diff options
Diffstat (limited to 'Documentation')
17 files changed, 162 insertions, 38 deletions
diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index c75e5d6b8fa8..a6eb7dcd4dd5 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -12,7 +12,7 @@ DOCBOOKS := z8530book.xml \ kernel-api.xml filesystems.xml lsm.xml kgdb.xml \ gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \ genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \ - 80211.xml sh.xml regulator.xml w1.xml \ + sh.xml regulator.xml w1.xml \ writing_musb_glue_layer.xml iio.xml ifeq ($(DOCBOOKS),) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 21e2d8863705..be7c0d9506b1 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -106,6 +106,16 @@ use by PCI Format: <irq>,<irq>... + acpi_mask_gpe= [HW,ACPI] + Due to the existence of _Lxx/_Exx, some GPEs triggered + by unsupported hardware/firmware features can result in + GPE floodings that cannot be automatically disabled by + the GPE dispatcher. + This facility can be used to prevent such uncontrolled + GPE floodings. + Format: <int> + Support masking of GPEs numbered from 0x00 to 0x7f. + acpi_no_auto_serialize [HW,ACPI] Disable auto-serialization of AML methods AML control methods that contain the opcodes to create @@ -3811,10 +3821,11 @@ it if 0 is given (See Documentation/cgroup-v1/memory.txt) swiotlb= [ARM,IA-64,PPC,MIPS,X86] - Format: { <int> | force } + Format: { <int> | force | noforce } <int> -- Number of I/O TLB slabs force -- force using of bounce buffers even if they wouldn't be automatically used by the kernel + noforce -- Never use bounce buffers (for debugging) switches= [HW,M68k] diff --git a/Documentation/block/queue-sysfs.txt b/Documentation/block/queue-sysfs.txt index 51642159aedb..c0a3bb5a6e4e 100644 --- a/Documentation/block/queue-sysfs.txt +++ b/Documentation/block/queue-sysfs.txt @@ -54,9 +54,9 @@ This is the hardware sector size of the device, in bytes. io_poll (RW) ------------ -When read, this file shows the total number of block IO polls and how -many returned success. Writing '0' to this file will disable polling -for this device. Writing any non-zero value will enable this feature. +When read, this file shows whether polling is enabled (1) or disabled +(0). Writing '0' to this file will disable polling for this device. +Writing any non-zero value will enable this feature. io_poll_delay (RW) ------------------ diff --git a/Documentation/devicetree/bindings/arm/axentia.txt b/Documentation/devicetree/bindings/arm/axentia.txt new file mode 100644 index 000000000000..ea3fb96ae465 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/axentia.txt @@ -0,0 +1,19 @@ +Device tree bindings for Axentia ARM devices +============================================ + +Linea CPU module +---------------- + +Required root node properties: +compatible = "axentia,linea", + "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5"; +and following the rules from atmel-at91.txt for a sama5d31 SoC. + + +TSE-850 v3 board +---------------- + +Required root node properties: +compatible = "axentia,tse850v3", "axentia,linea", + "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5"; +and following the rules from above for the axentia,linea CPU module. diff --git a/Documentation/devicetree/bindings/arm/davinci.txt b/Documentation/devicetree/bindings/arm/davinci.txt index f0841ce725b5..715622c36260 100644 --- a/Documentation/devicetree/bindings/arm/davinci.txt +++ b/Documentation/devicetree/bindings/arm/davinci.txt @@ -13,6 +13,10 @@ EnBW AM1808 based CMC board Required root node properties: - compatible = "enbw,cmc", "ti,da850; +LEGO MINDSTORMS EV3 (AM1808 based) +Required root node properties: + - compatible = "lego,ev3", "ti,da850"; + Generic DaVinci Boards ---------------------- diff --git a/Documentation/devicetree/bindings/arm/marvell/98dx3236.txt b/Documentation/devicetree/bindings/arm/marvell/98dx3236.txt