - obj->write_domain != obj->pending_read_domains) { + (obj->write_domain != obj->pending_read_domains || + obj_priv->ring != ring)) { flush_domains |= obj->write_domain; invalidate_domains |= obj->pending_read_domains & ~obj->write_domain; @@ -3497,6 +3496,52 @@ i915_gem_execbuffer_pin(struct drm_device *dev, return 0; } +static int +i915_gem_execbuffer_move_to_gpu(struct drm_device *dev, + struct drm_file *file, + struct intel_ring_buffer *ring, + struct drm_gem_object **objects, + int count) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + int ret, i; + + /* Zero the global flush/invalidate flags. These + * will be modified as new domains are computed + * for each object + */ + dev->invalidate_domains = 0; + dev->flush_domains = 0; + dev_priv->mm.flush_rings = 0; + for (i = 0; i < count; i++) + i915_gem_object_set_to_gpu_domain(objects[i], ring); + + if (dev->invalidate_domains | dev->flush_domains) { +#if WATCH_EXEC + DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n", + __func__, + dev->invalidate_domains, + dev->flush_domains); +#endif + i915_gem_flush(dev, file, + dev->invalidate_domains, + dev->flush_domains, + dev_priv->mm.flush_rings); + } + + for (i = 0; i < count; i++) { + struct drm_i915_gem_object *obj = to_intel_bo(objects[i]); + /* XXX replace with semaphores */ + if (obj->ring && ring != obj->ring) { + ret = i915_gem_object_wait_rendering(&obj->base, true); + if (ret) + return ret; + } + } + + return 0; +} + /* Throttle our rendering by waiting until the ring has completed our requests * emitted over 20 msec ago. * @@ -3757,33 +3802,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, goto err; } - /* Zero the global flush/invalidate flags. These - * will be modified as new domains are computed - * for each object - */ - dev->invalidate_domains = 0; - dev->flush_domains = 0; - dev_priv->mm.flush_rings = 0; - - for (i = 0; i < args->buffer_count; i++) { - struct drm_gem_object *obj = object_list[i]; - - /* Compute new gpu domains and update invalidate/flush */ - i915_gem_object_set_to_gpu_domain(obj, ring); - } - - if (dev->invalidate_domains | dev->flush_domains) { -#if WATCH_EXEC - DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n", - __func__, - dev->invalidate_domains, - dev->flush_domains); -#endif - i915_gem_flush(dev, file, - dev->invalidate_domains, - dev->flush_domains, - dev_priv->mm.flush_rings); - } + ret = i915_gem_execbuffer_move_to_gpu(dev, file, ring, + object_list, args->buffer_count); + if (ret) + goto err; for (i = 0; i < args->buffer_count; i++) { struct drm_gem_object *obj = object_list[i]; @@ -4043,8 +4065,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment) alignment = i915_gem_get_gtt_alignment(obj); if (obj_priv->gtt_offset & (alignment - 1)) { WARN(obj_priv->pin_count, - "bo is already pinned with incorrect alignment:" - " offset=%x, req.alignment=%x\n", + "bo is already pinned with incorrect alignment: offset=%x, req.alignment=%x\n", obj_priv->gtt_offset, alignment); ret = i915_gem_object_unbind(obj); if (ret) @@ -4856,17 +4877,24 @@ i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object *obj, struct drm_file *file_priv) { struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); - void *obj_addr; - int ret; - char __user *user_data; + void *vaddr = obj_priv->phys_obj->handle->vaddr + args->offset; + char __user *user_data = (char __user *) (uintptr_t) args->data_ptr; - user_data = (char __user *) (uintptr_t) args->data_ptr; - obj_addr = obj_priv->phys_obj->handle->vaddr + args->offset; + DRM_DEBUG_DRIVER("vaddr %p, %lld\n", vaddr, args->size); - DRM_DEBUG_DRIVER("obj_addr %p, %lld\n", obj_addr, args->size); - ret = copy_from_user(obj_addr, user_data, args->size); - if (ret) - return -EFAULT; + if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) { + unsigned long unwritten; + + /* The physical object once assigned is fixed for the lifetime + * of the obj, so we can safely drop the lock and continue + * to access vaddr. + */ + mutex_unlock(&dev->struct_mutex); + unwritten = copy_from_user(vaddr, user_data, args->size); + mutex_lock(&dev->struct_mutex); + if (unwritten) + return -EFAULT; + } drm_agp_chipset_flush(dev); return 0; @@ -4900,9 +4928,7 @@ i915_gpu_is_active(struct drm_device *dev) int lists_empty; lists_empty = list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->render_ring.active_list) && - list_empty(&dev_priv->bsd_ring.active_list) && - list_empty(&dev_priv->blt_ring.active_list); + list_empty(&dev_priv->mm.active_list); return !lists_empty; } diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index 43a4013f53fa..d8ae7d1d0cc6 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -165,9 +165,7 @@ i915_gem_evict_everything(struct drm_device *dev) lists_empty = (list_empty(&dev_priv->mm.inactive_list) && list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->render_ring.active_list) && - list_empty(&dev_priv->bsd_ring.active_list) && - list_empty(&dev_priv->blt_ring.active_list)); + list_empty(&dev_priv->mm.active_list)); if (lists_empty) return -ENOSPC; @@ -184,9 +182,7 @@ i915_gem_evict_everything(struct drm_device *dev) lists_empty = (list_empty(&dev_priv->mm.inactive_list) && list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->render_ring.active_list) && - list_empty(&dev_priv->bsd_ring.active_list) && - list_empty(&dev_priv->blt_ring.active_list)); + list_empty(&dev_priv->mm.active_list)); BUG_ON(!lists_empty); return 0; diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 989c19d2d959..454c064f8ef7 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -862,8 +862,10 @@ int i915_restore_state(struct drm_device *dev) /* Clock gating state */ intel_init_clock_gating(dev); - if (HAS_PCH_SPLIT(dev)) + if (HAS_PCH_SPLIT(dev)) { ironlake_enable_drps(dev); + intel_init_emon(dev); + } /* Cache mode state */ I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 990f065374b2..48d8fd686ea9 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1681,6 +1681,37 @@ static void ironlake_set_pll_edp(struct drm_crtc *crtc, int clock) udelay(500); } +static void intel_fdi_normal_train(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int pipe = intel_crtc->pipe; + u32 reg, temp; + + /* enable normal train */ + reg = FDI_TX_CTL(pipe); + temp = I915_READ(reg); + temp &= ~FDI_LINK_TRAIN_NONE; + temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; + I915_WRITE(reg, temp); + + reg = FDI_RX_CTL(pipe); + temp = I915_READ(reg); + if (HAS_PCH_CPT(dev)) { + temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; + temp |= FDI_LINK_TRAIN_NORMAL_CPT; + } else { + temp &= ~FDI_LINK_TRAIN_NONE; + temp |= FDI_LINK_TRAIN_NONE; + } + I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); + + /* wait one idle pattern time */ + POSTING_READ(reg); + udelay(1000); +} + /* The FDI link training functions for ILK/Ibexpeak. */ static void ironlake_fdi_link_train(struct drm_crtc *crtc) { @@ -1767,27 +1798,6 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc) DRM_DEBUG_KMS("FDI train done\n"); - /* enable normal train */ - reg = FDI_TX_CTL(pipe); - temp = I915_READ(reg); - temp &= ~FDI_LINK_TRAIN_NONE; - temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; - I915_WRITE(reg, temp); - - reg = FDI_RX_CTL(pipe); - temp = I915_READ(reg); - if (HAS_PCH_CPT(dev)) { - temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; - temp |= FDI_LINK_TRAIN_NORMAL_CPT; - } else { - temp &= ~FDI_LINK_TRAIN_NONE; - temp |= FDI_LINK_TRAIN_NONE; - } - I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); - - /* wait one idle pattern time */ - POSTING_READ(reg); - udelay(1000); } static const int const snb_b_fdi_train_param [] = { @@ -2090,6 +2100,8 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) I915_WRITE(TRANS_VBLANK(pipe), I915_READ(VBLANK(pipe))); I915_WRITE(TRANS_VSYNC(pipe), I915_READ(VSYNC(pipe))); + intel_fdi_normal_train(crtc); + /* For PCH DP, enable TRANS_DP_CTL */ if (HAS_PCH_CPT(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { @@ -2200,9 +2212,10 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) udelay(100); /* Ironlake workaround, disable clock pointer after downing FDI */ - I915_WRITE(FDI_RX_CHICKEN(pipe), - I915_READ(FDI_RX_CHICKEN(pipe) & - ~FDI_RX_PHASE_SYNC_POINTER_ENABLE)); + if (HAS_PCH_IBX(dev)) + I915_WRITE(FDI_RX_CHICKEN(pipe), + I915_READ(FDI_RX_CHICKEN(pipe) & + ~FDI_RX_PHASE_SYNC_POINTER_ENABLE)); /* still set train pattern 1 */ reg = FDI_TX_CTL(pipe); @@ -5581,20 +5594,19 @@ void ironlake_enable_drps(struct drm_device *dev) fmin = (rgvmodectl & MEMMODE_FMIN_MASK); fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT; - fstart = fmax; vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT; - dev_priv->fmax = fstart; /* IPS callback will increase this */ + dev_priv->fmax = fmax; /* IPS callback will increase this */ dev_priv->fstart = fstart; - dev_priv->max_delay = fmax; + dev_priv->max_delay = fstart; dev_priv->min_delay = fmin; dev_priv->cur_delay = fstart; - DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n", fmax, fmin, - fstart); + DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n", + fmax, fmin, fstart); I915_WRITE(MEMINTREN, MEMINT_CX_SUPR_EN | MEMINT_EVAL_CHG_EN); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 891f4f1d63b1..c8e005553310 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1517,7 +1517,7 @@ g4x_dp_detect(struct intel_dp *intel_dp) status = connector_status_connected; } - return bit; + return status; } /** diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 9af9f86a8765..21551fe74541 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -296,6 +296,7 @@ extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, extern void intel_init_clock_gating(struct drm_device *dev); extern void ironlake_enable_drps(struct drm_device *dev); extern void ironlake_disable_drps(struct drm_device *dev); +extern void intel_init_emon(struct drm_device *dev); extern int intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj, diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index f1a649990ea9..4324a326f98e 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -481,11 +481,8 @@ static int intel_lvds_get_modes(struct drm_connector *connector) struct drm_device *dev = connector->dev; struct drm_display_mode *mode; - if (intel_lvds->edid) { - drm_mode_connector_update_edid_property(connector, - intel_lvds->edid); + if (intel_lvds->edid) return drm_add_edid_modes(connector, intel_lvds->edid); - } mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode); if (mode == 0) @@ -939,7 +936,16 @@ void intel_lvds_init(struct drm_device *dev) */ intel_lvds->edid = drm_get_edid(connector, &dev_priv->gmbus[pin].adapter); - + if (intel_lvds->edid) { + if (drm_add_edid_modes(connector, + intel_lvds->edid)) { + drm_mode_connector_update_edid_property(connector, + intel_lvds->edid); + } else { + kfree(intel_lvds->edid); + intel_lvds->edid = NULL; + } + } if (!intel_lvds->edid) { /* Didn't get an EDID, so * Set wide sync ranges so we get all modes diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 917c7dc3cd6b..9b0d9a867aea 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -512,6 +512,6 @@ int intel_opregion_setup(struct drm_device *dev) return 0; err_out: - iounmap(opregion->header); + iounmap(base); return err; } diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index afb96d25219a..02ff0a481f47 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -946,7 +946,9 @@ static int check_overlay_src(struct drm_device *dev, { int uv_hscale = uv_hsubsampling(rec->flags); int uv_vscale = uv_vsubsampling(rec->flags); - u32 stride_mask, depth, tmp; + u32 stride_mask; + int depth; + u32 tmp; /* check src dimensions */ if (IS_845G(dev) || IS_I830(dev)) { diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 09f2dc353ae2..b83306f9244b 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -177,7 +177,7 @@ static int init_ring_common(struct drm_device *dev, I915_WRITE_CTL(ring, ((ring->gem_object->size - PAGE_SIZE) & RING_NR_PAGES) - | RING_NO_REPORT | RING_VALID); + | RING_REPORT_64K | RING_VALID); head = I915_READ_HEAD(ring) & HEAD_ADDR; /* If the head is still not zero, the ring is dead */ @@ -654,6 +654,10 @@ void intel_cleanup_ring_buffer(struct drm_device *dev, i915_gem_object_unpin(ring->gem_object); drm_gem_object_unreference(ring->gem_object); ring->gem_object = NULL; + + if (ring->cleanup) + ring->cleanup(ring); + cleanup_status_page(dev, ring); } @@ -688,6 +692,17 @@ int intel_wait_ring_buffer(struct drm_device *dev, { unsigned long end; drm_i915_private_t *dev_priv = dev->dev_private; + u32 head; + + head = intel_read_status_page(ring, 4); + if (head) { + ring->head = head & HEAD_ADDR; + ring->space = ring->head - (ring->tail + 8); + if (ring->space < 0) + ring->space += ring->size; + if (ring->space >= n) + return 0; + } trace_i915_ring_wait_begin (dev); end = jiffies + 3 * HZ; @@ -854,19 +869,125 @@ blt_ring_put_user_irq(struct drm_device *dev, /* do nothing */ } + +/* Workaround for some stepping of SNB, + * each time when BLT engine ring tail moved, + * the first command in the ring to be parsed + * should be MI_BATCH_BUFFER_START + */ +#define NEED_BLT_WORKAROUND(dev) \ + (IS_GEN6(dev) && (dev->pdev->revision < 8)) + +static inline struct drm_i915_gem_object * +to_blt_workaround(struct intel_ring_buffer *ring) +{ + return ring->private; +} + +static int blt_ring_init(struct drm_device *dev, + struct intel_ring_buffer *ring) +{ + if (NEED_BLT_WORKAROUND(dev)) { + struct drm_i915_gem_object *obj; + u32 __iomem *ptr; + int ret; + + obj = to_intel_bo(i915_gem_alloc_object(dev, 4096)); + if (obj == NULL) + return -ENOMEM; + + ret = i915_gem_object_pin(&obj->base, 4096); + if (ret) { + drm_gem_object_unreference(&obj->base); + return ret; + } + + ptr = kmap(obj->pages[0]); + iowrite32(MI_BATCH_BUFFER_END, ptr); + iowrite32(MI_NOOP, ptr+1); + kunmap(obj->pages[0]); + + ret = i915_gem_object_set_to_gtt_domain(&obj->base, false); + if (ret) { + i915_gem_object_unpin(&obj->base); + drm_gem_object_unreference(&obj->base); + return ret; + } + + ring->private = obj; + } + + return init_ring_common(dev, ring); +} + +static void blt_ring_begin(struct drm_device *dev, + struct intel_ring_buffer *ring, + int num_dwords) +{ + if (ring->private) { + intel_ring_begin(dev, ring, num_dwords+2); + intel_ring_emit(dev, ring, MI_BATCH_BUFFER_START); + intel_ring_emit(dev, ring, to_blt_workaround(ring)->gtt_offset); + } else + intel_ring_begin(dev, ring, 4); +} + +static void blt_ring_flush(struct drm_device *dev, + struct intel_ring_buffer *ring, + u32 invalidate_domains, + u32 flush_domains) +{ + blt_ring_begin(dev, ring, 4); + intel_ring_emit(dev, ring, MI_FLUSH_DW); + intel_ring_emit(dev, ring, 0); + intel_ring_emit(dev, ring, 0); + intel_ring_emit(dev, ring, 0); + intel_ring_advance(dev, ring); +} + +static u32 +blt_ring_add_request(struct drm_device *dev, + struct intel_ring_buffer *ring, + u32 flush_domains) +{ + u32 seqno = i915_gem_get_seqno(dev); + + blt_ring_begin(dev, ring, 4); + intel_ring_emit(dev, ring, MI_STORE_DWORD_INDEX); + intel_ring_emit(dev, ring, + I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT); + intel_ring_emit(dev, ring, seqno); + intel_ring_emit(dev, ring, MI_USER_INTERRUPT); + intel_ring_advance(dev, ring); + + DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno); + return seqno; +} + +static void blt_ring_cleanup(struct intel_ring_buffer *ring) +{ + if (!ring->private) + return; + + i915_gem_object_unpin(ring->private); + drm_gem_object_unreference(ring->private); + ring->private = NULL; +} + static const struct intel_ring_buffer gen6_blt_ring = { .name = "blt ring", .id = RING_BLT, .mmio_base = BLT_RING_BASE, .size = 32 * PAGE_SIZE, - .init = init_ring_common, + .init = blt_ring_init, .write_tail = ring_write_tail, - .flush = gen6_ring_flush, - .add_request = ring_add_request, + .flush = blt_ring_flush, + .add_request = blt_ring_add_request, .get_seqno = ring_status_page_get_seqno, .user_irq_get = blt_ring_get_user_irq, .user_irq_put = blt_ring_put_user_irq, .dispatch_gem_execbuffer = gen6_ring_dispatch_gem_execbuffer, + .cleanup = blt_ring_cleanup, }; int intel_init_render_ring_buffer(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index a05aff0e5764..3126c2681983 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -63,6 +63,7 @@ struct intel_ring_buffer { struct drm_i915_gem_execbuffer2 *exec, struct drm_clip_rect *cliprects, uint64_t exec_offset); + void (*cleanup)(struct intel_ring_buffer *ring); /** * List of objects currently involved in rendering from the @@ -98,6 +99,8 @@ struct intel_ring_buffer { wait_queue_head_t irq_queue; drm_local_map_t map; + + void *private; }; static inline u32 diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f12a5b3ec050..488c36c8f5e6 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2033,7 +2033,7 @@ int evergreen_irq_set(struct radeon_device *rdev) u32 grbm_int_cntl = 0; if (!rdev->irq.installed) { - WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); return -EINVAL; } /* don't enable anything if the ih is disabled */ @@ -2295,6 +2295,7 @@ restart_ih: case 0: /* D1 vblank */ if (disp_int & LB_D1_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 0); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int &= ~LB_D1_VBLANK_INTERRUPT; DRM_DEBUG("IH: D1 vblank\n"); @@ -2316,6 +2317,7 @@ restart_ih: case 0: /* D2 vblank */ if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 1); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; DRM_DEBUG("IH: D2 vblank\n"); @@ -2337,6 +2339,7 @@ restart_ih: case 0: /* D3 vblank */ if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 2); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; DRM_DEBUG("IH: D3 vblank\n"); @@ -2358,6 +2361,7 @@ restart_ih: case 0: /* D4 vblank */ if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 3); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; DRM_DEBUG("IH: D4 vblank\n"); @@ -2379,6 +2383,7 @@ restart_ih: case 0: /* D5 vblank */ if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 4); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; DRM_DEBUG("IH: D5 vblank\n"); @@ -2400,6 +2405,7 @@ restart_ih: case 0: /* D6 vblank */ if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { drm_handle_vblank(rdev->ddev, 5); + rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; DRM_DEBUG("IH: D6 vblank\n"); diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 0e8f28a68927..8e10aa9f74b0 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -442,7 +442,7 @@ int r100_pci_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.ram.ptr) { - WARN(1, "R100 PCI GART already initialized.\n"); + WARN(1, "R100 PCI GART already initialized\n"); return 0; } /* Initialize common gart structure */ @@ -516,7 +516,7 @@ int r100_irq_set(struct radeon_device *rdev) uint32_t tmp = 0; if (!rdev->irq.installed) { - WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); WREG32(R_000040_GEN_INT_CNTL, 0); return -EINVAL; } diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 34527e600fe9..cde1d3480d93 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -91,7 +91,7 @@ int rv370_pcie_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.vram.robj) { - WARN(1, "RV370 PCIE GART already initialized.\n"); + WARN(1, "RV370 PCIE GART already initialized\n"); return 0; } /* Initialize common gart structure */ diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 33952a12f0a3..0f806cc7dc75 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -97,14 +97,8 @@ u32 rv6xx_get_temp(struct radeon_device *rdev) { u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> ASIC_T_SHIFT; - u32 actual_temp = 0; - if ((temp >> 7) & 1) - actual_temp = 0; - else - actual_temp = (temp >> 1) & 0xff; - - return actual_temp * 1000; + return temp * 1000; } void r600_pm_get_dynpm_state(struct radeon_device *rdev) @@ -919,7 +913,7 @@ int r600_pcie_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.vram.robj) { - WARN(1, "R600 PCIE GART already initialized.\n"); + WARN(1, "R600 PCIE GART already initialized\n"); return 0; } /* Initialize common gart structure */ @@ -2995,7 +2989,7 @@ int r600_irq_set(struct radeon_device *rdev) u32 hdmi1, hdmi2; if (!rdev->irq.installed) { - WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); return -EINVAL; } /* don't enable anything if the ih is disabled */ diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 04cac7ec9039..87ead090c7d5 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -526,8 +526,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) if (crev < 2) return false; - router.valid = false; - obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset); path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *) (ctx->bios + data_offset + @@ -624,6 +622,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) if (connector_type == DRM_MODE_CONNECTOR_Unknown) continue; + router.ddc_valid = false; + router.cd_valid = false; for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) { uint8_t grph_obj_id, grph_obj_num, grph_obj_type; @@ -647,9 +647,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) usDeviceTag)); } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) { - router.valid = false; for (k = 0; k < router_obj->ucNumberOfObjects; k++) { - u16 router_obj_id = le16_to_cpu(router_obj->asObjects[j].usObjectID); + u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID); if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) { ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *) (ctx->bios + data_offset + @@ -657,6 +656,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) ATOM_I2C_RECORD *i2c_record; ATOM_I2C_ID_CONFIG_ACCESS *i2c_config; ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path; + ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path; ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table = (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *) (ctx->bios + data_offset + @@ -690,10 +690,18 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE: ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *) record; - router.valid = true; - router.mux_type = ddc_path->ucMuxType; - router.mux_control_pin = ddc_path->ucMuxControlPin; - router.mux_state = ddc_path->ucMuxState[enum_id]; + router.ddc_valid = true; + router.ddc_mux_type = ddc_path->ucMuxType; + router.ddc_mux_control_pin = ddc_path->ucMuxControlPin; + router.ddc_mux_state = ddc_path->ucMuxState[enum_id]; + break; + case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE: + cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *) + record; + router.cd_valid = true; + router.cd_mux_type = cd_path->ucMuxType; + router.cd_mux_control_pin = cd_path->ucMuxControlPin; + router.cd_mux_state = cd_path->ucMuxState[enum_id]; break; } record = (ATOM_COMMON_RECORD_HEADER *) @@ -860,7 +868,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE; struct radeon_router router; - router.valid = false; + router.ddc_valid = false; + router.cd_valid = false; bios_connectors = kzalloc(bc_size, GFP_KERNEL); if (!bios_connectors) diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 4dac4b0a02ee..fe6c74780f18 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -183,13 +183,13 @@ radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, continue; if (priority == true) { - DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); - DRM_INFO("in favor of %s\n", drm_get_connector_name(connector)); + DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); + DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector)); conflict->status = connector_status_disconnected; radeon_connector_update_scratch_regs(conflict, connector_status_disconnected); } else { - DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); - DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict)); + DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector)); + DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict)); current_status = connector_status_disconnected; } break; @@ -432,13 +432,13 @@ static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, mode->vdisplay == native_mode->vdisplay) { *native_mode = *mode; drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V); - DRM_INFO("Determined LVDS native mode details from EDID\n"); + DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n"); break; } } } if (!native_mode->clock) { - DRM_INFO("No LVDS native mode details, disabling RMX\n"); + DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n"); radeon_encoder->rmx_type = RMX_OFF; } } @@ -1116,7 +1116,7 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_connector->shared_ddc = true; shared_ddc = true; } - if (radeon_connector->router_bus && router->valid && + if (radeon_connector->router_bus && router->ddc_valid && (radeon_connector->router.router_id == router->router_id)) { radeon_connector->shared_ddc = false; shared_ddc = false; @@ -1136,7 +1136,7 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; radeon_connector->router = *router; - if (router->valid) { + if (router->ddc_valid || router->cd_valid) { radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); if (!radeon_connector->router_bus) goto failed; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 0383631da69c..1df4dc6c063c 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -315,10 +315,14 @@ static void radeon_print_display_setup(struct drm_device *dev) radeon_connector->ddc_bus->rec.en_data_reg, radeon_connector->ddc_bus->rec.y_clk_reg, radeon_connector->ddc_bus->rec.y_data_reg); - if (radeon_connector->router_bus) + if (radeon_connector->router.ddc_valid) DRM_INFO(" DDC Router 0x%x/0x%x\n", - radeon_connector->router.mux_control_pin, - radeon_connector->router.mux_state); + radeon_connector->router.ddc_mux_control_pin, + radeon_connector->router.ddc_mux_state); + if (radeon_connector->router.cd_valid) + DRM_INFO(" Clock/Data Router 0x%x/0x%x\n", + radeon_connector->router.cd_mux_control_pin, + radeon_connector->router.cd_mux_state); } else { if (connector->connector_type == DRM_MODE_CONNECTOR_VGA || connector->connector_type == DRM_MODE_CONNECTOR_DVII || @@ -398,8 +402,8 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) int ret = 0; /* on hw with routers, select right port */ - if (radeon_connector->router.valid) - radeon_router_select_port(radeon_connector); + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { @@ -432,8 +436,8 @@ static int radeon_ddc_dump(struct drm_connector *connector) int ret = 0; /* on hw with routers, select right port */ - if (radeon_connector->router.valid) - radeon_router_select_port(radeon_connector); + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); if (!radeon_connector->ddc_bus) return -1; diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index ae58b6849a2e..f678257c42e6 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -1520,6 +1520,7 @@ radeon_atom_dac_detect(struct drm_encoder *encoder, struct drm_connector *connec static void radeon_atom_encoder_prepare(struct drm_encoder *encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); if (radeon_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) { @@ -1531,6 +1532,13 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder) radeon_atom_output_lock(encoder, true); radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); + /* select the clock/data port if it uses a router */ + if (connector) { + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + if (radeon_connector->router.cd_valid) + radeon_router_select_cd_port(radeon_connector); + } + /* this is needed for the pll/ss setup to work correctly in some cases */ atombios_set_encoder_crtc_source(encoder); } @@ -1547,6 +1555,23 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder) struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig; + + /* check for pre-DCE3 cards with shared encoders; + * can't really use the links individually, so don't disable + * the encoder if it's in use by another connector + */ + if (!ASIC_IS_DCE3(rdev)) { + struct drm_encoder *other_encoder; + struct radeon_encoder *other_radeon_encoder; + + list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) { + other_radeon_encoder = to_radeon_encoder(other_encoder); + if ((radeon_encoder->encoder_id == other_radeon_encoder->encoder_id) && + drm_helper_encoder_in_use(other_encoder)) + goto disable_done; + } + } + radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF); switch (radeon_encoder->encoder_id) { @@ -1586,6 +1611,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder) break; } +disable_done: if (radeon_encoder_is_digital(encoder)) { if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) r600_hdmi_disable(encoder); diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 216392d0353b..daacb281dfaf 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -240,7 +240,8 @@ retry: */ if (seq == rdev->fence_drv.last_seq && radeon_gpu_is_lockup(rdev)) { /* good news we believe it's a lockup */ - WARN(1, "GPU lockup (waiting for 0x%08X last fence id 0x%08X)\n", fence->seq, seq); + WARN(1, "GPU lockup (waiting for 0x%08X last fence id 0x%08X)\n", + fence->seq, seq); /* FIXME: what should we do ? marking everyone * as signaled for now */ diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index 6a13ee38a5b9..0cfbba02c4d0 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -53,8 +53,8 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector) }; /* on hw with routers, select right port */ - if (radeon_connector->router.valid) - radeon_router_select_port(radeon_connector); + if (radeon_connector->router.ddc_valid) + radeon_router_select_ddc_port(radeon_connector); ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); if (ret == 2) @@ -1084,26 +1084,51 @@ void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c_bus, addr, val); } -/* router switching */ -void radeon_router_select_port(struct radeon_connector *radeon_connector) +/* ddc router switching */ +void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector) { u8 val; - if (!radeon_connector->router.valid) + if (!radeon_connector->router.ddc_valid) return; radeon_i2c_get_byte(radeon_connector->router_bus, radeon_connector->router.i2c_addr, 0x3, &val); - val &= radeon_connector->router.mux_control_pin; + val &= ~radeon_connector->router.ddc_mux_control_pin; radeon_i2c_put_byte(radeon_connector->router_bus, radeon_connector->router.i2c_addr, 0x3, val); radeon_i2c_get_byte(radeon_connector->router_bus, radeon_connector->router.i2c_addr, 0x1, &val); - val &= radeon_connector->router.mux_control_pin; - val |= radeon_connector->router.mux_state; + val &= ~radeon_connector->router.ddc_mux_control_pin; + val |= radeon_connector->router.ddc_mux_state; + radeon_i2c_put_byte(radeon_connector->router_bus, + radeon_connector->router.i2c_addr, + 0x1, val); +} + +/* clock/data router switching */ +void radeon_router_select_cd_port(struct radeon_connector *radeon_connector) +{ + u8 val; + + if (!radeon_connector->router.cd_valid) + return; + + radeon_i2c_get_byte(radeon_connector->router_bus, + radeon_connector->router.i2c_addr, + 0x3, &val); + val &= ~radeon_connector->router.cd_mux_control_pin; + radeon_i2c_put_byte(radeon_connector->router_bus, + radeon_connector->router.i2c_addr, + 0x3, val); + radeon_i2c_get_byte(radeon_connector->router_bus, + radeon_connector->router.i2c_addr, + 0x1, &val); + val &= ~radeon_connector->router.cd_mux_control_pin; + val |= radeon_connector->router.cd_mux_state; radeon_i2c_put_byte(radeon_connector->router_bus, radeon_connector->router.i2c_addr, 0x1, val); diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 92457163d070..680f57644e86 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -401,13 +401,19 @@ struct radeon_hpd { }; struct radeon_router { - bool valid; u32 router_id; struct radeon_i2c_bus_rec i2c_info; u8 i2c_addr; - u8 mux_type; - u8 mux_control_pin; - u8 mux_state; + /* i2c mux */ + bool ddc_valid; + u8 ddc_mux_type; + u8 ddc_mux_control_pin; + u8 ddc_mux_state; + /* clock/data mux */ + bool cd_valid; + u8 cd_mux_type; + u8 cd_mux_control_pin; + u8 cd_mux_state; }; struct radeon_connector { @@ -488,7 +494,8 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c, u8 slave_addr, u8 addr, u8 val); -extern void radeon_router_select_port(struct radeon_connector *radeon_connector); +extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector); +extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector); extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector); extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector); diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index d7ab91416410..8eb183466015 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -102,6 +102,8 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, type = ttm_bo_type_device; } *bo_ptr = NULL; + +retry: bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL); if (bo == NULL) return -ENOMEM; @@ -109,8 +111,6 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, bo->gobj = gobj; bo->surface_reg = -1; INIT_LIST_HEAD(&bo->list); - -retry: radeon_ttm_placement_from_domain(bo, domain); /* Kernel allocation are uninterruptible */ mutex_lock(&rdev->vram_mutex); diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index fe95bb35317e..01c2c736a1da 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -689,7 +689,8 @@ static int radeon_ttm_backend_bind(struct ttm_backend *backend, gtt = container_of(backend, struct radeon_ttm_backend, backend); gtt->offset = bo_mem->start << PAGE_SHIFT; if (!gtt->num_pages) { - WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n", gtt->num_pages, bo_mem, backend); + WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n", + gtt->num_pages, bo_mem, backend); } r = radeon_gart_bind(gtt->rdev, gtt->offset, gtt->num_pages, gtt->pages); diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c index f683e51a2a06..5512e4e5e636 100644 --- a/drivers/gpu/drm/radeon/rs400.c +++ b/drivers/gpu/drm/radeon/rs400.c @@ -78,7 +78,7 @@ int rs400_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.ram.ptr) { - WARN(1, "RS400 GART already initialized.