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-rw-r--r--Documentation/00-INDEX4
-rw-r--r--Documentation/ABI/testing/sysfs-bus-i2c-devices-bq32k7
-rw-r--r--Documentation/DocBook/libata.tmpl2
-rw-r--r--Documentation/IPMI.txt2
-rw-r--r--Documentation/acpi/method-customizing.txt2
-rw-r--r--Documentation/acpi/method-tracing.txt2
-rw-r--r--Documentation/admin-guide/md.rst5
-rw-r--r--Documentation/admin-guide/ras.rst2
-rw-r--r--Documentation/blockdev/mflash.txt2
-rw-r--r--Documentation/blockdev/zram.txt6
-rw-r--r--Documentation/cgroup-v1/rdma.txt109
-rw-r--r--Documentation/cgroup-v2.txt103
-rw-r--r--Documentation/device-mapper/dm-raid.txt2
-rw-r--r--Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt15
-rw-r--r--Documentation/devicetree/bindings/clock/exynos4415-clock.txt38
-rw-r--r--Documentation/devicetree/bindings/clock/hi3660-clock.txt42
-rw-r--r--Documentation/devicetree/bindings/clock/idt,versaclock5.txt65
-rw-r--r--Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt1
-rw-r--r--Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt1
-rw-r--r--Documentation/devicetree/bindings/clock/qcom,rpmcc.txt1
-rw-r--r--Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt6
-rw-r--r--Documentation/devicetree/bindings/clock/rockchip,rk3328-cru.txt57
-rw-r--r--Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt6
-rw-r--r--Documentation/devicetree/bindings/clock/st,stm32-rcc.txt20
-rw-r--r--Documentation/devicetree/bindings/clock/stericsson,abx500.txt20
-rw-r--r--Documentation/devicetree/bindings/clock/sun9i-de.txt28
-rw-r--r--Documentation/devicetree/bindings/clock/sun9i-usb.txt24
-rw-r--r--Documentation/devicetree/bindings/clock/sunxi-ccu.txt2
-rw-r--r--Documentation/devicetree/bindings/clock/ti,cdce925.txt15
-rw-r--r--Documentation/devicetree/bindings/clock/zx296718-clk.txt3
-rw-r--r--Documentation/devicetree/bindings/display/ssd1307fb.txt5
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt14
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt1
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-stm32.txt33
-rw-r--r--Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.txt42
-rw-r--r--Documentation/devicetree/bindings/mfd/qcom-rpm.txt2
-rw-r--r--Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt2
-rw-r--r--Documentation/devicetree/bindings/opp/opp.txt2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt2
-rw-r--r--Documentation/devicetree/bindings/power/pd-samsung.txt2
-rw-r--r--Documentation/devicetree/bindings/rtc/armada-380-rtc.txt8
-rw-r--r--Documentation/devicetree/bindings/rtc/cortina,gemini.txt14
-rw-r--r--Documentation/devicetree/bindings/rtc/imxdi-rtc.txt5
-rw-r--r--Documentation/devicetree/bindings/rtc/maxim,ds3231.txt3
-rw-r--r--Documentation/devicetree/bindings/rtc/pcf8563.txt3
-rw-r--r--Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt27
-rw-r--r--Documentation/devicetree/bindings/rtc/sun6i-rtc.txt10
-rw-r--r--Documentation/devicetree/bindings/soc/rockchip/grf.txt4
-rw-r--r--Documentation/devicetree/bindings/sound/rockchip-i2s.txt4
-rw-r--r--[-rwxr-xr-x]Documentation/devicetree/bindings/sound/rt5665.txt0
-rw-r--r--Documentation/devicetree/bindings/sound/sun4i-codec.txt2
-rw-r--r--Documentation/devicetree/bindings/sound/sun4i-i2s.txt4
-rw-r--r--Documentation/devicetree/bindings/watchdog/cortina,gemin-watchdog.txt17
-rw-r--r--Documentation/devicetree/bindings/watchdog/samsung-wdt.txt9
-rw-r--r--Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt32
-rw-r--r--Documentation/filesystems/autofs4-mount-control.txt1
-rw-r--r--Documentation/filesystems/autofs4.txt39
-rw-r--r--Documentation/filesystems/ceph.txt5
-rw-r--r--Documentation/filesystems/quota.txt2
-rw-r--r--Documentation/i2c/busses/i2c-i8011
-rw-r--r--Documentation/i2c/muxes/i2c-mux-gpio20
-rw-r--r--Documentation/kselftest.txt16
-rw-r--r--Documentation/md/md-cluster.txt (renamed from Documentation/md-cluster.txt)0
-rw-r--r--Documentation/md/raid5-cache.txt109
-rw-r--r--Documentation/media/dvb-drivers/ci.rst2
-rw-r--r--Documentation/media/uapi/dvb/dvb-frontend-parameters.rst4
-rw-r--r--Documentation/memory-hotplug.txt4
-rw-r--r--Documentation/networking/cdc_mbim.txt4
-rw-r--r--Documentation/scsi/ChangeLog.megaraid_sas2
-rw-r--r--Documentation/sound/hd-audio/notes.rst2
-rw-r--r--Documentation/sparc/console.txt9
-rw-r--r--Documentation/static-keys.txt4
-rw-r--r--Documentation/sysctl/vm.txt4
-rw-r--r--Documentation/vm/ksm.txt18
-rw-r--r--Documentation/vm/userfaultfd.txt91
-rw-r--r--Documentation/watchdog/watchdog-kernel-api.txt6
-rw-r--r--Documentation/watchdog/watchdog-parameters.txt5
-rw-r--r--Documentation/x86/intel_rdt_ui.txt114
-rw-r--r--MAINTAINERS21
-rw-r--r--Makefile24
-rw-r--r--arch/Kconfig5
-rw-r--r--arch/alpha/include/asm/Kbuild2
-rw-r--r--arch/alpha/include/asm/current.h9
-rw-r--r--arch/alpha/include/asm/dma-mapping.h4
-rw-r--r--arch/alpha/kernel/pci-noop.c4
-rw-r--r--arch/alpha/kernel/pci_iommu.c4
-rw-r--r--arch/alpha/kernel/smp.c2
-rw-r--r--arch/arc/include/asm/dma-mapping.h4
-rw-r--r--arch/arc/include/asm/kprobes.h6
-rw-r--r--arch/arc/kernel/smp.c4
-rw-r--r--arch/arc/kernel/unwind.c4
-rw-r--r--arch/arc/mm/dma.c2
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/Kconfig-nommu3
-rw-r--r--arch/arm/boot/compressed/decompress.c1
-rw-r--r--arch/arm/boot/compressed/head.S2
-rw-r--r--arch/arm/boot/dts/sun5i-a10s.dtsi85
-rw-r--r--arch/arm/boot/dts/sun5i-a13.dtsi140
-rw-r--r--arch/arm/boot/dts/sun5i-gr8.dtsi520
-rw-r--r--arch/arm/boot/dts/sun5i-r8.dtsi10
-rw-r--r--arch/arm/boot/dts/sun5i.dtsi353
-rw-r--r--arch/arm/boot/dts/sun9i-a80.dtsi404
-rw-r--r--arch/arm/common/dmabounce.c2
-rw-r--r--arch/arm/common/mcpm_entry.c12
-rw-r--r--arch/arm/include/asm/device.h1
-rw-r--r--arch/arm/include/asm/dma-mapping.h20
-rw-r--r--arch/arm/include/asm/hardware/cache-uniphier.h2
-rw-r--r--arch/arm/include/asm/kprobes.h4
-rw-r--r--arch/arm/include/asm/mach/flash.h2
-rw-r--r--arch/arm/include/asm/memory.h29
-rw-r--r--arch/arm/include/asm/pgtable-nommu.h6
-rw-r--r--arch/arm/kernel/head-nommu.S5
-rw-r--r--arch/arm/kernel/module.c13
-rw-r--r--arch/arm/kernel/setup.c10
-rw-r--r--arch/arm/kernel/smp.c4
-rw-r--r--arch/arm/mach-alpine/platsmp.c2
-rw-r--r--arch/arm/mach-axxia/platsmp.c2
-rw-r--r--arch/arm/mach-bcm/bcm63xx_smp.c2
-rw-r--r--arch/arm/mach-bcm/platsmp-brcmstb.c2
-rw-r--r--arch/arm/mach-bcm/platsmp.c4
-rw-r--r--arch/arm/mach-berlin/platsmp.c5
-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c40
-rw-r--r--arch/arm/mach-ep93xx/ts72xx.h11
-rw-r--r--arch/arm/mach-exynos/firmware.c4
-rw-r--r--arch/arm/mach-exynos/mcpm-exynos.c2
-rw-r--r--arch/arm/mach-exynos/platsmp.c4
-rw-r--r--arch/arm/mach-exynos/pm.c6
-rw-r--r--arch/arm/mach-exynos/suspend.c6
-rw-r--r--arch/arm/mach-hisi/platmcpm.c2
-rw-r--r--arch/arm/mach-hisi/platsmp.c6
-rw-r--r--arch/arm/mach-imx/platsmp.c2
-rw-r--r--arch/arm/mach-imx/pm-imx6.c2
-rw-r--r--arch/arm/mach-imx/src.c2
-rw-r--r--arch/arm/mach-mediatek/platsmp.c2
-rw-r--r--arch/arm/mach-mvebu/pm.c2
-rw-r--r--arch/arm/mach-mvebu/pmsu.c2
-rw-r--r--arch/arm/mach-mvebu/system-controller.c2
-rw-r--r--arch/arm/mach-omap2/control.c8
-rw-r--r--arch/arm/mach-omap2/omap-mpuss-lowpower.c12
-rw-r--r--arch/arm/mach-omap2/omap-smp.c4
-rw-r--r--arch/arm/mach-omap2/omap_twl.c2
-rw-r--r--arch/arm/mach-orion5x/ts78xx-setup.c80
-rw-r--r--arch/arm/mach-prima2/platsmp.c2
-rw-r--r--arch/arm/mach-prima2/pm.c2
-rw-r--r--arch/arm/mach-pxa/palmz72.c2
-rw-r--r--arch/arm/mach-pxa/pxa25x.c2
-rw-r--r--arch/arm/mach-pxa/pxa27x.c2
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c2
-rw-r--r--arch/arm/mach-realview/platsmp-dt.c2
-rw-r--r--arch/arm/mach-rockchip/platsmp.c4
-rw-r--r--arch/arm/mach-rockchip/pm.c2
-rw-r--r--arch/arm/mach-s3c24xx/mach-jive.c2
-rw-r--r--arch/arm/mach-s3c24xx/pm-s3c2410.c2
-rw-r--r--arch/arm/mach-s3c24xx/pm-s3c2416.c2
-rw-r--r--arch/arm/mach-s3c64xx/pm.c2
-rw-r--r--arch/arm/mach-s5pv210/pm.c2
-rw-r--r--arch/arm/mach-sa1100/pm.c2
-rw-r--r--arch/arm/mach-shmobile/platsmp-apmu.c6
-rw-r--r--arch/arm/mach-shmobile/platsmp-scu.c4
-rw-r--r--arch/arm/mach-socfpga/platsmp.c4
-rw-r--r--arch/arm/mach-spear/platsmp.c2
-rw-r--r--arch/arm/mach-sti/platsmp.c2
-rw-r--r--arch/arm/mach-sunxi/platsmp.c4
-rw-r--r--arch/arm/mach-tango/platsmp.c2
-rw-r--r--arch/arm/mach-tango/pm.c2
-rw-r--r--arch/arm/mach-tegra/reset.c4
-rw-r--r--arch/arm/mach-ux500/platsmp.c2
-rw-r--r--arch/arm/mach-vexpress/dcscb.c2
-rw-r--r--arch/arm/mach-vexpress/platsmp.c2
-rw-r--r--arch/arm/mach-vexpress/tc2_pm.c4
-rw-r--r--arch/arm/mach-zx/platsmp.c4