new file mode 100644 index 000000000000..64e8c73fc5ab --- /dev/null +++ b/Documentation/devicetree/bindings/arm/marvell/98dx3236.txt @@ -0,0 +1,23 @@ +Marvell 98DX3236, 98DX3336 and 98DX4251 Platforms Device Tree Bindings +---------------------------------------------------------------------- + +Boards with a SoC of the Marvell 98DX3236, 98DX3336 and 98DX4251 families +shall have the following property: + +Required root node property: + +compatible: must contain "marvell,armadaxp-98dx3236" + +In addition, boards using the Marvell 98DX3336 SoC shall have the +following property: + +Required root node property: + +compatible: must contain "marvell,armadaxp-98dx3336" + +In addition, boards using the Marvell 98DX4251 SoC shall have the +following property: + +Required root node property: + +compatible: must contain "marvell,armadaxp-98dx4251" diff --git a/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt b/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt index 0532d815dae3..8f19d87cbf24 100644 --- a/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt +++ b/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt @@ -17,6 +17,9 @@ Required properties: property, containing a phandle to the clock device node, an index selecting between gated clocks and other clocks and an index specifying the clock to use. +- clocks: External oscillator clock phandle + - high speed external clock signal (HSE) + - external I2S clock (I2S_CKIN) Example: @@ -25,6 +28,7 @@ Example: #clock-cells = <2> compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; reg = <0x40023800 0x400>; + clocks = <&clk_hse>, <&clk_i2s_ckin>; }; Specifying gated clocks @@ -66,6 +70,19 @@ The secondary index is bound with the following magic numbers: 0 SYSTICK 1 FCLK + 2 CLK_LSI (low-power clock source) + 3 CLK_LSE (generated from a 32.768 kHz low-speed external + crystal or ceramic resonator) + 4 CLK_HSE_RTC (HSE division factor for RTC clock) + 5 CLK_RTC (real-time clock) + 6 PLL_VCO_I2S (vco frequency of I2S pll) + 7 PLL_VCO_SAI (vco frequency of SAI pll) + 8 CLK_LCD (LCD-TFT) + 9 CLK_I2S (I2S clocks) + 10 CLK_SAI1 (audio clocks) + 11 CLK_SAI2 + 12 CLK_I2SQ_PDIV (post divisor of pll i2s q divisor) + 13 CLK_SAIQ_PDIV (post divisor of pll sai q divisor) Example: diff --git a/Documentation/devicetree/bindings/eeprom/eeprom.txt b/Documentation/devicetree/bindings/eeprom/eeprom.txt index 735bc94444bb..5696eb508e95 100644 --- a/Documentation/devicetree/bindings/eeprom/eeprom.txt +++ b/Documentation/devicetree/bindings/eeprom/eeprom.txt @@ -10,6 +10,8 @@ Required properties: "catalyst,24c32" + "microchip,24c128" + "ramtron,24c64" "renesas,r1ex24002" diff --git a/Documentation/devicetree/bindings/input/tps65218-pwrbutton.txt b/Documentation/devicetree/bindings/input/tps65218-pwrbutton.txt index 3e5b9793341f..8682ab6d4a50 100644 --- a/Documentation/devicetree/bindings/input/tps65218-pwrbutton.txt +++ b/Documentation/devicetree/bindings/input/tps65218-pwrbutton.txt @@ -8,8 +8,9 @@ This driver provides a simple power button event via an Interrupt. Required properties: - compatible: should be "ti,tps65217-pwrbutton" or "ti,tps65218-pwrbutton" -Required properties for TPS65218: +Required properties: - interrupts: should be one of the following + - <2>: For controllers compatible with tps65217 - <3 IRQ_TYPE_EDGE_BOTH>: For controllers compatible with tps65218 Examples: @@ -17,6 +18,7 @@ Examples: &tps { tps65217-pwrbutton { compatible = "ti,tps65217-pwrbutton"; + interrupts = <2>; }; }; diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt index 5393e2a45a42..560d8a727b8f 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt @@ -111,7 +111,7 @@ Example: #interrupt-cells = <3>; interrupt-controller; reg = <0x2c001000 0x1000>, - <0x2c002000 0x1000>, + <0x2c002000 0x2000>, <0x2c004000 0x2000>, <0x2c006000 0x2000>; interrupts = <1 9 0xf04>; diff --git