\n"); + WARN(1, "RS400 GART already initialized\n"); return 0; } /* Check gart size */ diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index b091a1f6fa4e..f1c6e02c2e6b 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -375,7 +375,7 @@ int rs600_gart_init(struct radeon_device *rdev) int r; if (rdev->gart.table.vram.robj) { - WARN(1, "RS600 GART already initialized.\n"); + WARN(1, "RS600 GART already initialized\n"); return 0; } /* Initialize common gart structure */ @@ -505,7 +505,7 @@ int rs600_irq_set(struct radeon_device *rdev) ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); if (!rdev->irq.installed) { - WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); WREG32(R_000040_GEN_INT_CNTL, 0); return -EINVAL; } diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index a1cb783c7131..3ca77dc03915 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -27,14 +27,6 @@ /* * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com> */ -/* Notes: - * - * We store bo pointer in drm_mm_node struct so we know which bo own a - * specific node. There is no protection on the pointer, thus to make - * sure things don't go berserk you have to access this pointer while - * holding the global lru lock and make sure anytime you free a node you - * reset the pointer to NULL. - */ #include "ttm/ttm_module.h" #include "ttm/ttm_bo_driver.h" @@ -45,6 +37,7 @@ #include <linux/mm.h> #include <linux/file.h> #include <linux/module.h> +#include <asm/atomic.h> #define TTM_ASSERT_LOCKED(param) #define TTM_DEBUG(fmt, arg...) @@ -452,6 +445,11 @@ static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo) ttm_bo_mem_put(bo, &bo->mem); atomic_set(&bo->reserved, 0); + + /* + * Make processes trying to reserve really pick it up. + */ + smp_mb__after_atomic_dec(); wake_up_all(&bo->event_queue); } @@ -460,7 +458,7 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo) struct ttm_bo_device *bdev = bo->bdev; struct ttm_bo_global *glob = bo->glob; struct ttm_bo_driver *driver; - void *sync_obj; + void *sync_obj = NULL; void *sync_obj_arg; int put_count; int ret; @@ -495,17 +493,20 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo) spin_lock(&glob->lru_lock); } queue: - sync_obj = bo->sync_obj; - sync_obj_arg = bo->sync_obj_arg; driver = bdev->driver; + if (bo->sync_obj) + sync_obj = driver->sync_obj_ref(bo->sync_obj); + sync_obj_arg = bo->sync_obj_arg; kref_get(&bo->list_kref); list_add_tail(&bo->ddestroy, &bdev->ddestroy); spin_unlock(&glob->lru_lock); spin_unlock(&bo->lock); - if (sync_obj) + if (sync_obj) { driver->sync_obj_flush(sync_obj, sync_obj_arg); + driver->sync_obj_unref(&sync_obj); + } schedule_delayed_work(&bdev->wq, ((HZ / 100) < 1) ? 1 : HZ / 100); } @@ -822,7 +823,6 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo, bool no_wait_gpu) { struct ttm_bo_device *bdev = bo->bdev; - struct ttm_bo_global *glob = bdev->glob; struct ttm_mem_type_manager *man = &bdev->man[mem_type]; int ret; @@ -832,12 +832,6 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo, return ret; if (mem->mm_node) break; - spin_lock(&glob->lru_lock); - if (list_empty(&man->lru)) { - spin_unlock(&glob->lru_lock); - break; - } - spin_unlock(&glob->lru_lock); ret = ttm_mem_evict_first(bdev, mem_type, interruptible, no_wait_reserve, no_wait_gpu); if (unlikely(ret != 0)) @@ -1125,35 +1119,9 @@ EXPORT_SYMBOL(ttm_bo_validate); int ttm_bo_check_placement(struct ttm_buffer_object *bo, struct ttm_placement *placement) { - int i; + BUG_ON((placement->fpfn || placement->lpfn) && + (bo->mem.num_pages > (placement->lpfn - placement->fpfn))); - if (placement->fpfn || placement->lpfn) { - if (bo->mem.num_pages > (placement->lpfn - placement->fpfn)) { - printk(KERN_ERR TTM_PFX "Page number range to small " - "Need %lu pages, range is [%u, %u]\n", - bo->mem.num_pages, placement->fpfn, - placement->lpfn); - return -EINVAL; - } - } - for (i = 0; i < placement->num_placement; i++) { - if (!capable(CAP_SYS_ADMIN)) { - if (placement->placement[i] & TTM_PL_FLAG_NO_EVICT) { - printk(KERN_ERR TTM_PFX "Need to be root to " - "modify NO_EVICT status.\n"); - return -EINVAL; - } - } - } - for (i = 0; i < placement->num_busy_placement; i++) { - if (!capable(CAP_SYS_ADMIN)) { - if (placement->busy_placement[i] & TTM_PL_FLAG_NO_EVICT) { - printk(KERN_ERR TTM_PFX "Need to be root to " - "modify NO_EVICT status.\n"); - return -EINVAL; - } - } - } return 0; } @@ -1176,6 +1144,10 @@ int ttm_bo_init(struct ttm_bo_device *bdev, num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; if (num_pages == 0) { printk(KERN_ERR TTM_PFX "Illegal buffer object size.\n"); + if (destroy) + (*destroy)(bo); + else + kfree(bo); return -EINVAL; } bo->destroy = destroy; @@ -1369,18 +1341,9 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type, int ret = -EINVAL; struct ttm_mem_type_manager *man; - if (type >= TTM_NUM_MEM_TYPES) { - printk(KERN_ERR TTM_PFX "Illegal memory type %d\n", type); - return ret; - } - + BUG_ON(type >= TTM_NUM_MEM_TYPES); man = &bdev->man[type]; - if (man->has_type) { - printk(KERN_ERR TTM_PFX - "Memory manager already initialized for type %d\n", - type); - return ret; - } + BUG_ON(man->has_type); ret = bdev->driver->init_mem_type(bdev, type, man); if (ret) @@ -1389,13 +1352,6 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type, ret = 0; if (type != TTM_PL_SYSTEM) { - if (!p_size) { - printk(KERN_ERR TTM_PFX - "Zero size memory manager type %d\n", - type); - return ret; - } - ret = (*man->func->init)(man, p_size); if (ret) return ret; diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c index 7410c190c891..038e947d00f9 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_manager.c +++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright (c) 2007-2009 VMware, Inc., Palo Alto, CA., USA + * Copyright (c) 2007-2010 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -31,20 +31,29 @@ #include "ttm/ttm_module.h" #include "ttm/ttm_bo_driver.h" #include "ttm/ttm_placement.h" -#include <linux/jiffies.h> +#include "drm_mm.h" #include <linux/slab.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/file.h> +#include <linux/spinlock.h> #include <linux/module.h> +/** + * Currently we use a spinlock for the lock, but a mutex *may* be + * more appropriate to reduce scheduling latency if the range manager + * ends up with very fragmented allocation patterns. + */ + +struct ttm_range_manager { + struct drm_mm mm; + spinlock_t lock; +}; + static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, struct ttm_mem_reg *mem) { - struct ttm_bo_global *glob = man->bdev->glob; - struct drm_mm *mm = man->priv; + struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; + struct drm_mm *mm = &rman->mm; struct drm_mm_node *node = NULL; unsigned long lpfn; int ret; @@ -57,19 +66,19 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, if (unlikely(ret)) return ret; - spin_lock(&glob->lru_lock); + spin_lock(&rman->lock); node = drm_mm_search_free_in_range(mm, mem->num_pages, mem->page_alignment, placement->fpfn, lpfn, 1); if (unlikely(node == NULL)) { - spin_unlock(&glob->lru_lock); + spin_unlock(&rman->lock); return 0; } node = drm_mm_get_block_atomic_range(node, mem->num_pages, - mem->page_alignment, - placement->fpfn, - lpfn); - spin_unlock(&glob->lru_lock); + mem->page_alignment, + placement->fpfn, + lpfn); + spin_unlock(&rman->lock); } while (node == NULL); mem->mm_node = node; @@ -80,12 +89,12 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, static void ttm_bo_man_put_node(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) { - struct ttm_bo_global *glob = man->bdev->glob; + struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; if (mem->mm_node) { - spin_lock(&glob->lru_lock); + spin_lock(&rman->lock); drm_mm_put_block(mem->mm_node); - spin_unlock(&glob->lru_lock); + spin_unlock(&rman->lock); mem->mm_node = NULL; } } @@ -93,49 +102,49 @@ static void ttm_bo_man_put_node(struct ttm_mem_type_manager *man, static int ttm_bo_man_init(struct ttm_mem_type_manager *man, unsigned long p_size) { - struct drm_mm *mm; + struct ttm_range_manager *rman; int ret; - mm = kzalloc(sizeof(*mm), GFP_KERNEL); - if (!mm) + rman = kzalloc(sizeof(*rman), GFP_KERNEL); + if (!rman) return -ENOMEM; - ret = drm_mm_init(mm, 0, p_size); + ret = drm_mm_init(&rman->mm, 0, p_size); if (ret) { - kfree(mm); + kfree(rman); return ret; } - man->priv = mm; + spin_lock_init(&rman->lock); + man->priv = rman; return 0; } static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man) { - struct ttm_bo_global *glob = man->bdev->glob; - struct drm_mm *mm = man->priv; - int ret = 0; + struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; + struct drm_mm *mm = &rman->mm; - spin_lock(&glob->lru_lock); + spin_lock(&rman->lock); if (drm_mm_clean(mm)) { drm_mm_takedown(mm); - kfree(mm); + spin_unlock(&rman->lock); + kfree(rman); man->priv = NULL; - } else - ret = -EBUSY; - spin_unlock(&glob->lru_lock); - return ret; + return 0; + } + spin_unlock(&rman->lock); + return -EBUSY; } static void ttm_bo_man_debug(struct ttm_mem_type_manager *man, const char *prefix) { - struct ttm_bo_global *glob = man->bdev->glob; - struct drm_mm *mm = man->priv; + struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; - spin_lock(&glob->lru_lock); - drm_mm_debug_table(mm, prefix); - spin_unlock(&glob->lru_lock); + spin_lock(&rman->lock); + drm_mm_debug_table(&rman->mm, prefix); + spin_unlock(&rman->lock); } const struct ttm_mem_type_manager_func ttm_bo_manager_func = { diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index a7bab87a548b..af789dc869b9 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -440,10 +440,8 @@ int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) return ret; ret = be->func->bind(be, bo_mem); - if (ret) { - printk(KERN_ERR TTM_PFX "Couldn't bind backend.\n"); + if (unlikely(ret != 0)) return ret; - } ttm->state = tt_bound; diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c index 9b5b4d9dd62c..3e038a394c51 100644 --- a/drivers/gpu/drm/via/via_dmablit.c +++ b/drivers/gpu/drm/via/via_dmablit.c @@ -235,9 +235,9 @@ via_lock_all_dma_pages(drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer) vsg->num_pages = VIA_PFN(xfer->mem_addr + (xfer->num_lines * xfer->mem_stride - 1)) - first_pfn + 1; - if (NULL == (vsg->pages = vmalloc(sizeof(struct page *) * vsg->num_pages))) + vsg->pages = vzalloc(sizeof(struct page *) * vsg->num_pages); + if (NULL == vsg->pages) return -ENOMEM; - memset(vsg->pages, 0, sizeof(struct page *) * vsg->num_pages); down_read(¤t->mm->mmap_sem); ret = get_user_pages(current, current->mm, (unsigned long)xfer->mem_addr, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 51d9f9f1d7f2..76954e3528c1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -691,6 +691,7 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data, fence_rep.error = ret; fence_rep.fence_seq = (uint64_t) sequence; + fence_rep.pad64 = 0; user_fence_rep = (struct drm_vmw_fence_rep __user *) (unsigned long)arg->fence_rep; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 87c6e6156d7d..cceeb42789b6 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -720,6 +720,8 @@ static int vmw_surface_dmabuf_pin(struct vmw_framebuffer *vfb) &vmw_vram_ne_placement, false, &vmw_dmabuf_bo_free); vmw_overlay_resume_all(dev_priv); + if (unlikely(ret != 0)) + vfbs->buffer = NULL; return ret; } @@ -730,6 +732,9 @@ static int vmw_surface_dmabuf_unpin(struct vmw_framebuffer *vfb) struct vmw_framebuffer_surface *vfbs = vmw_framebuffer_to_vfbs(&vfb->base); + if (unlikely(vfbs->buffer == NULL)) + return 0; + bo = &vfbs->buffer->base; ttm_bo_unref(&bo); vfbs->buffer = NULL; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index a01c47ddb5bc..29113c9b26a8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -557,7 +557,7 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) return -EINVAL; } - dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv)); + dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL); if (!dev_priv->ldu_priv) return -ENOMEM; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c index df2036ed18d5..f1a52f9e7298 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c @@ -585,7 +585,7 @@ int vmw_overlay_init(struct vmw_private *dev_priv) return -ENOSYS; } - overlay = kmalloc(GFP_KERNEL, sizeof(*overlay)); + overlay = kmalloc(sizeof(*overlay), GFP_KERNEL); if (!overlay) return -ENOMEM; diff --git a/drivers/gpu/stub/Kconfig b/drivers/gpu/stub/Kconfig index 742c423567cf..0e1edd7311ff 100644 --- a/drivers/gpu/stub/Kconfig +++ b/drivers/gpu/stub/Kconfig @@ -3,6 +3,9 @@ config STUB_POULSBO depends on PCI # Poulsbo stub depends on ACPI_VIDEO when ACPI is enabled # but for select to work, need to select ACPI_VIDEO's dependencies, ick + select VIDEO_OUTPUT_CONTROL if ACPI + select BACKLIGHT_CLASS_DEVICE if ACPI + select INPUT if ACPI select ACPI_VIDEO if ACPI help Choose this option if you have a system that has Intel GMA500 diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c index 1e4c21fc1a89..86d822aa9bbf 100644 --- a/drivers/hwmon/ad7414.c +++ b/drivers/hwmon/ad7414.c @@ -178,11 +178,13 @@ static int ad7414_probe(struct i2c_client *client, { struct ad7414_data *data; int conf; - int err = 0; + int err; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA | - I2C_FUNC_SMBUS_READ_WORD_DATA)) + I2C_FUNC_SMBUS_READ_WORD_DATA)) { + err = -EOPNOTSUPP; goto exit; + } data = kzalloc(sizeof(struct ad7414_data), GFP_KERNEL); if (!data) { diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 9e775717abb7..87d92a56a939 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -1286,8 +1286,10 @@ static int adt7470_probe(struct i2c_client *client, init_completion(&data->auto_update_stop); data->auto_update = kthread_run(adt7470_update_thread, client, dev_name(data->hwmon_dev)); - if (IS_ERR(data->auto_update)) + if (IS_ERR(data->auto_update)) { + err = PTR_ERR(data->auto_update); goto exit_unregister; + } return 0; diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index aa701a183707..f141a1de519c 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -376,10 +376,6 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data, } } - err = sysfs_create_group(&pdev->dev.kobj, &gpio_fan_ctrl_group); - if (err) - goto err_free_gpio; - fan_data->num_ctrl = num_ctrl; fan_data->ctrl = ctrl; fan_data->num_speed = pdata->num_speed; @@ -391,6 +387,10 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data, goto err_free_gpio; } + err = sysfs_create_group(&pdev->dev.kobj, &gpio_fan_ctrl_group); + if (err) + goto err_free_gpio; + return 0; err_free_gpio: diff --git a/drivers/input/input.c b/drivers/input/input.c index d092ef9291da..7f26ca6ecf75 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -74,6 +74,7 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz) * dev->event_lock held and interrupts disabled. */ static void input_pass_event(struct input_dev *dev, + struct input_handler *src_handler, unsigned int type, unsigned int code, int value) { struct input_handler *handler; @@ -92,6 +93,15 @@ static void input_pass_event(struct input_dev *dev, continue; handler = handle->handler; + + /* + * If this is the handler that injected this + * particular event we want to skip it to avoid + * filters firing again and again. + */ + if (handler == src_handler) + continue; + if (!handler->filter) { if (filtered) break; @@ -121,7 +131,7 @@ static void input_repeat_key(unsigned long data) if (test_bit(dev->repeat_key, dev->key) && is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) { - input_pass_event(dev, EV_KEY, dev->repeat_key, 2); + input_pass_event(dev, NULL, EV_KEY, dev->repeat_key, 2); if (dev->sync) { /* @@ -130,7 +140,7 @@ static void input_repeat_key(unsigned long data) * Otherwise assume that the driver will send * SYN_REPORT once it's done. */ - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); } if (dev->rep[REP_PERIOD]) @@ -163,6 +173,7 @@ static void input_stop_autorepeat(struct input_dev *dev) #define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE) static int input_handle_abs_event(struct input_dev *dev, + struct input_handler *src_handler, unsigned int code, int *pval) { bool is_mt_event; @@ -206,13 +217,15 @@ static int input_handle_abs_event(struct input_dev *dev, /* Flush pending "slot" event */ if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { input_abs_set_val(dev, ABS_MT_SLOT, dev->slot); - input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot); + input_pass_event(dev, src_handler, + EV_ABS, ABS_MT_SLOT, dev->slot); } return INPUT_PASS_TO_HANDLERS; } static void input_handle_event(struct input_dev *dev, + struct input_handler *src_handler, unsigned int type, unsigned int code, int value) { int disposition = INPUT_IGNORE_EVENT; @@ -265,7 +278,8 @@ static void input_handle_event(struct input_dev *dev, case EV_ABS: if (is_event_supported(code, dev->absbit, ABS_MAX)) - disposition = input_handle_abs_event(dev, code, &value); + disposition = input_handle_abs_event(dev, src_handler, + code, &value); break; @@ -323,7 +337,7 @@ static void input_handle_event(struct input_dev *dev, dev->event(dev, type, code, value); if (disposition & INPUT_PASS_TO_HANDLERS) - input_pass_event(dev, type, code, value); + input_pass_event(dev, src_handler, type, code, value); } /** @@ -352,7 +366,7 @@ void input_event(struct input_dev *dev, spin_lock_irqsave(&dev->event_lock, flags); add_input_randomness(type, code, value); - input_handle_event(dev, type, code, value); + input_handle_event(dev, NULL, type, code, value); spin_unlock_irqrestore(&dev->event_lock, flags); } } @@ -382,7 +396,8 @@ void input_inject_event(struct input_handle *handle, rcu_read_lock(); grab = rcu_dereference(dev->grab); if (!grab || grab == handle) - input_handle_event(dev, type, code, value); + input_handle_event(dev, handle->handler, + type, code, value); rcu_read_unlock(); spin_unlock_irqrestore(&dev->event_lock, flags); @@ -595,10 +610,10 @@ static void input_dev_release_keys(struct input_dev *dev) for (code = 0; code <= KEY_MAX; code++) { if (is_event_supported(code, dev->keybit, KEY_MAX) && __test_and_clear_bit(code, dev->key)) { - input_pass_event(dev, EV_KEY, code, 0); + input_pass_event(dev, NULL, EV_KEY, code, 0); } } - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); } } @@ -873,9 +888,9 @@ int input_set_keycode(struct input_dev *dev, !is_event_supported(old_keycode, dev->keybit, KEY_MAX) && __test_and_clear_bit(old_keycode, dev->key)) { - input_pass_event(dev, EV_KEY, old_keycode, 0); + input_pass_event(dev, NULL, EV_KEY, old_keycode, 0); if (dev->sync) - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); } out: @@ -1565,8 +1580,7 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env) } \ } while (0) -#ifdef CONFIG_PM -static void input_dev_reset(struct input_dev *dev, bool activate) +static void input_dev_toggle(struct input_dev *dev, bool activate) { if (!dev->event) return; @@ -1580,12 +1594,44 @@ static void input_dev_reset(struct input_dev *dev, bool activate) } } +/** + * input_reset_device() - reset/restore the state of input device + * @dev: input device whose state needs to be reset + * + * This function tries to reset the state of an opened input device and + * bring internal state and state if the hardware in sync with each other. + * We mark all keys as released, restore LED state, repeat rate, etc. + */ +void input_reset_device(struct input_dev *dev) +{ + mutex_lock(&dev->mutex); + + if (dev->users) { + input_dev_toggle(dev, true); + + /* + * Keys that have been pressed at suspend time are unlikely + * to be still pressed when we resume. + */ + spin_lock_irq(&dev->event_lock); + input_dev_release_keys(dev); + spin_unlock_irq(&dev->event_lock); + } + + mutex_unlock(&dev->mutex); +} +EXPORT_SYMBOL(input_reset_device); + +#ifdef CONFIG_PM static int input_dev_suspend(struct device *dev) { struct input_dev *input_dev = to_input_dev(dev); mutex_lock(&input_dev->mutex); - input_dev_reset(input_dev, false); + + if (input_dev->users) + input_dev_toggle(input_dev, false); + mutex_unlock(&input_dev->mutex); return 0; @@ -1595,18 +1641,7 @@ static int input_dev_resume(struct device *dev) { struct input_dev *input_dev = to_input_dev(dev); - mutex_lock(&input_dev->mutex); - input_dev_reset(input_dev, true); - - /* - * Keys that have been pressed at suspend time are unlikely - * to be still pressed when we resume. - */ - spin_lock_irq(&input_dev->event_lock); - input_dev_release_keys(input_dev); - spin_unlock_irq(&input_dev->event_lock); - - mutex_unlock(&input_dev->mutex); + input_reset_device(input_dev); return 0; } diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index b92d1cd5cba1..af45d275f686 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -4,7 +4,7 @@ * I2C QWERTY Keypad and IO Expander * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2008-2009 Analog Devices Inc. + * Copyright (C) 2008-2010 Analog Devices Inc. * Licensed under the GPL-2 or later. */ @@ -24,29 +24,6 @@ #include <linux/i2c/adp5588.h> - /* Configuration Register1 */ -#define AUTO_INC (1 << 7) -#define GPIEM_CFG (1 << 6) -#define OVR_FLOW_M (1 << 5) -#define INT_CFG (1 << 4) -#define OVR_FLOW_IEN (1 << 3) -#define K_LCK_IM (1 << 2) -#define GPI_IEN (1 << 1) -#define KE_IEN (1 << 0) - -/* Interrupt Status Register */ -#define CMP2_INT (1 << 5) -#define CMP1_INT (1 << 4) -#define OVR_FLOW_INT (1 << 3) -#define K_LCK_INT (1 << 2) -#define GPI_INT (1 << 1) -#define KE_INT (1 << 0) - -/* Key Lock and Event Counter Register */ -#define K_LCK_EN (1 << 6) -#define LCK21 0x30 -#define KEC 0xF - /* Key Event Register xy */ #define KEY_EV_PRESSED (1 << 7) #define KEY_EV_MASK (0x7F) @@ -55,10 +32,6 @@ #define KEYP_MAX_EVENT 10 -#define MAXGPIO 18 -#define ADP_BANK(offs) ((offs) >> 3) -#define ADP_BIT(offs) (1u << ((offs) & 0x7)) - /* * Early pre 4.0 Silicon required to delay readout by at least 25ms, * since the Event Counter Register updated 25ms after the interrupt @@ -75,7 +48,7 @@ struct adp5588_kpad { const struct adp5588_gpi_map *gpimap; unsigned short gpimapsize; #ifdef CONFIG_GPIOLIB - unsigned char gpiomap[MAXGPIO]; + unsigned char gpiomap[ADP5588_MAXGPIO]; bool export_gpio; struct gpio_chip gc; struct mutex gpio_lock; /* Protect cached dir, dat_out */ @@ -103,8 +76,8 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val) static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off) { struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc); - unsigned int bank = ADP_BANK(kpad->gpiomap[off]); - unsigned int bit = ADP_BIT(kpad->gpiomap[off]); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]); return !!(adp5588_read(kpad->client, GPIO_DAT_STAT1 + bank) & bit); } @@ -113,8 +86,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip, unsigned off, int val) { struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc); - unsigned int bank = ADP_BANK(kpad->gpiomap[off]); - unsigned int bit = ADP_BIT(kpad->gpiomap[off]); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]); mutex_lock(&kpad->gpio_lock); @@ -132,8 +105,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip, static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off) { struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc); - unsigned int bank = ADP_BANK(kpad->gpiomap[off]); - unsigned int bit = ADP_BIT(kpad->gpiomap[off]); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]); int ret; mutex_lock(&kpad->gpio_lock); @@ -150,8 +123,8 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, unsigned off, int val) { struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc); - unsigned int bank = ADP_BANK(kpad->gpiomap[off]); - unsigned int bit = ADP_BIT(kpad->gpiomap[off]); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]); int ret; mutex_lock(&kpad->gpio_lock); @@ -176,7 +149,7 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad, const struct adp5588_kpad_platform_data *pdata) { - bool pin_used[MAXGPIO]; + bool pin_used[ADP5588_MAXGPIO]; int n_unused = 0; int i; @@ -191,7 +164,7 @@ static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad, for (i = 0; i < kpad->gpimapsize; i++) pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true; - for (i = 0; i < MAXGPIO; i++) + for (i = 0; i < ADP5588_MAXGPIO; i++) if (!pin_used[i]) kpad->gpiomap[n_unused++] = i; @@ -234,7 +207,7 @@ static int __devinit adp5588_gpio_add(struct adp5588_kpad *kpad) return error; } - for (i = 0; i <= ADP_BANK(MAXGPIO); i++) { + for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { kpad->dat_out[i] = adp5588_read(kpad->client, GPIO_DAT_OUT1 + i); kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i); @@ -318,11 +291,11 @@ static void adp5588_work(struct work_struct *work) status = adp5588_read(client, INT_STAT); - if (status & OVR_FLOW_INT) /* Unlikely and should never happen */ + if (status & ADP5588_OVR_FLOW_INT) /* Unlikely and should never happen */ dev_err(&client->dev, "Event Overflow Error\n"); - if (status & KE_INT) { - ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & KEC; + if (status & ADP5588_KE_INT) { + ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & ADP5588_KEC; if (ev_cnt) { adp5588_report_events(kpad, ev_cnt); input_sync(kpad->input); @@ -360,7 +333,7 @@ static int __devinit adp5588_setup(struct i2c_client *client) if (pdata->en_keylock) { ret |= adp5588_write(client, UNLOCK1, pdata->unlock_key1); ret |= adp5588_write(client, UNLOCK2, pdata->unlock_key2); - ret |= adp5588_write(client, KEY_LCK_EC_STAT, K_LCK_EN); + ret |= adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN); } for (i = 0; i < KEYP_MAX_EVENT; i++) @@ -384,7 +357,7 @@ static int __devinit adp5588_setup(struct i2c_client *client) } if (gpio_data) { - for (i = 0; i <= ADP_BANK(MAXGPIO); i++) { + for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { int pull_mask = gpio_data->pullup_dis_mask; ret |= adp5588_write(client, GPIO_PULL1 + i, @@ -392,11 +365,14 @@ static int __devinit adp5588_setup(struct i2c_client *client) } } - ret |= adp5588_write(client, INT_STAT, CMP2_INT | CMP1_INT | - OVR_FLOW_INT | K_LCK_INT | - GPI_INT | KE_INT); /* Status is W1C */ + ret |= adp5588_write(client, INT_STAT, + ADP5588_CMP2_INT | ADP5588_CMP1_INT | + ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT | + ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */ - ret |= adp5588_write(client, CFG, INT_CFG | OVR_FLOW_IEN | KE_IEN); + ret |= adp5588_write(client, CFG, ADP5588_INT_CFG | + ADP5588_OVR_FLOW_IEN | + ADP5588_KE_IEN); if (ret < 0) { dev_err(&client->dev, "Write Error\n"); diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index d358ef8623f4..11478eb2c27d 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -63,6 +63,10 @@ static bool atkbd_extra; module_param_named(extra, atkbd_extra, bool, 0); MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"); +static bool atkbd_terminal; +module_param_named(terminal, atkbd_terminal, bool, 0); +MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2"); + /* * Scancode to keycode tables. These are just the default setting, and * are loadable via a userland utility. @@ -136,7 +140,8 @@ static const unsigned short atkbd_unxlate_table[128] = { #define ATKBD_CMD_ENABLE 0x00f4 #define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */ #define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */ -#define ATKBD_CMD_SETALL_MBR 0x00fa +#define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */ +#define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */ #define ATKBD_CMD_RESET_BAT 0x02ff #define ATKBD_CMD_RESEND 0x00fe #define ATKBD_CMD_EX_ENABLE 0x10ea @@ -764,6 +769,11 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra } } + if (atkbd_terminal) { + ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB); + return 3; + } + if (target_set != 3) return 2; diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c index 4b42ffc0532a..d1583aea1721 100644 --- a/drivers/input/misc/pcf8574_keypad.c +++ b/drivers/input/misc/pcf8574_keypad.c @@ -127,14 +127,6 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2 idev->id.product = 0x0001; idev->id.version = 0x0100; - input_set_drvdata(idev, lp); - - ret = input_register_device(idev); - if (ret) { - dev_err(&client->dev, "input_register_device() failed\n"); - goto fail_register; - } - lp->laststate = read_state(lp); ret = request_threaded_irq(client->irq, NULL, pcf8574_kp_irq_handler, @@ -142,16 +134,21 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2 DRV_NAME, lp); if (ret) { dev_err(&client->dev, "IRQ %d is not free\n", client->irq); - goto fail_irq; + goto fail_free_device; + } + + ret = input_register_device(idev); + if (ret) { + dev_err(&client->dev, "input_register_device() failed\n"); + goto fail_free_irq; } i2c_set_clientdata(client, lp); return 0; - fail_irq: - input_unregister_device(idev); - fail_register: - input_set_drvdata(idev, NULL); + fail_free_irq: + free_irq(client->irq, lp); + fail_free_device: input_free_device(idev); fail_allocate: kfree(lp); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index ed7ad7416b24..a5475b577086 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -351,6 +351,17 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { }, }, { + /* + * Most (all?) VAIOs do not have external PS/2 ports nor + * they implement active multiplexing properly, and + * MUX discovery usually messes up keyboard/touchpad. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "VAIO"), + }, + }, + { /* Amoi M636/A737 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."), diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c index aea9a9399a36..d94f7e9aa997 100644 --- a/drivers/input/tablet/acecad.c +++ b/drivers/input/tablet/acecad.c @@ -229,12 +229,13 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_ err = input_register_device(acecad->input); if (err) - goto fail2; + goto fail3; usb_set_intfdata(intf, acecad); return 0; + fail3: usb_free_urb(acecad->irq); fail2: usb_free_coherent(dev, 8, acecad->data, acecad->data_dma); fail1: input_free_device(input_dev); kfree(acecad); diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index cc2a88d5192f..77b8fd20cd90 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -10,7 +10,7 @@ menuconfig NEW_LEDS if NEW_LEDS config LEDS_CLASS - tristate "LED Class Support" + bool "LED Class Support" help This option enables the led sysfs class in /sys/class/leds. You'll need this to do anything useful with LEDs. If unsure, say N. @@ -176,6 +176,24 @@ config LEDS_LP3944 To compile this driver as a module, choose M here: the module will be called leds-lp3944. +config LEDS_LP5521 + tristate "LED Support for N.S. LP5521 LED driver chip" + depends on LEDS_CLASS && I2C + help + If you say yes here you get support for the National Semiconductor + LP5521 LED driver. It is 3 channel chip with programmable engines. + Driver provides direct control via LED class and interface for + programming the engines. + +config LEDS_LP5523 + tristate "LED Support for N.S. LP5523 LED driver chip" + depends on LEDS_CLASS && I2C + help + If you say yes here you get support for the National Semiconductor + LP5523 LED driver. It is 9 channel chip with programmable engines. + Driver provides direct control via LED class and interface for + programming the engines. + config LEDS_CLEVO_MAIL tristate "Mail LED on Clevo notebook" depends on X86 && SERIO_I8042 && DMI diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 9c96db40ef6d..aae6989ff6b6 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -23,6 +23,8 @@ obj-$(CONFIG_LEDS_SUNFIRE) += leds-sunfire.o obj-$(CONFIG_LEDS_PCA9532) += leds-pca9532.o obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o obj-$(CONFIG_LEDS_LP3944) += leds-lp3944.o +obj-$(CONFIG_LEDS_LP5521) += leds-lp5521.o +obj-$(CONFIG_LEDS_LP5523) += leds-lp5523.o obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o obj-$(CONFIG_LEDS_FSG) += leds-fsg.o diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 260660076507..211e21f34bd5 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -81,6 +81,79 @@ static struct device_attribute led_class_attrs[] = { __ATTR_NULL, }; +static void led_timer_function(unsigned long data) +{ + struct led_classdev *led_cdev = (void *)data; + unsigned long brightness; + unsigned long delay; + + if (!led_cdev->blink_delay_on || !led_cdev->blink_delay_off) { + led_set_brightness(led_cdev, LED_OFF); + return; + } + + brightness = led_get_brightness(led_cdev); + if (!brightness) { + /* Time to switch the LED on. */ + brightness = led_cdev->blink_brightness; + delay = led_cdev->blink_delay_on; + } else { + /* Store the current brightness value to be able + * to restore it when the delay_off period is over. + */ + led_cdev->blink_brightness = brightness; + brightness = LED_OFF; + delay = led_cdev->blink_delay_off; + } + + led_set_brightness(led_cdev, brightness); + + mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay)); +} + +static void led_stop_software_blink(struct led_classdev *led_cdev) +{ + /* deactivate previous settings */ + del_timer_sync(&led_cdev->blink_timer); + led_cdev->blink_delay_on = 0; + led_cdev->blink_delay_off = 0; +} + +static void led_set_software_blink(struct led_classdev *led_cdev, + unsigned long delay_on, + unsigned long delay_off) +{ + int current_brightness; + + current_brightness = led_get_brightness(led_cdev); + if (current_brightness) + led_cdev->blink_brightness = current_brightness; + if (!led_cdev->blink_brightness) + led_cdev->blink_brightness = led_cdev->max_brightness; + + if (delay_on == led_cdev->blink_delay_on && + delay_off == led_cdev->blink_delay_off) + return; + + led_stop_software_blink(led_cdev); + + led_cdev->blink_delay_on = delay_on; + led_cdev->blink_delay_off = delay_off; + + /* never on - don't blink */ + if (!delay_on) + return; + + /* never off - just set to brightness */ + if (!delay_off) { + led_set_brightness(led_cdev, led_cdev->blink_brightness); + return; + } + + mod_timer(&led_cdev->blink_timer, jiffies + 1); +} + + /** * led_classdev_suspend - suspend an led_classdev. * @led_cdev: the led_classdev to suspend. @@ -148,6 +221,10 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) led_update_brightness(led_cdev); + init_timer(&led_cdev->blink_timer); + led_cdev->blink_timer.function = led_timer_function; + led_cdev->blink_timer.data = (unsigned long)led_cdev; + #ifdef CONFIG_LEDS_TRIGGERS led_trigger_set_default(led_cdev); #endif @@ -157,7 +234,6 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) return 0; } - EXPORT_SYMBOL_GPL(led_classdev_register); /** @@ -175,6 +251,9 @@ void led_classdev_unregister(struct led_classdev *led_cdev) up_write(&led_cdev->trigger_lock); #endif + /* Stop blinking */ + led_brightness_set(led_cdev, LED_OFF); + device_unregister(led_cdev->dev); down_write(&leds_list_lock); @@ -183,6 +262,30 @@ void led_classdev_unregister(struct led_classdev *led_cdev) } EXPORT_SYMBOL_GPL(led_classdev_unregister); +void led_blink_set(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off) +{ + if (led_cdev->blink_set && + led_cdev->blink_set(led_cdev, delay_on, delay_off)) + return; + + /* blink with 1 Hz as default if nothing specified */ + if (!*delay_on && !*delay_off) + *delay_on = *delay_off = 500; + + led_set_software_blink(led_cdev, *delay_on, *delay_off); +} +EXPORT_SYMBOL(led_blink_set); + +void led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + led_stop_software_blink(led_cdev); + led_cdev->brightness_set(led_cdev, brightness); +} +EXPORT_SYMBOL(led_brightness_set); + static int __init leds_init(void) { leds_class = class_create(THIS_MODULE, "leds"); diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index f1c00db88b5e..c41eb6180c9c 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -113,7 +113,7 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger) if (led_cdev->trigger->deactivate) led_cdev->trigger->deactivate(led_cdev); led_cdev->trigger = NULL; - led_set_brightness(led_cdev, LED_OFF); + led_brightness_set(led_cdev, LED_OFF); } if (trigger) { write_lock_irqsave(&trigger->leddev_list_lock, flags); diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index ea57e05d08f3..4d9fa38d9ff6 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -316,7 +316,7 @@ static struct of_platform_driver of_gpio_leds_driver = { static int __init gpio_led_init(void) { - int ret; + int ret = 0; #ifdef CONFIG_LEDS_GPIO_PLATFORM ret = platform_driver_register(&gpio_led_driver); diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c new file mode 100644 index 000000000000..3782f31f06d2 --- /dev/null +++ b/drivers/leds/leds-lp5521.c @@ -0,0 +1,821 @@ +/* + * LP5521 LED chip driver. + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/mutex.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/ctype.h> +#include <linux/spinlock.h> +#include <linux/wait.h> +#include <linux/leds.h> +#include <linux/leds-lp5521.h> +#include <linux/workqueue.h> +#include <linux/slab.h> + +#define LP5521_PROGRAM_LENGTH 32 /* in bytes */ + +#define LP5521_MAX_LEDS 3 /* Maximum number of LEDs */ +#define LP5521_MAX_ENGINES 3 /* Maximum number of engines */ + +#define LP5521_ENG_MASK_BASE 0x30 /* 00110000 */ +#define LP5521_ENG_STATUS_MASK 0x07 /* 00000111 */ + +#define LP5521_CMD_LOAD 0x15 /* 00010101 */ +#define LP5521_CMD_RUN 0x2a /* 00101010 */ +#define LP5521_CMD_DIRECT 0x3f /* 00111111 */ +#define LP5521_CMD_DISABLED 0x00 /* 00000000 */ + +/* Registers */ +#define LP5521_REG_ENABLE 0x00 +#define LP5521_REG_OP_MODE 0x01 +#define LP5521_REG_R_PWM 0x02 +#define LP5521_REG_G_PWM 0x03 +#define LP5521_REG_B_PWM 0x04 +#define LP5521_REG_R_CURRENT 0x05 +#define LP5521_REG_G_CURRENT 0x06 +#define LP5521_REG_B_CURRENT 0x07 +#define LP5521_REG_CONFIG 0x08 +#define LP5521_REG_R_CHANNEL_PC 0x09 +#define LP5521_REG_G_CHANNEL_PC 0x0A +#define LP5521_REG_B_CHANNEL_PC 0x0B +#define LP5521_REG_STATUS 0x0C +#define LP5521_REG_RESET 0x0D +#define LP5521_REG_GPO 0x0E +#define LP5521_REG_R_PROG_MEM 0x10 +#define LP5521_REG_G_PROG_MEM 0x30 +#define LP5521_REG_B_PROG_MEM 0x50 + +#define LP5521_PROG_MEM_BASE LP5521_REG_R_PROG_MEM +#define LP5521_PROG_MEM_SIZE 0x20 + +/* Base register to set LED current */ +#define LP5521_REG_LED_CURRENT_BASE LP5521_REG_R_CURRENT + +/* Base register to set the brightness */ +#define LP5521_REG_LED_PWM_BASE LP5521_REG_R_PWM + +/* Bits in ENABLE register */ +#define LP5521_MASTER_ENABLE 0x40 /* Chip master enable */ +#define LP5521_LOGARITHMIC_PWM 0x80 /* Logarithmic PWM adjustment */ +#define LP5521_EXEC_RUN 0x2A + +/* Bits in CONFIG register */ +#define LP5521_PWM_HF 0x40 /* PWM: 0 = 256Hz, 1 = 558Hz */ +#define LP5521_PWRSAVE_EN 0x20 /* 1 = Power save mode */ +#define LP5521_CP_MODE_OFF 0 /* Charge pump (CP) off */ +#define LP5521_CP_MODE_BYPASS 8 /* CP forced to bypass mode */ +#define LP5521_CP_MODE_1X5 0x10 /* CP forced to 1.5x mode */ +#define LP5521_CP_MODE_AUTO 0x18 /* Automatic mode selection */ +#define LP5521_R_TO_BATT 4 /* R out: 0 = CP, 1 = Vbat */ +#define LP5521_CLK_SRC_EXT 0 /* Ext-clk source (CLK_32K) */ +#define LP5521_CLK_INT 1 /* Internal clock */ +#define LP5521_CLK_AUTO 2 /* Automatic clock selection */ + +/* Status */ +#define LP5521_EXT_CLK_USED 0x08 + +struct lp5521_engine { + const struct attribute_group *attributes; + int id; + u8 mode; + u8 prog_page; + u8 engine_mask; +}; + +struct lp5521_led { + int id; + u8 chan_nr; + u8 led_current; + u8 max_current; + struct led_classdev cdev; + struct work_struct brightness_work; + u8 brightness; +}; + +struct lp5521_chip { + struct lp5521_platform_data *pdata; + struct mutex lock; /* Serialize control */ + struct i2c_client *client; + struct lp5521_engine engines[LP5521_MAX_ENGINES]; + struct lp5521_led leds[LP5521_MAX_LEDS]; + u8 num_channels; + u8 num_leds; +}; + +#define cdev_to_led(c) container_of(c, struct lp5521_led, cdev) +#define engine_to_lp5521(eng) container_of((eng), struct lp5521_chip, \ + engines[(eng)->id - 1]) +#define led_to_lp5521(led) container_of((led), struct lp5521_chip, \ + leds[(led)->id]) + +static void lp5521_led_brightness_work(struct work_struct *work); + +static inline int lp5521_write(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +static int lp5521_read(struct i2c_client *client, u8 reg, u8 *buf) +{ + s32 ret; + + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) + return -EIO; + + *buf = ret; + return 0; +} + +static int lp5521_set_engine_mode(struct lp5521_engine *engine, u8 mode) +{ + struct lp5521_chip *chip = engine_to_lp5521(engine); + struct i2c_client *client = chip->client; + int ret; + u8 engine_state; + + /* Only transition between RUN and DIRECT mode are handled here */ + if (mode == LP5521_CMD_LOAD) + return 0; + + if (mode == LP5521_CMD_DISABLED) + mode = LP5521_CMD_DIRECT; + + ret = lp5521_read(client, LP5521_REG_OP_MODE, &engine_state); + + /* set mode only for this engine */ + engine_state &= ~(engine->engine_mask); + mode &= engine->engine_mask; + engine_state |= mode; + ret |= lp5521_write(client, LP5521_REG_OP_MODE, engine_state); + + return ret; +} + +static int lp5521_load_program(struct lp5521_engine *eng, const u8 *pattern) +{ + struct lp5521_chip *chip = engine_to_lp5521(eng); + struct i2c_client *client = chip->client; + int ret; + int addr; + u8 mode; + + /* move current engine to direct mode and remember the state */ + ret = lp5521_set_engine_mode(eng, LP5521_CMD_DIRECT); + usleep_range(1000, 10000); + ret |= lp5521_read(client, LP5521_REG_OP_MODE, &mode); + + /* For loading, all the engines to load mode */ + lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT); + usleep_range(1000, 10000); + lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_LOAD); + usleep_range(1000, 10000); + + addr = LP5521_PROG_MEM_BASE + eng->prog_page * LP5521_PROG_MEM_SIZE; + i2c_smbus_write_i2c_block_data(client, + addr, + LP5521_PROG_MEM_SIZE, + pattern); + + ret |= lp5521_write(client, LP5521_REG_OP_MODE, mode); + return ret; +} + +static int lp5521_set_led_current(struct lp5521_chip *chip, int led, u8 curr) +{ + return lp5521_write(chip->client, + LP5521_REG_LED_CURRENT_BASE + chip->leds[led].chan_nr, + curr); +} + +static void lp5521_init_engine(struct lp5521_chip *chip, + const struct attribute_group *attr_group) +{ + int i; + for (i = 0; i < ARRAY_SIZE(chip->engines); i++) { + chip->engines[i].id = i + 1; + chip->engines[i].engine_mask = LP5521_ENG_MASK_BASE >> (i * 2); + chip->engines[i].prog_page = i; + chip->engines[i].attributes = &attr_group[i]; + } +} + +static int lp5521_configure(struct i2c_client *client, + const struct attribute_group *attr_group) +{ + struct lp5521_chip *chip = i2c_get_clientdata(client); + int ret; + + lp5521_init_engine(chip, attr_group); + + lp5521_write(client, LP5521_REG_RESET, 0xff); + + usleep_range(10000, 20000); + + /* Set all PWMs to direct control mode */ + ret = lp5521_write(client, LP5521_REG_OP_MODE, 0x3F); + + /* Enable auto-powersave, set charge pump to auto, red to battery */ + ret |= lp5521_write(client, LP5521_REG_CONFIG, + LP5521_PWRSAVE_EN | LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT); + + /* Initialize all channels PWM to zero -> leds off */ + ret |= lp5521_write(client, LP5521_REG_R_PWM, 0); + ret |= lp5521_write(client, LP5521_REG_G_PWM, 0); + ret |= lp5521_write(client, LP5521_REG_B_PWM, 0); + + /* Set engines are set to run state when OP_MODE enables engines */ + ret |= lp5521_write(client, LP5521_REG_ENABLE, + LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM | + LP5521_EXEC_RUN); + /* enable takes 500us */ + usleep_range(500, 20000); + + return ret; +} + +static int lp5521_run_selftest(struct lp5521_chip *chip, char *buf) +{ + int ret; + u8 status; + + ret = lp5521_read(chip->client, LP5521_REG_STATUS, &status); + if (ret < 0) + return ret; + + /* Check that ext clock is really in use if requested */ + if (chip->pdata && chip->pdata->clock_mode == LP5521_CLOCK_EXT) + if ((status & LP5521_EXT_CLK_USED) == 0) + return -EIO; + return 0; +} + +static void lp5521_set_brightness(struct led_classdev *cdev, + enum led_brightness brightness) +{ + struct lp5521_led *led = cdev_to_led(cdev); + led->brightness = (u8)brightness; + schedule_work(&led->brightness_work); +} + +static void lp5521_led_brightness_work(struct work_struct *work) +{ + struct lp5521_led *led = container_of(work, + struct lp5521_led, + brightness_work); + struct lp5521_chip *chip = led_to_lp5521(led); + struct i2c_client *client = chip->client; + + mutex_lock(&chip->lock); + lp5521_write(client, LP5521_REG_LED_PWM_BASE + led->chan_nr, + led->brightness); + mutex_unlock(&chip->lock); +} + +/* Detect the chip by setting its ENABLE register and reading it back. */ +static int lp5521_detect(struct i2c_client *client) +{ + int ret; + u8 buf; + + ret = lp5521_write(client, LP5521_REG_ENABLE, + LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM); + if (ret) + return ret; + usleep_range(1000, 10000); + ret = lp5521_read(client, LP5521_REG_ENABLE, &buf); + if (ret) + return ret; + if (buf != (LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM)) + return -ENODEV; + + return 0; +} + +/* Set engine mode and create appropriate sysfs attributes, if required. */ +static int lp5521_set_mode(struct lp5521_engine *engine, u8 mode) +{ + struct lp5521_chip *chip = engine_to_lp5521(engine); + struct i2c_client *client = chip->client; + struct device *dev = &client->dev; + int ret = 0; + + /* if in that mode already do nothing, except for run */ + if (mode == engine->mode && mode != LP5521_CMD_RUN) + return 0; + + if (mode == LP5521_CMD_RUN) { + ret = lp5521_set_engine_mode(engine, LP5521_CMD_RUN); + } else if (mode == LP5521_CMD_LOAD) { + lp5521_set_engine_mode(engine, LP5521_CMD_DISABLED); + lp5521_set_engine_mode(engine, LP5521_CMD_LOAD); + + ret = sysfs_create_group(&dev->kobj, engine->attributes); + if (ret) + return ret; + } else if (mode == LP5521_CMD_DISABLED) { + lp5521_set_engine_mode(engine, LP5521_CMD_DISABLED); + } + + /* remove load attribute from sysfs if not in load mode */ + if (engine->mode == LP5521_CMD_LOAD && mode != LP5521_CMD_LOAD) + sysfs_remove_group(&dev->kobj, engine->attributes); + + engine->mode = mode; + + return ret; +} + +static int lp5521_do_store_load(struct lp5521_engine *engine, + const char *buf, size_t len) +{ + struct lp5521_chip *chip = engine_to_lp5521(engine); + struct i2c_client *client = chip->client; + int ret, nrchars, offset = 0, i = 0; + char c[3]; + unsigned cmd; + u8 pattern[LP5521_PROGRAM_LENGTH] = {0}; + + while ((offset < len - 1) && (i < LP5521_PROGRAM_LENGTH)) { + /* separate sscanfs because length is working only for %s */ + ret = sscanf(buf + offset, "%2s%n ", c, &nrchars); + ret = sscanf(c, "%2x", &cmd); + if (ret != 1) + goto fail; + pattern[i] = (u8)cmd; + + offset += nrchars; + i++; + } + + /* Each instruction is 16bit long. Check that length is even */ + if (i % 2) + goto fail; + + mutex_lock(&chip->lock); + ret = lp5521_load_program(engine, pattern); + mutex_unlock(&chip->lock); + + if (ret) { + dev_err(&client->dev, "failed loading pattern\n"); + return ret; + } + + return len; +fail: + dev_err(&client->dev, "wrong pattern format\n"); + return -EINVAL; +} + +static ssize_t store_engine_load(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5521_chip *chip = i2c_get_clientdata(client); + return lp5521_do_store_load(&chip->engines[nr - 1], buf, len); +} + +#define store_load(nr) \ +static ssize_t store_engine##nr##_load(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_load(dev, attr, buf, len, nr); \ +} +store_load(1) +store_load(2) +store_load(3) + +static ssize_t show_engine_mode(struct device *dev, + struct device_attribute *attr, + char *buf, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5521_chip *chip = i2c_get_clientdata(client); + switch (chip->engines[nr - 1].mode) { + case LP5521_CMD_RUN: + return sprintf(buf, "run\n"); + case LP5521_CMD_LOAD: + return sprintf(buf, "load\n"); + case LP5521_CMD_DISABLED: + return sprintf(buf, "disabled\n"); + default: + return sprintf(buf, "disabled\n"); + } +} + +#define show_mode(nr) \ +static ssize_t show_engine##nr##_mode(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_engine_mode(dev, attr, buf, nr); \ +} +show_mode(1) +show_mode(2) +show_mode(3) + +static ssize_t store_engine_mode(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5521_chip *chip = i2c_get_clientdata(client); + struct lp5521_engine *engine = &chip->engines[nr - 1]; + mutex_lock(&chip->lock); + + if (!strncmp(buf, "run", 3)) + lp5521_set_mode(engine, LP5521_CMD_RUN); + else if (!strncmp(buf, "load", 4)) + lp5521_set_mode(engine, LP5521_CMD_LOAD); + else if (!strncmp(buf, "disabled", 8)) + lp5521_set_mode(engine, LP5521_CMD_DISABLED); + + mutex_unlock(&chip->lock); + return len; +} + +#define store_mode(nr) \ +static ssize_t store_engine##nr##_mode(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_mode(dev, attr, buf, len, nr); \ +} +store_mode(1) +store_mode(2) +store_mode(3) + +static ssize_t show_max_current(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5521_led *led = cdev_to_led(led_cdev); + + return sprintf(buf, "%d\n", led->max_current); +} + +static ssize_t show_current(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5521_led *led = cdev_to_led(led_cdev); + + return sprintf(buf, "%d\n", led->led_current); +} + +static ssize_t store_current(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5521_led *led = cdev_to_led(led_cdev); + struct lp5521_chip *chip = led_to_lp5521(led); + ssize_t ret; + unsigned long curr; + + if (strict_strtoul(buf, 0, &curr)) + return -EINVAL; + + if (curr > led->max_current) + return -EINVAL; + + mutex_lock(&chip->lock); + ret = lp5521_set_led_current(chip, led->id, curr); + mutex_unlock(&chip->lock); + + if (ret < 0) + return ret; + + led->led_current = (u8)curr; + + return len; +} + +static ssize_t lp5521_selftest(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5521_chip *chip = i2c_get_clientdata(client); + int ret; + + mutex_lock(&chip->lock); + ret = lp5521_run_selftest(chip, buf); + mutex_unlock(&chip->lock); + return sprintf(buf, "%s\n", ret ? "FAIL" : "OK"); +} + +/* led class device attributes */ +static DEVICE_ATTR(led_current, S_IRUGO | S_IWUGO, show_current, store_current); +static DEVICE_ATTR(max_current, S_IRUGO , show_max_current, NULL); + +static struct attribute *lp5521_led_attributes[] = { + &dev_attr_led_current.attr, + &dev_attr_max_current.attr, + NULL, +}; + +static struct attribute_group lp5521_led_attribute_group = { + .attrs = lp5521_led_attributes +}; + +/* device attributes */ +static DEVICE_ATTR(engine1_mode, S_IRUGO | S_IWUGO, + show_engine1_mode, store_engine1_mode); +static DEVICE_ATTR(engine2_mode, S_IRUGO | S_IWUGO, + show_engine2_mode, store_engine2_mode); +static DEVICE_ATTR(engine3_mode, S_IRUGO | S_IWUGO, + show_engine3_mode, store_engine3_mode); +static DEVICE_ATTR(engine1_load, S_IWUGO, NULL, store_engine1_load); +static DEVICE_ATTR(engine2_load, S_IWUGO, NULL, store_engine2_load); +static DEVICE_ATTR(engine3_load, S_IWUGO, NULL, store_engine3_load); +static DEVICE_ATTR(selftest, S_IRUGO, lp5521_selftest, NULL); + +static struct attribute *lp5521_attributes[] = { + &dev_attr_engine1_mode.attr, + &dev_attr_engine2_mode.attr, + &dev_attr_engine3_mode.attr, + &dev_attr_selftest.attr, + NULL +}; + +static struct attribute *lp5521_engine1_attributes[] = { + &dev_attr_engine1_load.attr, + NULL +}; + +static struct attribute *lp5521_engine2_attributes[] = { + &dev_attr_engine2_load.attr, + NULL +}; + +static struct attribute *lp5521_engine3_attributes[] = { + &dev_attr_engine3_load.attr, + NULL +}; + +static const struct attribute_group lp5521_group = { + .attrs = lp5521_attributes, +}; + +static const struct attribute_group lp5521_engine_group[] = { + {.attrs = lp5521_engine1_attributes }, + {.attrs = lp5521_engine2_attributes }, + {.attrs = lp5521_engine3_attributes }, +}; + +static int lp5521_register_sysfs(struct i2c_client *client) +{ + struct device *dev = &client->dev; + return sysfs_create_group(&dev->kobj, &lp5521_group); +} + +static void lp5521_unregister_sysfs(struct i2c_client *client) +{ + struct lp5521_chip *chip = i2c_get_clientdata(client); + struct device *dev = &client->dev; + int i; + + sysfs_remove_group(&dev->kobj, &lp5521_group); + + for (i = 0; i < ARRAY_SIZE(chip->engines); i++) { + if (chip->engines[i].mode == LP5521_CMD_LOAD) + sysfs_remove_group(&dev->kobj, + chip->engines[i].attributes); + } + + for (i = 0; i < chip->num_leds; i++) + sysfs_remove_group(&chip->leds[i].cdev.dev->kobj, + &lp5521_led_attribute_group); +} + +static int __init lp5521_init_led(struct lp5521_led *led, + struct i2c_client *client, + int chan, struct lp5521_platform_data *pdata) +{ + struct device *dev = &client->dev; + char name[32]; + int res; + + if (chan >= LP5521_MAX_LEDS) + return -EINVAL; + + if (pdata->led_config[chan].led_current == 0) + return 0; + + led->led_current = pdata->led_config[chan].led_current; + led->max_current = pdata->led_config[chan].max_current; + led->chan_nr = pdata->led_config[chan].chan_nr; + + if (led->chan_nr >= LP5521_MAX_LEDS) { + dev_err(dev, "Use channel numbers between 0 and %d\n", + LP5521_MAX_LEDS - 1); + return -EINVAL; + } + + snprintf(name, sizeof(name), "%s:channel%d", client->name, chan); + led->cdev.brightness_set = lp5521_set_brightness; + led->cdev.name = name; + res = led_classdev_register(dev, &led->cdev); + if (res < 0) { + dev_err(dev, "couldn't register led on channel %d\n", chan); + return res; + } + + res = sysfs_create_group(&led->cdev.dev->kobj, + &lp5521_led_attribute_group); + if (res < 0) { + dev_err(dev, "couldn't register current attribute\n"); + led_classdev_unregister(&led->cdev); + return res; + } + return 0; +} + +static int lp5521_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct lp5521_chip *chip; + struct lp5521_platform_data *pdata; + int ret, i, led; + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + i2c_set_clientdata(client, chip); + chip->client = client; + + pdata = client->dev.platform_data; + + if (!pdata) { + dev_err(&client->dev, "no platform data\n"); + ret = -EINVAL; + goto fail1; + } + + mutex_init(&chip->lock); + + chip->pdata = pdata; + + if (pdata->setup_resources) { + ret = pdata->setup_resources(); + if (ret < 0) + goto fail1; + } + + if (pdata->enable) { + pdata->enable(0); + usleep_range(1000, 10000); + pdata->enable(1); + usleep_range(1000, 10000); /* Spec says min 500us */ + } + + ret = lp5521_detect(client); + + if (ret) { + dev_err(&client->dev, "Chip not found\n"); + goto fail2; + } + + dev_info(&client->dev, "%s programmable led chip found\n", id->name); + + ret = lp5521_configure(client, lp5521_engine_group); + if (ret < 0) { + dev_err(&client->dev, "error configuring chip\n"); + goto fail2; + } + + /* Initialize leds */ + chip->num_channels = pdata->num_channels; + chip->num_leds = 0; + led = 0; + for (i = 0; i < pdata->num_channels; i++) { + /* Do not initialize channels that are not connected */ + if (pdata->led_config[i].led_current == 0) + continue; + + ret = lp5521_init_led(&chip->leds[led], client, i, pdata); + if (ret) { + dev_err(&client->dev, "error initializing leds\n"); + goto fail3; + } + chip->num_leds++; + + chip->leds[led].id = led; + /* Set initial LED current */ + lp5521_set_led_current(chip, led, + chip->leds[led].led_current); + + INIT_WORK(&(chip->leds[led].brightness_work), + lp5521_led_brightness_work); + + led++; + } + + ret = lp5521_register_sysfs(client); + if (ret) { + dev_err(&client->dev, "registering sysfs failed\n"); + goto fail3; + } + return ret; +fail3: + for (i = 0; i < chip->num_leds; i++) { + led_classdev_unregister(&chip->leds[i].cdev); + cancel_work_sync(&chip->leds[i].brightness_work); + } +fail2: + if (pdata->enable) + pdata->enable(0); + if (pdata->release_resources) + pdata->release_resources(); +fail1: + kfree(chip); + return ret; +} + +static int lp5521_remove(struct i2c_client *client) +{ + struct lp5521_chip *chip = i2c_get_clientdata(client); + int i; + + lp5521_unregister_sysfs(client); + + for (i = 0; i < chip->num_leds; i++) { + led_classdev_unregister(&chip->leds[i].cdev); + cancel_work_sync(&chip->leds[i].brightness_work); + } + + if (chip->pdata->enable) + chip->pdata->enable(0); + if (chip->pdata->release_resources) + chip->pdata->release_resources(); + kfree(chip); + return 0; +} + +static const struct i2c_device_id lp5521_id[] = { + { "lp5521", 0 }, /* Three channel chip */ + { } +}; +MODULE_DEVICE_TABLE(i2c, lp5521_id); + +static struct i2c_driver lp5521_driver = { + .driver = { + .name = "lp5521", + }, + .probe = lp5521_probe, + .remove = lp5521_remove, + .id_table = lp5521_id, +}; + +static int __init lp5521_init(void) +{ + int ret; + + ret = i2c_add_driver(&lp5521_driver); + + if (ret < 0) + printk(KERN_ALERT "Adding lp5521 driver failed\n"); + + return ret; +} + +static void __exit lp5521_exit(void) +{ + i2c_del_driver(&lp5521_driver); +} + +module_init(lp5521_init); +module_exit(lp5521_exit); + +MODULE_AUTHOR("Mathias Nyman, Yuri Zaporozhets, Samu Onkalo"); +MODULE_DESCRIPTION("LP5521 LED engine"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c new file mode 100644 index 000000000000..1e11fcc08b28 --- /dev/null +++ b/drivers/leds/leds-lp5523.c @@ -0,0 +1,1065 @@ +/* + * lp5523.c - LP5523 LED Driver + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/mutex.