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-rw-r--r--arch/arm/boot/dts/Makefile2
-rw-r--r--arch/arm/boot/dts/am335x-bone-common.dtsi19
-rw-r--r--arch/arm/boot/dts/am335x-boneblack.dts4
-rw-r--r--arch/arm/boot/dts/am335x-evmsk.dts2
-rw-r--r--arch/arm/boot/dts/am35xx-clocks.dtsi14
-rw-r--r--arch/arm/boot/dts/armada-xp-linksys-mamba.dts5
-rw-r--r--arch/arm/boot/dts/dm816x.dtsi4
-rw-r--r--arch/arm/boot/dts/exynos4412-trats2.dts2
-rw-r--r--arch/arm/boot/dts/imx27.dtsi2
-rw-r--r--arch/arm/boot/dts/omap3-devkit8000.dts2
-rw-r--r--arch/arm/boot/dts/omap3-n900.dts4
-rw-r--r--arch/arm/configs/multi_v7_defconfig2
-rw-r--r--arch/arm/kernel/entry-common.S4
-rw-r--r--arch/arm/kernel/perf_event_cpu.c9
-rw-r--r--arch/arm/mach-exynos/suspend.c4
-rw-r--r--arch/arm/mach-imx/gpc.c16
-rw-r--r--arch/arm/mach-omap2/sleep34xx.S22
-rw-r--r--arch/arm/mach-pxa/pxa_cplds_irqs.c2
-rw-r--r--arch/arm/mm/mmu.c20
19 files changed, 78 insertions, 61 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 86217db2937a..992736b5229b 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -223,7 +223,7 @@ dtb-$(CONFIG_SOC_IMX25) += \
imx25-eukrea-mbimxsd25-baseboard-dvi-vga.dtb \
imx25-karo-tx25.dtb \
imx25-pdk.dtb
-dtb-$(CONFIG_SOC_IMX31) += \
+dtb-$(CONFIG_SOC_IMX27) += \
imx27-apf27.dtb \
imx27-apf27dev.dtb \
imx27-eukrea-mbimxsd27-baseboard.dtb \
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index c3255e0c90aa..dbb3f4d2bf84 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -223,6 +223,25 @@
/include/ "tps65217.dtsi"
&tps {
+ /*
+ * Configure pmic to enter OFF-state instead of SLEEP-state ("RTC-only
+ * mode") at poweroff. Most BeagleBone versions do not support RTC-only
+ * mode and risk hardware damage if this mode is entered.
+ *
+ * For details, see linux-omap mailing list May 2015 thread
+ * [PATCH] ARM: dts: am335x-bone* enable pmic-shutdown-controller
+ * In particular, messages:
+ * http://www.spinics.net/lists/linux-omap/msg118585.html
+ * http://www.spinics.net/lists/linux-omap/msg118615.html
+ *
+ * You can override this later with
+ * &tps { /delete-property/ ti,pmic-shutdown-controller; }
+ * if you want to use RTC-only mode and made sure you are not affected
+ * by the hardware problems. (Tip: double-check by performing a current
+ * measurement after shutdown: it should be less than 1 mA.)