-rw-r--r--arch/arm/mach-zynq/platsmp.c2
-rw-r--r--arch/arm/mm/Kconfig31
-rw-r--r--arch/arm/mm/Makefile1
-rw-r--r--arch/arm/mm/cache-uniphier.c23
-rw-r--r--arch/arm/mm/cache-v7.S2
-rw-r--r--arch/arm/mm/cache-v7m.S2
-rw-r--r--arch/arm/mm/dma-mapping.c41
-rw-r--r--arch/arm/mm/dump.c5
-rw-r--r--arch/arm/mm/flush.c6
-rw-r--r--arch/arm/mm/init.c64
-rw-r--r--arch/arm/mm/mmu.c75
-rw-r--r--arch/arm/mm/nommu.c60
-rw-r--r--arch/arm/mm/physaddr.c57
-rw-r--r--arch/arm/probes/decode.h1
-rw-r--r--arch/arm/xen/mm.c4
-rw-r--r--arch/arm64/include/asm/device.h1
-rw-r--r--arch/arm64/include/asm/dma-mapping.h12
-rw-r--r--arch/arm64/include/asm/kprobes.h4
-rw-r--r--arch/arm64/kernel/armv8_deprecated.c1
-rw-r--r--arch/arm64/kernel/insn.c1
-rw-r--r--arch/arm64/kernel/probes/decode-insn.h2
-rw-r--r--arch/arm64/kernel/smp.c2
-rw-r--r--arch/arm64/lib/copy_template.S2
-rw-r--r--arch/arm64/mm/dma-mapping.c18
-rw-r--r--arch/avr32/include/asm/dma-mapping.h4
-rw-r--r--arch/avr32/include/asm/kprobes.h7
-rw-r--r--arch/avr32/mm/dma-coherent.c2
-rw-r--r--arch/blackfin/include/asm/Kbuild1
-rw-r--r--arch/blackfin/include/asm/dma-mapping.h4
-rw-r--r--arch/blackfin/kernel/dma-mapping.c2
-rw-r--r--arch/blackfin/mach-common/smp.c4
-rw-r--r--arch/c6x/include/asm/Kbuild1
-rw-r--r--arch/c6x/include/asm/dma-mapping.h4
-rw-r--r--arch/c6x/kernel/dma.c2
-rw-r--r--arch/cris/arch-v32/drivers/pci/dma.c2
-rw-r--r--arch/cris/include/asm/Kbuild2
-rw-r--r--arch/cris/include/asm/current.h15
-rw-r--r--arch/cris/include/asm/dma-mapping.h6
-rw-r--r--arch/frv/include/asm/Kbuild1
-rw-r--r--arch/frv/include/asm/dma-mapping.h4
-rw-r--r--arch/frv/mb93090-mb00/pci-dma-nommu.c2
-rw-r--r--arch/frv/mb93090-mb00/pci-dma.c2
-rw-r--r--arch/frv/mb93090-mb00/pci-frv.c11
-rw-r--r--arch/frv/mm/mmu-context.c2
-rw-r--r--arch/h8300/include/asm/Kbuild1
-rw-r--r--arch/h8300/include/asm/dma-mapping.h4
-rw-r--r--arch/h8300/kernel/dma.c2
-rw-r--r--arch/hexagon/include/asm/Kbuild1
-rw-r--r--arch/hexagon/include/asm/dma-mapping.h7
-rw-r--r--arch/hexagon/kernel/dma.c4
-rw-r--r--arch/hexagon/kernel/smp.c2
-rw-r--r--arch/ia64/hp/common/hwsw_iommu.c4
-rw-r--r--arch/ia64/hp/common/sba_iommu.c4
-rw-r--r--arch/ia64/include/asm/dma-mapping.h7
-rw-r--r--arch/ia64/include/asm/kprobes.h12
-rw-r--r--arch/ia64/include/asm/machvec.h4
-rw-r--r--arch/ia64/kernel/dma-mapping.c4
-rw-r--r--arch/ia64/kernel/pci-dma.c10
-rw-r--r--arch/ia64/kernel/pci-swiotlb.c2
-rw-r--r--arch/ia64/kernel/setup.c2
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c2
-rw-r--r--arch/m32r/Kconfig1
-rw-r--r--arch/m32r/include/asm/Kbuild1
-rw-r--r--arch/m32r/include/asm/device.h1
-rw-r--r--arch/m32r/include/asm/dma-mapping.h4
-rw-r--r--arch/m32r/kernel/setup.c2
-rw-r--r--arch/m68k/68000/bootlogo-vz.h4
-rw-r--r--arch/m68k/68000/bootlogo.h4
-rw-r--r--arch/m68k/configs/amcore_defconfig14
-rw-r--r--arch/m68k/ifpsp060/src/isp.S2
-rw-r--r--arch/m68k/include/asm/Kbuild1
-rw-r--r--arch/m68k/include/asm/MC68328.h3
-rw-r--r--arch/m68k/include/asm/MC68EZ328.h3
-rw-r--r--arch/m68k/include/asm/MC68VZ328.h2
-rw-r--r--arch/m68k/include/asm/dma-mapping.h4
-rw-r--r--arch/m68k/include/asm/natfeat.h3
-rw-r--r--arch/m68k/kernel/dma.c2
-rw-r--r--arch/m68k/lib/ashldi3.c8
-rw-r--r--arch/m68k/lib/ashrdi3.c8
-rw-r--r--arch/m68k/lib/lshrdi3.c8
-rw-r--r--arch/m68k/lib/muldi3.c8
-rw-r--r--arch/metag/include/asm/Kbuild1
-rw-r--r--arch/metag/include/asm/dma-mapping.h4
-rw-r--r--arch/metag/kernel/dma.c2
-rw-r--r--arch/metag/kernel/smp.c4
-rw-r--r--arch/microblaze/include/asm/Kbuild1
-rw-r--r--arch/microblaze/include/asm/dma-mapping.h4
-rw-r--r--arch/microblaze/kernel/dma.c2
-rw-r--r--arch/microblaze/pci/pci-common.c1
-rw-r--r--arch/mips/cavium-octeon/dma-octeon.c4
-rw-r--r--arch/mips/include/asm/device.h5
-rw-r--r--arch/mips/include/asm/dma-mapping.h9
-rw-r--r--arch/mips/include/asm/kprobes.h6
-rw-r--r--arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h2
-rw-r--r--arch/mips/include/asm/netlogic/common.h2
-rw-r--r--arch/mips/kernel/traps.c2
-rw-r--r--arch/mips/kernel/vdso.c2
-rw-r--r--arch/mips/loongson64/common/dma-swiotlb.c2
-rw-r--r--arch/mips/mm/dma-default.c8
-rw-r--r--arch/mips/netlogic/common/nlm-dma.c2
-rw-r--r--arch/mips/pci/pci-octeon.c2
-rw-r--r--arch/mn10300/include/asm/dma-mapping.h4
-rw-r--r--arch/mn10300/include/asm/kprobes.h7
-rw-r--r--arch/mn10300/kernel/smp.c2
-rw-r--r--arch/mn10300/mm/dma-alloc.c2
-rw-r--r--[-rwxr-xr-x]arch/nios2/boot/dts/10m50_devboard.dts0
-rw-r--r--[-rwxr-xr-x]arch/nios2/configs/10m50_defconfig0
-rw-r--r--arch/nios2/include/asm/Kbuild1
-rw-r--r--arch/nios2/include/asm/dma-mapping.h4
-rw-r--r--arch/nios2/mm/dma-mapping.c2
-rw-r--r--arch/openrisc/Kconfig1
-rw-r--r--arch/openrisc/TODO.openrisc1
-rw-r--r--arch/openrisc/include/asm/Kbuild6
-rw-r--r--arch/openrisc/include/asm/atomic.h126
-rw-r--r--arch/openrisc/include/asm/bitops.h2
-rw-r--r--arch/openrisc/include/asm/bitops/atomic.h123
-rw-r--r--arch/openrisc/include/asm/cmpxchg.h83
-rw-r--r--arch/openrisc/include/asm/cpuinfo.h2
-rw-r--r--arch/openrisc/include/asm/dma-mapping.h4
-rw-r--r--arch/openrisc/include/asm/futex.h135
-rw-r--r--arch/openrisc/include/asm/spr_defs.h4
-rw-r--r--arch/openrisc/include/asm/string.h10
-rw-r--r--arch/openrisc/kernel/.gitignore1
-rw-r--r--arch/openrisc/kernel/dma.c2
-rw-r--r--arch/openrisc/kernel/entry.S66
-rw-r--r--arch/openrisc/kernel/head.S206
-rw-r--r--arch/openrisc/kernel/or32_ksyms.c1
-rw-r--r--arch/openrisc/kernel/process.c14
-rw-r--r--arch/openrisc/kernel/ptrace.c1
-rw-r--r--arch/openrisc/kernel/setup.c67
-rw-r--r--arch/openrisc/kernel/traps.c183
-rw-r--r--arch/openrisc/kernel/vmlinux.lds.S4
-rw-r--r--arch/openrisc/lib/Makefile2
-rw-r--r--arch/openrisc/lib/memcpy.c124
-rw-r--r--arch/openrisc/lib/memset.S98
-rw-r--r--arch/openrisc/mm/ioremap.c2
-rw-r--r--arch/parisc/include/asm/Kbuild1
-rw-r--r--arch/parisc/include/asm/dma-mapping.h8
-rw-r--r--arch/parisc/kernel/drivers.c2
-rw-r--r--arch/parisc/kernel/pci-dma.c4
-rw-r--r--arch/parisc/kernel/smp.c2
-rw-r--r--arch/powerpc/boot/dts/fsl/mpc8569mds.dts2
-rw-r--r--arch/powerpc/include/asm/book3s/64/mmu.h2
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable.h52
-rw-r--r--arch/powerpc/include/asm/device.h4
-rw-r--r--arch/powerpc/include/asm/dma-mapping.h14
-rw-r--r--arch/powerpc/include/asm/fsl_hcalls.h2
-rw-r--r--arch/powerpc/include/asm/kprobes.h3
-rw-r--r--arch/powerpc/include/asm/pci.h4
-rw-r--r--arch/powerpc/include/asm/ps3.h2
-rw-r--r--arch/powerpc/include/asm/swiotlb.h2
-rw-r--r--arch/powerpc/kernel/dma-swiotlb.c2
-rw-r--r--arch/powerpc/kernel/dma.c8
-rw-r--r--arch/powerpc/kernel/pci-common.c7
-rw-r--r--arch/powerpc/kernel/smp.c2
-rw-r--r--arch/powerpc/kvm/book3s_64_vio.c4
-rw-r--r--arch/powerpc/kvm/book3s_hv_builtin.c3
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-rw-r--r--tools/testing/selftests/vm/Makefile54
-rw-r--r--tools/testing/selftests/vm/userfaultfd.c22
-rw-r--r--tools/testing/selftests/x86/Makefile17
-rw-r--r--tools/testing/selftests/x86/protection_keys.c19
-rw-r--r--tools/testing/selftests/zram/Makefile3
-rw-r--r--virt/kvm/async_pf.c2
-rw-r--r--virt/kvm/kvm_main.c6
1753 files changed, 45009 insertions, 21775 deletions
diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index c8a8eb1a2b11..793acf999e9e 100644
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -270,8 +270,8 @@ m68k/
- directory with info about Linux on Motorola 68k architecture.
mailbox.txt
- How to write drivers for the common mailbox framework (IPC).
-md-cluster.txt
- - info on shared-device RAID MD cluster.
+md/
+ - directory with info about Linux Software RAID
media/
- info on media drivers: uAPI, kAPI and driver documentation.
memory-barriers.txt
diff --git a/Documentation/ABI/testing/sysfs-bus-i2c-devices-bq32k b/Documentation/ABI/testing/sysfs-bus-i2c-devices-bq32k
new file mode 100644
index 000000000000..398b258fb770
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-i2c-devices-bq32k
@@ -0,0 +1,7 @@
+What: /sys/bus/i2c/devices/.../trickle_charge_bypass
+Date: Jan 2017
+KernelVersion: 4.11
+Contact: Enric Balletbo i Serra <eballetbo@gmail.com>
+Description: Attribute for enable/disable the trickle charge bypass
+ The trickle_charge_bypass attribute allows the userspace to
+ enable/disable the Trickle charge FET bypass.
diff --git a/Documentation/DocBook/libata.tmpl b/Documentation/DocBook/libata.tmpl
index d7fcdc5a4379..0320910b866d 100644
--- a/Documentation/DocBook/libata.tmpl
+++ b/Documentation/DocBook/libata.tmpl
@@ -1020,7 +1020,7 @@ and other resources, etc.