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/ctype.h> +#include <linux/spinlock.h> +#include <linux/wait.h> +#include <linux/leds.h> +#include <linux/leds-lp5523.h> +#include <linux/workqueue.h> +#include <linux/slab.h> + +#define LP5523_REG_ENABLE 0x00 +#define LP5523_REG_OP_MODE 0x01 +#define LP5523_REG_RATIOMETRIC_MSB 0x02 +#define LP5523_REG_RATIOMETRIC_LSB 0x03 +#define LP5523_REG_ENABLE_LEDS_MSB 0x04 +#define LP5523_REG_ENABLE_LEDS_LSB 0x05 +#define LP5523_REG_LED_CNTRL_BASE 0x06 +#define LP5523_REG_LED_PWM_BASE 0x16 +#define LP5523_REG_LED_CURRENT_BASE 0x26 +#define LP5523_REG_CONFIG 0x36 +#define LP5523_REG_CHANNEL1_PC 0x37 +#define LP5523_REG_CHANNEL2_PC 0x38 +#define LP5523_REG_CHANNEL3_PC 0x39 +#define LP5523_REG_STATUS 0x3a +#define LP5523_REG_GPO 0x3b +#define LP5523_REG_VARIABLE 0x3c +#define LP5523_REG_RESET 0x3d +#define LP5523_REG_TEMP_CTRL 0x3e +#define LP5523_REG_TEMP_READ 0x3f +#define LP5523_REG_TEMP_WRITE 0x40 +#define LP5523_REG_LED_TEST_CTRL 0x41 +#define LP5523_REG_LED_TEST_ADC 0x42 +#define LP5523_REG_ENG1_VARIABLE 0x45 +#define LP5523_REG_ENG2_VARIABLE 0x46 +#define LP5523_REG_ENG3_VARIABLE 0x47 +#define LP5523_REG_MASTER_FADER1 0x48 +#define LP5523_REG_MASTER_FADER2 0x49 +#define LP5523_REG_MASTER_FADER3 0x4a +#define LP5523_REG_CH1_PROG_START 0x4c +#define LP5523_REG_CH2_PROG_START 0x4d +#define LP5523_REG_CH3_PROG_START 0x4e +#define LP5523_REG_PROG_PAGE_SEL 0x4f +#define LP5523_REG_PROG_MEM 0x50 + +#define LP5523_CMD_LOAD 0x15 /* 00010101 */ +#define LP5523_CMD_RUN 0x2a /* 00101010 */ +#define LP5523_CMD_DISABLED 0x00 /* 00000000 */ + +#define LP5523_ENABLE 0x40 +#define LP5523_AUTO_INC 0x40 +#define LP5523_PWR_SAVE 0x20 +#define LP5523_PWM_PWR_SAVE 0x04 +#define LP5523_CP_1 0x08 +#define LP5523_CP_1_5 0x10 +#define LP5523_CP_AUTO 0x18 +#define LP5523_INT_CLK 0x01 +#define LP5523_AUTO_CLK 0x02 +#define LP5523_EN_LEDTEST 0x80 +#define LP5523_LEDTEST_DONE 0x80 + +#define LP5523_DEFAULT_CURRENT 50 /* microAmps */ +#define LP5523_PROGRAM_LENGTH 32 /* in bytes */ +#define LP5523_PROGRAM_PAGES 6 +#define LP5523_ADC_SHORTCIRC_LIM 80 + +#define LP5523_LEDS 9 +#define LP5523_ENGINES 3 + +#define LP5523_ENG_MASK_BASE 0x30 /* 00110000 */ + +#define LP5523_ENG_STATUS_MASK 0x07 /* 00000111 */ + +#define LP5523_IRQ_FLAGS IRQF_TRIGGER_FALLING + +#define LP5523_EXT_CLK_USED 0x08 + +#define LED_ACTIVE(mux, led) (!!(mux & (0x0001 << led))) +#define SHIFT_MASK(id) (((id) - 1) * 2) + +struct lp5523_engine { + const struct attribute_group *attributes; + int id; + u8 mode; + u8 prog_page; + u8 mux_page; + u16 led_mux; + u8 engine_mask; +}; + +struct lp5523_led { + int id; + u8 chan_nr; + u8 led_current; + u8 max_current; + struct led_classdev cdev; + struct work_struct brightness_work; + u8 brightness; +}; + +struct lp5523_chip { + struct mutex lock; /* Serialize control */ + struct i2c_client *client; + struct lp5523_engine engines[LP5523_ENGINES]; + struct lp5523_led leds[LP5523_LEDS]; + struct lp5523_platform_data *pdata; + u8 num_channels; + u8 num_leds; +}; + +#define cdev_to_led(c) container_of(c, struct lp5523_led, cdev) + +static struct lp5523_chip *engine_to_lp5523(struct lp5523_engine *engine) +{ + return container_of(engine, struct lp5523_chip, + engines[engine->id - 1]); +} + +static struct lp5523_chip *led_to_lp5523(struct lp5523_led *led) +{ + return container_of(led, struct lp5523_chip, + leds[led->id]); +} + +static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode); +static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode); +static int lp5523_load_program(struct lp5523_engine *engine, u8 *pattern); + +static void lp5523_led_brightness_work(struct work_struct *work); + +static int lp5523_write(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +static int lp5523_read(struct i2c_client *client, u8 reg, u8 *buf) +{ + s32 ret = i2c_smbus_read_byte_data(client, reg); + + if (ret < 0) + return -EIO; + + *buf = ret; + return 0; +} + +static int lp5523_detect(struct i2c_client *client) +{ + int ret; + u8 buf; + + ret = lp5523_write(client, LP5523_REG_ENABLE, 0x40); + if (ret) + return ret; + ret = lp5523_read(client, LP5523_REG_ENABLE, &buf); + if (ret) + return ret; + if (buf == 0x40) + return 0; + else + return -ENODEV; +} + +static int lp5523_configure(struct i2c_client *client) +{ + struct lp5523_chip *chip = i2c_get_clientdata(client); + int ret = 0; + u8 status; + + /* one pattern per engine setting led mux start and stop addresses */ + u8 pattern[][LP5523_PROGRAM_LENGTH] = { + { 0x9c, 0x30, 0x9c, 0xb0, 0x9d, 0x80, 0xd8, 0x00, 0}, + { 0x9c, 0x40, 0x9c, 0xc0, 0x9d, 0x80, 0xd8, 0x00, 0}, + { 0x9c, 0x50, 0x9c, 0xd0, 0x9d, 0x80, 0xd8, 0x00, 0}, + }; + + lp5523_write(client, LP5523_REG_RESET, 0xff); + + usleep_range(10000, 100000); + + ret |= lp5523_write(client, LP5523_REG_ENABLE, LP5523_ENABLE); + /* Chip startup time after reset is 500 us */ + usleep_range(1000, 10000); + + ret |= lp5523_write(client, LP5523_REG_CONFIG, + LP5523_AUTO_INC | LP5523_PWR_SAVE | + LP5523_CP_AUTO | LP5523_AUTO_CLK | + LP5523_PWM_PWR_SAVE); + + /* turn on all leds */ + ret |= lp5523_write(client, LP5523_REG_ENABLE_LEDS_MSB, 0x01); + ret |= lp5523_write(client, LP5523_REG_ENABLE_LEDS_LSB, 0xff); + + /* hardcode 32 bytes of memory for each engine from program memory */ + ret |= lp5523_write(client, LP5523_REG_CH1_PROG_START, 0x00); + ret |= lp5523_write(client, LP5523_REG_CH2_PROG_START, 0x10); + ret |= lp5523_write(client, LP5523_REG_CH3_PROG_START, 0x20); + + /* write led mux address space for each channel */ + ret |= lp5523_load_program(&chip->engines[0], pattern[0]); + ret |= lp5523_load_program(&chip->engines[1], pattern[1]); + ret |= lp5523_load_program(&chip->engines[2], pattern[2]); + + if (ret) { + dev_err(&client->dev, "could not load mux programs\n"); + return -1; + } + + /* set all engines exec state and mode to run 00101010 */ + ret |= lp5523_write(client, LP5523_REG_ENABLE, + (LP5523_CMD_RUN | LP5523_ENABLE)); + + ret |= lp5523_write(client, LP5523_REG_OP_MODE, LP5523_CMD_RUN); + + if (ret) { + dev_err(&client->dev, "could not start mux programs\n"); + return -1; + } + + /* Wait 3ms and check the engine status */ + usleep_range(3000, 20000); + lp5523_read(client, LP5523_REG_STATUS, &status); + status &= LP5523_ENG_STATUS_MASK; + + if (status == LP5523_ENG_STATUS_MASK) { + dev_dbg(&client->dev, "all engines configured\n"); + } else { + dev_info(&client->dev, "status == %x\n", status); + dev_err(&client->dev, "cound not configure LED engine\n"); + return -1; + } + + dev_info(&client->dev, "disabling engines\n"); + + ret |= lp5523_write(client, LP5523_REG_OP_MODE, LP5523_CMD_DISABLED); + + return ret; +} + +static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + int ret; + u8 engine_state; + + ret = lp5523_read(client, LP5523_REG_OP_MODE, &engine_state); + if (ret) + goto fail; + + engine_state &= ~(engine->engine_mask); + + /* set mode only for this engine */ + mode &= engine->engine_mask; + + engine_state |= mode; + + ret |= lp5523_write(client, LP5523_REG_OP_MODE, engine_state); +fail: + return ret; +} + +static int lp5523_load_mux(struct lp5523_engine *engine, u16 mux) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + int ret = 0; + + ret |= lp5523_set_engine_mode(engine, LP5523_CMD_LOAD); + + ret |= lp5523_write(client, LP5523_REG_PROG_PAGE_SEL, engine->mux_page); + ret |= lp5523_write(client, LP5523_REG_PROG_MEM, + (u8)(mux >> 8)); + ret |= lp5523_write(client, LP5523_REG_PROG_MEM + 1, (u8)(mux)); + engine->led_mux = mux; + + return ret; +} + +static int lp5523_load_program(struct lp5523_engine *engine, u8 *pattern) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + + int ret = 0; + + ret |= lp5523_set_engine_mode(engine, LP5523_CMD_LOAD); + + ret |= lp5523_write(client, LP5523_REG_PROG_PAGE_SEL, + engine->prog_page); + ret |= i2c_smbus_write_i2c_block_data(client, LP5523_REG_PROG_MEM, + LP5523_PROGRAM_LENGTH, pattern); + + return ret; +} + +static int lp5523_run_program(struct lp5523_engine *engine) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + int ret; + + ret = lp5523_write(client, LP5523_REG_ENABLE, + LP5523_CMD_RUN | LP5523_ENABLE); + if (ret) + goto fail; + + ret = lp5523_set_engine_mode(engine, LP5523_CMD_RUN); +fail: + return ret; +} + +static int lp5523_mux_parse(const char *buf, u16 *mux, size_t len) +{ + int i; + u16 tmp_mux = 0; + len = len < LP5523_LEDS ? len : LP5523_LEDS; + for (i = 0; i < len; i++) { + switch (buf[i]) { + case '1': + tmp_mux |= (1 << i); + break; + case '0': + break; + case '\n': + i = len; + break; + default: + return -1; + } + } + *mux = tmp_mux; + + return 0; +} + +static void lp5523_mux_to_array(u16 led_mux, char *array) +{ + int i, pos = 0; + for (i = 0; i < LP5523_LEDS; i++) + pos += sprintf(array + pos, "%x", LED_ACTIVE(led_mux, i)); + + array[pos] = '\0'; +} + +/*--------------------------------------------------------------*/ +/* Sysfs interface */ +/*--------------------------------------------------------------*/ + +static ssize_t show_engine_leds(struct device *dev, + struct device_attribute *attr, + char *buf, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + char mux[LP5523_LEDS + 1]; + + lp5523_mux_to_array(chip->engines[nr - 1].led_mux, mux); + + return sprintf(buf, "%s\n", mux); +} + +#define show_leds(nr) \ +static ssize_t show_engine##nr##_leds(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_engine_leds(dev, attr, buf, nr); \ +} +show_leds(1) +show_leds(2) +show_leds(3) + +static ssize_t store_engine_leds(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + u16 mux = 0; + + if (lp5523_mux_parse(buf, &mux, len)) + return -EINVAL; + + if (lp5523_load_mux(&chip->engines[nr - 1], mux)) + return -EINVAL; + + return len; +} + +#define store_leds(nr) \ +static ssize_t store_engine##nr##_leds(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_leds(dev, attr, buf, len, nr); \ +} +store_leds(1) +store_leds(2) +store_leds(3) + +static ssize_t lp5523_selftest(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + int i, ret, pos = 0; + int led = 0; + u8 status, adc, vdd; + + mutex_lock(&chip->lock); + + ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status); + if (ret < 0) + goto fail; + + /* Check that ext clock is really in use if requested */ + if ((chip->pdata) && (chip->pdata->clock_mode == LP5523_CLOCK_EXT)) + if ((status & LP5523_EXT_CLK_USED) == 0) + goto fail; + + /* Measure VDD (i.e. VBAT) first (channel 16 corresponds to VDD) */ + lp5523_write(chip->client, LP5523_REG_LED_TEST_CTRL, + LP5523_EN_LEDTEST | 16); + usleep_range(3000, 10000); + ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status); + if (!(status & LP5523_LEDTEST_DONE)) + usleep_range(3000, 10000); + + ret |= lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &vdd); + vdd--; /* There may be some fluctuation in measurement */ + + for (i = 0; i < LP5523_LEDS; i++) { + /* Skip non-existing channels */ + if (chip->pdata->led_config[i].led_current == 0) + continue; + + /* Set default current */ + lp5523_write(chip->client, + LP5523_REG_LED_CURRENT_BASE + i, + chip->pdata->led_config[i].led_current); + + lp5523_write(chip->client, LP5523_REG_LED_PWM_BASE + i, 0xff); + /* let current stabilize 2ms before measurements start */ + usleep_range(2000, 10000); + lp5523_write(chip->client, + LP5523_REG_LED_TEST_CTRL, + LP5523_EN_LEDTEST | i); + /* ledtest takes 2.7ms */ + usleep_range(3000, 10000); + ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status); + if (!(status & LP5523_LEDTEST_DONE)) + usleep_range(3000, 10000); + ret |= lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &adc); + + if (adc >= vdd || adc < LP5523_ADC_SHORTCIRC_LIM) + pos += sprintf(buf + pos, "LED %d FAIL\n", i); + + lp5523_write(chip->client, LP5523_REG_LED_PWM_BASE + i, 0x00); + + /* Restore current */ + lp5523_write(chip->client, + LP5523_REG_LED_CURRENT_BASE + i, + chip->leds[led].led_current); + led++; + } + if (pos == 0) + pos = sprintf(buf, "OK\n"); + goto release_lock; +fail: + pos = sprintf(buf, "FAIL\n"); + +release_lock: + mutex_unlock(&chip->lock); + + return pos; +} + +static void lp5523_set_brightness(struct led_classdev *cdev, + enum led_brightness brightness) +{ + struct lp5523_led *led = cdev_to_led(cdev); + + led->brightness = (u8)brightness; + + schedule_work(&led->brightness_work); +} + +static void lp5523_led_brightness_work(struct work_struct *work) +{ + struct lp5523_led *led = container_of(work, + struct lp5523_led, + brightness_work); + struct lp5523_chip *chip = led_to_lp5523(led); + struct i2c_client *client = chip->client; + + mutex_lock(&chip->lock); + + lp5523_write(client, LP5523_REG_LED_PWM_BASE + led->chan_nr, + led->brightness); + + mutex_unlock(&chip->lock); +} + +static int lp5523_do_store_load(struct lp5523_engine *engine, + const char *buf, size_t len) +{ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + int ret, nrchars, offset = 0, i = 0; + char c[3]; + unsigned cmd; + u8 pattern[LP5523_PROGRAM_LENGTH] = {0}; + + while ((offset < len - 1) && (i < LP5523_PROGRAM_LENGTH)) { + /* separate sscanfs because length is working only for %s */ + ret = sscanf(buf + offset, "%2s%n ", c, &nrchars); + ret = sscanf(c, "%2x", &cmd); + if (ret != 1) + goto fail; + pattern[i] = (u8)cmd; + + offset += nrchars; + i++; + } + + /* Each instruction is 16bit long. Check that length is even */ + if (i % 2) + goto fail; + + mutex_lock(&chip->lock); + + ret = lp5523_load_program(engine, pattern); + mutex_unlock(&chip->lock); + + if (ret) { + dev_err(&client->dev, "failed loading pattern\n"); + return ret; + } + + return len; +fail: + dev_err(&client->dev, "wrong pattern format\n"); + return -EINVAL; +} + +static ssize_t store_engine_load(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + return lp5523_do_store_load(&chip->engines[nr - 1], buf, len); +} + +#define store_load(nr) \ +static ssize_t store_engine##nr##_load(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_load(dev, attr, buf, len, nr); \ +} +store_load(1) +store_load(2) +store_load(3) + +static ssize_t show_engine_mode(struct device *dev, + struct device_attribute *attr, + char *buf, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + switch (chip->engines[nr - 1].mode) { + case LP5523_CMD_RUN: + return sprintf(buf, "run\n"); + case LP5523_CMD_LOAD: + return sprintf(buf, "load\n"); + case LP5523_CMD_DISABLED: + return sprintf(buf, "disabled\n"); + default: + return sprintf(buf, "disabled\n"); + } +} + +#define show_mode(nr) \ +static ssize_t show_engine##nr##_mode(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + return show_engine_mode(dev, attr, buf, nr); \ +} +show_mode(1) +show_mode(2) +show_mode(3) + +static ssize_t store_engine_mode(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lp5523_chip *chip = i2c_get_clientdata(client); + struct lp5523_engine *engine = &chip->engines[nr - 1]; + mutex_lock(&chip->lock); + + if (!strncmp(buf, "run", 3)) + lp5523_set_mode(engine, LP5523_CMD_RUN); + else if (!strncmp(buf, "load", 4)) + lp5523_set_mode(engine, LP5523_CMD_LOAD); + else if (!strncmp(buf, "disabled", 8)) + lp5523_set_mode(engine, LP5523_CMD_DISABLED); + + mutex_unlock(&chip->lock); + return len; +} + +#define store_mode(nr) \ +static ssize_t store_engine##nr##_mode(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + return store_engine_mode(dev, attr, buf, len, nr); \ +} +store_mode(1) +store_mode(2) +store_mode(3) + +static ssize_t show_max_current(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5523_led *led = cdev_to_led(led_cdev); + + return sprintf(buf, "%d\n", led->max_current); +} + +static ssize_t show_current(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5523_led *led = cdev_to_led(led_cdev); + + return sprintf(buf, "%d\n", led->led_current); +} + +static ssize_t store_current(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct led_classdev *led_cdev = dev_get_drvdata(dev); + struct lp5523_led *led = cdev_to_led(led_cdev); + struct lp5523_chip *chip = led_to_lp5523(led); + ssize_t ret; + unsigned long curr; + + if (strict_strtoul(buf, 0, &curr)) + return -EINVAL; + + if (curr > led->max_current) + return -EINVAL; + + mutex_lock(&chip->lock); + ret = lp5523_write(chip->client, + LP5523_REG_LED_CURRENT_BASE + led->chan_nr, + (u8)curr); + mutex_unlock(&chip->lock); + + if (ret < 0) + return ret; + + led->led_current = (u8)curr; + + return len; +} + +/* led class device attributes */ +static DEVICE_ATTR(led_current, S_IRUGO | S_IWUGO, show_current, store_current); +static DEVICE_ATTR(max_current, S_IRUGO , show_max_current, NULL); + +static struct attribute *lp5523_led_attributes[] = { + &dev_attr_led_current.attr, + &dev_attr_max_current.attr, + NULL, +}; + +static struct attribute_group lp5523_led_attribute_group = { + .attrs = lp5523_led_attributes +}; + +/* device attributes */ +static DEVICE_ATTR(engine1_mode, S_IRUGO | S_IWUGO, + show_engine1_mode, store_engine1_mode); +static DEVICE_ATTR(engine2_mode, S_IRUGO | S_IWUGO, + show_engine2_mode, store_engine2_mode); +static DEVICE_ATTR(engine3_mode, S_IRUGO | S_IWUGO, + show_engine3_mode, store_engine3_mode); +static DEVICE_ATTR(engine1_leds, S_IRUGO | S_IWUGO, + show_engine1_leds, store_engine1_leds); +static DEVICE_ATTR(engine2_leds, S_IRUGO | S_IWUGO, + show_engine2_leds, store_engine2_leds); +static DEVICE_ATTR(engine3_leds, S_IRUGO | S_IWUGO, + show_engine3_leds, store_engine3_leds); +static DEVICE_ATTR(engine1_load, S_IWUGO, NULL, store_engine1_load); +static DEVICE_ATTR(engine2_load, S_IWUGO, NULL, store_engine2_load); +static DEVICE_ATTR(engine3_load, S_IWUGO, NULL, store_engine3_load); +static DEVICE_ATTR(selftest, S_IRUGO, lp5523_selftest, NULL); + +static struct attribute *lp5523_attributes[] = { + &dev_attr_engine1_mode.attr, + &dev_attr_engine2_mode.attr, + &dev_attr_engine3_mode.attr, + &dev_attr_selftest.attr, + NULL +}; + +static struct attribute *lp5523_engine1_attributes[] = { + &dev_attr_engine1_load.attr, + &dev_attr_engine1_leds.attr, + NULL +}; + +static struct attribute *lp5523_engine2_attributes[] = { + &dev_attr_engine2_load.attr, + &dev_attr_engine2_leds.attr, + NULL +}; + +static struct attribute *lp5523_engine3_attributes[] = { + &dev_attr_engine3_load.attr, + &dev_attr_engine3_leds.attr, + NULL +}; + +static const struct attribute_group lp5523_group = { + .attrs = lp5523_attributes, +}; + +static const struct attribute_group lp5523_engine_group[] = { + {.attrs = lp5523_engine1_attributes }, + {.attrs = lp5523_engine2_attributes }, + {.attrs = lp5523_engine3_attributes }, +}; + +static int lp5523_register_sysfs(struct i2c_client *client) +{ + struct device *dev = &client->dev; + int ret; + + ret = sysfs_create_group(&dev->kobj, &lp5523_group); + if (ret < 0) + return ret; + + return 0; +} + +static void lp5523_unregister_sysfs(struct i2c_client *client) +{ + struct lp5523_chip *chip = i2c_get_clientdata(client); + struct device *dev = &client->dev; + int i; + + sysfs_remove_group(&dev->kobj, &lp5523_group); + + for (i = 0; i < ARRAY_SIZE(chip->engines); i++) + if (chip->engines[i].mode == LP5523_CMD_LOAD) + sysfs_remove_group(&dev->kobj, &lp5523_engine_group[i]); + + for (i = 0; i < chip->num_leds; i++) + sysfs_remove_group(&chip->leds[i].cdev.dev->kobj, + &lp5523_led_attribute_group); +} + +/*--------------------------------------------------------------*/ +/* Set chip operating mode */ +/*--------------------------------------------------------------*/ +static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode) +{ + /* engine to chip */ + struct lp5523_chip *chip = engine_to_lp5523(engine); + struct i2c_client *client = chip->client; + struct device *dev = &client->dev; + int ret = 0; + + /* if in that mode already do nothing, except for run */ + if (mode == engine->mode && mode != LP5523_CMD_RUN) + return 0; + + if (mode == LP5523_CMD_RUN) { + ret = lp5523_run_program(engine); + } else if (mode == LP5523_CMD_LOAD) { + lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED); + lp5523_set_engine_mode(engine, LP5523_CMD_LOAD); + + ret = sysfs_create_group(&dev->kobj, engine->attributes); + if (ret) + return ret; + } else if (mode == LP5523_CMD_DISABLED) { + lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED); + } + + /* remove load attribute from sysfs if not in load mode */ + if (engine->mode == LP5523_CMD_LOAD && mode != LP5523_CMD_LOAD) + sysfs_remove_group(&dev->kobj, engine->attributes); + + engine->mode = mode; + + return ret; +} + +/*--------------------------------------------------------------*/ +/* Probe, Attach, Remove */ +/*--------------------------------------------------------------*/ +static int __init lp5523_init_engine(struct lp5523_engine *engine, int id) +{ + if (id < 1 || id > LP5523_ENGINES) + return -1; + engine->id = id; + engine->engine_mask = LP5523_ENG_MASK_BASE >> SHIFT_MASK(id); + engine->prog_page = id - 1; + engine->mux_page = id + 2; + engine->attributes = &lp5523_engine_group[id - 1]; + + return 0; +} + +static int __init lp5523_init_led(struct lp5523_led *led, struct device *dev, + int chan, struct lp5523_platform_data *pdata) +{ + char name[32]; + int res; + + if (chan >= LP5523_LEDS) + return -EINVAL; + + if (pdata->led_config[chan].led_current) { + led->led_current = pdata->led_config[chan].led_current; + led->max_current = pdata->led_config[chan].max_current; + led->chan_nr = pdata->led_config[chan].chan_nr; + + if (led->chan_nr >= LP5523_LEDS) { + dev_err(dev, "Use channel numbers between 0 and %d\n", + LP5523_LEDS - 1); + return -EINVAL; + } + + snprintf(name, 32, "lp5523:channel%d", chan); + + led->cdev.name = name; + led->cdev.brightness_set = lp5523_set_brightness; + res = led_classdev_register(dev, &led->cdev); + if (res < 0) { + dev_err(dev, "couldn't register led on channel %d\n", + chan); + return res; + } + res = sysfs_create_group(&led->cdev.dev->kobj, + &lp5523_led_attribute_group); + if (res < 0) { + dev_err(dev, "couldn't register current attribute\n"); + led_classdev_unregister(&led->cdev); + return res; + } + } else { + led->led_current = 0; + } + return 0; +} + +static struct i2c_driver lp5523_driver; + +static int lp5523_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct lp5523_chip *chip; + struct lp5523_platform_data *pdata; + int ret, i, led; + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + i2c_set_clientdata(client, chip); + chip->client = client; + + pdata = client->dev.platform_data; + + if (!pdata) { + dev_err(&client->dev, "no platform data\n"); + ret = -EINVAL; + goto fail1; + } + + mutex_init(&chip->lock); + + chip->pdata = pdata; + + if (pdata->setup_resources) { + ret = pdata->setup_resources(); + if (ret < 0) + goto fail1; + } + + if (pdata->enable) { + pdata->enable(0); + usleep_range(1000, 10000); + pdata->enable(1); + usleep_range(1000, 10000); /* Spec says min 500us */ + } + + ret = lp5523_detect(client); + if (ret) + goto fail2; + + dev_info(&client->dev, "LP5523 Programmable led chip found\n"); + + /* Initialize engines */ + for (i = 0; i < ARRAY_SIZE(chip->engines); i++) { + ret = lp5523_init_engine(&chip->engines[i], i + 1); + if (ret) { + dev_err(&client->dev, "error initializing engine\n"); + goto fail2; + } + } + ret = lp5523_configure(client); + if (ret < 0) { + dev_err(&client->dev, "error configuring chip\n"); + goto fail2; + } + + /* Initialize leds */ + chip->num_channels = pdata->num_channels; + chip->num_leds = 0; + led = 0; + for (i = 0; i < pdata->num_channels; i++) { + /* Do not initialize channels that are not connected */ + if (pdata->led_config[i].led_current == 0) + continue; + + ret = lp5523_init_led(&chip->leds[led], &client->dev, i, pdata); + if (ret) { + dev_err(&client->dev, "error initializing leds\n"); + goto fail3; + } + chip->num_leds++; + + chip->leds[led].id = led; + /* Set LED current */ + lp5523_write(client, + LP5523_REG_LED_CURRENT_BASE + chip->leds[led].chan_nr, + chip->leds[led].led_current); + + INIT_WORK(&(chip->leds[led].brightness_work), + lp5523_led_brightness_work); + + led++; + } + + ret = lp5523_register_sysfs(client); + if (ret) { + dev_err(&client->dev, "registering sysfs failed\n"); + goto fail3; + } + return ret; +fail3: + for (i = 0; i < chip->num_leds; i++) { + led_classdev_unregister(&chip->leds[i].cdev); + cancel_work_sync(&chip->leds[i].brightness_work); + } +fail2: + if (pdata->enable) + pdata->enable(0); + if (pdata->release_resources) + pdata->release_resources(); +fail1: + kfree(chip); + return ret; +} + +static int lp5523_remove(struct i2c_client *client) +{ + struct lp5523_chip *chip = i2c_get_clientdata(client); + int i; + + lp5523_unregister_sysfs(client); + + for (i = 0; i < chip->num_leds; i++) { + led_classdev_unregister(&chip->leds[i].cdev); + cancel_work_sync(&chip->leds[i].brightness_work); + } + + if (chip->pdata->enable) + chip->pdata->enable(0); + if (chip->pdata->release_resources) + chip->pdata->release_resources(); + kfree(chip); + return 0; +} + +static const struct i2c_device_id lp5523_id[] = { + { "lp5523", 0 }, + { } +}; + +MODULE_DEVICE_TABLE(i2c, lp5523_id); + +static struct i2c_driver lp5523_driver = { + .driver = { + .name = "lp5523", + }, + .probe = lp5523_probe, + .remove = lp5523_remove, + .id_table = lp5523_id, +}; + +static int __init lp5523_init(void) +{ + int ret; + + ret = i2c_add_driver(&lp5523_driver); + + if (ret < 0) + printk(KERN_ALERT "Adding lp5523 driver failed\n"); + + return ret; +} + +static void __exit lp5523_exit(void) +{ + i2c_del_driver(&lp5523_driver); +} + +module_init(lp5523_init); +module_exit(lp5523_exit); + +MODULE_AUTHOR("Mathias Nyman <mathias.nyman@nokia.com>"); +MODULE_DESCRIPTION("LP5523 LED engine"); +MODULE_LICENSE("GPL"); diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c index 82b77bd482ff..b09bcbeade9c 100644 --- a/drivers/leds/ledtrig-timer.c +++ b/drivers/leds/ledtrig-timer.c @@ -12,73 +12,25 @@ */ #include <linux/module.h> -#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/list.h> -#include <linux/spinlock.h> #include <linux/device.h> -#include <linux/sysdev.h> -#include <linux/timer.h> #include <linux/ctype.h> #include <linux/leds.h> -#include <linux/slab.h> #include "leds.h" -struct timer_trig_data { - int brightness_on; /* LED brightness during "on" period. - * (LED_OFF < brightness_on <= LED_FULL) - */ - unsigned long delay_on; /* milliseconds on */ - unsigned long delay_off; /* milliseconds off */ - struct timer_list timer; -}; - -static void led_timer_function(unsigned long data) -{ - struct led_classdev *led_cdev = (struct led_classdev *) data; - struct timer_trig_data *timer_data = led_cdev->trigger_data; - unsigned long brightness; - unsigned long delay; - - if (!timer_data->delay_on || !timer_data->delay_off) { - led_set_brightness(led_cdev, LED_OFF); - return; - } - - brightness = led_get_brightness(led_cdev); - if (!brightness) { - /* Time to switch the LED on. */ - brightness = timer_data->brightness_on; - delay = timer_data->delay_on; - } else { - /* Store the current brightness value to be able - * to restore it when the delay_off period is over. - */ - timer_data->brightness_on = brightness; - brightness = LED_OFF; - delay = timer_data->delay_off; - } - - led_set_brightness(led_cdev, brightness); - - mod_timer(&timer_data->timer, jiffies + msecs_to_jiffies(delay)); -} - static ssize_t led_delay_on_show(struct device *dev, struct device_attribute *attr, char *buf) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct timer_trig_data *timer_data = led_cdev->trigger_data; - return sprintf(buf, "%lu\n", timer_data->delay_on); + return sprintf(buf, "%lu\n", led_cdev->blink_delay_on); } static ssize_t led_delay_on_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct timer_trig_data *timer_data = led_cdev->trigger_data; int ret = -EINVAL; char *after; unsigned long state = simple_strtoul(buf, &after, 10); @@ -88,21 +40,7 @@ static ssize_t led_delay_on_store(struct device *dev, count++; if (count == size) { - if (timer_data->delay_on != state) { - /* the new value differs from the previous */ - timer_data->delay_on = state; - - /* deactivate previous settings */ - del_timer_sync(&timer_data->timer); - - /* try to activate hardware acceleration, if any */ - if (!led_cdev->blink_set || - led_cdev->blink_set(led_cdev, - &timer_data->delay_on, &timer_data->delay_off)) { - /* no hardware acceleration, blink via timer */ - mod_timer(&timer_data->timer, jiffies + 1); - } - } + led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off); ret = count; } @@ -113,16 +51,14 @@ static ssize_t led_delay_off_show(struct device *dev, struct device_attribute *attr, char *buf) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct timer_trig_data *timer_data = led_cdev->trigger_data; - return sprintf(buf, "%lu\n", timer_data->delay_off); + return sprintf(buf, "%lu\n", led_cdev->blink_delay_off); } static ssize_t led_delay_off_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - struct timer_trig_data *timer_data = led_cdev->trigger_data; int ret = -EINVAL; char *after; unsigned long state = simple_strtoul(buf, &after, 10); @@ -132,21 +68,7 @@ static ssize_t led_delay_off_store(struct device *dev, count++; if (count == size) { - if (timer_data->delay_off != state) { - /* the new value differs from the previous */ - timer_data->delay_off = state; - - /* deactivate previous settings */ - del_timer_sync(&timer_data->timer); - - /* try to activate hardware acceleration, if any */ - if (!led_cdev->blink_set || - led_cdev->blink_set(led_cdev, - &timer_data->delay_on, &timer_data->delay_off)) { - /* no hardware acceleration, blink via timer */ - mod_timer(&timer_data->timer, jiffies + 1); - } - } + led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state); ret = count; } @@ -158,60 +80,34 @@ static DEVICE_ATTR(delay_off, 0644, led_delay_off_show, led_delay_off_store); static void timer_trig_activate(struct led_classdev *led_cdev) { - struct timer_trig_data *timer_data; int rc; - timer_data = kzalloc(sizeof(struct timer_trig_data), GFP_KERNEL); - if (!timer_data) - return; - - timer_data->brightness_on = led_get_brightness(led_cdev); - if (timer_data->brightness_on == LED_OFF) - timer_data->brightness_on = led_cdev->max_brightness; - led_cdev->trigger_data = timer_data; - - init_timer(&timer_data->timer); - timer_data->timer.function = led_timer_function; - timer_data->timer.data = (unsigned long) led_cdev; + led_cdev->trigger_data = NULL; rc = device_create_file(led_cdev->dev, &dev_attr_delay_on); if (rc) - goto err_out; + return; rc = device_create_file(led_cdev->dev, &dev_attr_delay_off); if (rc) goto err_out_delayon; - /* If there is hardware support for blinking, start one - * user friendly blink rate chosen by the driver. - */ - if (led_cdev->blink_set) - led_cdev->blink_set(led_cdev, - &timer_data->delay_on, &timer_data->delay_off); + led_cdev->trigger_data = (void *)1; return; err_out_delayon: device_remove_file(led_cdev->dev, &dev_attr_delay_on); -err_out: - led_cdev->trigger_data = NULL; - kfree(timer_data); } static void timer_trig_deactivate(struct led_classdev *led_cdev) { - struct timer_trig_data *timer_data = led_cdev->trigger_data; - unsigned long on = 0, off = 0; - - if (timer_data) { + if (led_cdev->trigger_data) { device_remove_file(led_cdev->dev, &dev_attr_delay_on); device_remove_file(led_cdev->dev, &dev_attr_delay_off); - del_timer_sync(&timer_data->timer); - kfree(timer_data); } - /* If there is hardware support for blinking, stop it */ - if (led_cdev->blink_set) - led_cdev->blink_set(led_cdev, &on, &off); + /* Stop blinking */ + led_brightness_set(led_cdev, LED_OFF); } static struct led_trigger timer_led_trigger = { diff --git a/drivers/macintosh/adb-iop.c b/drivers/macintosh/adb-iop.c index 444696625171..f5f4da3d0b67 100644 --- a/drivers/macintosh/adb-iop.c +++ b/drivers/macintosh/adb-iop.c @@ -80,7 +80,7 @@ static void adb_iop_end_req(struct adb_request *req, int state) static void adb_iop_complete(struct iop_msg *msg) { struct adb_request *req; - uint flags; + unsigned long flags; local_irq_save(flags); @@ -103,7 +103,7 @@ static void adb_iop_listen(struct iop_msg *msg) { struct adb_iopmsg *amsg = (struct adb_iopmsg *) msg->message; struct adb_request *req; - uint flags; + unsigned long flags; #ifdef DEBUG_ADB_IOP int i; #endif diff --git a/drivers/md/md.c b/drivers/md/md.c index 4e957f3140a8..324a3663fcda 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -706,7 +706,7 @@ static struct mdk_personality *find_pers(int level, char *clevel) /* return the offset of the super block in 512byte sectors */ static inline sector_t calc_dev_sboffset(struct block_device *bdev) { - sector_t num_sectors = bdev->bd_inode->i_size / 512; + sector_t num_sectors = i_size_read(bdev->bd_inode) / 512; return MD_NEW_SIZE_SECTORS(num_sectors); } @@ -1386,7 +1386,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version) */ switch(minor_version) { case 0: - sb_start = rdev->bdev->bd_inode->i_size >> 9; + sb_start = i_size_read(rdev->bdev->bd_inode) >> 9; sb_start -= 8*2; sb_start &= ~(sector_t)(4*2-1); break; @@ -1472,7 +1472,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version) ret = 0; } if (minor_version) - rdev->sectors = (rdev->bdev->bd_inode->i_size >> 9) - + rdev->sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) - le64_to_cpu(sb->data_offset); else rdev->sectors = rdev->sb_start; @@ -1680,7 +1680,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors) return 0; /* component must fit device */ if (rdev->sb_start < rdev->data_offset) { /* minor versions 1 and 2; superblock before data */ - max_sectors = rdev->bdev->bd_inode->i_size >> 9; + max_sectors = i_size_read(rdev->bdev->bd_inode) >> 9; max_sectors -= rdev->data_offset; if (!num_sectors || num_sectors > max_sectors) num_sectors = max_sectors; @@ -1690,7 +1690,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors) } else { /* minor version 0; superblock after data */ sector_t sb_start; - sb_start = (rdev->bdev->bd_inode->i_size >> 9) - 8*2; + sb_start = (i_size_read(rdev->bdev->bd_inode) >> 9) - 8*2; sb_start &= ~(sector_t)(4*2 - 1); max_sectors = rdev->sectors + sb_start - rdev->sb_start; if (!num_sectors || num_sectors > max_sectors) @@ -2584,7 +2584,7 @@ rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len) if (!sectors) return -EBUSY; } else if (!sectors) - sectors = (rdev->bdev->bd_inode->i_size >> 9) - + sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) - rdev->data_offset; } if (sectors < my_mddev->dev_sectors) @@ -2797,7 +2797,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi kobject_init(&rdev->kobj, &rdev_ktype); - size = rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS; + size = i_size_read(rdev->bdev->bd_inode) >> BLOCK_SIZE_BITS; if (!size) { printk(KERN_WARNING "md: %s has zero or unknown size, marking faulty!