+ */
+ ti,pmic-shutdown-controller;
+
regulators {
dcdc1_reg: regulator@0 {
regulator-name = "vdds_dpr";
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index 5c42d259fa68..901739fcb85a 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -80,7 +80,3 @@
status = "okay";
};
};
-
-&rtc {
- system-power-controller;
-};
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index 87fc7a35e802..156d05efcb70 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -654,7 +654,7 @@
wlcore: wlcore@2 {
compatible = "ti,wl1271";
reg = <2>;
- interrupt-parent = <&gpio1>;
+ interrupt-parent = <&gpio0>;
interrupts = <31 IRQ_TYPE_LEVEL_HIGH>; /* gpio 31 */
ref-clock-frequency = <38400000>;
};
diff --git a/arch/arm/boot/dts/am35xx-clocks.dtsi b/arch/arm/boot/dts/am35xx-clocks.dtsi
index 518b8fde88b0..18cc826e9db5 100644
--- a/arch/arm/boot/dts/am35xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am35xx-clocks.dtsi
@@ -12,7 +12,7 @@
#clock-cells = <0>;
compatible = "ti,am35xx-gate-clock";
clocks = <&ipss_ick>;
- reg = <0x059c>;
+ reg = <0x032c>;
ti,bit-shift = <1>;
};
@@ -20,7 +20,7 @@
#clock-cells = <0>;
compatible = "ti,gate-clock";
clocks = <&rmii_ck>;
- reg = <0x059c>;
+ reg = <0x032c>;
ti,bit-shift = <9>;
};
@@ -28,7 +28,7 @@
#clock-cells = <0>;
compatible = "ti,am35xx-gate-clock";
clocks = <&ipss_ick>;
- reg = <0x059c>;
+ reg = <0x032c>;
ti,bit-shift = <2>;
};
@@ -36,7 +36,7 @@
#clock-cells = <0>;
compatible = "ti,gate-clock";
clocks = <&pclk_ck>;
- reg = <0x059c>;
+ reg = <0x032c>;
ti,bit-shift = <10>;
};
@@ -44,7 +44,7 @@
#clock-cells = <0>;
compatible = "ti,am35xx-gate-clock";
clocks = <&ipss_ick>;
- reg = <0x059c>;
+ reg = <0x032c>;
ti,bit-shift = <0>;
};
@@ -52,7 +52,7 @@
#clock-cells = <0>;
compatible = "ti,gate-clock";
clocks = <&sys_ck>;
- reg = <0x059c>;
+ reg = <0x032c>;
ti,bit-shift = <8>;
};
@@ -60,7 +60,7 @@
#clock-cells = <0>;
compatible = "ti,am35xx-gate-clock";
clocks = <&sys_ck>;
- reg = <0x059c>;
+ reg = <0x032c>;
ti,bit-shift = <3>;
};
};
diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
index a2cf2154dcdb..fdd187c55aa5 100644
--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
@@ -95,6 +95,11 @@
internal-regs {
+ rtc@10300 {
+ /* No crystal connected to the internal RTC */
+ status = "disabled";
+ };
+
/* J10: VCC, NC, RX, NC, TX, GND */
serial@12000 {
status = "okay";
diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index de8427be830a..289806adb343 100644
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -382,7 +382,7 @@
ti,hwmods = "usb_otg_hs";
usb0: usb@47401000 {
- compatible = "ti,musb-am33xx";
+ compatible = "ti,musb-dm816";
reg = <0x47401400 0x400
0x47401000 0x200>;
reg-names = "mc", "control";
@@ -422,7 +422,7 @@
};
usb1: usb@47401800 {
- compatible = "ti,musb-am33xx";
+ compatible = "ti,musb-dm816";
reg = <0x47401c00 0x400
0x47401800 0x200>;
reg-names = "mc", "control";
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 173ffa479ad3..792394dd0f2a 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -736,7 +736,7 @@
display-timings {
timing-0 {
- clock-frequency = <0>;
+ clock-frequency = <57153600>;
hactive = <720>;
vactive = <1280>;
hfront-porch = <5>;
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 6951b66d1ab7..bc215e4b75fd 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -533,7 +533,7 @@
fec: ethernet@1002b000 {
compatible = "fsl,imx27-fec";
- reg = <0x1002b000 0x4000>;
+ reg = <0x1002b000 0x1000>;
interrupts = <50>;
clocks = <&clks IMX27_CLK_FEC_IPG_GATE>,
<&clks IMX27_CLK_FEC_AHB_GATE>;
diff --git a/arch/arm/boot/dts/omap3-devkit8000.dts b/arch/arm/boot/dts/omap3-devkit8000.dts
index 134d3f27a8ec..921de6605f07 100644
--- a/arch/arm/boot/dts/omap3-devkit8000.dts
+++ b/arch/arm/boot/dts/omap3-devkit8000.dts
@@ -110,6 +110,8 @@
nand@0,0 {
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
+ gpmc,device-width = <2>;
+ ti,nand-ecc-opt = "sw";