</itemizedlist>
<para>
- Of errors detected as above, the followings are not ATA/ATAPI
+ Of errors detected as above, the following are not ATA/ATAPI
device errors but ATA bus errors and should be handled
according to <xref linkend="excatATAbusErr"/>.
</para>
diff --git a/Documentation/IPMI.txt b/Documentation/IPMI.txt
index 72292308d0f5..6962cab997ef 100644
--- a/Documentation/IPMI.txt
+++ b/Documentation/IPMI.txt
@@ -257,7 +257,7 @@ and tell you when they come and go.
Creating the User
-To user the message handler, you must first create a user using
+To use the message handler, you must first create a user using
ipmi_create_user. The interface number specifies which SMI you want
to connect to, and you must supply callback functions to be called
when data comes in. The callback function can run at interrupt level,
diff --git a/Documentation/acpi/method-customizing.txt b/Documentation/acpi/method-customizing.txt
index 5f55373dd53b..a3f598e141f2 100644
--- a/Documentation/acpi/method-customizing.txt
+++ b/Documentation/acpi/method-customizing.txt
@@ -57,7 +57,7 @@ Note: To get the ACPI debug object output (Store (AAAA, Debug)),
3. undo your changes
The "undo" operation is not supported for a new inserted method
right now, i.e. we can not remove a method currently.
- For an overrided method, in order to undo your changes, please
+ For an overridden method, in order to undo your changes, please
save a copy of the method original ASL code in step c) section 1,
and redo step c) ~ g) to override the method with the original one.
diff --git a/Documentation/acpi/method-tracing.txt b/Documentation/acpi/method-tracing.txt
index c2505eefc878..0aba14c8f459 100644
--- a/Documentation/acpi/method-tracing.txt
+++ b/Documentation/acpi/method-tracing.txt
@@ -152,7 +152,7 @@ tracing facility.
Users can enable/disable this debug tracing feature by executing
the following command:
# echo string > /sys/module/acpi/parameters/trace_state
- Where "string" should be one of the followings:
+ Where "string" should be one of the following:
"disable"
Disable the method tracing feature.
"enable"
diff --git a/Documentation/admin-guide/md.rst b/Documentation/admin-guide/md.rst
index e449fb5f277c..1e61bf50595c 100644
--- a/Documentation/admin-guide/md.rst
+++ b/Documentation/admin-guide/md.rst
@@ -725,3 +725,8 @@ These currently include:
to 1. Setting this to 0 disables bypass accounting and
requires preread stripes to wait until all full-width stripe-
writes are complete. Valid values are 0 to stripe_cache_size.
+
+ journal_mode (currently raid5 only)
+ The cache mode for raid5. raid5 could include an extra disk for
+ caching. The mode can be "write-throuth" and "write-back". The
+ default is "write-through".
diff --git a/Documentation/admin-guide/ras.rst b/Documentation/admin-guide/ras.rst
index 9939348bd4a3..1b90c6f00a92 100644
--- a/Documentation/admin-guide/ras.rst
+++ b/Documentation/admin-guide/ras.rst
@@ -81,7 +81,7 @@ That defines some categories of errors:
still run, eventually replacing the affected hardware by a hot spare,
if available.
- Also, when an error happens on an userspace process, it is also possible to
+ Also, when an error happens on a userspace process, it is also possible to
kill such process and let userspace restart it.
The mechanism for handling non-fatal errors is usually complex and may
diff --git a/Documentation/blockdev/mflash.txt b/Documentation/blockdev/mflash.txt
index 1f610ecf698a..f7e050551487 100644
--- a/Documentation/blockdev/mflash.txt
+++ b/Documentation/blockdev/mflash.txt
@@ -17,7 +17,7 @@ driver and currently works well under standard IDE subsystem. Actually it's
one chip SSD. IO mode is ATA-like custom mode for the host that doesn't have
IDE interface.
-Followings are brief descriptions about IO mode.
+Following are brief descriptions about IO mode.
A. IO mode based on ATA protocol and uses some custom command. (read confirm,
write confirm)
B. IO mode uses SRAM bus interface.
diff --git a/Documentation/blockdev/zram.txt b/Documentation/blockdev/zram.txt
index 1c0c08d9206b..4fced8a21307 100644
--- a/Documentation/blockdev/zram.txt
+++ b/Documentation/blockdev/zram.txt
@@ -201,8 +201,8 @@ File /sys/block/zram<id>/mm_stat
The stat file represents device's mm statistics. It consists of a single
line of text and contains the following stats separated by whitespace:
orig_data_size uncompressed size of data stored in this disk.
- This excludes zero-filled pages (zero_pages) since no
- memory is allocated for them.
+ This excludes same-element-filled pages (same_pages) since
+ no memory is allocated for them.
Unit: bytes
compr_data_size compressed size of data stored in this disk
mem_used_total the amount of memory allocated for this disk. This
@@ -214,7 +214,7 @@ line of text and contains the following stats separated by whitespace:
the compressed data
mem_used_max the maximum amount of memory zram have consumed to
store the data
- zero_pages the number of zero filled pages written to this disk.
+ same_pages the number of same element filled pages written to this disk.
No memory is allocated for such pages.
pages_compacted the number of pages freed during compaction
diff --git a/Documentation/cgroup-v1/rdma.txt b/Documentation/cgroup-v1/rdma.txt
new file mode 100644
index 000000000000..af618171e0eb
--- /dev/null
+++ b/Documentation/cgroup-v1/rdma.txt
@@ -0,0 +1,109 @@
+ RDMA Controller
+ ----------------
+
+Contents
+--------
+
+1. Overview
+ 1-1. What is RDMA controller?
+ 1-2. Why RDMA controller needed?
+ 1-3. How is RDMA controller implemented?
+2. Usage Examples
+
+1. Overview
+
+1-1. What is RDMA controller?
+-----------------------------
+
+RDMA controller allows user to limit RDMA/IB specific resources that a given
+set of processes can use. These processes are grouped using RDMA controller.
+
+RDMA controller defines two resources which can be limited for processes of a
+cgroup.
+
+1-2. Why RDMA controller needed?
+--------------------------------
+
+Currently user space applications can easily take away all the rdma verb
+specific resources such as AH, CQ, QP, MR etc. Due to which other applications
+in other cgroup or kernel space ULPs may not even get chance to allocate any
+rdma resources. This can leads to service unavailability.
+
+Therefore RDMA controller is needed through which resource consumption
+of processes can be limited. Through this controller different rdma
+resources can be accounted.
+
+1-3. How is RDMA controller implemented?
+----------------------------------------
+
+RDMA cgroup allows limit configuration of resources. Rdma cgroup maintains
+resource accounting per cgroup, per device using resource pool structure.
+Each such resource pool is limited up to 64 resources in given resource pool
+by rdma cgroup, which can be extended later if required.
+
+This resource pool object is linked to the cgroup css. Typically there
+are 0 to 4 resource pool instances per cgroup, per device in most use cases.
+But nothing limits to have it more. At present hundreds of RDMA devices per
+single cgroup may not be handled optimally, however there is no
+known use case or requirement for such configuration either.
+
+Since RDMA resources can be allocated from any process and can be freed by any
+of the child processes which shares the address space, rdma resources are
+always owned by the creator cgroup css. This allows process migration from one
+to other cgroup without major complexity of transferring resource ownership;
+because such ownership is not really present due to shared nature of
+rdma resources. Linking resources around css also ensures that cgroups can be
+deleted after processes migrated. This allow progress migration as well with
+active resources, even though that is not a primary use case.
+
+Whenever RDMA resource charging occurs, owner rdma cgroup is returned to
+the caller. Same rdma cgroup should be passed while uncharging the resource.
+This also allows process migrated with active RDMA resource to charge
+to new owner cgroup for new resource. It also allows to uncharge resource of
+a process from previously charged cgroup which is migrated to new cgroup,
+even though that is not a primary use case.
+
+Resource pool object is created in following situations.
+(a) User sets the limit and no previous resource pool exist for the device
+of interest for the cgroup.
+(b) No resource limits were configured, but IB/RDMA stack tries to
+charge the resource. So that it correctly uncharge them when applications are
+running without limits and later on when limits are enforced during uncharging,
+otherwise usage count will drop to negative.
+
+Resource pool is destroyed if all the resource limits are set to max and
+it is the last resource getting deallocated.
+
+User should set all the limit to max value if it intents to remove/unconfigure
+the resource pool for a particular device.
+
+IB stack honors limits enforced by the rdma controller. When application
+query about maximum resource limits of IB device, it returns minimum of
+what is configured by user for a given cgroup and what is supported by
+IB device.
+
+Following resources can be accounted by rdma controller.
+ hca_handle Maximum number of HCA Handles
+ hca_object Maximum number of HCA Objects
+
+2. Usage Examples
+-----------------
+
+(a) Configure resource limit:
+echo mlx4_0 hca_handle=2 hca_object=2000 > /sys/fs/cgroup/rdma/1/rdma.max
+echo ocrdma1 hca_handle=3 > /sys/fs/cgroup/rdma/2/rdma.max
+
+(b) Query resource limit:
+cat /sys/fs/cgroup/rdma/2/rdma.max
+#Output:
+mlx4_0 hca_handle=2 hca_object=2000
+ocrdma1 hca_handle=3 hca_object=max
+
+(c) Query current usage:
+cat /sys/fs/cgroup/rdma/2/rdma.current
+#Output:
+mlx4_0 hca_handle=1 hca_object=20
+ocrdma1 hca_handle=1 hca_object=23
+
+(d) Delete resource limit:
+echo echo mlx4_0 hca_handle=max hca_object=max > /sys/fs/cgroup/rdma/1/rdma.max
diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt
index 4cc07ce3b8dd..3b8449f8ac7e 100644
--- a/Documentation/cgroup-v2.txt
+++ b/Documentation/cgroup-v2.txt
@@ -47,6 +47,12 @@ CONTENTS
5-3. IO
5-3-1. IO Interface Files
5-3-2. Writeback
+ 5-4. PID
+ 5-4-1. PID Interface Files
+ 5-5. RDMA
+ 5-5-1. RDMA Interface Files
+ 5-6. Misc
+ 5-6-1. perf_event
6. Namespace
6-1. Basics
6-2. The Root and Views
@@ -328,14 +334,12 @@ a process with a non-root euid to migrate a target process into a
cgroup by writing its PID to the "cgroup.procs" file, the following
conditions must be met.
-- The writer's euid must match either uid or suid of the target process.
-
- The writer must have write access to the "cgroup.procs" file.
- The writer must have write access to the "cgroup.procs" file of the
common ancestor of the source and destination cgroups.
-The above three constraints ensure that while a delegatee may migrate
+The above two constraints ensure that while a delegatee may migrate
processes around freely in the delegated sub-hierarchy it can't pull
in from or push out to outside the sub-hierarchy.
@@ -350,10 +354,10 @@ all processes under C0 and C1 belong to U0.
Let's also say U0 wants to write the PID of a process which is
currently in C10 into "C00/cgroup.procs". U0 has write access to the
-file and uid match on the process; however, the common ancestor of the
-source cgroup C10 and the destination cgroup C00 is above the points
-of delegation and U0 would not have write access to its "cgroup.procs"
-files and thus the write will be denied with -EACCES.
+file; however, the common ancestor of the source cgroup C10 and the
+destination cgroup C00 is above the points of delegation and U0 would
+not have write access to its "cgroup.procs" files and thus the write
+will be denied with -EACCES.
2-6. Guidelines
@@ -1119,6 +1123,91 @@ writeback as follows.
vm.dirty[_background]_ratio.
+5-4. PID
+
+The process number controller is used to allow a cgroup to stop any
+new tasks from being fork()'d or clone()'d after a specified limit is
+reached.
+
+The number of tasks in a cgroup can be exhausted in ways which other
+controllers cannot prevent, thus warranting its own controller. For
+example, a fork bomb is likely to exhaust the number of tasks before
+hitting memory restrictions.
+
+Note that PIDs used in this controller refer to TIDs, process IDs as
+used by the kernel.
+
+
+5-4-1. PID Interface Files
+
+ pids.max
+
+ A read-write single value file which exists on non-root cgroups. The
+ default is "max".
+
+ Hard limit of number of processes.
+
+ pids.current
+
+ A read-only single value file which exists on all cgroups.