a/Documentation/devicetree/bindings/net/marvell,prestera.txt b/Documentation/devicetree/bindings/net/marvell,prestera.txt new file mode 100644 index 000000000000..5fbab29718e8 --- /dev/null +++ b/Documentation/devicetree/bindings/net/marvell,prestera.txt @@ -0,0 +1,50 @@ +Marvell Prestera Switch Chip bindings +------------------------------------- + +Required properties: +- compatible: one of the following + "marvell,prestera-98dx3236", + "marvell,prestera-98dx3336", + "marvell,prestera-98dx4251", +- reg: address and length of the register set for the device. +- interrupts: interrupt for the device + +Optional properties: +- dfx: phandle reference to the "DFX Server" node + +Example: + +switch { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 MBUS_ID(0x03, 0x00) 0 0x100000>; + + packet-processor@0 { + compatible = "marvell,prestera-98dx3236"; + reg = <0 0x4000000>; + interrupts = <33>, <34>, <35>; + dfx = <&dfx>; + }; +}; + +DFX Server bindings +------------------- + +Required properties: +- compatible: must be "marvell,dfx-server" +- reg: address and length of the register set for the device. + +Example: + +dfx-registers { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 MBUS_ID(0x08, 0x00) 0 0x100000>; + + dfx: dfx@0 { + compatible = "marvell,dfx-server"; + reg = <0 0x100000>; + }; +}; diff --git a/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt b/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt index 98d131acee95..a11072c5a866 100644 --- a/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt +++ b/Documentation/devicetree/bindings/power/supply/tps65217_charger.txt @@ -2,11 +2,16 @@ TPS65217 Charger Required Properties: -compatible: "ti,tps65217-charger" +-interrupts: TPS65217 interrupt numbers for the AC and USB charger input change. + Should be <0> for the USB charger and <1> for the AC adapter. +-interrupt-names: Should be "USB" and "AC" This node is a subnode of the tps65217 PMIC. Example: tps65217-charger { - compatible = "ti,tps65090-charger"; + compatible = "ti,tps65217-charger"; + interrupts = <0>, <1>; + interrupt-names = "USB", "AC"; }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 16d3b5e7f5d1..8800b43d707b 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -159,11 +159,13 @@ kosagi Sutajio Ko-Usagi PTE Ltd. kyo Kyocera Corporation lacie LaCie lantiq Lantiq Semiconductor +lego LEGO Systems A/S lenovo Lenovo Group Ltd. lg LG Corporation linux Linux-specific binding lltc Linear Technology Corporation lsi LSI Corp. (LSI Logic) +lwn Liebherr-Werk Nenzing GmbH macnica Macnica Americas marvell Marvell Technology Group Ltd. maxim Maxim Integrated Products @@ -227,6 +229,7 @@ pine64 Pine64 pixcir PIXCIR MICROELECTRONICS Co., Ltd plathome Plat'Home Co., Ltd. plda PLDA +poslab Poslab Technology Co., Ltd. powervr PowerVR (deprecated, use img) pulsedlight PulsedLight, Inc qca Qualcomm Atheros, Inc. diff --git a/Documentation/driver-api/infrastructure.rst b/Documentation/driver-api/infrastructure.rst index 0bb0b5fc9512..6d9ff316b608 100644 --- a/Documentation/driver-api/infrastructure.rst +++ b/Documentation/driver-api/infrastructure.rst @@ -55,21 +55,6 @@ Device Drivers DMA Management .. kernel-doc:: drivers/base/dma-mapping.c :export: -Device Drivers Power Management -------------------------------- - -.. kernel-doc:: drivers/base/power/main.c - :export: - -Device Drivers ACPI Support ---------------------------- - -.. kernel-doc:: drivers/acpi/scan.c - :export: - -.. kernel-doc:: drivers/acpi/scan.c - :internal: - Device drivers PnP support -------------------------- diff --git a/Documentation/networking/mpls-sysctl.txt b/Documentation/networking/mpls-sysctl.txt index 9ed15f86c17c..15d8d16934fd 100644 --- a/Documentation/networking/mpls-sysctl.txt +++ b/Documentation/networking/mpls-sysctl.txt @@ -5,8 +5,8 @@ platform_labels - INTEGER possible to configure forwarding for label values equal to