\n", @@ -5235,8 +5235,8 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info) if (!mddev->persistent) { printk(KERN_INFO "md: nonpersistent superblock ...\n"); - rdev->sb_start = rdev->bdev->bd_inode->i_size / 512; - } else + rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512; + } else rdev->sb_start = calc_dev_sboffset(rdev->bdev); rdev->sectors = rdev->sb_start; @@ -5306,7 +5306,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) if (mddev->persistent) rdev->sb_start = calc_dev_sboffset(rdev->bdev); else - rdev->sb_start = rdev->bdev->bd_inode->i_size / 512; + rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512; rdev->sectors = rdev->sb_start; diff --git a/drivers/misc/apds9802als.c b/drivers/misc/apds9802als.c index f9b91ba8900c..0ed09358027e 100644 --- a/drivers/misc/apds9802als.c +++ b/drivers/misc/apds9802als.c @@ -123,7 +123,7 @@ static ssize_t als_sensing_range_store(struct device *dev, { struct i2c_client *client = to_i2c_client(dev); struct als_data *data = i2c_get_clientdata(client); - unsigned int ret_val; + int ret_val; unsigned long val; if (strict_strtoul(buf, 10, &val)) diff --git a/drivers/misc/bh1770glc.c b/drivers/misc/bh1770glc.c index cee632e645e1..d79a972f2c79 100644 --- a/drivers/misc/bh1770glc.c +++ b/drivers/misc/bh1770glc.c @@ -649,7 +649,7 @@ static ssize_t bh1770_power_state_store(struct device *dev, { struct bh1770_chip *chip = dev_get_drvdata(dev); unsigned long value; - size_t ret; + ssize_t ret; if (strict_strtoul(buf, 0, &value)) return -EINVAL; @@ -659,8 +659,12 @@ static ssize_t bh1770_power_state_store(struct device *dev, pm_runtime_get_sync(dev); ret = bh1770_lux_rate(chip, chip->lux_rate_index); - ret |= bh1770_lux_interrupt_control(chip, BH1770_ENABLE); + if (ret < 0) { + pm_runtime_put(dev); + goto leave; + } + ret = bh1770_lux_interrupt_control(chip, BH1770_ENABLE); if (ret < 0) { pm_runtime_put(dev); goto leave; diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c index 34fe835921c4..ca47e6285075 100644 --- a/drivers/misc/isl29020.c +++ b/drivers/misc/isl29020.c @@ -87,7 +87,7 @@ static ssize_t als_sensing_range_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); - unsigned int ret_val; + int ret_val; unsigned long val; if (strict_strtoul(buf, 10, &val)) @@ -106,6 +106,8 @@ static ssize_t als_sensing_range_store(struct device *dev, val = 4; ret_val = i2c_smbus_read_byte_data(client, 0x00); + if (ret_val < 0) + return ret_val; ret_val &= 0xFC; /*reset the bit before setting them */ ret_val |= val - 1; diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index eea1ef2f502b..4396d4b9bfb9 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -221,9 +221,6 @@ config RT2X00_LIB_LEDS boolean default y if (RT2X00_LIB=y && LEDS_CLASS=y) || (RT2X00_LIB=m && LEDS_CLASS!=n) -comment "rt2x00 leds support disabled due to modularized LEDS_CLASS and built-in rt2x00" - depends on RT2X00_LIB=y && LEDS_CLASS=m - config RT2X00_LIB_DEBUGFS bool "Ralink debugfs support" depends on RT2X00_LIB && MAC80211_DEBUGFS diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index 68cf0c99138a..7b5080c45569 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -1159,11 +1159,11 @@ int __devinit rio_init_mports(void) list_for_each_entry(port, &rio_mports, node) { if (!request_mem_region(port->iores.start, - port->iores.end - port->iores.start, + resource_size(&port->iores), port->name)) { printk(KERN_ERR "RIO: Error requesting master port region 0x%016llx-0x%016llx\n", - (u64)port->iores.start, (u64)port->iores.end - 1); + (u64)port->iores.start, (u64)port->iores.end); rc = -ENOMEM; goto out; } diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c index 359d1e04626c..f0d638922644 100644 --- a/drivers/rtc/rtc-ds1302.c +++ b/drivers/rtc/rtc-ds1302.c @@ -35,7 +35,7 @@ #ifdef CONFIG_SH_SECUREEDGE5410 #include <asm/rtc.h> -#include <mach/snapgear.h> +#include <mach/secureedge5410.h> #define RTC_RESET 0x1000 #define RTC_IODATA 0x0800 diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 1de30eb83bb0..f3cf924a2cd9 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -320,19 +320,11 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) "changed. The Linux SCSI layer does not " "automatically adjust these parameters.\n"); - if (scmd->request->cmd_flags & REQ_HARDBARRIER) - /* - * barrier requests should always retry on UA - * otherwise block will get a spurious error - */ - return NEEDS_RETRY; - else - /* - * for normal (non barrier) commands, pass the - * UA upwards for a determination in the - * completion functions - */ - return SUCCESS; + /* + * Pass the UA upwards for a determination in the completion + * functions. + */ + return SUCCESS; /* these three are not supported */ case COPY_ABORTED: diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c index d4b711c9a416..3374618300af 100644 --- a/drivers/serial/kgdboc.c +++ b/drivers/serial/kgdboc.c @@ -18,6 +18,7 @@ #include <linux/tty.h> #include <linux/console.h> #include <linux/vt_kern.h> +#include <linux/input.h> #define MAX_CONFIG_LEN 40 @@ -37,6 +38,61 @@ static struct tty_driver *kgdb_tty_driver; static int kgdb_tty_line; #ifdef CONFIG_KDB_KEYBOARD +static int kgdboc_reset_connect(struct input_handler *handler, + struct input_dev *dev, + const struct input_device_id *id) +{ + input_reset_device(dev); + + /* Retrun an error - we do not want to bind, just to reset */ + return -ENODEV; +} + +static void kgdboc_reset_disconnect(struct input_handle *handle) +{ + /* We do not expect anyone to actually bind to us */ + BUG(); +} + +static const struct input_device_id kgdboc_reset_ids[] = { + { + .flags = INPUT_DEVICE_ID_MATCH_EVBIT, + .evbit = { BIT_MASK(EV_KEY) }, + }, + { } +}; + +static struct input_handler kgdboc_reset_handler = { + .connect = kgdboc_reset_connect, + .disconnect = kgdboc_reset_disconnect, + .name = "kgdboc_reset", + .id_table = kgdboc_reset_ids, +}; + +static DEFINE_MUTEX(kgdboc_reset_mutex); + +static void kgdboc_restore_input_helper(struct work_struct *dummy) +{ + /* + * We need to take a mutex to prevent several instances of + * this work running on different CPUs so they don't try + * to register again already registered handler. + */ + mutex_lock(&kgdboc_reset_mutex); + + if (input_register_handler(&kgdboc_reset_handler) == 0) + input_unregister_handler(&kgdboc_reset_handler); + + mutex_unlock(&kgdboc_reset_mutex); +} + +static DECLARE_WORK(kgdboc_restore_input_work, kgdboc_restore_input_helper); + +static void kgdboc_restore_input(void) +{ + schedule_work(&kgdboc_restore_input_work); +} + static int kgdboc_register_kbd(char **cptr) { if (strncmp(*cptr, "kbd", 3) == 0) { @@ -64,10 +120,12 @@ static void kgdboc_unregister_kbd(void) i--; } } + flush_work_sync(&kgdboc_restore_input_work); } #else /* ! CONFIG_KDB_KEYBOARD */ #define kgdboc_register_kbd(x) 0 #define kgdboc_unregister_kbd() +#define kgdboc_restore_input() #endif /* ! CONFIG_KDB_KEYBOARD */ static int kgdboc_option_setup(char *opt) @@ -231,6 +289,7 @@ static void kgdboc_post_exp_handler(void) dbg_restore_graphics = 0; con_debug_leave(); } + kgdboc_restore_input(); } static struct kgdb_io kgdboc_io_ops = { diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c index fd0d1b98901c..09615b51d591 100644 --- a/drivers/sh/clk/core.c +++ b/drivers/sh/clk/core.c @@ -90,8 +90,8 @@ struct clk_rate_round_data { static long clk_rate_round_helper(struct clk_rate_round_data *rounder) { unsigned long rate_error, rate_error_prev = ~0UL; - unsigned long rate_best_fit = rounder->rate; unsigned long highest, lowest, freq; + long rate_best_fit = -ENOENT; int i; highest = 0; @@ -146,7 +146,7 @@ long clk_rate_table_round(struct clk *clk, }; if (clk->nr_freqs < 1) - return 0; + return -ENOSYS; return clk_rate_round_helper(&table_round); } @@ -541,6 +541,98 @@ long clk_round_rate(struct clk *clk, unsigned long rate) } EXPORT_SYMBOL_GPL(clk_round_rate); +long clk_round_parent(struct clk *clk, unsigned long target, + unsigned long *best_freq, unsigned long *parent_freq, + unsigned int div_min, unsigned int div_max) +{ + struct cpufreq_frequency_table *freq, *best = NULL; + unsigned long error = ULONG_MAX, freq_high, freq_low, div; + struct clk *parent = clk_get_parent(clk); + + if (!parent) { + *parent_freq = 0; + *best_freq = clk_round_rate(clk, target); + return abs(target - *best_freq); + } + + for (freq = parent->freq_table; freq->frequency != CPUFREQ_TABLE_END; + freq++) { + if (freq->frequency == CPUFREQ_ENTRY_INVALID) + continue; + + if (unlikely(freq->frequency / target <= div_min - 1)) { + unsigned long freq_max; + + freq_max = (freq->frequency + div_min / 2) / div_min; + if (error > target - freq_max) { + error = target - freq_max; + best = freq; + if (best_freq) + *best_freq = freq_max; + } + + pr_debug("too low freq %lu, error %lu\n", freq->frequency, + target - freq_max); + + if (!error) + break; + + continue; + } + + if (unlikely(freq->frequency / target >= div_max)) { + unsigned long freq_min; + + freq_min = (freq->frequency + div_max / 2) / div_max; + if (error > freq_min - target) { + error = freq_min - target; + best = freq; + if (best_freq) + *best_freq = freq_min; + } + + pr_debug("too high freq %lu, error %lu\n", freq->frequency, + freq_min - target); + + if (!error) + break; + + continue; + } + + div = freq->frequency / target; + freq_high = freq->frequency / div; + freq_low = freq->frequency / (div + 1); + + if (freq_high - target < error) { + error = freq_high - target; + best = freq; + if (best_freq) + *best_freq = freq_high; + } + + if (target - freq_low < error) { + error = target - freq_low; + best = freq; + if (best_freq) + *best_freq = freq_low; + } + + pr_debug("%u / %lu = %lu, / %lu = %lu, best %lu, parent %u\n", + freq->frequency, div, freq_high, div + 1, freq_low, + *best_freq, best->frequency); + + if (!error) + break; + } + + if (parent_freq) + *parent_freq = best->frequency; + + return error; +} +EXPORT_SYMBOL_GPL(clk_round_parent); + #ifdef CONFIG_PM static int clks_sysdev_suspend(struct sys_device *dev, pm_message_t state) { diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c index 873a99ff8f64..e5e9e6735f7d 100644 --- a/drivers/sh/intc/core.c +++ b/drivers/sh/intc/core.c @@ -79,7 +79,7 @@ static void __init intc_register_irq(struct intc_desc *desc, * Register the IRQ position with the global IRQ map, then insert * it in to the radix tree. */ - irq_reserve_irqs(irq, 1); + irq_reserve_irq(irq); raw_spin_lock_irqsave(&intc_big_lock, flags); radix_tree_insert(&d->tree, enum_id, intc_irq_xlate_get(irq)); diff --git a/drivers/sh/intc/dynamic.c b/drivers/sh/intc/dynamic.c index 4187cce20ffd..a3677c9dfe36 100644 --- a/drivers/sh/intc/dynamic.c +++ b/drivers/sh/intc/dynamic.c @@ -60,5 +60,5 @@ void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs) int i; for (i = 0; i < nr_vecs; i++) - irq_reserve_irqs(evt2irq(vectors[i].vect), 1); + irq_reserve_irq(evt2irq(vectors[i].vect)); } diff --git a/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c b/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c index 22c6c6659f5b..ee8b47746a15 100644 --- a/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c +++ b/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c @@ -285,9 +285,9 @@ A_STATUS SetupHIFScatterSupport(HIF_DEVICE *device, HIF_DEVICE_SCATTER_SUPPORT_I do { /* check if host supports scatter requests and it meets our requirements */ - if (device->func->card->host->max_hw_segs < MAX_SCATTER_ENTRIES_PER_REQ) { + if (device->func->card->host->max_segs < MAX_SCATTER_ENTRIES_PER_REQ) { AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HIF-SCATTER : host only supports scatter of : %d entries, need: %d \n", - device->func->card->host->max_hw_segs, MAX_SCATTER_ENTRIES_PER_REQ)); + device->func->card->host->max_segs, MAX_SCATTER_ENTRIES_PER_REQ)); status = A_ENOTSUP; break; } diff --git a/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h b/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h deleted file mode 100644 index e69de29bb2d1..000000000000 --- a/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h +++ /dev/null diff --git a/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h b/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h deleted file mode 100644 index e69de29bb2d1..000000000000 --- a/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h +++ /dev/null diff --git a/drivers/staging/solo6x10/solo6010-v4l2-enc.c b/drivers/staging/solo6x10/solo6010-v4l2-enc.c index bbf3d9c4abb0..097e82bc7a63 100644 --- a/drivers/staging/solo6x10/solo6010-v4l2-enc.c +++ b/drivers/staging/solo6x10/solo6010-v4l2-enc.c @@ -766,7 +766,7 @@ static int solo_enc_open(struct file *file) &solo_enc->lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, - sizeof(struct videobuf_buffer), fh); + sizeof(struct videobuf_buffer), fh, NULL); spin_unlock(&solo_enc->lock); diff --git a/drivers/staging/solo6x10/solo6010-v4l2.c b/drivers/staging/solo6x10/solo6010-v4l2.c index 9731fa02b5e8..6ffd21de837d 100644 --- a/drivers/staging/solo6x10/solo6010-v4l2.c +++ b/drivers/staging/solo6x10/solo6010-v4l2.c @@ -437,7 +437,7 @@ static int solo_v4l2_open(struct file *file) &solo_dev->pdev->dev, &fh->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, SOLO_DISP_PIX_FIELD, - sizeof(struct videobuf_buffer), fh); + sizeof(struct videobuf_buffer), fh, NULL); return 0; } diff --git a/drivers/tty/Makefile b/drivers/tty/Makefile new file mode 100644 index 000000000000..c43ef48b1a0f --- /dev/null +++ b/drivers/tty/Makefile @@ -0,0 +1,11 @@ +obj-y += tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o \ + tty_buffer.o tty_port.o tty_mutex.o +obj-$(CONFIG_LEGACY_PTYS) += pty.o +obj-$(CONFIG_UNIX98_PTYS) += pty.o +obj-$(CONFIG_AUDIT) += tty_audit.o +obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o +obj-$(CONFIG_N_HDLC) += n_hdlc.o +obj-$(CONFIG_N_GSM) += n_gsm.o +obj-$(CONFIG_R3964) += n_r3964.o + +obj-y += vt/ diff --git a/drivers/char/n_gsm.c b/drivers/tty/n_gsm.c index 04ef3ef0a422..04ef3ef0a422 100644 --- a/drivers/char/n_gsm.c +++ b/drivers/tty/n_gsm.c diff --git a/drivers/char/n_hdlc.c b/drivers/tty/n_hdlc.c index 47d32281032c..47d32281032c 100644 --- a/drivers/char/n_hdlc.c +++ b/drivers/tty/n_hdlc.c diff --git a/drivers/char/n_r3964.c b/drivers/tty/n_r3964.c index 88dda0c45ee0..88dda0c45ee0 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/tty/n_r3964.c diff --git a/drivers/char/n_tty.c b/drivers/tty/n_tty.c index 428f4fe0b5f7..428f4fe0b5f7 100644 --- a/drivers/char/n_tty.c +++ b/drivers/tty/n_tty.c diff --git a/drivers/char/pty.c b/drivers/tty/pty.c index 923a48585501..923a48585501 100644 --- a/drivers/char/pty.c +++ b/drivers/tty/pty.c diff --git a/drivers/char/sysrq.c b/drivers/tty/sysrq.c index eaa5d3efa79d..eaa5d3efa79d 100644 --- a/drivers/char/sysrq.c +++ b/drivers/tty/sysrq.c diff --git a/drivers/char/tty_audit.c b/drivers/tty/tty_audit.c index f64582b0f623..f64582b0f623 100644 --- a/drivers/char/tty_audit.c +++ b/drivers/tty/tty_audit.c diff --git a/drivers/char/tty_buffer.c b/drivers/tty/tty_buffer.c index cc1e9850d655..cc1e9850d655 100644 --- a/drivers/char/tty_buffer.c +++ b/drivers/tty/tty_buffer.c diff --git a/drivers/char/tty_io.c b/drivers/tty/tty_io.c index c05c5af5aa04..c05c5af5aa04 100644 --- a/drivers/char/tty_io.c +++ b/drivers/tty/tty_io.c diff --git a/drivers/char/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 0c1889971459..0c1889971459 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c diff --git a/drivers/char/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 412f9775d19c..412f9775d19c 100644 --- a/drivers/char/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c diff --git a/drivers/char/tty_mutex.c b/drivers/tty/tty_mutex.c index 133697540c73..133697540c73 100644 --- a/drivers/char/tty_mutex.c +++ b/drivers/tty/tty_mutex.c diff --git a/drivers/char/tty_port.c b/drivers/tty/tty_port.c index 33d37d230f8f..33d37d230f8f 100644 --- a/drivers/char/tty_port.c +++ b/drivers/tty/tty_port.c diff --git a/drivers/char/.gitignore b/drivers/tty/vt/.gitignore index 83683a2d8e6a..83683a2d8e6a 100644 --- a/drivers/char/.gitignore +++ b/drivers/tty/vt/.gitignore diff --git a/drivers/tty/vt/Makefile b/drivers/tty/vt/Makefile new file mode 100644 index 000000000000..14a51c9960df --- /dev/null +++ b/drivers/tty/vt/Makefile @@ -0,0 +1,34 @@ +# +# This file contains the font map for the default (hardware) font +# +FONTMAPFILE = cp437.uni + +obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o \ + selection.o keyboard.o +obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o +obj-$(CONFIG_HW_CONSOLE) += vt.o defkeymap.o + +# Files generated that shall be removed upon make clean +clean-files := consolemap_deftbl.c defkeymap.c + +quiet_cmd_conmk = CONMK $@ + cmd_conmk = scripts/conmakehash $< > $@ + +$(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE) + $(call cmd,conmk) + +$(obj)/defkeymap.o: $(obj)/defkeymap.c + +# Uncomment if you're changing the keymap and have an appropriate +# loadkeys version for the map. By default, we'll use the shipped +# versions. +# GENERATE_KEYMAP := 1 + +ifdef GENERATE_KEYMAP + +$(obj)/defkeymap.c: $(obj)/%.c: $(src)/%.map + loadkeys --mktable $< > $@.tmp + sed -e 's/^static *//' $@.tmp > $@ + rm $@.tmp + +endif diff --git a/drivers/char/consolemap.c b/drivers/tty/vt/consolemap.c index 45d3e80156d4..45d3e80156d4 100644 --- a/drivers/char/consolemap.c +++ b/drivers/tty/vt/consolemap.c diff --git a/drivers/char/cp437.uni b/drivers/tty/vt/cp437.uni index bc6163484f62..bc6163484f62 100644 --- a/drivers/char/cp437.uni +++ b/drivers/tty/vt/cp437.uni diff --git a/drivers/char/defkeymap.c_shipped b/drivers/tty/vt/defkeymap.c_shipped index d2208dfe3f67..d2208dfe3f67 100644 --- a/drivers/char/defkeymap.c_shipped +++ b/drivers/tty/vt/defkeymap.c_shipped diff --git a/drivers/char/defkeymap.map b/drivers/tty/vt/defkeymap.map index 50b30cace261..50b30cace261 100644 --- a/drivers/char/defkeymap.map +++ b/drivers/tty/vt/defkeymap.map diff --git a/drivers/char/keyboard.c b/drivers/tty/vt/keyboard.c index e95d7876ca6b..e95d7876ca6b 100644 --- a/drivers/char/keyboard.c +++ b/drivers/tty/vt/keyboard.c diff --git a/drivers/char/selection.c b/drivers/tty/vt/selection.c index ebae344ce910..ebae344ce910 100644 --- a/drivers/char/selection.c +++ b/drivers/tty/vt/selection.c diff --git a/drivers/char/vc_screen.c b/drivers/tty/vt/vc_screen.c index 273ab44cc91d..273ab44cc91d 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c diff --git a/drivers/char/vt.c b/drivers/tty/vt/vt.c index a8ec48ed14d9..a8ec48ed14d9 100644 --- a/drivers/char/vt.c +++ b/drivers/tty/vt/vt.c diff --git a/drivers/char/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 6b68a0fb4611..6b68a0fb4611 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 2054b1e25a65..d1268191acbd 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -331,10 +331,7 @@ static struct urb *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp, iu->iu_id = IU_ID_COMMAND; iu->tag = cpu_to_be16(stream_id); - if (sdev->ordered_tags && (cmnd->request->cmd_flags & REQ_HARDBARRIER)) - iu->prio_attr = UAS_ORDERED_TAG; - else - iu->prio_attr = UAS_SIMPLE_TAG; + iu->prio_attr = UAS_SIMPLE_TAG; iu->len = len; int_to_scsilun(sdev->lun, &iu->lun); memcpy(iu->cdb, cmnd->cmnd, cmnd->cmd_len); diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c index 3ec24609151e..734c650a47c4 100644 --- a/drivers/video/backlight/adp8860_bl.c +++ b/drivers/video/backlight/adp8860_bl.c @@ -502,8 +502,10 @@ static ssize_t adp8860_bl_l1_daylight_max_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct adp8860_bl *data = dev_get_drvdata(dev); + int ret = strict_strtoul(buf, 10, &data->cached_daylight_max); + if (ret) + return ret; - strict_strtoul(buf, 10, &data->cached_daylight_max); return adp8860_store(dev, buf, count, ADP8860_BLMX1); } static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show, @@ -614,7 +616,7 @@ static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev, if (val == 0) { /* Enable automatic ambient light sensing */ adp8860_set_bits(data->client, ADP8860_MDCR, CMP_AUTOEN); - } else if ((val > 0) && (val < 6)) { + } else if ((val > 0) && (val <= 3)) { /* Disable automatic ambient light sensing */ adp8860_clr_bits(data->client, ADP8860_MDCR, CMP_AUTOEN); @@ -622,7 +624,7 @@ static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev, mutex_lock(&data->lock); adp8860_read(data->client, ADP8860_CFGR, ®_val); reg_val &= ~(CFGR_BLV_MASK << CFGR_BLV_SHIFT); - reg_val |= val << CFGR_BLV_SHIFT; + reg_val |= (val - 1) << CFGR_BLV_SHIFT; adp8860_write(data->client, ADP8860_CFGR, reg_val); mutex_unlock(&data->lock); } diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index 9093ef0fa869..c67801e57aaf 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -78,7 +78,7 @@ static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power) const u16 slpin = 0x10; const u16 disoff = 0x28; - if (power) { + if (power <= FB_BLANK_NORMAL) { if (priv->lcd_on) return 0; diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c index abc43a0eb97d..5d3cf33953ac 100644 --- a/drivers/video/backlight/lms283gf05.c +++ b/drivers/video/backlight/lms283gf05.c @@ -129,7 +129,7 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power) struct spi_device *spi = st->spi; struct lms283gf05_pdata *pdata = spi->dev.platform_data; - if (power) { + if (power <= FB_BLANK_NORMAL) { if (pdata) lms283gf05_reset(pdata->reset_gpio, pdata->reset_inverted); diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c index 9fb533f6373e..1485f7345f49 100644 --- a/drivers/video/backlight/mbp_nvidia_bl.c +++ b/drivers/video/backlight/mbp_nvidia_bl.c @@ -335,6 +335,24 @@ static const struct dmi_system_id __initdata mbp_device_table[] = { }, .driver_data = (void *)&nvidia_chipset_data, }, + { + .callback = mbp_dmi_match, + .ident = "MacBookAir 3,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir3,1"), + }, + .driver_data = (void *)&nvidia_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBookAir 3,2", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir3,2"), + }, + .driver_data = (void *)&nvidia_chipset_data, + }, { } }; diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 550443518891..21866ec69656 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -25,6 +25,7 @@ struct pwm_bl_data { struct pwm_device *pwm; struct device *dev; unsigned int period; + unsigned int lth_brightness; int (*notify)(struct device *, int brightness); }; @@ -48,7 +49,9 @@ static int pwm_backlight_update_status(struct backlight_device *bl) pwm_config(pb->pwm, 0, pb->period); pwm_disable(pb->pwm); } else { - pwm_config(pb->pwm, brightness * pb->period / max, pb->period); + brightness = pb->lth_brightness + + (brightness * (pb->period - pb->lth_brightness) / max); + pwm_config(pb->pwm, brightness, pb->period); pwm_enable(pb->pwm); } return 0; @@ -92,6 +95,8 @@ static int pwm_backlight_probe(struct platform_device *pdev) pb->period = data->pwm_period_ns; pb->notify = data->notify; + pb->lth_brightness = data->lth_brightness * + (data->pwm_period_ns / data->max_brightness); pb->dev = &pdev->dev; pb->pwm = pwm_request(data->pwm_id, "backlight"); diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c index a3128c9cb7ad..5927db0da999 100644 --- a/drivers/video/backlight/s6e63m0.c +++ b/drivers/video/backlight/s6e63m0.c @@ -729,10 +729,10 @@ static ssize_t s6e63m0_sysfs_show_gamma_table(struct device *dev, return strlen(buf); } -static DEVICE_ATTR(gamma_table, 0644, +static DEVICE_ATTR(gamma_table, 0444, s6e63m0_sysfs_show_gamma_table, NULL); -static int __init s6e63m0_probe(struct spi_device *spi) +static int __devinit s6e63m0_probe(struct spi_device *spi) { int ret = 0; struct s6e63m0 *lcd = NULL; @@ -829,6 +829,9 @@ static int __devexit s6e63m0_remove(struct spi_device *spi) struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev); s6e63m0_power(lcd, FB_BLANK_POWERDOWN); + device_remove_file(&spi->dev, &dev_attr_gamma_table); + device_remove_file(&spi->dev, &dev_attr_gamma_mode); + backlight_device_unregister(lcd->bd); lcd_device_unregister(lcd->ld); kfree(lcd); @@ -370,6 +370,9 @@ struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs) { struct bio *bio; + if (nr_iovecs > UIO_MAXIOV) + return NULL; + bio = kmalloc(sizeof(struct bio) + nr_iovecs * sizeof(struct bio_vec), gfp_mask); if (unlikely(!bio)) @@ -697,8 +700,12 @@ static void bio_free_map_data(struct bio_map_data *bmd) static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count, gfp_t gfp_mask) { - struct bio_map_data *bmd = kmalloc(sizeof(*bmd), gfp_mask); + struct bio_map_data *bmd; + if (iov_count > UIO_MAXIOV) + return NULL; + + bmd = kmalloc(sizeof(*bmd), gfp_mask); if (!bmd) return NULL; @@ -827,6 +834,12 @@ struct bio *bio_copy_user_iov(struct request_queue *q, end = (uaddr + iov[i].iov_len + PAGE_SIZE - 1) >> PAGE_SHIFT; start = uaddr >> PAGE_SHIFT; + /* + * Overflow, abort + */ + if (end < start) + return ERR_PTR(-EINVAL); + nr_pages += end - start; len += iov[i].iov_len; } @@ -955,6 +968,12 @@ static struct bio *__bio_map_user_iov(struct request_queue *q, unsigned long end = (uaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT; unsigned long start = uaddr >> PAGE_SHIFT; + /* + * Overflow, abort + */ + if (end < start) + return ERR_PTR(-EINVAL); + nr_pages += end - start; /* * buffer must be aligned to at least hardsector size for now @@ -982,7 +1001,7 @@ static struct bio *__bio_map_user_iov(struct request_queue *q, unsigned long start = uaddr >> PAGE_SHIFT; const int local_nr_pages = end - start; const int page_limit = cur_page + local_nr_pages; - + ret = get_user_pages_fast(uaddr, local_nr_pages, write_to_vm, &pages[cur_page]); if (ret < local_nr_pages) { diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 39869c3c3efb..ef3a55bf86b6 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -2177,7 +2177,6 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) setattr_copy(inode, attrs); mark_inode_dirty(inode); - return 0; cifs_setattr_exit: kfree(full_path); diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 2fa22f20cfc5..0c98672d0122 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -38,10 +38,10 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) struct