+
+ The number of processes currently in the cgroup and its descendants.
+
+Organisational operations are not blocked by cgroup policies, so it is
+possible to have pids.current > pids.max. This can be done by either
+setting the limit to be smaller than pids.current, or attaching enough
+processes to the cgroup such that pids.current is larger than
+pids.max. However, it is not possible to violate a cgroup PID policy
+through fork() or clone(). These will return -EAGAIN if the creation
+of a new process would cause a cgroup policy to be violated.
+
+
+5-5. RDMA
+
+The "rdma" controller regulates the distribution and accounting of
+of RDMA resources.
+
+5-5-1. RDMA Interface Files
+
+ rdma.max
+ A readwrite nested-keyed file that exists for all the cgroups
+ except root that describes current configured resource limit
+ for a RDMA/IB device.
+
+ Lines are keyed by device name and are not ordered.
+ Each line contains space separated resource name and its configured
+ limit that can be distributed.
+
+ The following nested keys are defined.
+
+ hca_handle Maximum number of HCA Handles
+ hca_object Maximum number of HCA Objects
+
+ An example for mlx4 and ocrdma device follows.
+
+ mlx4_0 hca_handle=2 hca_object=2000
+ ocrdma1 hca_handle=3 hca_object=max
+
+ rdma.current
+ A read-only file that describes current resource usage.
+ It exists for all the cgroup except root.
+
+ An example for mlx4 and ocrdma device follows.
+
+ mlx4_0 hca_handle=1 hca_object=20
+ ocrdma1 hca_handle=1 hca_object=23
+
+
+5-6. Misc
+
+5-6-1. perf_event
+
+perf_event controller, if not mounted on a legacy hierarchy, is
+automatically enabled on the v2 hierarchy so that perf events can
+always be filtered by cgroup v2 path. The controller can still be
+moved to a legacy hierarchy after v2 hierarchy is populated.
+
+
6. Namespace
6-1. Basics
diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt
index 0d199353e477..cd2cb2fc85ea 100644
--- a/Documentation/device-mapper/dm-raid.txt
+++ b/Documentation/device-mapper/dm-raid.txt
@@ -319,7 +319,7 @@ Version History
1.5.2 'mismatch_cnt' is zero unless [last_]sync_action is "check".
1.6.0 Add discard support (and devices_handle_discard_safely module param).
1.7.0 Add support for MD RAID0 mappings.
-1.8.0 Explictely check for compatible flags in the superblock metadata
+1.8.0 Explicitly check for compatible flags in the superblock metadata
and reject to start the raid set if any are set by a newer
target version, thus avoiding data corruption on a raid set
with a reshape in progress.
diff --git a/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt b/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt
index e56a1df3a9d3..dd906db34b32 100644
--- a/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt
+++ b/Documentation/devicetree/bindings/clock/brcm,bcm2835-cprman.txt
@@ -16,7 +16,20 @@ Required properties:
- #clock-cells: Should be <1>. The permitted clock-specifier values can be
found in include/dt-bindings/clock/bcm2835.h
- reg: Specifies base physical address and size of the registers
-- clocks: The external oscillator clock phandle
+- clocks: phandles to the parent clocks used as input to the module, in
+ the following order:
+
+ - External oscillator
+ - DSI0 byte clock
+ - DSI0 DDR2 clock
+ - DSI0 DDR clock
+ - DSI1 byte clock
+ - DSI1 DDR2 clock
+ - DSI1 DDR clock
+
+ Only external oscillator is required. The DSI clocks may
+ not be present, in which case their children will be
+ unusable.
Example:
diff --git a/Documentation/devicetree/bindings/clock/exynos4415-clock.txt b/Documentation/devicetree/bindings/clock/exynos4415-clock.txt
deleted file mode 100644
index 847d98bae8cf..000000000000
--- a/Documentation/devicetree/bindings/clock/exynos4415-clock.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-* Samsung Exynos4415 Clock Controller
-
-The Exynos4415 clock controller generates and supplies clock to various
-consumer devices within the Exynos4415 SoC.
-
-Required properties:
-
-- compatible: should be one of the following:
- - "samsung,exynos4415-cmu" - for the main system clocks controller
- (CMU_LEFTBUS, CMU_RIGHTBUS, CMU_TOP, CMU_CPU clock domains).
- - "samsung,exynos4415-cmu-dmc" - for the Exynos4415 SoC DRAM Memory
- Controller (DMC) domain clock controller.
-
-- reg: physical base address of the controller and length of memory mapped
- region.
-
-- #clock-cells: should be 1.
-
-Each clock is assigned an identifier and client nodes can use this identifier
-to specify the clock which they consume.
-
-All available clocks are defined as preprocessor macros in
-dt-bindings/clock/exynos4415.h header and can be used in device
-tree sources.
-
-Example 1: An example of a clock controller node is listed below.
-
- cmu: clock-controller@10030000 {
- compatible = "samsung,exynos4415-cmu";
- reg = <0x10030000 0x18000>;
- #clock-cells = <1>;
- };
-
- cmu-dmc: clock-controller@105C0000 {
- compatible = "samsung,exynos4415-cmu-dmc";
- reg = <0x105C0000 0x3000>;
- #clock-cells = <1>;
- };
diff --git a/Documentation/devicetree/bindings/clock/hi3660-clock.txt b/Documentation/devicetree/bindings/clock/hi3660-clock.txt
new file mode 100644
index 000000000000..cc9b86c35758
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/hi3660-clock.txt
@@ -0,0 +1,42 @@
+* Hisilicon Hi3660 Clock Controller
+
+The Hi3660 clock controller generates and supplies clock to various
+controllers within the Hi3660 SoC.
+
+Required Properties:
+
+- compatible: the compatible should be one of the following strings to
+ indicate the clock controller functionality.
+
+ - "hisilicon,hi3660-crgctrl"
+ - "hisilicon,hi3660-pctrl"
+ - "hisilicon,hi3660-pmuctrl"
+ - "hisilicon,hi3660-sctrl"
+ - "hisilicon,hi3660-iomcu"
+
+- reg: physical base address of the controller and length of memory mapped
+ region.
+
+- #clock-cells: should be 1.
+
+Each clock is assigned an identifier and client nodes use this identifier
+to specify the clock which they consume.
+
+All these identifier could be found in <dt-bindings/clock/hi3660-clock.h>.
+
+Examples:
+ crg_ctrl: clock-controller@fff35000 {
+ compatible = "hisilicon,hi3660-crgctrl", "syscon";
+ reg = <0x0 0xfff35000 0x0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ uart0: serial@fdf02000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x0 0xfdf02000 0x0 0x1000>;
+ interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3660_CLK_MUX_UART0>,
+ <&crg_ctrl HI3660_PCLK>;
+ clock-names = "uartclk", "apb_pclk";
+ status = "disabled";
+ };
diff --git a/Documentation/devicetree/bindings/clock/idt,versaclock5.txt b/Documentation/devicetree/bindings/clock/idt,versaclock5.txt
new file mode 100644
index 000000000000..87e9c47a89a3
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/idt,versaclock5.txt
@@ -0,0 +1,65 @@
+Binding for IDT VersaClock5 programmable i2c clock generator.
+
+The IDT VersaClock5 are programmable i2c clock generators providing
+from 3 to 12 output clocks.
+
+==I2C device node==
+
+Required properties:
+- compatible: shall be one of "idt,5p49v5923" , "idt,5p49v5933".
+- reg: i2c device address, shall be 0x68 or 0x6a.
+- #clock-cells: from common clock binding; shall be set to 1.
+- clocks: from common clock binding; list of parent clock handles,
+ - 5p49v5923: (required) either or both of XTAL or CLKIN
+ reference clock.
+ - 5p49v5933: (optional) property not present (internal
+ Xtal used) or CLKIN reference
+ clock.
+- clock-names: from common clock binding; clock input names, can be
+ - 5p49v5923: (required) either or both of "xin", "clkin".
+ - 5p49v5933: (optional) property not present or "clkin".
+
+==Mapping between clock specifier and physical pins==
+
+When referencing the provided clock in the DT using phandle and
+clock specifier, the following mapping applies:
+
+5P49V5923:
+ 0 -- OUT0_SEL_I2CB
+ 1 -- OUT1
+ 2 -- OUT2
+
+5P49V5933:
+ 0 -- OUT0_SEL_I2CB
+ 1 -- OUT1
+ 2 -- OUT4
+
+==Example==
+
+/* 25MHz reference crystal */
+ref25: ref25m {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+};
+
+i2c-master-node {
+
+ /* IDT 5P49V5923 i2c clock generator */
+ vc5: clock-generator@6a {
+ compatible = "idt,5p49v5923";
+ reg = <0x6a>;
+ #clock-cells = <1>;
+
+ /* Connect XIN input to 25MHz reference */
+ clocks = <&ref25m>;
+ clock-names = "xin";
+ };
+};
+
+/* Consumer referencing the 5P49V5923 pin OUT1 */
+consumer {
+ ...
+ clocks = <&vc5 1>;
+ ...
+}
diff --git a/Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt b/Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt
index 520562a7dc2a..c7b4e3a6b2c6 100644
--- a/Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt
+++ b/Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt
@@ -7,6 +7,7 @@ Required properties:
- compatible : must be "marvell,armada-370-corediv-clock",
"marvell,armada-375-corediv-clock",
"marvell,armada-380-corediv-clock",
+ "marvell,mv98dx3236-corediv-clock",
- reg : must be the register address of Core Divider control register
- #clock-cells : from common clock binding; shall be set to 1
diff --git a/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt b/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt
index 99c214660bdc..7f28506eaee7 100644
--- a/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt
+++ b/Documentation/devicetree/bindings/clock/mvebu-cpu-clock.txt
@@ -3,6 +3,7 @@ Device Tree Clock bindings for cpu clock of Marvell EBU platforms
Required properties:
- compatible : shall be one of the following:
"marvell,armada-xp-cpu-clock" - cpu clocks for Armada XP
+ "marvell,mv98dx3236-cpu-clock" - cpu clocks for 98DX3236 SoC
- reg : Address and length of the clock complex register set, followed
by address and length of the PMU DFS registers
- #clock-cells : should be set to 1.
diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt b/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt
index 87d3714b956a..a7235e9e1c97 100644
--- a/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt
+++ b/Documentation/devicetree/bindings/clock/qcom,rpmcc.txt
@@ -11,6 +11,7 @@ Required properties :
compatible "qcom,rpmcc" should be also included.
"qcom,rpmcc-msm8916", "qcom,rpmcc"
+ "qcom,rpmcc-msm8974", "qcom,rpmcc"
"qcom,rpmcc-apq8064", "qcom,rpmcc"
- #clock-cells : shall contain 1
diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
index c46919412953..f4f944d81308 100644
--- a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt
@@ -42,6 +42,10 @@ Required Properties:
Domain bindings in
Documentation/devicetree/bindings/power/power_domain.txt.
+ - #reset-cells: Must be 1
+ - The single reset specifier cell must be the module number, as defined
+ in the datasheet.
+
Examples
--------
@@ -55,6 +59,7 @@ Examples
clock-names = "extal", "extalr";
#clock-cells = <2>;
#power-domain-cells = <0>;
+ #reset-cells = <1>;
};
@@ -69,5 +74,6 @@ Examples
dmas = <&dmac1 0x13>, <&dmac1 0x12>;
dma-names = "tx", "rx";
power-domains = <&cpg>;
+ resets = <&cpg 310>;
status = "disabled";
};
diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3328-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3328-cru.txt
new file mode 100644
index 000000000000..e71c675ba5da
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/rockchip,rk3328-cru.txt
@@ -0,0 +1,57 @@
+* Rockchip RK3328 Clock and Reset Unit
+
+The RK3328 clock controller generates and supplies clock to various
+controllers within the SoC and also implements a reset controller for SoC
+peripherals.
+
+Required Properties:
+
+- compatible: should be "rockchip,rk3328-cru"
+- reg: physical base address of the controller and length of memory mapped
+ region.
+- #clock-cells: should be 1.
+- #reset-cells: should be 1.
+
+Optional Properties:
+
+- rockchip,grf: phandle to the syscon managing the "general register files"
+ If missing pll rates are not changeable, due to the missing pll lock status.