or greater than the number of platform labels. - A dense utliziation of the entries in the platform label table - is possible and expected aas the platform labels are locally + A dense utilization of the entries in the platform label table + is possible and expected as the platform labels are locally allocated. If the number of platform label table entries is set to 0 no diff --git a/Documentation/unaligned-memory-access.txt b/Documentation/unaligned-memory-access.txt index a445da098bc6..3f76c0c37920 100644 --- a/Documentation/unaligned-memory-access.txt +++ b/Documentation/unaligned-memory-access.txt @@ -151,7 +151,7 @@ bool ether_addr_equal(const u8 *addr1, const u8 *addr2) #else const u16 *a = (const u16 *)addr1; const u16 *b = (const u16 *)addr2; - return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) != 0; + return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) == 0; #endif } diff --git a/Documentation/vfio-mediated-device.txt b/Documentation/vfio-mediated-device.txt index b38afec35edc..d226c7a5ba8b 100644 --- a/Documentation/vfio-mediated-device.txt +++ b/Documentation/vfio-mediated-device.txt @@ -127,22 +127,22 @@ the VFIO when devices are unbound from the driver. Physical Device Driver Interface -------------------------------- -The physical device driver interface provides the parent_ops[3] structure to -define the APIs to manage work in the mediated core driver that is related to -the physical device. +The physical device driver interface provides the mdev_parent_ops[3] structure +to define the APIs to manage work in the mediated core driver that is related +to the physical device. -The structures in the parent_ops structure are as follows: +The structures in the mdev_parent_ops structure are as follows: * dev_attr_groups: attributes of the parent device * mdev_attr_groups: attributes of the mediated device * supported_config: attributes to define supported configurations -The functions in the parent_ops structure are as follows: +The functions in the mdev_parent_ops structure are as follows: * create: allocate basic resources in a driver for a mediated device * remove: free resources in a driver when a mediated device is destroyed -The callbacks in the parent_ops structure are as follows: +The callbacks in the mdev_parent_ops structure are as follows: * open: open callback of mediated device * close: close callback of mediated device @@ -151,14 +151,14 @@ The callbacks in the parent_ops structure are as follows: * write: write emulation callback * mmap: mmap emulation callback -A driver should use the parent_ops structure in the function call to register -itself with the mdev core driver: +A driver should use the mdev_parent_ops structure in the function call to +register itself with the mdev core driver: extern int mdev_register_device(struct device *dev, - const struct parent_ops *ops); + const struct mdev_parent_ops *ops); -However, the parent_ops structure is not required in the function call that a -driver should use to unregister itself with the mdev core driver: +However, the mdev_parent_ops structure is not required in the function call +that a driver should use to unregister itself with the mdev core driver: extern void mdev_unregister_device(struct device *dev); @@ -223,6 +223,9 @@ Directories and files under the sysfs for Each Physical Device sprintf(buf, "%s-%s", dev_driver_string(parent->dev), group->name); + (or using mdev_parent_dev(mdev) to arrive at the parent device outside + of the core mdev code) + * device_api This attribute should show which device API is being created, for example, @@ -394,5 +397,5 @@ References [1] See Documentation/vfio.txt for more information on VFIO. [2] struct mdev_driver in include/linux/mdev.h -[3] struct parent_ops in include/linux/mdev.h +[3] struct mdev_parent_ops in include/linux/mdev.h [4] struct vfio_iommu_driver_ops in include/linux/vfio.h |