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 5c16145920ea..5f5e0f3d5b64 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -832,8 +832,8 @@
touchscreen-fuzz-x = <4>;
touchscreen-fuzz-y = <7>;
touchscreen-fuzz-pressure = <2>;
- touchscreen-max-x = <4096>;
- touchscreen-max-y = <4096>;
+ touchscreen-size-x = <4096>;
+ touchscreen-size-y = <4096>;
touchscreen-max-pressure = <2048>;
ti,x-plate-ohms = <280>;
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 0ca4a3eaf65d..fbbb1915c6a9 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -429,7 +429,7 @@ CONFIG_USB_EHCI_EXYNOS=y
CONFIG_USB_EHCI_TEGRA=y
CONFIG_USB_EHCI_HCD_STI=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
-CONFIG_USB_ISP1760_HCD=y
+CONFIG_USB_ISP1760=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_STI=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index f8ccc21fa032..4e7f40c577e6 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -33,7 +33,9 @@ ret_fast_syscall:
UNWIND(.fnstart )
UNWIND(.cantunwind )
disable_irq @ disable interrupts
- ldr r1, [tsk, #TI_FLAGS]
+ ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing
+ tst r1, #_TIF_SYSCALL_WORK
+ bne __sys_trace_return
tst r1, #_TIF_WORK_MASK
bne fast_work_pending
asm_trace_hardirqs_on
diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c
index 213919ba326f..3b8c2833c537 100644
--- a/arch/arm/kernel/perf_event_cpu.c
+++ b/arch/arm/kernel/perf_event_cpu.c
@@ -304,16 +304,17 @@ static int probe_current_pmu(struct arm_pmu *pmu)
static int of_pmu_irq_cfg(struct platform_device *pdev)
{
int i, irq;
- int *irqs = kcalloc(pdev->num_resources, sizeof(*irqs), GFP_KERNEL);
-
- if (!irqs)
- return -ENOMEM;
+ int *irqs;
/* Don't bother with PPIs; they're already affine */
irq = platform_get_irq(pdev, 0);
if (irq >= 0 && irq_is_percpu(irq))
return 0;
+ irqs = kcalloc(pdev->num_resources, sizeof(*irqs), GFP_KERNEL);
+ if (!irqs)
+ return -ENOMEM;
+
for (i = 0; i < pdev->num_resources; ++i) {
struct device_node *dn;
int cpu;
diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index c0b6dccbf7bd..7d23ce04cad5 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -87,8 +87,8 @@ static unsigned int exynos_pmu_spare3;
static u32 exynos_irqwake_intmask = 0xffffffff;
static const struct exynos_wkup_irq exynos3250_wkup_irq[] = {
- { 105, BIT(1) }, /* RTC alarm */
- { 106, BIT(2) }, /* RTC tick */
+ { 73, BIT(1) }, /* RTC alarm */
+ { 74, BIT(2) }, /* RTC tick */
{ /* sentinel */ },
};
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index 4d60005e9277..6d0893a3828e 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -280,9 +280,15 @@ void __init imx_gpc_check_dt(void)
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpc");
- if (WARN_ON(!np ||
- !of_find_property(np, "interrupt-controller", NULL)))
- pr_warn("Outdated DT detected, system is about to crash!!!\n");
+ if (WARN_ON(!np))
+ return;
+
+ if (WARN_ON(!of_find_property(np, "interrupt-controller", NULL))) {
+ pr_warn("Outdated DT detected, suspend/resume will NOT work\n");
+
+ /* map GPC, so that at least CPUidle and WARs keep working */
+ gpc_base = of_iomap(np, 0);
+ }
}
#ifdef CONFIG_PM_GENERIC_DOMAINS
@@ -443,6 +449,10 @@ static int imx_gpc_probe(struct platform_device *pdev)
struct regulator *pu_reg;
int ret;
+ /* bail out if DT too old and doesn't provide the necessary info */
+ if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells"))
+ return 0;
+
pu_reg = devm_regulator_get_optional(&pdev->dev, "pu");
if (PTR_ERR(pu_reg) == -ENODEV)
pu_reg = NULL;
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S
index d1dedc8195ed..eafd120b53f1 100644
--- a/arch/arm/mach-omap2/sleep34xx.S
+++ b/arch/arm/mach-omap2/sleep34xx.S
@@ -203,23 +203,8 @@ save_context_wfi:
*/
ldr r1, kernel_flush
blx r1
- /*
- * The kernel doesn't interwork: v7_flush_dcache_all in particluar will
- * always return in Thumb state when CONFIG_THUMB2_KERNEL is enabled.