+
+Each clock is assigned an identifier and client nodes can use this identifier
+to specify the clock which they consume. All available clocks are defined as
+preprocessor macros in the dt-bindings/clock/rk3328-cru.h headers and can be
+used in device tree sources. Similar macros exist for the reset sources in
+these files.
+
+External clocks:
+
+There are several clocks that are generated outside the SoC. It is expected
+that they are defined using standard clock bindings with following
+clock-output-names:
+ - "xin24m" - crystal input - required,
+ - "clkin_i2s" - external I2S clock - optional,
+ - "gmac_clkin" - external GMAC clock - optional
+ - "phy_50m_out" - output clock of the pll in the mac phy
+
+Example: Clock controller node:
+
+ cru: clock-controller@ff440000 {
+ compatible = "rockchip,rk3328-cru";
+ reg = <0x0 0xff440000 0x0 0x1000>;
+ rockchip,grf = <&grf>;
+
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+Example: UART controller node that consumes the clock generated by the clock
+ controller:
+
+ uart0: serial@ff120000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0xff120000 0x100>;
+ interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clocks = <&cru SCLK_UART0>;
+ };
diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt
index 3888dd33fcbd..3bc56fae90ac 100644
--- a/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt
+++ b/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt
@@ -13,6 +13,12 @@ Required Properties:
- #clock-cells: should be 1.
- #reset-cells: should be 1.
+Optional Properties:
+
+- rockchip,grf: phandle to the syscon managing the "general register files".
+ It is used for GRF muxes, if missing any muxes present in the GRF will not
+ be available.
+
Each clock is assigned an identifier and client nodes can use this identifier
to specify the clock which they consume. All available clocks are defined as
preprocessor macros in the dt-bindings/clock/rk3399-cru.h headers and can be
diff --git a/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt b/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt
index 8f19d87cbf24..b240121d2ac9 100644
--- a/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt
+++ b/Documentation/devicetree/bindings/clock/st,stm32-rcc.txt
@@ -10,6 +10,7 @@ Required properties:
- compatible: Should be:
"st,stm32f42xx-rcc"
"st,stm32f469-rcc"
+ "st,stm32f746-rcc"
- reg: should be register base and length as documented in the
datasheet
- #reset-cells: 1, see below
@@ -84,6 +85,25 @@ The secondary index is bound with the following magic numbers:
12 CLK_I2SQ_PDIV (post divisor of pll i2s q divisor)
13 CLK_SAIQ_PDIV (post divisor of pll sai q divisor)
+ 14 CLK_HSI (Internal ocscillator clock)
+ 15 CLK_SYSCLK (System Clock)
+ 16 CLK_HDMI_CEC (HDMI-CEC clock)
+ 17 CLK_SPDIF (SPDIF-Rx clock)
+ 18 CLK_USART1 (U(s)arts clocks)
+ 19 CLK_USART2
+ 20 CLK_USART3
+ 21 CLK_UART4
+ 22 CLK_UART5
+ 23 CLK_USART6
+ 24 CLK_UART7
+ 25 CLK_UART8
+ 26 CLK_I2C1 (I2S clocks)
+ 27 CLK_I2C2
+ 28 CLK_I2C3
+ 29 CLK_I2C4
+ 30 CLK_LPTIMER (LPTimer1 clock)
+)
+
Example:
/* Misc clock, FCLK */
diff --git a/Documentation/devicetree/bindings/clock/stericsson,abx500.txt b/Documentation/devicetree/bindings/clock/stericsson,abx500.txt
new file mode 100644
index 000000000000..dbaa886b223e
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/stericsson,abx500.txt
@@ -0,0 +1,20 @@
+Clock bindings for ST-Ericsson ABx500 clocks
+
+Required properties :
+- compatible : shall contain the following:
+ "stericsson,ab8500-clk"
+- #clock-cells should be <1>
+
+The ABx500 clocks need to be placed as a subnode of an AB8500
+device node, see mfd/ab8500.txt
+
+All available clocks are defined as preprocessor macros in
+dt-bindings/clock/ste-ab8500.h header and can be used in device
+tree sources.
+
+Example:
+
+clock-controller {
+ compatible = "stericsson,ab8500-clk";
+ #clock-cells = <1>;
+};
diff --git a/Documentation/devicetree/bindings/clock/sun9i-de.txt b/Documentation/devicetree/bindings/clock/sun9i-de.txt
new file mode 100644
index 000000000000..fb18f327b97a
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sun9i-de.txt
@@ -0,0 +1,28 @@
+Allwinner A80 Display Engine Clock Control Binding
+--------------------------------------------------
+
+Required properties :
+- compatible: must contain one of the following compatibles:
+ - "allwinner,sun9i-a80-de-clks"
+
+- reg: Must contain the registers base address and length
+- clocks: phandle to the clocks feeding the display engine subsystem.
+ Three are needed:
+ - "mod": the display engine module clock
+ - "dram": the DRAM bus clock for the system
+ - "bus": the bus clock for the whole display engine subsystem
+- clock-names: Must contain the clock names described just above
+- resets: phandle to the reset control for the display engine subsystem.
+- #clock-cells : must contain 1
+- #reset-cells : must contain 1
+
+Example:
+de_clocks: clock@3000000 {
+ compatible = "allwinner,sun9i-a80-de-clks";
+ reg = <0x03000000 0x30>;
+ clocks = <&ccu CLK_DE>, <&ccu CLK_SDRAM>, <&ccu CLK_BUS_DE>;
+ clock-names = "mod", "dram", "bus";
+ resets = <&ccu RST_BUS_DE>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+};
diff --git a/Documentation/devicetree/bindings/clock/sun9i-usb.txt b/Documentation/devicetree/bindings/clock/sun9i-usb.txt
new file mode 100644
index 000000000000..3564bd4f2a20
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sun9i-usb.txt
@@ -0,0 +1,24 @@
+Allwinner A80 USB Clock Control Binding
+---------------------------------------
+
+Required properties :
+- compatible: must contain one of the following compatibles:
+ - "allwinner,sun9i-a80-usb-clocks"
+
+- reg: Must contain the registers base address and length
+- clocks: phandle to the clocks feeding the USB subsystem. Two are needed:
+ - "bus": the bus clock for the whole USB subsystem
+ - "hosc": the high frequency oscillator (usually at 24MHz)
+- clock-names: Must contain the clock names described just above
+- #clock-cells : must contain 1
+- #reset-cells : must contain 1
+
+Example:
+usb_clocks: clock@a08000 {
+ compatible = "allwinner,sun9i-a80-usb-clks";
+ reg = <0x00a08000 0x8>;
+ clocks = <&ccu CLK_BUS_USB>, <&osc24M>;
+ clock-names = "bus", "hosc";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+};
diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
index 74d44a4273f2..bae5668cf427 100644
--- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
@@ -7,6 +7,8 @@ Required properties :
- "allwinner,sun8i-a23-ccu"
- "allwinner,sun8i-a33-ccu"
- "allwinner,sun8i-h3-ccu"
+ - "allwinner,sun8i-v3s-ccu"
+ - "allwinner,sun9i-a80-ccu"
- "allwinner,sun50i-a64-ccu"
- reg: Must contain the registers base address and length
diff --git a/Documentation/devicetree/bindings/clock/ti,cdce925.txt b/Documentation/devicetree/bindings/clock/ti,cdce925.txt
index 4c7669ad681b..0d01f2d5cc36 100644
--- a/Documentation/devicetree/bindings/clock/ti,cdce925.txt
+++ b/Documentation/devicetree/bindings/clock/ti,cdce925.txt
@@ -1,15 +1,22 @@
-Binding for TO CDCE925 programmable I2C clock synthesizers.
+Binding for TI CDCE913/925/937/949 programmable I2C clock synthesizers.
Reference
This binding uses the common clock binding[1].
[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
-[2] http://www.ti.com/product/cdce925
+[2] http://www.ti.com/product/cdce913
+[3] http://www.ti.com/product/cdce925
+[4] http://www.ti.com/product/cdce937
+[5] http://www.ti.com/product/cdce949
The driver provides clock sources for each output Y1 through Y5.
Required properties:
- - compatible: Shall be "ti,cdce925"
+ - compatible: Shall be one of the following:
+ - "ti,cdce913": 1-PLL, 3 Outputs
+ - "ti,cdce925": 2-PLL, 5 Outputs
+ - "ti,cdce937": 3-PLL, 7 Outputs
+ - "ti,cdce949": 4-PLL, 9 Outputs
- reg: I2C device address.
- clocks: Points to a fixed parent clock that provides the input frequency.
- #clock-cells: From common clock bindings: Shall be 1.
@@ -18,7 +25,7 @@ Optional properties:
- xtal-load-pf: Crystal load-capacitor value to fine-tune performance on a
board, or to compensate for external influences.
-For both PLL1 and PLL2 an optional child node can be used to specify spread
+For all PLL1, PLL2, ... an optional child node can be used to specify spread
spectrum clocking parameters for a board.
- spread-spectrum: SSC mode as defined in the data sheet.
- spread-spectrum-center: Use "centered" mode instead of "max" mode. When
diff --git a/Documentation/devicetree/bindings/clock/zx296718-clk.txt b/Documentation/devicetree/bindings/clock/zx296718-clk.txt
index 8c18b7b237bf..4ad703808407 100644
--- a/Documentation/devicetree/bindings/clock/zx296718-clk.txt
+++ b/Documentation/devicetree/bindings/clock/zx296718-clk.txt
@@ -13,6 +13,9 @@ Required properties:
"zte,zx296718-lsp1crm":
zx296718 device level clock selection and gating
+ "zte,zx296718-audiocrm":
+ zx296718 audio clock selection, divider and gating
+
- reg: Address and length of the register set
The clock consumer should specify the desired clock by having the clock
diff --git a/Documentation/devicetree/bindings/display/ssd1307fb.txt b/Documentation/devicetree/bindings/display/ssd1307fb.txt
index eb31ed47a283..209d931ef16c 100644
--- a/Documentation/devicetree/bindings/display/ssd1307fb.txt
+++ b/Documentation/devicetree/bindings/display/ssd1307fb.txt
@@ -8,14 +8,15 @@ Required properties:
0x3c or 0x3d
- pwm: Should contain the pwm to use according to the OF device tree PWM
specification [0]. Only required for the ssd1307.
- - reset-gpios: Should contain the GPIO used to reset the OLED display
- solomon,height: Height in pixel of the screen driven by the controller
- solomon,width: Width in pixel of the screen driven by the controller
- solomon,page-offset: Offset of pages (band of 8 pixels) that the screen is
mapped to.
Optional properties:
- - reset-active-low: Is the reset gpio is active on physical low?
+ - reset-gpios: The GPIO used to reset the OLED display, if available. See
+ Documentation/devicetree/bindings/gpio/gpio.txt for details.
+ - vbat-supply: The supply for VBAT
- solomon,segment-no-remap: Display needs normal (non-inverted) data column
to segment mapping
- solomon,com-seq: Display uses sequential COM pin configuration
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
index cf53d5fba20a..aa097045a10e 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
@@ -19,7 +19,14 @@ Optional Properties:
- i2c-mux-idle-disconnect: Boolean; if defined, forces mux to disconnect all
children in idle state. This is necessary for example, if there are several
multiplexers on the bus and the devices behind them use same I2C addresses.
-
+ - interrupt-parent: Phandle for the interrupt controller that services
+ interrupts for this device.
+ - interrupts: Interrupt mapping for IRQ.
+ - interrupt-controller: Marks the device node as an interrupt controller.
+ - #interrupt-cells : Should be two.
+ - first cell is the pin number
+ - second cell is used to specify flags.
+ See also Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
Example:
@@ -29,6 +36,11 @@ Example:
#size-cells = <0>;
reg = <0x74>;
+ interrupt-parent = <&ipic>;
+ interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
index 7716acc55dec..ae9c2a735f39 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-sh_mobile.txt
@@ -10,6 +10,7 @@ Required properties:
- "renesas,iic-r8a7793" (R-Car M2-N)
- "renesas,iic-r8a7794" (R-Car E2)
- "renesas,iic-r8a7795" (R-Car H3)
+ - "renesas,iic-r8a7796" (R-Car M3-W)
- "renesas,iic-sh73a0" (SH-Mobile AG5)
- "renesas,rcar-gen2-iic" (generic R-Car Gen2 compatible device)
- "renesas,rcar-gen3-iic" (generic R-Car Gen3 compatible device)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
new file mode 100644
index 000000000000..78eaf7b718ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
@@ -0,0 +1,33 @@
+* I2C controller embedded in STMicroelectronics STM32 I2C platform
+
+Required properties :
+- compatible : Must be "st,stm32f4-i2c"
+- reg : Offset and length of the register set for the device
+- interrupts : Must contain the interrupt id for I2C event and then the
+ interrupt id for I2C error.