cifs_sb_info *cifs_sb; #ifdef CONFIG_CIFS_POSIX struct cifsFileInfo *pSMBFile = filep->private_data; - struct cifsTconInfo *tcon = tlink_tcon(pSMBFile->tlink); + struct cifsTconInfo *tcon; __u64 ExtAttrBits = 0; __u64 ExtAttrMask = 0; - __u64 caps = le64_to_cpu(tcon->fsUnixInfo.Capability); + __u64 caps; #endif /* CONFIG_CIFS_POSIX */ xid = GetXid(); @@ -62,6 +62,10 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) break; #ifdef CONFIG_CIFS_POSIX case FS_IOC_GETFLAGS: + if (pSMBFile == NULL) + break; + tcon = tlink_tcon(pSMBFile->tlink); + caps = le64_to_cpu(tcon->fsUnixInfo.Capability); if (CIFS_UNIX_EXTATTR_CAP & caps) { rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid, &ExtAttrBits, &ExtAttrMask); @@ -73,6 +77,10 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) break; case FS_IOC_SETFLAGS: + if (pSMBFile == NULL) + break; + tcon = tlink_tcon(pSMBFile->tlink); + caps = le64_to_cpu(tcon->fsUnixInfo.Capability); if (CIFS_UNIX_EXTATTR_CAP & caps) { if (get_user(ExtAttrBits, (int __user *)arg)) { rc = -EFAULT; diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 8b5dd6369f82..6a5edea2d70b 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -177,7 +177,7 @@ struct mpage_da_data { struct ext4_io_page { struct page *p_page; - int p_count; + atomic_t p_count; }; #define MAX_IO_PAGES 128 @@ -858,6 +858,7 @@ struct ext4_inode_info { spinlock_t i_completed_io_lock; /* current io_end structure for async DIO write*/ ext4_io_end_t *cur_aio_dio; + atomic_t i_ioend_count; /* Number of outstanding io_end structs */ /* * Transactions that contain inode's metadata needed to complete @@ -2060,6 +2061,7 @@ extern int ext4_move_extents(struct file *o_filp, struct file *d_filp, /* page-io.c */ extern int __init ext4_init_pageio(void); extern void ext4_exit_pageio(void); +extern void ext4_ioend_wait(struct inode *); extern void ext4_free_io_end(ext4_io_end_t *io); extern ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags); extern int ext4_end_io_nolock(ext4_io_end_t *io); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 4d78342f3bf0..bdbe69902207 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -53,6 +53,7 @@ static inline int ext4_begin_ordered_truncate(struct inode *inode, loff_t new_size) { + trace_ext4_begin_ordered_truncate(inode, new_size); return jbd2_journal_begin_ordered_truncate( EXT4_SB(inode->i_sb)->s_journal, &EXT4_I(inode)->jinode, @@ -178,6 +179,7 @@ void ext4_evict_inode(struct inode *inode) handle_t *handle; int err; + trace_ext4_evict_inode(inode); if (inode->i_nlink) { truncate_inode_pages(&inode->i_data, 0); goto no_delete; @@ -5647,6 +5649,7 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode) int err, ret; might_sleep(); + trace_ext4_mark_inode_dirty(inode, _RET_IP_); err = ext4_reserve_inode_write(handle, inode, &iloc); if (ext4_handle_valid(handle) && EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize && diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index c58eba34724a..5b4d4e3a4d58 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4640,8 +4640,6 @@ do_more: * with group lock held. generate_buddy look at * them with group lock_held */ - if (test_opt(sb, DISCARD)) - ext4_issue_discard(sb, block_group, bit, count); ext4_lock_group(sb, block_group); mb_clear_bits(bitmap_bh->b_data, bit, count); mb_free_blocks(inode, &e4b, bit, count); diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 46a7d6a9d976..7f5451cd1d38 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -32,8 +32,14 @@ static struct kmem_cache *io_page_cachep, *io_end_cachep; +#define WQ_HASH_SZ 37 +#define to_ioend_wq(v) (&ioend_wq[((unsigned long)v) % WQ_HASH_SZ]) +static wait_queue_head_t ioend_wq[WQ_HASH_SZ]; + int __init ext4_init_pageio(void) { + int i; + io_page_cachep = KMEM_CACHE(ext4_io_page, SLAB_RECLAIM_ACCOUNT); if (io_page_cachep == NULL) return -ENOMEM; @@ -42,6 +48,8 @@ int __init ext4_init_pageio(void) kmem_cache_destroy(io_page_cachep); return -ENOMEM; } + for (i = 0; i < WQ_HASH_SZ; i++) + init_waitqueue_head(&ioend_wq[i]); return 0; } @@ -52,24 +60,37 @@ void ext4_exit_pageio(void) kmem_cache_destroy(io_page_cachep); } +void ext4_ioend_wait(struct inode *inode) +{ + wait_queue_head_t *wq = to_ioend_wq(inode); + + wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_ioend_count) == 0)); +} + +static void put_io_page(struct ext4_io_page *io_page) +{ + if (atomic_dec_and_test(&io_page->p_count)) { + end_page_writeback(io_page->p_page); + put_page(io_page->p_page); + kmem_cache_free(io_page_cachep, io_page); + } +} + void ext4_free_io_end(ext4_io_end_t *io) { int i; + wait_queue_head_t *wq; BUG_ON(!io); if (io->page) put_page(io->page); - for (i = 0; i < io->num_io_pages; i++) { - if (--io->pages[i]->p_count == 0) { - struct page *page = io->pages[i]->p_page; - - end_page_writeback(page); - put_page(page); - kmem_cache_free(io_page_cachep, io->pages[i]); - } - } + for (i = 0; i < io->num_io_pages; i++) + put_io_page(io->pages[i]); io->num_io_pages = 0; - iput(io->inode); + wq = to_ioend_wq(io->inode); + if (atomic_dec_and_test(&EXT4_I(io->inode)->i_ioend_count) && + waitqueue_active(wq)) + wake_up_all(wq); kmem_cache_free(io_end_cachep, io); } @@ -142,8 +163,8 @@ ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags) io = kmem_cache_alloc(io_end_cachep, flags); if (io) { memset(io, 0, sizeof(*io)); - io->inode = igrab(inode); - BUG_ON(!io->inode); + atomic_inc(&EXT4_I(inode)->i_ioend_count); + io->inode = inode; INIT_WORK(&io->work, ext4_end_io_work); INIT_LIST_HEAD(&io->list); } @@ -171,35 +192,15 @@ static void ext4_end_bio(struct bio *bio, int error) struct workqueue_struct *wq; struct inode *inode; unsigned long flags; - ext4_fsblk_t err_block; int i; BUG_ON(!io_end); - inode = io_end->inode; bio->bi_private = NULL; bio->bi_end_io = NULL; if (test_bit(BIO_UPTODATE, &bio->bi_flags)) error = 0; - err_block = bio->bi_sector >> (inode->i_blkbits - 9); bio_put(bio); - if (!(inode->i_sb->s_flags & MS_ACTIVE)) { - pr_err("sb umounted, discard end_io request for inode %lu\n", - io_end->inode->i_ino); - ext4_free_io_end(io_end); - return; - } - - if (error) { - io_end->flag |= EXT4_IO_END_ERROR; - ext4_warning(inode->i_sb, "I/O error writing to inode %lu " - "(offset %llu size %ld starting block %llu)", - inode->i_ino, - (unsigned long long) io_end->offset, - (long) io_end->size, - (unsigned long long) err_block); - } - for (i = 0; i < io_end->num_io_pages; i++) { struct page *page = io_end->pages[i]->p_page; struct buffer_head *bh, *head; @@ -236,13 +237,7 @@ static void ext4_end_bio(struct bio *bio, int error) } while (bh != head); } - if (--io_end->pages[i]->p_count == 0) { - struct page *page = io_end->pages[i]->p_page; - - end_page_writeback(page); - put_page(page); - kmem_cache_free(io_page_cachep, io_end->pages[i]); - } + put_io_page(io_end->pages[i]); /* * If this is a partial write which happened to make @@ -254,8 +249,19 @@ static void ext4_end_bio(struct bio *bio, int error) if (!partial_write) SetPageUptodate(page); } - io_end->num_io_pages = 0; + inode = io_end->inode; + + if (error) { + io_end->flag |= EXT4_IO_END_ERROR; + ext4_warning(inode->i_sb, "I/O error writing to inode %lu " + "(offset %llu size %ld starting block %llu)", + inode->i_ino, + (unsigned long long) io_end->offset, + (long) io_end->size, + (unsigned long long) + bio->bi_sector >> (inode->i_blkbits - 9)); + } /* Add the io_end to per-inode completed io list*/ spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags); @@ -305,7 +311,6 @@ static int io_submit_init(struct ext4_io_submit *io, bio->bi_private = io->io_end = io_end; bio->bi_end_io = ext4_end_bio; - io_end->inode = inode; io_end->offset = (page->index << PAGE_CACHE_SHIFT) + bh_offset(bh); io->io_bio = bio; @@ -360,7 +365,7 @@ submit_and_retry: if ((io_end->num_io_pages == 0) || (io_end->pages[io_end->num_io_pages-1] != io_page)) { io_end->pages[io_end->num_io_pages++] = io_page; - io_page->p_count++; + atomic_inc(&io_page->p_count); } return 0; } @@ -389,7 +394,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io, return -ENOMEM; } io_page->p_page = page; - io_page->p_count = 0; + atomic_set(&io_page->p_count, 1); get_page(page); for (bh = head = page_buffers(page), block_start = 0; @@ -421,10 +426,6 @@ int ext4_bio_write_page(struct ext4_io_submit *io, * PageWriteback bit from the page to prevent the system from * wedging later on. */ - if (io_page->p_count == 0) { - put_page(page); - end_page_writeback(page); - kmem_cache_free(io_page_cachep, io_page); - } + put_io_page(io_page); return ret; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 40131b777af6..61182fe6254e 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -828,12 +828,22 @@ static struct inode *ext4_alloc_inode(struct super_block *sb) ei->cur_aio_dio = NULL; ei->i_sync_tid = 0; ei->i_datasync_tid = 0; + atomic_set(&ei->i_ioend_count, 0); return &ei->vfs_inode; } +static int ext4_drop_inode(struct inode *inode) +{ + int drop = generic_drop_inode(inode); + + trace_ext4_drop_inode(inode, drop); + return drop; +} + static void ext4_destroy_inode(struct inode *inode) { + ext4_ioend_wait(inode); if (!list_empty(&(EXT4_I(inode)->i_orphan))) { ext4_msg(inode->i_sb, KERN_ERR, "Inode %lu (%p): orphan list check failed!", @@ -1173,6 +1183,7 @@ static const struct super_operations ext4_sops = { .destroy_inode = ext4_destroy_inode, .write_inode = ext4_write_inode, .dirty_inode = ext4_dirty_inode, + .drop_inode = ext4_drop_inode, .evict_inode = ext4_evict_inode, .put_super = ext4_put_super, .sync_fs = ext4_sync_fs, @@ -1194,6 +1205,7 @@ static const struct super_operations ext4_nojournal_sops = { .destroy_inode = ext4_destroy_inode, .write_inode = ext4_write_inode, .dirty_inode = ext4_dirty_inode, + .drop_inode = ext4_drop_inode, .evict_inode = ext4_evict_inode, .write_super = ext4_write_super, .put_super = ext4_put_super, @@ -2699,7 +2711,6 @@ static int ext4_lazyinit_thread(void *arg) struct ext4_li_request *elr; unsigned long next_wakeup; DEFINE_WAIT(wait); - int ret; BUG_ON(NULL == eli); @@ -2723,13 +2734,12 @@ cont_thread: elr = list_entry(pos, struct ext4_li_request, lr_request); - if (time_after_eq(jiffies, elr->lr_next_sched)) - ret = ext4_run_li_request(elr); - - if (ret) { - ret = 0; - ext4_remove_li_request(elr); - continue; + if (time_after_eq(jiffies, elr->lr_next_sched)) { + if (ext4_run_li_request(elr) != 0) { + /* error, remove the lazy_init job */ + ext4_remove_li_request(elr); + continue; + } } if (time_before(elr->lr_next_sched, next_wakeup)) @@ -2740,7 +2750,8 @@ cont_thread: if (freezing(current)) refrigerator(); - if (time_after_eq(jiffies, next_wakeup)) { + if ((time_after_eq(jiffies, next_wakeup)) || + (MAX_JIFFY_OFFSET == next_wakeup)) { cond_resched(); continue; } @@ -3348,6 +3359,24 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); + err = percpu_counter_init(&sbi->s_freeblocks_counter, + ext4_count_free_blocks(sb)); + if (!err) { + err = percpu_counter_init(&sbi->s_freeinodes_counter, + ext4_count_free_inodes(sb)); + } + if (!err) { + err = percpu_counter_init(&sbi->s_dirs_counter, + ext4_count_dirs(sb)); + } + if (!err) { + err = percpu_counter_init(&sbi->s_dirtyblocks_counter, 0); + } + if (err) { + ext4_msg(sb, KERN_ERR, "insufficient memory"); + goto failed_mount3; + } + sbi->s_stripe = ext4_get_stripe_size(sbi); sbi->s_max_writeback_mb_bump = 128; @@ -3446,22 +3475,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) } set_task_ioprio(sbi->s_journal->j_task, journal_ioprio); -no_journal: - err = percpu_counter_init(&sbi->s_freeblocks_counter, - ext4_count_free_blocks(sb)); - if (!err) - err = percpu_counter_init(&sbi->s_freeinodes_counter, - ext4_count_free_inodes(sb)); - if (!err) - err = percpu_counter_init(&sbi->s_dirs_counter, - ext4_count_dirs(sb)); - if (!err) - err = percpu_counter_init(&sbi->s_dirtyblocks_counter, 0); - if (err) { - ext4_msg(sb, KERN_ERR, "insufficient memory"); - goto failed_mount_wq; - } + /* + * The journal may have updated the bg summary counts, so we + * need to update the global counters. + */ + percpu_counter_set(&sbi->s_freeblocks_counter, + ext4_count_free_blocks(sb)); + percpu_counter_set(&sbi->s_freeinodes_counter, + ext4_count_free_inodes(sb)); + percpu_counter_set(&sbi->s_dirs_counter, + ext4_count_dirs(sb)); + percpu_counter_set(&sbi->s_dirtyblocks_counter, 0); +no_journal: EXT4_SB(sb)->dio_unwritten_wq = create_workqueue("ext4-dio-unwritten"); if (!EXT4_SB(sb)->dio_unwritten_wq) { printk(KERN_ERR "EXT4-fs: failed to create DIO workqueue\n"); @@ -3611,10 +3637,6 @@ failed_mount_wq: jbd2_journal_destroy(sbi->s_journal); sbi->s_journal = NULL; } - percpu_counter_destroy(&sbi->s_freeblocks_counter); - percpu_counter_destroy(&sbi->s_freeinodes_counter); - percpu_counter_destroy(&sbi->s_dirs_counter); - percpu_counter_destroy(&sbi->s_dirtyblocks_counter); failed_mount3: if (sbi->s_flex_groups) { if (is_vmalloc_addr(sbi->s_flex_groups)) @@ -3622,6 +3644,10 @@ failed_mount3: else kfree(sbi->s_flex_groups); } + percpu_counter_destroy(&sbi->s_freeblocks_counter); + percpu_counter_destroy(&sbi->s_freeinodes_counter); + percpu_counter_destroy(&sbi->s_dirs_counter); + percpu_counter_destroy(&sbi->s_dirtyblocks_counter); failed_mount2: for (i = 0; i < db_count; i++) brelse(sbi->s_group_desc[i]); @@ -3949,13 +3975,11 @@ static int ext4_commit_super(struct super_block *sb, int sync) else es->s_kbytes_written = cpu_to_le64(EXT4_SB(sb)->s_kbytes_written); - if (percpu_counter_initialized(&EXT4_SB(sb)->s_freeblocks_counter)) - ext4_free_blocks_count_set(es, percpu_counter_sum_positive( - &EXT4_SB(sb)->s_freeblocks_counter)); - if (percpu_counter_initialized(&EXT4_SB(sb)->s_freeinodes_counter)) - es->s_free_inodes_count = - cpu_to_le32(percpu_counter_sum_positive( - &EXT4_SB(sb)->s_freeinodes_counter)); + ext4_free_blocks_count_set(es, percpu_counter_sum_positive( + &EXT4_SB(sb)->s_freeblocks_counter)); + es->s_free_inodes_count = + cpu_to_le32(percpu_counter_sum_positive( + &EXT4_SB(sb)->s_freeinodes_counter)); sb->s_dirt = 0; BUFFER_TRACE(sbh, "marking dirty"); mark_buffer_dirty(sbh); @@ -4556,12 +4580,10 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, static int ext4_quota_off(struct super_block *sb, int type) { - /* Force all delayed allocation blocks to be allocated */ - if (test_opt(sb, DELALLOC)) { - down_read(&sb->s_umount); + /* Force all delayed allocation blocks to be allocated. + * Caller already holds s_umount sem */ + if (test_opt(sb, DELALLOC)) sync_filesystem(sb); - up_read(&sb->s_umount); - } return dquot_quota_off(sb, type); } diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index d6cfac1f0a40..a5fe68189eed 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -932,8 +932,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag, if (creat_flags == HUGETLB_SHMFS_INODE && !can_do_hugetlb_shm()) { *user = current_user(); if (user_shm_lock(size, *user)) { - WARN_ONCE(1, - "Using mlock ulimits for SHM_HUGETLB deprecated\n"); + printk_once(KERN_WARNING "Using mlock ulimits for SHM_HUGETLB is deprecated\n"); } else { *user = NULL; return ERR_PTR(-EPERM); diff --git a/fs/ioprio.c b/fs/ioprio.c index 748cfb92dcc6..2f7d05c89922 100644 --- a/fs/ioprio.c +++ b/fs/ioprio.c @@ -111,12 +111,14 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio) read_lock(&tasklist_lock); switch (which) { case IOPRIO_WHO_PROCESS: + rcu_read_lock(); if (!who) p = current; else p = find_task_by_vpid(who); if (p) ret = set_task_ioprio(p, ioprio); + rcu_read_unlock(); break; case IOPRIO_WHO_PGRP: if (!who) @@ -139,7 +141,12 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio) break; do_each_thread(g, p) { - if (__task_cred(p)->uid != who) + int match; + + rcu_read_lock(); + match = __task_cred(p)->uid == who; + rcu_read_unlock(); + if (!match) continue; ret = set_task_ioprio(p, ioprio); if (ret) @@ -200,12 +207,14 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who) read_lock(&tasklist_lock); switch (which) { case IOPRIO_WHO_PROCESS: + rcu_read_lock(); if (!who) p = current; else p = find_task_by_vpid(who); if (p) ret = get_task_ioprio(p); + rcu_read_unlock(); break; case IOPRIO_WHO_PGRP: if (!who) @@ -232,7 +241,12 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who) break; do_each_thread(g, p) { - if (__task_cred(p)->uid != user->uid) + int match; + + rcu_read_lock(); + match = __task_cred(p)->uid == user->uid; + rcu_read_unlock(); + if (!match) continue; tmpio = get_task_ioprio(p); if (tmpio < 0) diff --git a/fs/locks.c b/fs/locks.c index 65765cb6afed..0e62dd35d088 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1504,9 +1504,8 @@ static int do_fcntl_delete_lease(struct file *filp) static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) { - struct file_lock *fl; + struct file_lock *fl, *ret; struct fasync_struct *new; - struct inode *inode = filp->f_path.dentry->d_inode; int error; fl = lease_alloc(filp, arg); @@ -1518,13 +1517,16 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) locks_free_lock(fl); return -ENOMEM; } + ret = fl; lock_flocks(); - error = __vfs_setlease(filp, arg, &fl); + error = __vfs_setlease(filp, arg, &ret); if (error) { unlock_flocks(); locks_free_lock(fl); goto out_free_fasync; } + if (ret != fl) + locks_free_lock(fl); /* * fasync_insert_entry() returns the old entry if any. @@ -1532,17 +1534,10 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) * inserted it into the fasync list. Clear new so that * we don't release it here. */ - if (!fasync_insert_entry(fd, filp, &fl->fl_fasync, new)) + if (!fasync_insert_entry(fd, filp, &ret->fl_fasync, new)) new = NULL; - if (error < 0) { - /* remove lease just inserted by setlease */ - fl->fl_type = F_UNLCK | F_INPROGRESS; - fl->fl_break_time = jiffies - 10; - time_out_leases(inode); - } else { - error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0); - } + error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0); unlock_flocks(); out_free_fasync: diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index f1e5ec6b5105..ad2bfa68d534 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -673,16 +673,17 @@ static void nfsd4_hash_conn(struct nfsd4_conn *conn, struct nfsd4_session *ses) spin_unlock(&clp->cl_lock); } -static void nfsd4_register_conn(struct nfsd4_conn *conn) +static int nfsd4_register_conn(struct nfsd4_conn *conn) { conn->cn_xpt_user.callback = nfsd4_conn_lost; - register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user); + return register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user); } static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses) { struct nfsd4_conn *conn; u32 flags = NFS4_CDFC4_FORE; + int ret; if (ses->se_flags & SESSION4_BACK_CHAN) flags |= NFS4_CDFC4_BACK; @@ -690,7 +691,10 @@ static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses) if (!conn) return nfserr_jukebox; nfsd4_hash_conn(conn, ses); - nfsd4_register_conn(conn); + ret = nfsd4_register_conn(conn); + if (ret) + /* oops; xprt is already down: */ + nfsd4_conn_lost(&conn->cn_xpt_user); return nfs_ok; } @@ -1644,6 +1648,7 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi { struct nfs4_client *clp = ses->se_client; struct nfsd4_conn *c; + int ret; spin_lock(&clp->cl_lock); c = __nfsd4_find_conn(new->cn_xprt, ses); @@ -1654,7 +1659,10 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi } __nfsd4_hash_conn(new, ses); spin_unlock(&clp->cl_lock); - nfsd4_register_conn(new); + ret = nfsd4_register_conn(new); + if (ret) + /* oops; xprt is already down: */ + nfsd4_conn_lost(&new->cn_xpt_user); return; } diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index ddb1f41376e5..911e61f348fc 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -418,7 +418,7 @@ out_no_root: static struct dentry *openprom_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) { - return mount_single(fs_type, flags, data, openprom_fill_super) + return mount_single(fs_type, flags, data, openprom_fill_super); } static struct file_system_type openprom_fs_type = { diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index c9af48fffcd7..7d287afccde5 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -1111,11 +1111,12 @@ xfs_vm_writepage( uptodate = 0; /* - * A hole may still be marked uptodate because discard_buffer - * leaves the flag set. + * set_page_dirty dirties all buffers in a page, independent + * of their state. The dirty state however is entirely + * meaningless for holes (!mapped && uptodate), so skip + * buffers covering holes here. */ if (!buffer_mapped(bh) && buffer_uptodate(bh)) { - ASSERT(!buffer_dirty(bh)); imap_valid = 0; continue; } diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 63fd2c07cb57..aa1d353def29 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1781,7 +1781,6 @@ xfs_buf_delwri_split( INIT_LIST_HEAD(list); spin_lock(dwlk); list_for_each_entry_safe(bp, n, dwq, b_list) { - trace_xfs_buf_delwri_split(bp, _RET_IP_); ASSERT(bp->b_flags & XBF_DELWRI); if (!XFS_BUF_ISPINNED(bp) && !xfs_buf_cond_lock(bp)) { @@ -1795,6 +1794,7 @@ xfs_buf_delwri_split( _XBF_RUN_QUEUES); bp->b_flags |= XBF_WRITE; list_move_tail(&bp->b_list, list); + trace_xfs_buf_delwri_split(bp, _RET_IP_); } else skipped++; } diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 2ea238f6d38e..ad442d9e392e 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -416,7 +416,7 @@ xfs_attrlist_by_handle( if (IS_ERR(dentry)) return PTR_ERR(dentry); - kbuf = kmalloc(al_hreq.buflen, GFP_KERNEL); + kbuf = kzalloc(al_hreq.buflen, GFP_KERNEL); if (!kbuf) goto out_dput; diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 96107efc0c61..94d5fd6a2973 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -762,7 +762,8 @@ xfs_setup_inode( inode->i_state = I_NEW; inode_sb_list_add(inode); - insert_inode_hash(inode); + /* make the inode look hashed for the writeback code */ + hlist_add_fake(&inode->i_hash); inode->i_mode = ip->i_d.di_mode; inode->i_nlink = ip->i_d.di_nlink; diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 9f3a78fe6ae4..064f964d4f3c 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -353,9 +353,6 @@ xfs_parseargs( mp->m_qflags &= ~XFS_OQUOTA_ENFD; } else if (!strcmp(this_char, MNTOPT_DELAYLOG)) { mp->m_flags |= XFS_MOUNT_DELAYLOG; - cmn_err(CE_WARN, - "Enabling EXPERIMENTAL delayed logging feature " - "- use at your own risk.\n"); } else if (!strcmp(this_char, MNTOPT_NODELAYLOG)) { mp->m_flags &= ~XFS_MOUNT_DELAYLOG; } else if (!strcmp(this_char, "ihashsize")) { diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c index 37d33254981d..afb0d7cfad1c 100644 --- a/fs/xfs/linux-2.6/xfs_sync.c +++ b/fs/xfs/linux-2.6/xfs_sync.c @@ -853,6 +853,7 @@ restart: if (trylock) { if (!mutex_trylock(&pag->pag_ici_reclaim_lock)) { skipped++; + xfs_perag_put(pag); continue; } first_index = pag->pag_ici_reclaim_cursor; diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index 9b715dce5699..9124425b7f2f 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -744,9 +744,15 @@ xfs_filestream_new_ag( * If the file's parent directory is known, take its iolock in exclusive * mode to prevent two sibling files from racing each other to migrate * themselves and their parent to different AGs. + * + * Note that we lock the parent directory iolock inside the child + * iolock here. That's fine as we never hold both parent and child + * iolock in any other place. This is different from the ilock, + * which requires locking of the child after the parent for namespace + * operations. */ if (pip) - xfs_ilock(pip, XFS_IOLOCK_EXCL); + xfs_ilock(pip, XFS_IOLOCK_EXCL | XFS_IOLOCK_PARENT); /* * A new AG needs to be found for the file. If the file's parent diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index b1498ab5a399..19e9dfa1c254 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -275,6 +275,7 @@ xfs_free_perag( pag = radix_tree_delete(&mp->m_perag_tree, agno); spin_unlock(&mp->m_perag_lock); ASSERT(pag); + ASSERT(atomic_read(&pag->pag_ref) == 0); call_rcu(&pag->rcu_head, __xfs_free_perag); } } diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index e0e64b113bd6..9bb6eda4cd21 100644 --- a/fs/xfs/xfs_quota.h +++ b/fs/xfs/xfs_quota.h @@ -346,8 +346,17 @@ xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid, #define xfs_trans_mod_dquot_byino(tp, ip, fields, delta) #define xfs_trans_apply_dquot_deltas(tp) #define xfs_trans_unreserve_and_mod_dquots(tp) -#define xfs_trans_reserve_quota_nblks(tp, ip, nblks, ninos, flags) (0) -#define xfs_trans_reserve_quota_bydquots(tp, mp, u, g, nb, ni, fl) (0) +static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp, + struct xfs_inode *ip, long nblks, long ninos, uint flags) +{ + return 0; +} +static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp, + struct xfs_mount *mp, struct xfs_dquot *udqp, + struct xfs_dquot *gdqp, long nblks, long nions, uint flags) +{ + return 0; +} #define xfs_qm_vop_create_dqattach(tp, ip, u, g) #define xfs_qm_vop_rename_dqattach(it) (0) #define xfs_qm_vop_chown(tp, ip, old, new) (NULL) @@ -357,11 +366,14 @@ xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid, #define xfs_qm_dqdetach(ip) #define xfs_qm_dqrele(d) #define xfs_qm_statvfs(ip, s) -#define xfs_qm_sync(mp, fl) (0) +static inline int xfs_qm_sync(struct xfs_mount *mp, int flags) +{ + return 0; +} #define xfs_qm_newmount(mp, a, b) (0) #define xfs_qm_mount_quotas(mp) #define xfs_qm_unmount(mp) -#define xfs_qm_unmount_quotas(mp) (0) +#define xfs_qm_unmount_quotas(mp) #endif /* CONFIG_XFS_QUOTA */ #define xfs_trans_unreserve_quota_nblks(tp, ip, nblks, ninos, flags) \ diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 5afa5b52063e..beafc156a535 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -432,6 +432,10 @@ extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo); * together with the @destroy function, * enables driver-specific objects derived from a ttm_buffer_object. * On successful return, the object kref and list_kref are set to 1. + * If a failure occurs, the function will call the @destroy function, or + * kfree() if @destroy is NULL. Thus, after a failure, dereferencing @bo is + * illegal and will likely cause memory corruption. + * * Returns * -ENOMEM: Out of memory. * -EINVAL: Invalid placement flags. diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index d01b4ddbdc56..8e0c848326b6 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -206,14 +206,84 @@ struct ttm_tt { struct ttm_mem_type_manager; struct ttm_mem_type_manager_func { + /** + * struct ttm_mem_type_manager member init + * + * @man: Pointer to a memory type manager. + * @p_size: Implementation dependent, but typically the size of the + * range to be managed in pages. + * + * Called to initialize a private range manager. The function is + * expected to initialize the man::priv member. + * Returns 0 on success, negative error code on failure. + */ int (*init)(struct ttm_mem_type_manager *man, unsigned long p_size); + + /** + * struct ttm_mem_type_manager member takedown + * + * @man: Pointer to a memory type manager. + * + * Called to undo the setup done in init. All allocated resources + * should be freed. + */ int (*takedown)(struct ttm_mem_type_manager *man); + + /** + * struct ttm_mem_type_manager member get_node + * + * @man: Pointer to a memory type manager. + * @bo: Pointer to the buffer object we're allocating space for. + * @placement: Placement details. + * @mem: Pointer to a struct ttm_mem_reg to be filled in. + * + * This function should allocate space in the memory type managed + * by @man. Placement details if + * applicable are given by @placement. If successful, + * @mem::mm_node should be set to a non-null value, and + * @mem::start should be set to a value identifying the beginning + * of the range allocated, and the function should return zero. + * If the memory region accomodate the buffer object, @mem::mm_node + * should be set to NULL, and the function should return 0. + * If a system error occured, preventing the request to be fulfilled, + * the function should return a negative error code. + * + * Note that @mem::mm_node will only be dereferenced by + * struct ttm_mem_type_manager functions and optionally by the driver, + * which has knowledge of the underlying type. + * + * This function may not be called from within atomic context, so + * an implementation can and must use either a mutex or a spinlock to + * protect any data structures managing the space. + */ int (*get_node)(struct ttm_mem_type_manager *man, struct ttm_buffer_object *bo, struct ttm_placement *placement, struct ttm_mem_reg *mem); + + /** + * struct ttm_mem_type_manager member put_node + * + * @man: Pointer to a memory type manager. + * @mem: Pointer to a struct ttm_mem_reg to be filled in. + * + * This function frees memory type resources previously allocated + * and that are identified by @mem::mm_node and @mem::start. May not + * be called from within atomic context. + */ void (*put_node)(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem); + + /** + * struct ttm_mem_type_manager member debug + * + * @man: Pointer to a memory type manager. + * @prefix: Prefix to be used in printout to identify the caller. + * + * This function is called to print out the state of the memory + * type manager to aid debugging of out-of-memory conditions. + * It may not be called from within atomic context. + */ void (*debug)(struct ttm_mem_type_manager *man, const char *prefix); }; @@ -231,14 +301,13 @@ struct ttm_mem_type_manager { uint64_t size; uint32_t available_caching; uint32_t default_caching; + const struct ttm_mem_type_manager_func *func; + void *priv; /* - * Protected by the bdev->lru_lock. - * TODO: Consider one lru_lock per ttm_mem_type_manager. - * Plays ill with list removal, though. + * Protected by the global->lru_lock. */ - const struct ttm_mem_type_manager_func *func; - void *priv; + struct list_head lru; }; diff --git a/include/linux/atomic.h b/include/linux/atomic.h new file mode 100644 index 000000000000..96c038e43d66 --- /dev/null +++ b/include/linux/atomic.h @@ -0,0 +1,37 @@ +#ifndef _LINUX_ATOMIC_H +#define _LINUX_ATOMIC_H +#include <asm/atomic.h> + +/** + * atomic_inc_not_zero_hint - increment if not null + * @v: pointer of type atomic_t + * @hint: probable value of the atomic before the increment + * + * This version of atomic_inc_not_zero() gives a hint of probable + * value of the atomic. This helps processor to not read the memory + * before doing the atomic read/modify/write cycle, lowering + * number of bus transactions on some arches. + * + * Returns: 0 if increment was not done, 1 otherwise. + */ +#ifndef atomic_inc_not_zero_hint +static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint) +{ + int val, c = hint; + + /* sanity test, should be removed by compiler if hint is a constant */ + if (!hint) + return atomic_inc_not_zero(v); + + do { + val = atomic_cmpxchg(v, c, c + 1); + if (val == c) + return 1; + c = val; + } while (c); + + return 0; +} +#endif + +#endif /* _LINUX_ATOMIC_H */ diff --git a/include/linux/bio.h b/include/linux/bio.h index ba679992d39b..35dcdb3589bc 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -66,10 +66,6 @@ #define bio_offset(bio) bio_iovec((bio))->bv_offset #define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx) #define bio_sectors(bio) ((bio)->bi_size >> 9) -#define bio_empty_barrier(bio) \ - ((bio->bi_rw & REQ_HARDBARRIER) && \ - !bio_has_data(bio) && \ - !