- * This sequence switches back to ARM. Note that .align may insert a
- * nop: bx pc needs to be word-aligned in order to work.
- */
- THUMB( .thumb )
- THUMB( .align )
- THUMB( bx pc )
- THUMB( nop )
- .arm
-
b omap3_do_wfi
-
-/*
- * Local variables
- */
+ENDPROC(omap34xx_cpu_suspend)
omap3_do_wfi_sram_addr:
.word omap3_do_wfi_sram
kernel_flush:
@@ -364,10 +349,7 @@ exit_nonoff_modes:
* ===================================
*/
ldmfd sp!, {r4 - r11, pc} @ restore regs and return
-
-/*
- * Local variables
- */
+ENDPROC(omap3_do_wfi)
sdrc_power:
.word SDRC_POWER_V
cm_idlest1_core:
diff --git a/arch/arm/mach-pxa/pxa_cplds_irqs.c b/arch/arm/mach-pxa/pxa_cplds_irqs.c
index f1aeb54fabe3..2385052b0ce1 100644
--- a/arch/arm/mach-pxa/pxa_cplds_irqs.c
+++ b/arch/arm/mach-pxa/pxa_cplds_irqs.c
@@ -107,7 +107,7 @@ static int cplds_probe(struct platform_device *pdev)
struct resource *res;
struct cplds *fpga;
int ret;
- unsigned int base_irq = 0;
+ int base_irq;
unsigned long irqflags = 0;
fpga = devm_kzalloc(&pdev->dev, sizeof(*fpga), GFP_KERNEL);
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 4e6ef896c619..7186382672b5 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1112,22 +1112,22 @@ void __init sanity_check_meminfo(void)
}
/*
- * Find the first non-section-aligned page, and point
+ * Find the first non-pmd-aligned page, and point
* memblock_limit at it. This relies on rounding the
- * limit down to be section-aligned, which happens at
- * the end of this function.
+ * limit down to be pmd-aligned, which happens at the
+ * end of this function.
*
* With this algorithm, the start or end of almost any
- * bank can be non-section-aligned. The only exception
- * is that the start of the bank 0 must be section-
+ * bank can be non-pmd-aligned. The only exception is
+ * that the start of the bank 0 must be section-
* aligned, since otherwise memory would need to be
* allocated when mapping the start of bank 0, which
* occurs before any free memory is mapped.
*/
if (!memblock_limit) {
- if (!IS_ALIGNED(block_start, SECTION_SIZE))
+ if (!IS_ALIGNED(block_start, PMD_SIZE))
memblock_limit = block_start;
- else if (!IS_ALIGNED(block_end, SECTION_SIZE))
+ else if (!IS_ALIGNED(block_end, PMD_SIZE))
memblock_limit = arm_lowmem_limit;
}
@@ -1137,12 +1137,12 @@ void __init sanity_check_meminfo(void)
high_memory = __va(arm_lowmem_limit - 1) + 1;
/*
- * Round the memblock limit down to a section size. This
+ * Round the memblock limit down to a pmd size. This
* helps to ensure that we will allocate memory from the
- * last full section, which should be mapped.
+ * last full pmd, which should be mapped.
*/
if (memblock_limit)
- memblock_limit = round_down(memblock_limit, SECTION_SIZE);
+ memblock_limit = round_down(memblock_limit, PMD_SIZE);
if (!memblock_limit)
memblock_limit = arm_lowmem_limit;
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