+- resets: Must contain the phandle to the reset controller.
+- clocks: Must contain the input clock of the I2C instance.
+- A pinctrl state named "default" must be defined to set pins in mode of
+ operation for I2C transfer
+- #address-cells = <1>;
+- #size-cells = <0>;
+
+Optional properties :
+- clock-frequency : Desired I2C bus clock frequency in Hz. If not specified,
+ the default 100 kHz frequency will be used. As only Normal and Fast modes
+ are supported, possible values are 100000 and 400000.
+
+Example :
+
+ i2c@40005400 {
+ compatible = "st,stm32f4-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x40005400 0x400>;
+ interrupts = <31>,
+ <32>;
+ resets = <&rcc 277>;
+ clocks = <&rcc 0 149>;
+ pinctrl-0 = <&i2c1_sda_pin>, <&i2c1_scl_pin>;
+ pinctrl-names = "default";
+ };
diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.txt b/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.txt
new file mode 100644
index 000000000000..ab240e10debc
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.txt
@@ -0,0 +1,42 @@
+NVIDIA Tegra186 BPMP I2C controller
+
+In Tegra186, the BPMP (Boot and Power Management Processor) owns certain HW
+devices, such as the I2C controller for the power management I2C bus. Software
+running on other CPUs must perform IPC to the BPMP in order to execute
+transactions on that I2C bus. This binding describes an I2C bus that is
+accessed in such a fashion.
+
+The BPMP I2C node must be located directly inside the main BPMP node. See
+../firmware/nvidia,tegra186-bpmp.txt for details of the BPMP binding.
+
+This node represents an I2C controller. See ../i2c/i2c.txt for details of the
+core I2C binding.
+
+Required properties:
+- compatible:
+ Array of strings.
+ One of:
+ - "nvidia,tegra186-bpmp-i2c".
+- #address-cells: Address cells for I2C device address.
+ Single-cell integer.
+ Must be <1>.
+- #size-cells:
+ Single-cell integer.
+ Must be <0>.
+- nvidia,bpmp-bus-id:
+ Single-cell integer.
+ Indicates the I2C bus number this DT node represent, as defined by the
+ BPMP firmware.
+
+Example:
+
+bpmp {
+ ...
+
+ i2c {
+ compatible = "nvidia,tegra186-bpmp-i2c";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ nvidia,bpmp-bus-id = <5>;
+ };
+};
diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
index 485bc59fcc48..3c91ad430eea 100644
--- a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
+++ b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
@@ -234,7 +234,7 @@ see regulator.txt - with additional custom properties described below:
- qcom,switch-mode-frequency:
Usage: required
Value type: <u32>
- Definition: Frequency (Hz) of the swith mode power supply;
+ Definition: Frequency (Hz) of the switch mode power supply;
must be one of:
19200000, 9600000, 6400000, 4800000, 3840000, 3200000,
2740000, 2400000, 2130000, 1920000, 1750000, 1600000,
diff --git a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
index 7aa840c8768d..ae4234ca4ee4 100644
--- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
+++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt
@@ -1,7 +1,7 @@
* Marvell Armada 370 / Armada XP / Armada 3700 Ethernet Controller (NETA)
Required properties:
-- compatible: could be one of the followings
+- compatible: could be one of the following:
"marvell,armada-370-neta"
"marvell,armada-xp-neta"
"marvell,armada-3700-neta"
diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt
index 9f5ca4457b5f..ecdcfb790704 100644
--- a/Documentation/devicetree/bindings/opp/opp.txt
+++ b/Documentation/devicetree/bindings/opp/opp.txt
@@ -136,7 +136,7 @@ Optional properties:
larger OPP table, based on what version of the hardware we are running on. We
still can't have multiple nodes with the same opp-hz value in OPP table.
- It's an user defined array containing a hierarchy of hardware version numbers,
+ It's a user defined array containing a hierarchy of hardware version numbers,
supported by the OPP. For example: a platform with hierarchy of three levels
of versions (A, B and C), this field should be like <X Y Z>, where X
corresponds to Version hierarchy A, Y corresponds to version hierarchy B and Z
diff --git a/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt
index 7c85dca4221a..2fd688c8dbdb 100644
--- a/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/allwinner,sunxi-pinctrl.txt
@@ -6,7 +6,7 @@ the first two functions being GPIO in and out. The configuration on
the pins includes drive strength and pull-up.
Required properties:
-- compatible: Should be one of the followings (depending on you SoC):
+- compatible: Should be one of the following (depending on your SoC):
"allwinner,sun4i-a10-pinctrl"
"allwinner,sun5i-a10s-pinctrl"
"allwinner,sun5i-a13-pinctrl"
diff --git a/Documentation/devicetree/bindings/power/pd-samsung.txt b/Documentation/devicetree/bindings/power/pd-samsung.txt
index 7eb9674e9687..549f7dee9b9d 100644
--- a/Documentation/devicetree/bindings/power/pd-samsung.txt
+++ b/Documentation/devicetree/bindings/power/pd-samsung.txt
@@ -23,7 +23,7 @@ Optional Properties:
- clock-names: The following clocks can be specified:
- oscclk: Oscillator clock.
- clkN: Input clocks to the devices in this power domain. These clocks
- will be reparented to oscclk before swithing power domain off.
+ will be reparented to oscclk before switching power domain off.
Their original parent will be brought back after turning on
the domain. Maximum of 4 clocks (N = 0 to 3) are supported.
- asbN: Clocks required by asynchronous bridges (ASB) present in
diff --git a/Documentation/devicetree/bindings/rtc/armada-380-rtc.txt b/Documentation/devicetree/bindings/rtc/armada-380-rtc.txt
index 2eb9d4ee7dc0..c3c9a1226f9a 100644
--- a/Documentation/devicetree/bindings/rtc/armada-380-rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/armada-380-rtc.txt
@@ -1,9 +1,11 @@
-* Real Time Clock of the Armada 38x SoCs
+* Real Time Clock of the Armada 38x/7K/8K SoCs
-RTC controller for the Armada 38x SoCs
+RTC controller for the Armada 38x, 7K and 8K SoCs
Required properties:
-- compatible : Should be "marvell,armada-380-rtc"
+- compatible : Should be one of the following:
+ "marvell,armada-380-rtc" for Armada 38x SoC
+ "marvell,armada-8k-rtc" for Aramda 7K/8K SoCs
- reg: a list of base address and size pairs, one for each entry in
reg-names
- reg names: should contain:
diff --git a/Documentation/devicetree/bindings/rtc/cortina,gemini.txt b/Documentation/devicetree/bindings/rtc/cortina,gemini.txt
new file mode 100644
index 000000000000..4ce4e794ddbb
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/cortina,gemini.txt
@@ -0,0 +1,14 @@
+* Cortina Systems Gemini RTC
+
+Gemini SoC real-time clock.
+
+Required properties:
+- compatible : Should be "cortina,gemini-rtc"
+
+Examples:
+
+rtc@45000000 {
+ compatible = "cortina,gemini-rtc";
+ reg = <0x45000000 0x100>;
+ interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
+};
diff --git a/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt b/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt
index c9d80d7da141..323cf26374cb 100644
--- a/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt
@@ -8,10 +8,13 @@ Required properties:
region.
- interrupts: rtc alarm interrupt
+Optional properties:
+- interrupts: dryice security violation interrupt
+
Example:
rtc@80056000 {
compatible = "fsl,imx53-rtc", "fsl,imx25-rtc";
reg = <0x80056000 2000>;
- interrupts = <29>;
+ interrupts = <29 56>;
};
diff --git a/Documentation/devicetree/bindings/rtc/maxim,ds3231.txt b/Documentation/devicetree/bindings/rtc/maxim,ds3231.txt
index 1ad4c1c2b3b3..85be53a42180 100644
--- a/Documentation/devicetree/bindings/rtc/maxim,ds3231.txt
+++ b/Documentation/devicetree/bindings/rtc/maxim,ds3231.txt
@@ -1,7 +1,8 @@
* Maxim DS3231 Real Time Clock
Required properties:
-see: Documentation/devicetree/bindings/i2c/trivial-admin-guide/devices.rst
+- compatible: Should contain "maxim,ds3231".
+- reg: I2C address for chip.
Optional property:
- #clock-cells: Should be 1.
diff --git a/Documentation/devicetree/bindings/rtc/pcf8563.txt b/Documentation/devicetree/bindings/rtc/pcf8563.txt
index 086c998c5561..36984acbb383 100644
--- a/Documentation/devicetree/bindings/rtc/pcf8563.txt
+++ b/Documentation/devicetree/bindings/rtc/pcf8563.txt
@@ -3,7 +3,8 @@
Philips PCF8563/Epson RTC8564 Real Time Clock
Required properties:
-see: Documentation/devicetree/bindings/i2c/trivial-admin-guide/devices.rst
+- compatible: Should contain "nxp,pcf8563".
+- reg: I2C address for chip.
Optional property:
- #clock-cells: Should be 0.
diff --git a/Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt b/Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt
new file mode 100644
index 000000000000..e2837b951237
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/st,stm32-rtc.txt
@@ -0,0 +1,27 @@
+STM32 Real Time Clock
+
+Required properties:
+- compatible: "st,stm32-rtc".
+- reg: address range of rtc register set.
+- clocks: reference to the clock entry ck_rtc.
+- interrupt-parent: phandle for the interrupt controller.
+- interrupts: rtc alarm interrupt.
+- st,syscfg: phandle for pwrcfg, mandatory to disable/enable backup domain
+ (RTC registers) write protection.
+
+Optional properties (to override default ck_rtc parent clock):
+- assigned-clocks: reference to the ck_rtc clock entry.
+- assigned-clock-parents: phandle of the new parent clock of ck_rtc.
+
+Example:
+
+ rtc: rtc@40002800 {
+ compatible = "st,stm32-rtc";
+ reg = <0x40002800 0x400>;
+ clocks = <&rcc 1 CLK_RTC>;
+ assigned-clocks = <&rcc 1 CLK_RTC>;
+ assigned-clock-parents = <&rcc 1 CLK_LSE>;
+ interrupt-parent = <&exti>;
+ interrupts = <17 1>;
+ st,syscfg = <&pwrcfg>;
+ };
diff --git a/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt b/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt
index f007e428a1ab..945934918b71 100644
--- a/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/sun6i-rtc.txt
@@ -8,10 +8,20 @@ Required properties:
memory mapped region.
- interrupts : IRQ lines for the RTC alarm 0 and alarm 1, in that order.
+Required properties for new device trees
+- clocks : phandle to the 32kHz external oscillator
+- clock-output-names : name of the LOSC clock created
+- #clock-cells : must be equals to 1. The RTC provides two clocks: the
+ LOSC and its external output, with index 0 and 1
+ respectively.
+
Example:
rtc: rtc@01f00000 {
compatible = "allwinner,sun6i-a31-rtc";
reg = <0x01f00000 0x54>;
interrupts = <0 40 4>, <0 41 4>;
+ clock-output-names = "osc32k";
+ clocks = <&ext_osc32k>;
+ #clock-cells = <1>;
};
diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.txt b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
index c6e62cb30712..a0685c209218 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/grf.txt
+++ b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
@@ -10,7 +10,7 @@ From RK3368 SoCs, the GRF is divided into two sections,
Required Properties:
-- compatible: GRF should be one of the followings
+- compatible: GRF should be one of the following:
- "rockchip,rk3036-grf", "syscon": for rk3036
- "rockchip,rk3066-grf", "syscon": for rk3066
- "rockchip,rk3188-grf", "syscon": for rk3188
@@ -18,7 +18,7 @@ Required Properties:
- "rockchip,rk3288-grf", "syscon": for rk3288
- "rockchip,rk3368-grf", "syscon": for rk3368
- "rockchip,rk3399-grf", "syscon": for rk3399
-- compatible: PMUGRF should be one of the followings
+- compatible: PMUGRF should be one of the following:
- "rockchip,rk3368-pmugrf", "syscon": for rk3368
- "rockchip,rk3399-pmugrf", "syscon": for rk3399
- compatible: SGRF should be one of the following
diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
index 4ea29aa9af59..a6600f6dea64 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
@@ -5,7 +5,7 @@ audio data transfer between devices in the system.