(bio->bi_rw & REQ_DISCARD)) static inline unsigned int bio_cur_bytes(struct bio *bio) { diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 0437ab6bb54c..46ad5197537a 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -122,7 +122,6 @@ enum rq_flag_bits { __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */ __REQ_FAILFAST_DRIVER, /* no driver retries of driver errors */ - __REQ_HARDBARRIER, /* may not be passed by drive either */ __REQ_SYNC, /* request is sync (sync write or read) */ __REQ_META, /* metadata io request */ __REQ_DISCARD, /* request to discard sectors */ @@ -159,7 +158,6 @@ enum rq_flag_bits { #define REQ_FAILFAST_DEV (1 << __REQ_FAILFAST_DEV) #define REQ_FAILFAST_TRANSPORT (1 << __REQ_FAILFAST_TRANSPORT) #define REQ_FAILFAST_DRIVER (1 << __REQ_FAILFAST_DRIVER) -#define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER) #define REQ_SYNC (1 << __REQ_SYNC) #define REQ_META (1 << __REQ_META) #define REQ_DISCARD (1 << __REQ_DISCARD) @@ -168,8 +166,8 @@ enum rq_flag_bits { #define REQ_FAILFAST_MASK \ (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) #define REQ_COMMON_MASK \ - (REQ_WRITE | REQ_FAILFAST_MASK | REQ_HARDBARRIER | REQ_SYNC | \ - REQ_META | REQ_DISCARD | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) + (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_DISCARD | \ + REQ_NOIDLE | REQ_FLUSH | REQ_FUA) #define REQ_CLONE_MASK REQ_COMMON_MASK #define REQ_UNPLUG (1 << __REQ_UNPLUG) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5027a599077d..aae86fd10c4f 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -552,8 +552,7 @@ static inline void blk_clear_queue_full(struct request_queue *q, int sync) * it already be started by driver. */ #define RQ_NOMERGE_FLAGS \ - (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER | \ - REQ_FLUSH | REQ_FUA) + (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA) #define rq_mergeable(rq) \ (!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && \ (((rq)->cmd_flags & REQ_DISCARD) || \ diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 9b2a0158f399..ef44c7a0638c 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -53,7 +53,7 @@ extern const char *drbd_buildtag(void); -#define REL_VERSION "8.3.9rc2" +#define REL_VERSION "8.3.9" #define API_VERSION 88 #define PRO_VERSION_MIN 86 #define PRO_VERSION_MAX 95 diff --git a/include/linux/highmem.h b/include/linux/highmem.h index e9138198e823..b676c585574e 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -5,6 +5,7 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/uaccess.h> +#include <linux/hardirq.h> #include <asm/cacheflush.h> diff --git a/include/linux/i2c/adp5588.h b/include/linux/i2c/adp5588.h index 3c5d6b6e765c..cec17cf6cac2 100644 --- a/include/linux/i2c/adp5588.h +++ b/include/linux/i2c/adp5588.h @@ -1,7 +1,7 @@ /* * Analog Devices ADP5588 I/O Expander and QWERTY Keypad Controller * - * Copyright 2009 Analog Devices Inc. + * Copyright 2009-2010 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ @@ -77,13 +77,26 @@ /* Configuration Register1 */ #define ADP5588_AUTO_INC (1 << 7) #define ADP5588_GPIEM_CFG (1 << 6) +#define ADP5588_OVR_FLOW_M (1 << 5) #define ADP5588_INT_CFG (1 << 4) +#define ADP5588_OVR_FLOW_IEN (1 << 3) +#define ADP5588_K_LCK_IM (1 << 2) #define ADP5588_GPI_IEN (1 << 1) +#define ADP5588_KE_IEN (1 << 0) /* Interrupt Status Register */ +#define ADP5588_CMP2_INT (1 << 5) +#define ADP5588_CMP1_INT (1 << 4) +#define ADP5588_OVR_FLOW_INT (1 << 3) +#define ADP5588_K_LCK_INT (1 << 2) #define ADP5588_GPI_INT (1 << 1) #define ADP5588_KE_INT (1 << 0) +/* Key Lock and Event Counter Register */ +#define ADP5588_K_LCK_EN (1 << 6) +#define ADP5588_LCK21 0x30 +#define ADP5588_KEC 0xF + #define ADP5588_MAXGPIO 18 #define ADP5588_BANK(offs) ((offs) >> 3) #define ADP5588_BIT(offs) (1u << ((offs) & 0x7)) diff --git a/include/linux/input.h b/include/linux/input.h index 51af441f3a21..6ef44465db8d 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -1406,6 +1406,8 @@ static inline void input_set_drvdata(struct input_dev *dev, void *data) int __must_check input_register_device(struct input_dev *); void input_unregister_device(struct input_dev *); +void input_reset_device(struct input_dev *); + int __must_check input_register_handler(struct input_handler *); void input_unregister_handler(struct input_handler *); @@ -1421,7 +1423,7 @@ void input_release_device(struct input_handle *); int input_open_device(struct input_handle *); void input_close_device(struct input_handle *); -int input_flush_device(struct input_handle* handle, struct file* file); +int input_flush_device(struct input_handle *handle, struct file *file); void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value); void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value); diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index 3e70b21884a9..b2eee896dcbc 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h @@ -76,7 +76,6 @@ int put_io_context(struct io_context *ioc); void exit_io_context(struct task_struct *task); struct io_context *get_io_context(gfp_t gfp_flags, int node); struct io_context *alloc_io_context(gfp_t gfp_flags, int node); -void copy_io_context(struct io_context **pdst, struct io_context **psrc); #else static inline void exit_io_context(struct task_struct *task) { diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 450092c1e35f..fc3da9e4da19 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -60,7 +60,7 @@ extern const char linux_proc_banner[]; #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) #define roundup(x, y) ( \ { \ - typeof(y) __y = y; \ + const typeof(y) __y = y; \ (((x) + (__y - 1)) / __y) * __y; \ } \ ) @@ -293,6 +293,7 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies, unsigned int interval_msec); extern int printk_delay_msec; +extern int dmesg_restrict; /* * Print a one-time message (analogous to WARN_ONCE() et al): diff --git a/include/linux/leds-lp5521.h b/include/linux/leds-lp5521.h new file mode 100644 index 000000000000..38368d785f08 --- /dev/null +++ b/include/linux/leds-lp5521.h @@ -0,0 +1,47 @@ +/* + * LP5521 LED chip driver. + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __LINUX_LP5521_H +#define __LINUX_LP5521_H + +/* See Documentation/leds/leds-lp5521.txt */ + +struct lp5521_led_config { + u8 chan_nr; + u8 led_current; /* mA x10, 0 if led is not connected */ + u8 max_current; +}; + +#define LP5521_CLOCK_AUTO 0 +#define LP5521_CLOCK_INT 1 +#define LP5521_CLOCK_EXT 2 + +struct lp5521_platform_data { + struct lp5521_led_config *led_config; + u8 num_channels; + u8 clock_mode; + int (*setup_resources)(void); + void (*release_resources)(void); + void (*enable)(bool state); +}; + +#endif /* __LINUX_LP5521_H */ diff --git a/include/linux/leds-lp5523.h b/include/linux/leds-lp5523.h new file mode 100644 index 000000000000..796747637b80 --- /dev/null +++ b/include/linux/leds-lp5523.h @@ -0,0 +1,47 @@ +/* + * LP5523 LED Driver + * + * Copyright (C) 2010 Nokia Corporation + * + * Contact: Samu Onkalo <samu.p.onkalo@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __LINUX_LP5523_H +#define __LINUX_LP5523_H + +/* See Documentation/leds/leds-lp5523.txt */ + +struct lp5523_led_config { + u8 chan_nr; + u8 led_current; /* mA x10, 0 if led is not connected */ + u8 max_current; +}; + +#define LP5523_CLOCK_AUTO 0 +#define LP5523_CLOCK_INT 1 +#define LP5523_CLOCK_EXT 2 + +struct lp5523_platform_data { + struct lp5523_led_config *led_config; + u8 num_channels; + u8 clock_mode; + int (*setup_resources)(void); + void (*release_resources)(void); + void (*enable)(bool state); +}; + +#endif /* __LINUX_LP5523_H */ diff --git a/include/linux/leds.h b/include/linux/leds.h index ba6986a11663..0f19df9e37b0 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -15,6 +15,7 @@ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/rwsem.h> +#include <linux/timer.h> struct device; /* @@ -45,10 +46,14 @@ struct led_classdev { /* Get LED brightness level */ enum led_brightness (*brightness_get)(struct led_classdev *led_cdev); - /* Activate hardware accelerated blink, delays are in - * miliseconds and if none is provided then a sensible default - * should be chosen. The call can adjust the timings if it can't - * match the values specified exactly. */ + /* + * Activate hardware accelerated blink, delays are in milliseconds + * and if both are zero then a sensible default should be chosen. + * The call should adjust the timings in that case and if it can't + * match the values specified exactly. + * Deactivate blinking again when the brightness is set to a fixed + * value via the brightness_set() callback. + */ int (*blink_set)(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off); @@ -57,6 +62,10 @@ struct led_classdev { struct list_head node; /* LED Device list */ const char *default_trigger; /* Trigger to use */ + unsigned long blink_delay_on, blink_delay_off; + struct timer_list blink_timer; + int blink_brightness; + #ifdef CONFIG_LEDS_TRIGGERS /* Protects the trigger data below */ struct rw_semaphore trigger_lock; @@ -73,6 +82,36 @@ extern void led_classdev_unregister(struct led_classdev *led_cdev); extern void led_classdev_suspend(struct led_classdev *led_cdev); extern void led_classdev_resume(struct led_classdev *led_cdev); +/** + * led_blink_set - set blinking with software fallback + * @led_cdev: the LED to start blinking + * @delay_on: the time it should be on (in ms) + * @delay_off: the time it should ble off (in ms) + * + * This function makes the LED blink, attempting to use the + * hardware acceleration if possible, but falling back to + * software blinking if there is no hardware blinking or if + * the LED refuses the passed values. + * + * Note that if software blinking is active, simply calling + * led_cdev->brightness_set() will not stop the blinking, + * use led_classdev_brightness_set() instead. + */ +extern void led_blink_set(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off); +/** + * led_brightness_set - set LED brightness + * @led_cdev: the LED to set + * @brightness: the brightness to set it to + * + * Set an LED's brightness, and, if necessary, cancel the + * software blink timer that implements blinking when the + * hardware doesn't. + */ +extern void led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness brightness); + /* * LED Triggers */ diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h index d19e2114fd86..5c99da1078aa 100644 --- a/include/linux/mmc/sh_mmcif.h +++ b/include/linux/mmc/sh_mmcif.h @@ -59,19 +59,19 @@ struct sh_mmcif_plat_data { #define MMCIF_CE_HOST_STS2 0x0000004C #define MMCIF_CE_VERSION 0x0000007C -extern inline u32 sh_mmcif_readl(void __iomem *addr, int reg) +static inline u32 sh_mmcif_readl(void __iomem *addr, int reg) { return readl(addr + reg); } -extern inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val) +static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val) { writel(val, addr + reg); } #define SH_MMCIF_BBS 512 /* boot block size */ -extern inline void sh_mmcif_boot_cmd_send(void __iomem *base, +static inline void sh_mmcif_boot_cmd_send(void __iomem *base, unsigned long cmd, unsigned long arg) { sh_mmcif_writel(base, MMCIF_CE_INT, 0); @@ -79,7 +79,7 @@ extern inline void sh_mmcif_boot_cmd_send(void __iomem *base, sh_mmcif_writel(base, MMCIF_CE_CMD_SET, cmd); } -extern inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask) +static inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask) { unsigned long tmp; int cnt; @@ -95,14 +95,14 @@ extern inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask) return -1; } -extern inline int sh_mmcif_boot_cmd(void __iomem *base, +static inline int sh_mmcif_boot_cmd(void __iomem *base, unsigned long cmd, unsigned long arg) { sh_mmcif_boot_cmd_send(base, cmd, arg); return sh_mmcif_boot_cmd_poll(base, 0x00010000); } -extern inline int sh_mmcif_boot_do_read_single(void __iomem *base, +static inline int sh_mmcif_boot_do_read_single(void __iomem *base, unsigned int block_nr, unsigned long *buf) { @@ -125,7 +125,7 @@ extern inline int sh_mmcif_boot_do_read_single(void __iomem *base, return 0; } -extern inline int sh_mmcif_boot_do_read(void __iomem *base, +static inline int sh_mmcif_boot_do_read(void __iomem *base, unsigned long first_block, unsigned long nr_blocks, void *buf) @@ -143,7 +143,7 @@ extern inline int sh_mmcif_boot_do_read(void __iomem *base, return ret; } -extern inline void sh_mmcif_boot_init(void __iomem *base) +static inline void sh_mmcif_boot_init(void __iomem *base) { unsigned long tmp; @@ -177,7 +177,7 @@ extern inline void sh_mmcif_boot_init(void __iomem *base) sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000); } -extern inline void sh_mmcif_boot_slurp(void __iomem *base, +static inline void sh_mmcif_boot_slurp(void __iomem *base, unsigned char *buf, unsigned long no_bytes) { diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 057bf22a8323..40150f345982 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -747,6 +747,16 @@ struct perf_event { u64 tstamp_running; u64 tstamp_stopped; + /* + * timestamp shadows the actual context timing but it can + * be safely used in NMI interrupt context. It reflects the + * context time as it was when the event was last scheduled in. + * + * ctx_time already accounts for ctx->timestamp. Therefore to + * compute ctx_time for a sample, simply add perf_clock(). + */ + u64 shadow_ctx_time; + struct perf_event_attr attr; struct hw_perf_event hw; diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h index 01b3d759f1fc..e031e1a486d9 100644 --- a/include/linux/pwm_backlight.h +++ b/include/linux/pwm_backlight.h @@ -8,6 +8,7 @@ struct platform_pwm_backlight_data { int pwm_id; unsigned int max_brightness; unsigned int dft_brightness; + unsigned int lth_brightness; unsigned int pwm_period_ns; int (*init)(struct device *dev); int (*notify)(struct device *dev, int brightness); diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index a39cbed9ee17..ab2baa5c4884 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -34,19 +34,13 @@ * needed for RCU lookups (because root->height is unreliable). The only * time callers need worry about this is when doing a lookup_slot under * RCU. + * + * Indirect pointer in fact is also used to tag the last pointer of a node + * when it is shrunk, before we rcu free the node. See shrink code for + * details. */ #define RADIX_TREE_INDIRECT_PTR 1 -#define RADIX_TREE_RETRY ((void *)-1UL) - -static inline void *radix_tree_ptr_to_indirect(void *ptr) -{ - return (void *)((unsigned long)ptr | RADIX_TREE_INDIRECT_PTR); -} -static inline void *radix_tree_indirect_to_ptr(void *ptr) -{ - return (void *)((unsigned long)ptr & ~RADIX_TREE_INDIRECT_PTR); -} #define radix_tree_indirect_to_ptr(ptr) \ radix_tree_indirect_to_ptr((void __force *)(ptr)) @@ -140,16 +134,29 @@ do { \ * removed. * * For use with radix_tree_lookup_slot(). Caller must hold tree at least read - * locked across slot lookup and dereference. More likely, will be used with - * radix_tree_replace_slot(), as well, so caller will hold tree write locked. + * locked across slot lookup and dereference. Not required if write lock is + * held (ie. items cannot be concurrently inserted). + * + * radix_tree_deref_retry must be used to confirm validity of the pointer if + * only the read lock is held. */ static inline void *radix_tree_deref_slot(void **pslot) { - void *ret = rcu_dereference(*pslot); - if (unlikely(radix_tree_is_indirect_ptr(ret))) - ret = RADIX_TREE_RETRY; - return ret; + return rcu_dereference(*pslot); } + +/** + * radix_tree_deref_retry - check radix_tree_deref_slot + * @arg: pointer returned by radix_tree_deref_slot + * Returns: 0 if retry is not required, otherwise retry is required + * + * radix_tree_deref_retry must be used with radix_tree_deref_slot. + */ +static inline int radix_tree_deref_retry(void *arg) +{ + return unlikely((unsigned long)arg & RADIX_TREE_INDIRECT_PTR); +} + /** * radix_tree_replace_slot - replace item in a slot * @pslot: pointer to slot, returned by radix_tree_lookup_slot diff --git a/include/linux/resource.h b/include/linux/resource.h index 88d36f9145ba..d01c96c1966e 100644 --- a/include/linux/resource.h +++ b/include/linux/resource.h @@ -2,6 +2,7 @@ #define _LINUX_RESOURCE_H #include <linux/time.h> +#include <linux/types.h> /* * Resource control/accounting header file for linux diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h index 4dca992f3093..cea0c38e7a63 100644 --- a/include/linux/sh_clk.h +++ b/include/linux/sh_clk.h @@ -122,6 +122,10 @@ int clk_rate_table_find(struct clk *clk, long clk_rate_div_range_round(struct clk *clk, unsigned int div_min, unsigned int div_max, unsigned long rate); +long clk_round_parent(struct clk *clk, unsigned long target, + unsigned long *best_freq, unsigned long *parent_freq, + unsigned int div_min, unsigned int div_max); + #define SH_CLK_MSTP32(_parent, _enable_reg, _enable_bit, _flags) \ { \ .parent = _parent, \ diff --git a/include/linux/sh_timer.h b/include/linux/sh_timer.h index 864bd56bd3b0..4d9dcd138315 100644 --- a/include/linux/sh_timer.h +++ b/include/linux/sh_timer.h @@ -5,7 +5,6 @@ struct sh_timer_config { char *name; long channel_offset; int timer_bit; - char *clk; unsigned long clockevent_rating; unsigned long clocksource_rating; }; diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h index bbdb680ffbe9..aea0d438e3c7 100644 --- a/include/linux/sunrpc/svc_xprt.h +++ b/include/linux/sunrpc/svc_xprt.h @@ -82,18 +82,28 @@ struct svc_xprt { struct net *xpt_net; }; -static inline void register_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) +static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) { spin_lock(&xpt->xpt_lock); - list_add(&u->list, &xpt->xpt_users); + list_del_init(&u->list); spin_unlock(&xpt->xpt_lock); } -static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) +static inline int register_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u) { spin_lock(&xpt->xpt_lock); - list_del_init(&u->list); + if (test_bit(XPT_CLOSE, &xpt->xpt_flags)) { + /* + * The connection is about to be deleted soon (or, + * worse, may already be deleted--in which case we've + * already notified the xpt_users). + */ + spin_unlock(&xpt->xpt_lock); + return -ENOTCONN; + } + list_add(&u->list, &xpt->xpt_users); spin_unlock(&xpt->xpt_lock); + return 0; } int svc_reg_xprt_class(struct svc_xprt_class *); diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 289010d3270b..e5e345fb2a5c 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -98,6 +98,103 @@ TRACE_EVENT(ext4_allocate_inode, (unsigned long) __entry->dir, __entry->mode) ); +TRACE_EVENT(ext4_evict_inode, + TP_PROTO(struct inode *inode), + + TP_ARGS(inode), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( ino_t, ino ) + __field( int, nlink ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(inode->i_sb->s_dev); + __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->ino = inode->i_ino; + __entry->nlink = inode->i_nlink; + ), + + TP_printk("dev %d,%d ino %lu nlink %d", + __entry->dev_major, __entry->dev_minor, + (unsigned long) __entry->ino, __entry->nlink) +); + +TRACE_EVENT(ext4_drop_inode, + TP_PROTO(struct inode *inode, int drop), + + TP_ARGS(inode, drop), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( ino_t, ino ) + __field( int, drop ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(inode->i_sb->s_dev); + __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->ino = inode->i_ino; + __entry->drop = drop; + ), + + TP_printk("dev %d,%d ino %lu drop %d", + __entry->dev_major, __entry->dev_minor, + (unsigned long) __entry->ino, __entry->drop) +); + +TRACE_EVENT(ext4_mark_inode_dirty, + TP_PROTO(struct inode *inode, unsigned long IP), + + TP_ARGS(inode, IP), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( ino_t, ino ) + __field(unsigned long, ip ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(inode->i_sb->s_dev); + __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->ino = inode->i_ino; + __entry->ip = IP; + ), + + TP_printk("dev %d,%d ino %lu caller %pF", + __entry->dev_major, __entry->dev_minor, + (unsigned long) __entry->ino, (void *)__entry->ip) +); + +TRACE_EVENT(ext4_begin_ordered_truncate, + TP_PROTO(struct inode *inode, loff_t new_size), + + TP_ARGS(inode, new_size), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( ino_t, ino ) + __field( loff_t, new_size ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(inode->i_sb->s_dev); + __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->ino = inode->i_ino; + __entry->new_size = new_size; + ), + + TP_printk("dev %d,%d ino %lu new_size %lld", + __entry->dev_major, __entry->dev_minor, + (unsigned long) __entry->ino, + (long long) __entry->new_size) +); + DECLARE_EVENT_CLASS(ext4__write_begin, TP_PROTO(struct inode *inode, loff_t pos, unsigned int len, diff --git a/kernel/latencytop.c b/kernel/latencytop.c index 877fb306d415..17110a4a4fc2 100644 --- a/kernel/latencytop.c +++ b/kernel/latencytop.c @@ -194,14 +194,7 @@ __account_scheduler_latency(struct task_struct *tsk, int usecs, int inter) account_global_scheduler_latency(tsk, &lat); - /* - * short term hack; if we're > 32 we stop; future we recycle: - */ - tsk->latency_record_count++; - if (tsk->latency_record_count >= LT_SAVECOUNT) - goto out_unlock; - - for (i = 0; i < LT_SAVECOUNT; i++) { + for (i = 0; i < tsk->latency_record_count; i++) { struct latency_record *mylat; int same = 1; @@ -227,8 +220,14 @@ __account_scheduler_latency(struct task_struct *tsk, int usecs, int inter) } } + /* + * short term hack; if we're > 32 we stop; future we recycle: + */ + if (tsk->latency_record_count >= LT_SAVECOUNT) + goto out_unlock; + /* Allocated a new one: */ - i = tsk->latency_record_count; + i = tsk->latency_record_count++; memcpy(&tsk->latency_record[i], &lat, sizeof(struct latency_record)); out_unlock: diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 517d827f4982..cb6c0d2af68f 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -674,6 +674,8 @@ event_sched_in(struct perf_event *event, event->tstamp_running += ctx->time - event->tstamp_stopped; + event->shadow_ctx_time = ctx->time - ctx->timestamp; + if (!is_software_event(event)) cpuctx->active_oncpu++; ctx->nr_active++; @@ -3396,7 +3398,8 @@ static u32 perf_event_tid(struct perf_event *event, struct task_struct *p) } static void perf_output_read_one(struct perf_output_handle *handle, - struct perf_event *event) + struct perf_event *event, + u64 enabled, u64 running) { u64 read_format = event->attr.read_format; u64 values[4]; @@ -3404,11 +3407,11 @@ static void perf_output_read_one(struct perf_output_handle *handle, values[n++] = perf_event_count(event); if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) { - values[n++] = event->total_time_enabled + + values[n++] = enabled + atomic64_read(&event->child_total_time_enabled); } if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) { - values[n++] = event->total_time_running + + values[n++] = running + atomic64_read(&event->child_total_time_running); } if (read_format & PERF_FORMAT_ID) @@ -3421,7 +3424,8 @@ static void perf_output_read_one(struct perf_output_handle *handle, * XXX PERF_FORMAT_GROUP vs inherited events seems difficult. */ static void perf_output_read_group(struct perf_output_handle *handle, - struct perf_event *event) + struct perf_event *event, + u64 enabled, u64 running) { struct perf_event *leader = event->group_leader, *sub; u64 read_format = event->attr.read_format; @@ -3431,10 +3435,10 @@ static void perf_output_read_group(struct perf_output_handle *handle, values[n++] = 1 + leader->nr_siblings; if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) - values[n++] = leader->total_time_enabled; + values[n++] = enabled; if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) - values[n++] = leader->total_time_running; + values[n++] = running; if (leader != event) leader->pmu->read(leader); @@ -3459,13 +3463,35 @@ static void perf_output_read_group(struct perf_output_handle *handle, } } +#define PERF_FORMAT_TOTAL_TIMES (PERF_FORMAT_TOTAL_TIME_ENABLED|\ + PERF_FORMAT_TOTAL_TIME_RUNNING) + static void perf_output_read(struct perf_output_handle *handle, struct perf_event *event) { + u64 enabled = 0, running = 0, now, ctx_time; + u64 read_format = event->attr.read_format; + + /* + * compute total_time_enabled, total_time_running + * based on snapshot values taken when the event + * was last scheduled in. + * + * we cannot simply called update_context_time() + * because of locking issue as we are called in + * NMI context + */ + if (read_format & PERF_FORMAT_TOTAL_TIMES) { + now = perf_clock(); + ctx_time = event->shadow_ctx_time + now; + enabled = ctx_time - event->tstamp_enabled; + running = ctx_time - event->tstamp_running; + } + if (event->attr.read_format & PERF_FORMAT_GROUP) - perf_output_read_group(handle, event); + perf_output_read_group(handle, event, enabled, running); else - perf_output_read_one(handle, event); + perf_output_read_one(handle, event, enabled, running); } void perf_output_sample(struct perf_output_handle *handle, diff --git a/kernel/printk.c b/kernel/printk.c index b2ebaee8c377..38e7d5868d60 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -261,6 +261,12 @@ static inline void boot_delay_msec(void) } #endif +#ifdef CONFIG_SECURITY_DMESG_RESTRICT +int dmesg_restrict = 1; +#else +int dmesg_restrict; +#endif + int do_syslog(int type, char __user *buf, int len, bool from_file) { unsigned i, j, limit, count; diff --git a/kernel/range.c b/kernel/range.c index 471b66acabb5..37fa9b99ad58 100644 --- a/kernel/range.c +++ b/kernel/range.c @@ -119,7 +119,7 @@ static int cmp_range(const void *x1, const void *x2) int clean_sort_range(struct range *range, int az) { - int i, j, k = az - 1, nr_range = 0; + int i, j, k = az - 1, nr_range = az; for (i = 0; i < k; i++) { if (range[i].end) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index c33a1edb799f..b65bf634035e 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -704,6 +704,15 @@ static struct ctl_table kern_table[] = { }, #endif { + .procname = "dmesg_restrict", + .data = &dmesg_restrict, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &zero, + .extra2 = &one, + }, + { .procname = "ngroups_max", .data = &ngroups_max, .maxlen = sizeof (int), diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index bc251ed66724..7b8ec0281548 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -168,7 +168,6 @@ static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector, static const u32 ddir_act[2] = { BLK_TC_ACT(BLK_TC_READ), BLK_TC_ACT(BLK_TC_WRITE) }; -#define BLK_TC_HARDBARRIER BLK_TC_BARRIER #define BLK_TC_RAHEAD BLK_TC_AHEAD /* The ilog2() calls fall out because they're constant */ @@ -196,7 +195,6 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, return; what |= ddir_act[rw & WRITE]; - what |= MASK_TC_BIT(rw, HARDBARRIER); what |= MASK_TC_BIT(rw, SYNC); what |= MASK_TC_BIT(rw, RAHEAD); what |= MASK_TC_BIT(rw, META); @@ -1807,8 +1805,6 @@ void blk_fill_rwbs(char *rwbs, u32 rw, int bytes) if (rw & REQ_RAHEAD) rwbs[i++] = 'A'; - if (rw & REQ_HARDBARRIER) - rwbs[i++] = 'B'; if (rw & REQ_SYNC) rwbs[i++] = 'S'; if (rw & REQ_META) diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 6f412ab4c24f..5086bb962b4d 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -82,6 +82,16 @@ struct radix_tree_preload { }; static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, }; +static inline void *ptr_to_indirect(void *ptr) +{ + return (void *)((unsigned long)ptr | RADIX_TREE_INDIRECT_PTR); +} + +static inline void *indirect_to_ptr(void *ptr) +{ + return (void *)((unsigned long)ptr & ~RADIX_TREE_INDIRECT_PTR); +} + static inline gfp_t root_gfp_mask(struct radix_tree_root *root) { return root->gfp_mask & __GFP_BITS_MASK; @@ -265,7 +275,7 @@ static int radix_tree_extend(struct radix_tree_root *root, unsigned long index) return -ENOMEM; /* Increase the height. */ - node->slots[0] = radix_tree_indirect_to_ptr(root->rnode); + node->slots[0] = indirect_to_ptr(root->rnode); /* Propagate the aggregated tag info into the new root */ for (tag = 0; tag < RADIX_TREE_MAX_TAGS; tag++) { @@ -276,7 +286,7 @@ static int radix_tree_extend(struct radix_tree_root *root, unsigned long index) newheight = root->height+1; node->height = newheight; node->count = 1; - node = radix_tree_ptr_to_indirect(node); + node = ptr_to_indirect(node); rcu_assign_pointer(root->rnode, node); root->height = newheight; } while (height > root->height); @@ -309,7 +319,7 @@ int radix_tree_insert(struct radix_tree_root *root, return error; } - slot = radix_tree_indirect_to_ptr(root->rnode); + slot = indirect_to_ptr(root->rnode); height = root->height; shift = (height-1) * RADIX_TREE_MAP_SHIFT; @@ -325,8 +335,7 @@ int radix_tree_insert(struct radix_tree_root *root, rcu_assign_pointer(node->slots[offset], slot); node->count++; } else - rcu_assign_pointer(root->rnode, - radix_tree_ptr_to_indirect(slot)); + rcu_assign_pointer(root->rnode, ptr_to_indirect(slot)); } /* Go a level down */ @@ -374,7 +383,7 @@ static void *radix_tree_lookup_element(struct radix_tree_root *root, return NULL; return is_slot ? (void *)&root->rnode : node; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); height = node->height; if (index > radix_tree_maxindex(height)) @@ -393,7 +402,7 @@ static void *radix_tree_lookup_element(struct radix_tree_root *root, height--; } while (height > 0); - return is_slot ? (void *)slot:node; + return is_slot ? (void *)slot : indirect_to_ptr(node); } /** @@ -455,7 +464,7 @@ void *radix_tree_tag_set(struct radix_tree_root *root, height = root->height; BUG_ON(index > radix_tree_maxindex(height)); - slot = radix_tree_indirect_to_ptr(root->rnode); + slot = indirect_to_ptr(root->rnode); shift = (height - 1) * RADIX_TREE_MAP_SHIFT; while (height > 0) { @@ -509,7 +518,7 @@ void *radix_tree_tag_clear(struct radix_tree_root *root, shift = (height - 1) * RADIX_TREE_MAP_SHIFT; pathp->node = NULL; - slot = radix_tree_indirect_to_ptr(root->rnode); + slot = indirect_to_ptr(root->rnode); while (height > 0) { int offset; @@ -579,7 +588,7 @@ int radix_tree_tag_get(struct radix_tree_root *root, if (!radix_tree_is_indirect_ptr(node)) return (index == 0); - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); height = node->height; if (index > radix_tree_maxindex(height)) @@ -666,7 +675,7 @@ unsigned long radix_tree_range_tag_if_tagged(struct radix_tree_root *root, } shift = (height - 1) * RADIX_TREE_MAP_SHIFT; - slot = radix_tree_indirect_to_ptr(root->rnode); + slot = indirect_to_ptr(root->rnode); /* * we fill the path from (root->height - 2) to 0, leaving the index at @@ -897,7 +906,7 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results, results[0] = node; return 1; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); @@ -916,7 +925,8 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results, slot = *(((void ***)results)[ret + i]); if (!slot) continue; - results[ret + nr_found] = rcu_dereference_raw(slot); + results[ret + nr_found] = + indirect_to_ptr(rcu_dereference_raw(slot)); nr_found++; } ret += nr_found; @@ -965,7 +975,7 @@ radix_tree_gang_lookup_slot(struct radix_tree_root *root, void ***results, results[0] = (void **)&root->rnode; return 1; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); @@ -1090,7 +1100,7 @@ radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results, results[0] = node; return 1; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); @@ -1109,7 +1119,8 @@ radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results, slot = *(((void ***)results)[ret + i]); if (!slot) continue; - results[ret + nr_found] = rcu_dereference_raw(slot); + results[ret + nr_found] = + indirect_to_ptr(rcu_dereference_raw(slot)); nr_found++; } ret += nr_found; @@ -1159,7 +1170,7 @@ radix_tree_gang_lookup_tag_slot(struct radix_tree_root *root, void ***results, results[0] = (void **)&root->rnode; return 1; } - node = radix_tree_indirect_to_ptr(node); + node = indirect_to_ptr(node); max_index = radix_tree_maxindex(node->height); @@ -1195,7 +1206,7 @@ static inline void radix_tree_shrink(struct radix_tree_root *root) void *newptr; BUG_ON(!radix_tree_is_indirect_ptr(to_free)); - to_free = radix_tree_indirect_to_ptr(to_free); + to_free = indirect_to_ptr(to_free); /* * The candidate node has more than one child, or its child @@ -1208,16 +1219,39 @@ static inline void radix_tree_shrink(struct radix_tree_root *root) /* * We don't need rcu_assign_pointer(), since we are simply - * moving the node from one part of the tree to another. If - * it was safe to dereference the old pointer to it + * moving the node from one part of the tree to another: if it + * was safe to dereference the old pointer to it * (to_free->slots[0]), it will be safe to dereference the new - * one (root->rnode). + * one (root->rnode) as far as dependent read barriers go. */ newptr = to_free->slots[0]; if (root->height > 1) - newptr = radix_tree_ptr_to_indirect(newptr); + newptr = ptr_to_indirect(newptr); root->rnode = newptr; root->height--; + + /* + * We have a dilemma here. The node's slot[0] must not be + * NULLed in case there are concurrent lookups expecting to + * find the item. However if this was a bottom-level node, + * then it may be subject to the slot pointer being visible + * to callers dereferencing it. If item corresponding to + * slot[0] is subsequently deleted, these callers would expect + * their slot to become empty sooner or later. + * + * For example, lockless pagecache will look up a slot, deref + * the page pointer, and if the page is 0 refcount it means it + * was concurrently deleted from pagecache so try the deref + * again. Fortunately there is already a requirement for logic + * to retry the entire slot lookup -- the indirect pointer + * problem (replacing direct root node with an indirect pointer + * also results in a stale slot). So tag the slot as indirect + * to force callers to retry. + */ + if (root->height == 0) + *((unsigned long *)&to_free->slots[0]) |= + RADIX_TREE_INDIRECT_PTR; + radix_tree_node_free(to_free); } } @@ -1254,7 +1288,7 @@ void *radix_tree_delete(struct radix_tree_root *root, unsigned long index) root->rnode = NULL; goto out; } - slot = radix_tree_indirect_to_ptr(slot); + slot = indirect_to_ptr(slot); shift = (height - 1) * RADIX_TREE_MAP_SHIFT; pathp->node = NULL; @@ -1296,8 +1330,7 @@ void *radix_tree_delete(struct radix_tree_root *root, unsigned long index) radix_tree_node_free(to_free); if (pathp->node->count) { - if (pathp->node == - radix_tree_indirect_to_ptr(root->rnode)) + if (pathp->node == indirect_to_ptr(root->rnode)) radix_tree_shrink(root); goto out; } diff --git a/mm/filemap.c b/mm/filemap.c index 61ba5e405791..ea89840fc65f 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -644,7 +644,9 @@ repeat: pagep = radix_tree_lookup_slot(&mapping->page_tree, offset); if (pagep) { page = radix_tree_deref_slot(pagep); - if (unlikely(!page || page == RADIX_TREE_RETRY)) + if (unlikely(!page)) + goto out; + if (radix_tree_deref_retry(page)) goto repeat; if (!page_cache_get_speculative(page)) @@ -660,6 +662,7 @@ repeat: goto repeat; } } +out: rcu_read_unlock(); return page; @@ -777,12 +780,11 @@ repeat: page = radix_tree_deref_slot((void **)pages[i]); if (unlikely(!page)) continue; - /* - * this can only trigger if nr_found == 1, making livelock - * a non issue. - */ - if (unlikely(page == RADIX_TREE_RETRY)) + if (radix_tree_deref_retry(page)) { + if (ret) + start = pages[ret-1]->index; goto restart; + } if (!page_cache_get_speculative(page)) goto repeat; @@ -830,11 +832,7 @@ repeat: page = radix_tree_deref_slot((void **)pages[i]); if (unlikely(!page)) continue; - /* - * this can only trigger if nr_found == 1, making livelock - * a non issue. - */ - if (unlikely(page == RADIX_TREE_RETRY)) + if (radix_tree_deref_retry(page)) goto restart; if (page->mapping == NULL || page->index != index) @@ -887,11 +885,7 @@ repeat: page = radix_tree_deref_slot((void **)pages[i]); if (unlikely(!page)) continue; - /* - * this can only trigger if nr_found == 1, making livelock - * a non issue. - */ - if (unlikely(page == RADIX_TREE_RETRY)) + if (radix_tree_deref_retry(page)) goto restart; if (!page_cache_get_speculative(page)) @@ -1029,6 +1023,9 @@ find_page: goto page_not_up_to_date; if (!trylock_page(page)) goto page_not_up_to_date; + /* Did it get truncated before we got the lock? */ + if (!page->mapping) + goto page_not_up_to_date_locked; if (!mapping->a_ops->is_partially_uptodate(page, desc, offset)) goto page_not_up_to_date_locked; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 9a99cfaf0a19..2efa8ea07ff7 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4208,15 +4208,17 @@ static struct mem_cgroup *mem_cgroup_alloc(void) memset(mem, 0, size); mem->stat = alloc_percpu(struct mem_cgroup_stat_cpu); - if (!mem->stat) { - if (size < PAGE_SIZE) - kfree(mem); - else - vfree(mem); - mem = NULL; - } + if (!mem->stat) + goto out_free; spin_lock_init(&mem->pcp_counter_lock); return mem; + +out_free: + if (size < PAGE_SIZE) + kfree(mem); + else + vfree(mem); + return NULL; } /* diff --git a/mm/mprotect.c b/mm/mprotect.c index 2d1bf7cf8851..4c5133873097 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -211,6 +211,7 @@ success: mmu_notifier_invalidate_range_end(mm, start, end); vm_stat_account(mm, oldflags, vma->vm_file, -nrpages); vm_stat_account(mm, newflags, vma->vm_file, nrpages); + perf_event_mmap(vma); return 0; fail: @@ -299,7 +300,6 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, error = mprotect_fixup(vma, &prev, nstart, tmp, newflags); if (error) goto out; - perf_event_mmap(vma); nstart = tmp; if (nstart < prev->vm_end) diff --git a/mm/vmscan.c b/mm/vmscan.c index b8a6fdc21312..d31d7ce52c0e 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -913,7 +913,7 @@ keep_lumpy: * back off and wait for congestion to clear because further reclaim * will encounter the same problem */ - if (nr_dirty == nr_congested) + if (nr_dirty == nr_congested && nr_dirty != 0) zone_set_flag(zone, ZONE_CONGESTED); free_page_list(&free_pages); diff --git a/security/Kconfig b/security/Kconfig index bd72ae623494..e80da955e687 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -39,6 +39,18 @@ config KEYS_DEBUG_PROC_KEYS If you are unsure as to whether this is required, answer N. +config SECURITY_DMESG_RESTRICT + bool "Restrict unprivileged access to the kernel syslog" + default n + help + This enforces restrictions on unprivileged users reading the kernel + syslog via dmesg(8). + + If this option is not selected, no restrictions will be enforced + unless the dmesg_restrict sysctl is explicitly set to (1). + + If you are unsure how to answer this question, answer N. + config SECURITY bool "Enable different security models" depends on SYSFS diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index cf1de4462ccd..b7106f192b75 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -922,7 +922,7 @@ static int __init apparmor_init(void) error = register_security(&apparmor_ops); if (error) { AA_ERROR("Unable to register AppArmor\n"); - goto register_security_out; + goto set_init_cxt_out; } /* Report that AppArmor successfully initialized */ @@ -936,6 +936,9 @@ static int __init apparmor_init(void) return error; +set_init_cxt_out: + aa_free_task_context(current->real_cred->security); + register_security_out: aa_free_root_ns(); @@ -944,7 +947,6 @@ alloc_out: apparmor_enabled = 0; return error; - } security_initcall(apparmor_init); diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 52cc865f1464..4f0eadee78b8 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -306,7 +306,7 @@ static struct aa_namespace *alloc_namespace(const char *prefix, return ns; fail_unconfined: - kzfree(ns->base.name); + kzfree(ns->base.hname); fail_ns: kzfree(ns); return NULL; diff --git a/security/commoncap.c b/security/commoncap.c index 5e632b4857e4..04b80f9912bf 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -895,6 +895,8 @@ int cap_syslog(int type, bool from_file) { if (type != SYSLOG_ACTION_OPEN && from_file) return 0; + if (dmesg_restrict && !capable(CAP_SYS_ADMIN)) + return -EPERM; if ((type != SYSLOG_ACTION_READ_ALL && type != SYSLOG_ACTION_SIZE_BUFFER) && !capable(CAP_SYS_ADMIN)) return -EPERM; diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 122ec9dc4853..26aff6bf9e50 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -8,7 +8,11 @@ perf-trace - Read perf.data (created by perf record) and display trace output SYNOPSIS -------- [verse] -'perf trace' {record <script> | report <script> [args] } +'perf trace' [<options>] +'perf trace' [<options>] record <script> [<record-options>] <command> +'perf trace' [<options>] report <script> [script-args] +'perf trace' [<options>] <script> <required-script-args> [<record-options>] <command> +'perf trace' [<options>] <top-script> [script-args] DESCRIPTION ----------- @@ -24,23 +28,53 @@ There are several variants of perf trace: available via 'perf trace -l'). The following variants allow you to record and run those scripts: - 'perf trace record <script>' to record the events required for 'perf - trace report'. <script> is the name displayed in the output of - 'perf trace --list' i.e. the actual script name minus any language - extension. + 'perf trace record <script> <command>' to record the events required + for 'perf trace report'. <script> is the name displayed in the + output of 'perf trace --list' i.e. the actual script name minus any + language extension. If <command> is not specified, the events are + recorded using the -a (system-wide) 'perf record' option. - 'perf trace report <script>' to run and display the results of - <script>. <script> is the name displayed in the output of 'perf + 'perf trace report <script> [args]' to run and display the results + of <script>. <script> is the name displayed in the output of 'perf trace --list' i.e. the actual script name minus any language extension. The perf.data output from a previous run of 'perf trace record <script>' is used and should be present for this command to - succeed. + succeed. [args] refers to the (mainly optional) args expected by + the script. + + 'perf trace <script> <required-script-args> <command>' to both + record the events required for <script> and to run the <script> + using 'live-mode' i.e. without writing anything to disk. <script> + is the name displayed in the output of 'perf trace --list' i.e. the + actual script name minus any language extension. If <command> is + not specified, the events are recorded using the -a (system-wide) + 'perf record' option. If <script> has any required args, they + should be specified before <command>. This mode doesn't allow for + optional script args to be specified; if optional script args are + desired, they can be specified using separate 'perf trace record' + and 'perf trace report' commands, with the stdout of the record step + piped to the stdin of the report script, using the '-o -' and '-i -' + options of the corresponding commands. + + 'perf trace <top-script>' to both record the events required for + <top-script> and to run the <top-script> using 'live-mode' + i.e. without writing anything to disk. <top-script> is the name + displayed in the output of 'perf trace --list' i.e. the actual + script name minus any language extension; a <top-script> is defined + as any script name ending with the string 'top'. + + [<record-options>] can be passed to the record steps of 'perf trace + record' and 'live-mode' variants; this isn't possible however for + <top-script> 'live-mode' or 'perf trace report' variants. See the 'SEE ALSO' section for links to language-specific information on how to write and run your own trace scripts. OPTIONS ------- +<command>...:: + Any command you can specify in a shell. + -D:: --dump-raw-trace=:: Display verbose dump of the trace data. @@ -64,6 +98,13 @@ OPTIONS Generate perf-trace.[ext] starter script for given language, using current perf.data. +-a:: + Force system-wide collection. Scripts run without a <command> + normally use -a by default, while scripts run with a <command> + normally don't - this option allows the latter to be run in + system-wide mode. + + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-trace-perl[1], diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4e75583ddd6d..93bd2ff001fb 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -790,7 +790,7 @@ static const char * const record_usage[] = { static bool force, append_file; -static const struct option options[] = { +const struct option record_options[] = { OPT_CALLBACK('e', "event", NULL, "event", "event selector. use 'perf list' to list available events", parse_events), @@ -839,16 +839,16 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) { int i, j, err = -ENOMEM; - argc = parse_options(argc, argv, options, record_usage, + argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (!argc && target_pid == -1 && target_tid == -1 && !system_wide && !cpu_list) - usage_with_options(record_usage, options); + usage_with_options(record_usage, record_options); if (force && append_file) { fprintf(stderr, "Can't overwrite and append at the same time." " You need to choose between -f and -A"); - usage_with_options(record_usage, options); + usage_with_options(record_usage, record_options); } else if (append_file) { write_mode = WRITE_APPEND; } else { @@ -871,7 +871,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) if (thread_num <= 0) { fprintf(stderr, "Can't find all threads of pid %d\n", target_pid); - usage_with_options(record_usage, options); + usage_with_options(record_usage, record_options); } } else { all_tids=malloc(sizeof(pid_t)); diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index b513e40974f4..dd625808c2a5 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -69,7 +69,6 @@ static int target_tid = -1; static pid_t *all_tids = NULL; static int thread_num = 0; static bool inherit = false; -static int profile_cpu = -1; static int nr_cpus = 0; static int realtime_prio = 0; static bool group = false; @@ -558,13 +557,13 @@ static void print_sym_table(void) else printf(" (all"); - if (profile_cpu != -1) - printf(", cpu: %d)\n", profile_cpu); + if (cpu_list) + printf(", CPU%s: %s)\n", nr_cpus > 1 ? "s" : "", cpu_list); else { if (target_tid != -1) printf(")\n"); else - printf(", %d CPUs)\n", nr_cpus); + printf(", %d CPU%s)\n", nr_cpus, nr_cpus > 1 ? "s" : ""); } printf("%-*.*s\n", win_width, win_width, graph_dotted_line); @@ -1187,11 +1186,10 @@ int group_fd; static void start_counter(int i, int counter) { struct perf_event_attr *attr; - int cpu; + int cpu = -1; int thread_index; - cpu = profile_cpu; - if (target_tid == -1 && profile_cpu == -1) + if (target_tid == -1) cpu = cpumap[i]; attr = attrs + counter; diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 2f8df45c4dcb..86cfe3800e6b 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -10,6 +10,7 @@ #include "util/symbol.h" #include "util/thread.h" #include "util/trace-event.h" +#include "util/parse-options.h" #include "util/util.h" static char const *script_name; @@ -17,6 +18,7 @@ static char const *generate_script_lang; static bool debug_mode; static u64 last_timestamp; static u64 nr_unordered; +extern const struct option record_options[]; static int default_start_script(const char *script __unused, int argc __unused, @@ -328,7 +330,7 @@ static struct script_desc *script_desc__new(const char *name) { struct script_desc *s = zalloc(sizeof(*s)); - if (s != NULL) + if (s != NULL && name) s->name = strdup(name); return s; @@ -337,6 +339,8 @@ static struct script_desc *script_desc__new(const char *name) static void script_desc__delete(struct script_desc *s) { free(s->name); + free(s->half_liner); + free(s->args); free(s); } @@ -537,8 +541,40 @@ static char *get_script_path(const char *script_root, const char *suffix) return path; } +static bool is_top_script(const char *script_path) +{ + return ends_with((char *)script_path, "top") == NULL ? false : true; +} + +static int has_required_arg(char *script_path) +{ + struct script_desc *desc; + int n_args = 0; + char *p; + + desc = script_desc__new(NULL); + + if (read_script_info(desc, script_path)) + goto out; + + if (!desc->args) + goto out; + + for (p = desc->args; *p; p++) + if (*p == '<') + n_args++; +out: + script_desc__delete(desc); + + return n_args; +} + static const char * const trace_usage[] = { - "perf trace [<options>] <command>", + "perf trace [<options>]", + "perf trace [<options>] record <script> [<record-options>] <command>", + "perf trace [<options>] report <script> [script-args]", + "perf trace [<options>] <script> [<record-options>] <command>", + "perf trace [<options>] <top-script> [script-args]", NULL }; @@ -564,50 +600,81 @@ static const struct option options[] = { OPT_END() }; +static bool have_cmd(int argc, const char **argv) +{ + char **__argv = malloc(sizeof(const char *) * argc); + + if (!__argv) + die("malloc"); + memcpy(__argv, argv, sizeof(const char *) * argc); + argc = parse_options(argc, (const char **)__argv, record_options, + NULL, PARSE_OPT_STOP_AT_NON_OPTION); + free(__argv); + + return argc != 0; +} + int cmd_trace(int argc, const char **argv, const char *prefix __used) { + char *rec_script_path = NULL; + char *rep_script_path = NULL; struct perf_session *session; - const char *suffix = NULL; + char *script_path = NULL; const char **__argv; - char *script_path; - int i, err; + bool system_wide; + int i, j, err; - if (argc >= 2 && strncmp(argv[1], "rec", strlen("rec")) == 0) { - if (argc < 3) { - fprintf(stderr, - "Please specify a record script\n"); - return -1; - } - suffix = RECORD_SUFFIX; + setup_scripting(); + + argc = parse_options(argc, argv, options, trace_usage, + PARSE_OPT_STOP_AT_NON_OPTION); + + if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { + rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); + if (!rec_script_path) + return cmd_record(argc, argv, NULL); } - if (argc >= 2 && strncmp(argv[1], "rep", strlen("rep")) == 0) { - if (argc < 3) { + if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { + rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); + if (!rep_script_path) { fprintf(stderr, - "Please specify a report script\n"); + "Please specify a valid report script" + "(see 'perf trace -l' for listing)\n"); return -1; } - suffix = REPORT_SUFFIX; } /* make sure PERF_EXEC_PATH is set for scripts */ perf_set_argv_exec_path(perf_exec_path()); - if (!suffix && argc >= 2 && strncmp(argv[1], "-", strlen("-")) != 0) { - char *record_script_path, *report_script_path; + if (argc && !script_name && !rec_script_path && !rep_script_path) { int live_pipe[2]; + int rep_args; pid_t pid; - record_script_path = get_script_path(argv[1], RECORD_SUFFIX); - if (!record_script_path) { - fprintf(stderr, "record script not found\n"); - return -1; + rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); + rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); + + if (!rec_script_path && !rep_script_path) { + fprintf(stderr, " Couldn't find script %s\n\n See perf" + " trace -l for available scripts.\n", argv[0]); + usage_with_options(trace_usage, options); } - report_script_path = get_script_path(argv[1], REPORT_SUFFIX); - if (!report_script_path) { - fprintf(stderr, "report script not found\n"); - return -1; + if (is_top_script(argv[0])) { + rep_args = argc - 1; + } else { + int rec_args; + + rep_args = has_required_arg(rep_script_path); + rec_args = (argc - 1) - rep_args; + if (rec_args < 0) { + fprintf(stderr, " %s script requires options." + "\n\n See perf trace -l for available " + "scripts and options.\n", argv[0]); + usage_with_options(trace_usage, options); + } } if (pipe(live_pipe) < 0) { @@ -622,60 +689,84 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used) } if (!pid) { + system_wide = true; + j = 0; + dup2(live_pipe[1], 1); close(live_pipe[0]); - __argv = malloc(6 * sizeof(const char *)); - __argv[0] = "/bin/sh"; - __argv[1] = record_script_path; - __argv[2] = "-q"; - __argv[3] = "-o"; - __argv[4] = "-"; - __argv[5] = NULL; + if (!is_top_script(argv[0])) + system_wide = !have_cmd(argc - rep_args, + &argv[rep_args]); + + __argv = malloc((argc + 6) * sizeof(const char *)); + if (!__argv) + die("malloc"); + + __argv[j++] = "/bin/sh"; + __argv[j++] = rec_script_path; + if (system_wide) + __argv[j++] = "-a"; + __argv[j++] = "-q"; + __argv[j++] = "-o"; + __argv[j++] = "-"; + for (i = rep_args + 1; i < argc; i++) + __argv[j++] = argv[i]; + __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); + free(__argv); exit(-1); } dup2(live_pipe[0], 0); close(live_pipe[1]); - __argv = malloc((argc + 3) * sizeof(const char *)); - __argv[0] = "/bin/sh"; - __argv[1] = report_script_path; - for (i = 2; i < argc; i++) - __argv[i] = argv[i]; - __argv[i++] = "-i"; - __argv[i++] = "-"; - __argv[i++] = NULL; + __argv = malloc((argc + 4) * sizeof(const char *)); + if (!__argv) + die("malloc"); + j = 0; + __argv[j++] = "/bin/sh"; + __argv[j++] = rep_script_path; + for (i = 1; i < rep_args + 1; i++) + __argv[j++] = argv[i]; + __argv[j++] = "-i"; + __argv[j++] = "-"; + __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); + free(__argv); exit(-1); } - if (suffix) { - script_path = get_script_path(argv[2], suffix); - if (!script_path) { - fprintf(stderr, "script not found\n"); - return -1; - } - - __argv = malloc((argc + 1) * sizeof(const char *)); - __argv[0] = "/bin/sh"; - __argv[1] = script_path; - for (i = 3; i < argc; i++) - __argv[i - 1] = argv[i]; - __argv[argc - 1] = NULL; + if (rec_script_path) + script_path = rec_script_path; + if (rep_script_path) + script_path = rep_script_path; + + if (script_path) { + system_wide = false; + j = 0; + + if (rec_script_path) + system_wide = !have_cmd(argc - 1, &argv[1]); + + __argv = malloc((argc + 2) * sizeof(const char *)); + if (!__argv) + die("malloc"); + __argv[j++] = "/bin/sh"; + __argv[j++] = script_path; + if (system_wide) + __argv[j++] = "-a"; + for (i = 2; i < argc; i++) + __argv[j++] = argv[i]; + __argv[j++] = NULL; execvp("/bin/sh", (char **)__argv); + free(__argv); exit(-1); } - setup_scripting(); - - argc = parse_options(argc, argv, options, trace_usage, - PARSE_OPT_STOP_AT_NON_OPTION); - if (symbol__init() < 0) return -1; if (!script_name) diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-record b/tools/perf/scripts/perl/bin/failed-syscalls-record index eb5846bcb565..8104895a7b67 100644 --- a/tools/perf/scripts/perl/bin/failed-syscalls-record +++ b/tools/perf/scripts/perl/bin/failed-syscalls-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_exit $@ +perf record -e raw_syscalls:sys_exit $@ diff --git a/tools/perf/scripts/perl/bin/rw-by-file-record b/tools/perf/scripts/perl/bin/rw-by-file-record index 5bfaae5a6cba..33efc8673aae 100644 --- a/tools/perf/scripts/perl/bin/rw-by-file-record +++ b/tools/perf/scripts/perl/bin/rw-by-file-record @@ -1,3 +1,3 @@ #!/bin/bash -perf record -a -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@ +perf record -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@ diff --git a/tools/perf/scripts/perl/bin/rw-by-pid-record b/tools/perf/scripts/perl/bin/rw-by-pid-record index 6e0b2f7755ac..7cb9db230448 100644 --- a/tools/perf/scripts/perl/bin/rw-by-pid-record +++ b/tools/perf/scripts/perl/bin/rw-by-pid-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ +perf record -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ diff --git a/tools/perf/scripts/perl/bin/rwtop-record b/tools/perf/scripts/perl/bin/rwtop-record index 6e0b2f7755ac..7cb9db230448 100644 --- a/tools/perf/scripts/perl/bin/rwtop-record +++ b/tools/perf/scripts/perl/bin/rwtop-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ +perf record -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ diff --git a/tools/perf/scripts/perl/bin/wakeup-latency-record b/tools/perf/scripts/perl/bin/wakeup-latency-record index 9f2acaaae9f0..464251a1bd7e 100644 --- a/tools/perf/scripts/perl/bin/wakeup-latency-record +++ b/tools/perf/scripts/perl/bin/wakeup-latency-record @@ -1,5 +1,5 @@ #!/bin/bash -perf record -a -e sched:sched_switch -e sched:sched_wakeup $@ +perf record -e sched:sched_switch -e sched:sched_wakeup $@ diff --git a/tools/perf/scripts/perl/bin/workqueue-stats-record b/tools/perf/scripts/perl/bin/workqueue-stats-record index 85301f2471ff..8edda9078d5d 100644 --- a/tools/perf/scripts/perl/bin/workqueue-stats-record +++ b/tools/perf/scripts/perl/bin/workqueue-stats-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@ +perf record -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@ diff --git a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record index eb5846bcb565..8104895a7b67 100644 --- a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record +++ b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_exit $@ +perf record -e raw_syscalls:sys_exit $@ diff --git a/tools/perf/scripts/python/bin/futex-contention-record b/tools/perf/scripts/python/bin/futex-contention-record index 5ecbb433caf4..b1495c9a9b20 100644 --- a/tools/perf/scripts/python/bin/futex-contention-record +++ b/tools/perf/scripts/python/bin/futex-contention-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e syscalls:sys_enter_futex -e syscalls:sys_exit_futex $@ +perf record -e syscalls:sys_enter_futex -e syscalls:sys_exit_futex $@ diff --git a/tools/perf/scripts/python/bin/netdev-times-record b/tools/perf/scripts/python/bin/netdev-times-record index d931a828126b..558754b840a9 100644 --- a/tools/perf/scripts/python/bin/netdev-times-record +++ b/tools/perf/scripts/python/bin/netdev-times-record @@ -1,5 +1,5 @@ #!/bin/bash -perf record -a -e net:net_dev_xmit -e net:net_dev_queue \ +perf record -e net:net_dev_xmit -e net:net_dev_queue \ -e net:netif_receive_skb -e net:netif_rx \ -e skb:consume_skb -e skb:kfree_skb \ -e skb:skb_copy_datagram_iovec -e napi:napi_poll \ diff --git a/tools/perf/scripts/python/bin/sched-migration-record b/tools/perf/scripts/python/bin/sched-migration-record index 17a3e9bd9e8f..7493fddbe995 100644 --- a/tools/perf/scripts/python/bin/sched-migration-record +++ b/tools/perf/scripts/python/bin/sched-migration-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -m 16384 -a -e sched:sched_wakeup -e sched:sched_wakeup_new -e sched:sched_switch -e sched:sched_migrate_task $@ +perf record -m 16384 -e sched:sched_wakeup -e sched:sched_wakeup_new -e sched:sched_switch -e sched:sched_migrate_task $@ diff --git a/tools/perf/scripts/python/bin/sctop-record b/tools/perf/scripts/python/bin/sctop-record index 1fc5998b721d..4efbfaa7f6a5 100644 --- a/tools/perf/scripts/python/bin/sctop-record +++ b/tools/perf/scripts/python/bin/sctop-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_enter $@ +perf record -e raw_syscalls:sys_enter $@ diff --git a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record index 1fc5998b721d..4efbfaa7f6a5 100644 --- a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record +++ b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_enter $@ +perf record -e raw_syscalls:sys_enter $@ diff --git a/tools/perf/scripts/python/bin/syscall-counts-record b/tools/perf/scripts/python/bin/syscall-counts-record index 1fc5998b721d..4efbfaa7f6a5 100644 --- a/tools/perf/scripts/python/bin/syscall-counts-record +++ b/tools/perf/scripts/python/bin/syscall-counts-record @@ -1,2 +1,2 @@ #!/bin/bash -perf record -a -e raw_syscalls:sys_enter $@ +perf record -e raw_syscalls:sys_enter $@ diff --git a/tools/perf/util/ui/util.c b/tools/perf/util/ui/util.c index 9706d9d40279..056c69521a38 100644 --- a/tools/perf/util/ui/util.c +++ b/tools/perf/util/ui/util.c @@ -104,9 +104,10 @@ out_destroy_form: return rc; } +static const char yes[] = "Yes", no[] = "No"; + bool ui__dialog_yesno(const char *msg) { /* newtWinChoice should really be accepting const char pointers... */ - char yes[] = "Yes", no[] = "No"; - return newtWinChoice(NULL, yes, no, (char *)msg) == 1; + return newtWinChoice(NULL, (char *)yes, (char *)no, (char *)msg) == 1; } |