Required properties:
-- compatible: should be one of the followings
+- compatible: should be one of the following:
- "rockchip,rk3066-i2s": for rk3066
- "rockchip,rk3188-i2s", "rockchip,rk3066-i2s": for rk3188
- "rockchip,rk3288-i2s", "rockchip,rk3066-i2s": for rk3288
@@ -17,7 +17,7 @@ Required properties:
Documentation/devicetree/bindings/dma/dma.txt
- dma-names: should include "tx" and "rx".
- clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names.
-- clock-names: should contain followings:
+- clock-names: should contain the following:
- "i2s_hclk": clock for I2S BUS
- "i2s_clk" : clock for I2S controller
- rockchip,playback-channels: max playback channels, if not set, 8 channels default.
diff --git a/Documentation/devicetree/bindings/sound/rt5665.txt b/Documentation/devicetree/bindings/sound/rt5665.txt
index 419c89219681..419c89219681 100755..100644
--- a/Documentation/devicetree/bindings/sound/rt5665.txt
+++ b/Documentation/devicetree/bindings/sound/rt5665.txt
diff --git a/Documentation/devicetree/bindings/sound/sun4i-codec.txt b/Documentation/devicetree/bindings/sound/sun4i-codec.txt
index 3033bd8aab0f..3863531d1e6d 100644
--- a/Documentation/devicetree/bindings/sound/sun4i-codec.txt
+++ b/Documentation/devicetree/bindings/sound/sun4i-codec.txt
@@ -14,7 +14,7 @@ Required properties:
- dma-names: should include "tx" and "rx".
- clocks: a list of phandle + clock-specifer pairs, one for each entry
in clock-names.
-- clock-names: should contain followings:
+- clock-names: should contain the following:
- "apb": the parent APB clock for this controller
- "codec": the parent module clock
diff --git a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt
index f4adc58f82ba..ee21da865771 100644
--- a/Documentation/devicetree/bindings/sound/sun4i-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/sun4i-i2s.txt
@@ -5,7 +5,7 @@ audio data transfer between devices in the system.
Required properties:
-- compatible: should be one of the followings
+- compatible: should be one of the following:
- "allwinner,sun4i-a10-i2s"
- "allwinner,sun6i-a31-i2s"
- reg: physical base address of the controller and length of memory mapped
@@ -15,7 +15,7 @@ Required properties:
Documentation/devicetree/bindings/dma/dma.txt
- dma-names: should include "tx" and "rx".
- clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names.
-- clock-names: should contain followings:
+- clock-names: should contain the following:
- "apb" : clock for the I2S bus interface
- "mod" : module clock for the I2S controller
- #sound-dai-cells : Must be equal to 0
diff --git a/Documentation/devicetree/bindings/watchdog/cortina,gemin-watchdog.txt b/Documentation/devicetree/bindings/watchdog/cortina,gemin-watchdog.txt
new file mode 100644
index 000000000000..bc4b865d178b
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/cortina,gemin-watchdog.txt
@@ -0,0 +1,17 @@
+Cortina Systems Gemini SoC Watchdog
+
+Required properties:
+- compatible : must be "cortina,gemini-watchdog"
+- reg : shall contain base register location and length
+- interrupts : shall contain the interrupt for the watchdog
+
+Optional properties:
+- timeout-sec : the default watchdog timeout in seconds.
+
+Example:
+
+watchdog@41000000 {
+ compatible = "cortina,gemini-watchdog";
+ reg = <0x41000000 0x1000>;
+ interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
+};
diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
index 8f3d96af81d7..1f6e101e299a 100644
--- a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt
@@ -6,10 +6,11 @@ occurred.
Required properties:
- compatible : should be one among the following
- (a) "samsung,s3c2410-wdt" for Exynos4 and previous SoCs
- (b) "samsung,exynos5250-wdt" for Exynos5250
- (c) "samsung,exynos5420-wdt" for Exynos5420
- (c) "samsung,exynos7-wdt" for Exynos7
+ - "samsung,s3c2410-wdt" for S3C2410
+ - "samsung,s3c6410-wdt" for S3C6410, S5PV210 and Exynos4
+ - "samsung,exynos5250-wdt" for Exynos5250
+ - "samsung,exynos5420-wdt" for Exynos5420
+ - "samsung,exynos7-wdt" for Exynos7
- reg : base physical address of the controller and length of memory mapped
region.
diff --git a/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt
new file mode 100644
index 000000000000..06ce67766756
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/zte,zx2967-wdt.txt
@@ -0,0 +1,32 @@
+ZTE zx2967 Watchdog timer
+
+Required properties:
+
+- compatible : should be one of the following.
+ * zte,zx296718-wdt
+- reg : Specifies base physical address and size of the registers.
+- clocks : Pairs of phandle and specifier referencing the controller's clocks.
+- resets : Reference to the reset controller controlling the watchdog
+ controller.
+
+Optional properties:
+
+- timeout-sec : Contains the watchdog timeout in seconds.
+- zte,wdt-reset-sysctrl : Directs how to reset system by the watchdog.
+ if we don't want to restart system when watchdog been triggered,
+ it's not required, vice versa.
+ It should include following fields.
+ * phandle of aon-sysctrl.
+ * offset of register that be written, should be 0xb0.
+ * configure value that be written to aon-sysctrl.
+ * bit mask, corresponding bits will be affected.
+
+Example:
+
+wdt: watchdog@1465000 {
+ compatible = "zte,zx296718-wdt";
+ reg = <0x1465000 0x1000>;
+ clocks = <&topcrm WDT_WCLK>;
+ resets = <&toprst 35>;
+ zte,wdt-reset-sysctrl = <&aon_sysctrl 0xb0 1 0x115>;
+};
diff --git a/Documentation/filesystems/autofs4-mount-control.txt b/Documentation/filesystems/autofs4-mount-control.txt
index 50a3e01a36f8..e5177cb31a04 100644
--- a/Documentation/filesystems/autofs4-mount-control.txt
+++ b/Documentation/filesystems/autofs4-mount-control.txt
@@ -179,6 +179,7 @@ struct autofs_dev_ioctl {
* including this struct */
__s32 ioctlfd; /* automount command fd */
+ /* Command parameters */
union {
struct args_protover protover;
struct args_protosubver protosubver;
diff --git a/Documentation/filesystems/autofs4.txt b/Documentation/filesystems/autofs4.txt
index 8fac3fe7b8c9..f10dd590f69f 100644
--- a/Documentation/filesystems/autofs4.txt
+++ b/Documentation/filesystems/autofs4.txt
@@ -65,7 +65,7 @@ directory is a mount trap only if the filesystem is mounted *direct*
and the root is empty.
Directories created in the root directory are mount traps only if the
-filesystem is mounted *indirect* and they are empty.
+filesystem is mounted *indirect* and they are empty.
Directories further down the tree depend on the *maxproto* mount
option and particularly whether it is less than five or not.
@@ -352,7 +352,7 @@ Communicating with autofs: root directory ioctls
------------------------------------------------
The root directory of an autofs filesystem will respond to a number of
-ioctls. The process issuing the ioctl must have the CAP_SYS_ADMIN
+ioctls. The process issuing the ioctl must have the CAP_SYS_ADMIN
capability, or must be the automount daemon.
The available ioctl commands are:
@@ -425,8 +425,20 @@ Each ioctl is passed a pointer to an `autofs_dev_ioctl` structure:
* including this struct */
__s32 ioctlfd; /* automount command fd */
- __u32 arg1; /* Command parameters */
- __u32 arg2;
+ /* Command parameters */
+ union {
+ struct args_protover protover;
+ struct args_protosubver protosubver;
+ struct args_openmount openmount;
+ struct args_ready ready;
+ struct args_fail fail;
+ struct args_setpipefd setpipefd;
+ struct args_timeout timeout;
+ struct args_requester requester;
+ struct args_expire expire;
+ struct args_askumount askumount;
+ struct args_ismountpoint ismountpoint;
+ };
char path[0];
};
@@ -446,25 +458,22 @@ Commands are:
set version numbers.
- **AUTOFS_DEV_IOCTL_OPENMOUNT_CMD**: return an open file descriptor
on the root of an autofs filesystem. The filesystem is identified
- by name and device number, which is stored in `arg1`. Device
- numbers for existing filesystems can be found in
+ by name and device number, which is stored in `openmount.devid`.
+ Device numbers for existing filesystems can be found in
`/proc/self/mountinfo`.
- **AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD**: same as `close(ioctlfd)`.
- **AUTOFS_DEV_IOCTL_SETPIPEFD_CMD**: if the filesystem is in
catatonic mode, this can provide the write end of a new pipe
- in `arg1` to re-establish communication with a daemon. The
- process group of the calling process is used to identify the
+ in `setpipefd.pipefd` to re-establish communication with a daemon.
+ The process group of the calling process is used to identify the
daemon.
- **AUTOFS_DEV_IOCTL_REQUESTER_CMD**: `path` should be a
name within the filesystem that has been auto-mounted on.
- arg1 is the dev number of the underlying autofs. On successful
- return, `arg1` and `arg2` will be the UID and GID of the process
- which triggered that mount.
-
+ On successful return, `requester.uid` and `requester.gid` will be
+ the UID and GID of the process which triggered that mount.
- **AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD**: Check if path is a
mountpoint of a particular type - see separate documentation for
details.
-
- **AUTOFS_DEV_IOCTL_PROTOVER_CMD**:
- **AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD**:
- **AUTOFS_DEV_IOCTL_READY_CMD**:
@@ -474,7 +483,7 @@ Commands are:
- **AUTOFS_DEV_IOCTL_EXPIRE_CMD**:
- **AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD**: These all have the same
function as the similarly named **AUTOFS_IOC** ioctls, except
- that **FAIL** can be given an explicit error number in `arg1`
+ that **FAIL** can be given an explicit error number in `fail.status`
instead of assuming `ENOENT`, and this **EXPIRE** command
corresponds to **AUTOFS_IOC_EXPIRE_MULTI**.
@@ -512,7 +521,7 @@ always be mounted "shared". e.g.
> `mount --make-shared /autofs/mount/point`
-The automount daemon is only able to mange a single mount location for
+The automount daemon is only able to manage a single mount location for
an autofs filesystem and if mounts on that are not 'shared', other
locations will not behave as expected. In particular access to those
other locations will likely result in the `ELOOP` error
diff --git a/Documentation/filesystems/ceph.txt b/Documentation/filesystems/ceph.txt
index f5306ee40ea9..0b302a11718a 100644
--- a/Documentation/filesystems/ceph.txt
+++ b/Documentation/filesystems/ceph.txt
@@ -98,11 +98,10 @@ Mount Options
size.
rsize=X
- Specify the maximum read size in bytes. By default there is no
- maximum.
+ Specify the maximum read size in bytes. Default: 64 MB.
rasize=X
- Specify the maximum readahead.
+ Specify the maximum readahead. Default: 8 MB.
mount_timeout=X
Specify the timeout value for mount (in seconds), in the case
diff --git a/Documentation/filesystems/quota.txt b/Documentation/filesystems/quota.txt
index 29fc01552646..32874b06ebe9 100644
--- a/Documentation/filesystems/quota.txt
+++ b/Documentation/filesystems/quota.txt
@@ -6,7 +6,7 @@ Quota subsystem allows system administrator to set limits on used space and
number of used inodes (inode is a filesystem structure which is associated with
each file or directory) for users and/or groups. For both used space and number
of used inodes there are actually two limits. The first one is called softlimit
-and the second one hardlimit. An user can never exceed a hardlimit for any
+and the second one hardlimit. A user can never exceed a hardlimit for any
resource (unless he has CAP_SYS_RESOURCE capability). User is allowed to exceed
softlimit but only for limited period of time. This period is called "grace
period" or "grace time". When grace time is over, user is not able to allocate
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index 1bba38dd2637..820d9040de16 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -33,6 +33,7 @@ Supported adapters:
* Intel DNV (SOC)
* Intel Broxton (SOC)
* Intel Lewisburg (PCH)
+ * Intel Gemini Lake (SOC)
Datasheets: Publicly available at the Intel website
On Intel Patsburg and later chipsets, both the normal host SMBus controller
diff --git a/Documentation/i2c/muxes/i2c-mux-gpio b/Documentation/i2c/muxes/i2c-mux-gpio
index d4d91a53fc39..7a8d7d261632 100644
--- a/Documentation/i2c/muxes/i2c-mux-gpio
+++ b/Documentation/i2c/muxes/i2c-mux-gpio
@@ -1,11 +1,11 @@
-Kernel driver i2c-gpio-mux
+Kernel driver i2c-mux-gpio
Author: Peter Korsgaard <peter.korsgaard@barco.com>
Description
-----------
-i2c-gpio-mux is an i2c mux driver providing access to I2C bus segments
+i2c-mux-gpio is an i2c mux driver providing access to I2C bus segments
from a master I2C bus and a hardware MUX controlled through GPIO pins.
E.G.:
@@ -26,16 +26,16 @@ according to the settings of the GPIO pins 1..N.
Usage
-----
-i2c-gpio-mux uses the platform bus, so you need to provide a struct
+i2c-mux-gpio uses the platform bus, so you need to provide a struct
platform_device with the platform_data pointing to a struct
-gpio_i2cmux_platform_data with the I2C adapter number of the master
+i2c_mux_gpio_platform_data with the I2C adapter number of the master
bus, the number of bus segments to create and the GPIO pins used
-to control it. See include/linux/i2c-gpio-mux.h for details.
+to control it. See include/linux/i2c-mux-gpio.h for details.
E.G. something like this for a MUX providing 4 bus segments
controlled through 3 GPIO pins:
-#include <linux/i2c-gpio-mux.h>
+#include <linux/i2c-mux-gpio.h>
#include <linux/platform_device.h>
static const unsigned myboard_gpiomux_gpios[] = {
@@ -46,7 +46,7 @@ static const unsigned myboard_gpiomux_values[] = {
0, 1, 2, 3
};
-static struct gpio_i2cmux_platform_data myboard_i2cmux_data = {
+static struct i2c_mux_gpio_platform_data myboard_i2cmux_data = {
.parent = 1,
.base_nr = 2, /* optional */
.values = myboard_gpiomux_values,
@@ -57,7 +57,7 @@ static struct gpio_i2cmux_platform_data myboard_i2cmux_data = {
};
static struct platform_device myboard_i2cmux = {
- .name = "i2c-gpio-mux",
+ .name = "i2c-mux-gpio",
.id = 0,
.dev = {
.platform_data = &myboard_i2cmux_data,
@@ -66,14 +66,14 @@ static struct platform_device myboard_i2cmux = {
If you don't know the absolute GPIO pin numbers at registration time,
you can instead provide a chip name (.chip_name) and relative GPIO pin
-numbers, and the i2c-gpio-mux driver will do the work for you,
+numbers, and the i2c-mux-gpio driver will do the work for you,
including deferred probing if the GPIO chip isn't immediately
available.
Device Registration
-------------------
-When registering your i2c-gpio-mux device, you should pass the number
+When registering your i2c-mux-gpio device, you should pass the number
of any GPIO pin it uses as the device ID. This guarantees that every
instance has a different ID.
diff --git a/Documentation/kselftest.txt b/Documentation/kselftest.txt
index e5c7254e73d7..5bd590335839 100644
--- a/Documentation/kselftest.txt
+++ b/Documentation/kselftest.txt
@@ -59,14 +59,14 @@ Install selftests
=================
You can use kselftest_install.sh tool installs selftests in default
-location which is tools/testing/selftests/kselftest or an user specified
+location which is tools/testing/selftests/kselftest or a user specified
location.
To install selftests in default location:
$ cd tools/testing/selftests
$ ./kselftest_install.sh
-To install selftests in an user specified location:
+To install selftests in a user specified location:
$ cd tools/testing/selftests
$ ./kselftest_install.sh install_dir
@@ -95,3 +95,15 @@ In general, the rules for selftests are
* Don't cause the top-level "make run_tests" to fail if your feature is
unconfigured.
+
+Contributing new tests(details)
+===============================
+
+ * Use TEST_GEN_XXX if such binaries or files are generated during
+ compiling.
+ TEST_PROGS, TEST_GEN_PROGS mean it is the excutable tested by
+ default.
+ TEST_PROGS_EXTENDED, TEST_GEN_PROGS_EXTENDED mean it is the
+ executable which is not tested by default.
+ TEST_FILES, TEST_GEN_FILES mean it is the file which is used by
+ test.
diff --git a/Documentation/md-cluster.txt b/Documentation/md/md-cluster.txt
index 38883276d31c..38883276d31c 100644
--- a/Documentation/md-cluster.txt
+++ b/Documentation/md/md-cluster.txt
diff --git a/Documentation/md/raid5-cache.txt b/Documentation/md/raid5-cache.txt
new file mode 100644
index 000000000000..2b210f295786
--- /dev/null
+++ b/Documentation/md/raid5-cache.txt
@@ -0,0 +1,109 @@
+RAID5 cache
+
+Raid 4/5/6 could include an extra disk for data cache besides normal RAID
+disks. The role of RAID disks isn't changed with the cache disk. The cache disk
+caches data to the RAID disks. The cache can be in write-through (supported
+since 4.4) or write-back mode (supported since 4.10). mdadm (supported since
+3.4) has a new option '--write-journal' to create array with cache. Please
+refer to mdadm manual for details. By default (RAID array starts), the cache is
+in write-through mode. A user can switch it to write-back mode by:
+
+echo "write-back" > /sys/block/md0/md/journal_mode
+
+And switch it back to write-through mode by:
+
+echo "write-through" > /sys/block/md0/md/journal_mode
+
+In both modes, all writes to the array will hit cache disk first. This means
+the cache disk must be fast and sustainable.
+
+-------------------------------------
+write-through mode:
+
+This mode mainly fixes the 'write hole' issue. For RAID 4/5/6 array, an unclean
+shutdown can cause data in some stripes to not be in consistent state, eg, data
+and parity don't match. The reason is that a stripe write involves several RAID
+disks and it's possible the writes don't hit all RAID disks yet before the
+unclean shutdown. We call an array degraded if it has inconsistent data. MD
+tries to resync the array to bring it back to normal state. But before the
+resync completes, any system crash will expose the chance of real data
+corruption in the RAID array. This problem is called 'write hole'.
+
+The write-through cache will cache all data on cache disk first. After the data
+is safe on the cache disk, the data will be flushed onto RAID disks. The
+two-step write will guarantee MD can recover correct data after unclean
+shutdown even the array is degraded. Thus the cache can close the 'write hole'.
+
+In write-through mode, MD reports IO completion to upper layer (usually
+filesystems) after the data is safe on RAID disks, so cache disk failure
+doesn't cause data loss. Of course cache disk failure means the array is
+exposed to 'write hole' again.
+
+In write-through mode, the cache disk isn't required to be big. Several
+hundreds megabytes are enough.
+
+--------------------------------------
+write-back mode:
+
+write-back mode fixes the 'write hole' issue too, since all write data is
+cached on cache disk. But the main goal of 'write-back' cache is to speed up
+write. If a write crosses all RAID disks of a stripe, we call it full-stripe
+write. For non-full-stripe writes, MD must read old data before the new parity
+can be calculated. These synchronous reads hurt write throughput. Some writes
+which are sequential but not dispatched in the same time will suffer from this
+overhead too. Write-back cache will aggregate the data and flush the data to
+RAID disks only after the data becomes a full stripe write. This will
+completely avoid the overhead, so it's very helpful for some workloads. A
+typical workload which does sequential write followed by fsync is an example.
+
+In write-back mode, MD reports IO completion to upper layer (usually
+filesystems) right after the data hits cache disk. The data is flushed to raid
+disks later after specific conditions met. So cache disk failure will cause
+data loss.
+
+In write-back mode, MD also caches data in memory. The memory cache includes
+the same data stored on cache disk, so a power loss doesn't cause data loss.
+The memory cache size has performance impact for the array. It's recommended
+the size is big. A user can configure the size by:
+
+echo "2048" > /sys/block/md0/md/stripe_cache_size
+
+Too small cache disk will make the write aggregation less efficient in this
+mode depending on the workloads. It's recommended to use a cache disk with at
+least several gigabytes size in write-back mode.
+
+--------------------------------------
+The implementation:
+
+The write-through and write-back cache use the same disk format. The cache disk
+is organized as a simple write log. The log consists of 'meta data' and 'data'
+pairs. The meta data describes the data. It also includes checksum and sequence
+ID for recovery identification. Data can be IO data and parity data. Data is
+checksumed too. The checksum is stored in the meta data ahead of the data. The
+checksum is an optimization because MD can write meta and data freely without
+worry about the order. MD superblock has a field pointed to the valid meta data
+of log head.
+
+The log implementation is pretty straightforward. The difficult part is the
+order in which MD writes data to cache disk and RAID disks. Specifically, in
+write-through mode, MD calculates parity for IO data, writes both IO data and
+parity to the log, writes the data and parity to RAID disks after the data and
+parity is settled down in log and finally the IO is finished. Read just reads
+from raid disks as usual.
+
+In write-back mode, MD writes IO data to the log and reports IO completion. The
+data is also fully cached in memory at that time, which means read must query
+memory cache. If some conditions are met, MD will flush the data to RAID disks.
+MD will calculate parity for the data and write parity into the log. After this
+is finished, MD will write both data and parity into RAID disks, then MD can
+release the memory cache. The flush conditions could be stripe becomes a full
+stripe write, free cache disk space is low or free in-kernel memory cache space
+is low.
+
+After an unclean shutdown, MD does recovery. MD reads all meta data and data
+from the log. The sequence ID and checksum will help us detect corrupted meta
+data and data. If MD finds a stripe with data and valid parities (1 parity for
+raid4/5 and 2 for raid6), MD will write the data and parities to RAID disks. If
+parities are incompleted, they are discarded. If part of data is corrupted,
+they are discarded too. MD then loads valid data and writes them to RAID disks
+in normal way.
diff --git a/Documentation/media/dvb-drivers/ci.rst b/Documentation/media/dvb-drivers/ci.rst
index 8124bf5ce5ef..69b07e9d1816 100644
--- a/Documentation/media/dvb-drivers/ci.rst
+++ b/Documentation/media/dvb-drivers/ci.rst
@@ -20,7 +20,7 @@ existing low level CI API.
ca_zap
~~~~~~
-An userspace application, like ``ca_zap`` is required to handle encrypted
+A userspace application, like ``ca_zap`` is required to handle encrypted
MPEG-TS streams.
The ``ca_zap`` userland application is in charge of sending the
diff --git a/Documentation/media/uapi/dvb/dvb-frontend-parameters.rst b/Documentation/media/uapi/dvb/dvb-frontend-parameters.rst
index bf31411fc9df..899fd5c3545e 100644
--- a/Documentation/media/uapi/dvb/dvb-frontend-parameters.rst
+++ b/Documentation/media/uapi/dvb/dvb-frontend-parameters.rst
@@ -9,7 +9,7 @@ frontend parameters
The kind of parameters passed to the frontend device for tuning depend
on the kind of hardware you are using.
-The struct ``dvb_frontend_parameters`` uses an union with specific
+The struct ``dvb_frontend_parameters`` uses a union with specific
per-system parameters. However, as newer delivery systems required more
data, the structure size weren't enough to fit, and just extending its
size would break the existing applications. So, those parameters were
@@ -23,7 +23,7 @@ So, newer applications should use
instead, in order to be able to support the newer System Delivery like
DVB-S2, DVB-T2, DVB-C2, ISDB, etc.
-All kinds of parameters are combined as an union in the
+All kinds of parameters are combined as a union in the
FrontendParameters structure:
diff --git a/Documentation/memory-hotplug.txt b/Documentation/memory-hotplug.txt
index 5de846d3ecc0..670f3ded0802 100644
--- a/Documentation/memory-hotplug.txt
+++ b/Documentation/memory-hotplug.txt
@@ -114,11 +114,11 @@ config options.
Memory model -> Sparse Memory (CONFIG_SPARSEMEM)
Allow for memory hot-add (CONFIG_MEMORY_HOTPLUG)
-- To enable memory removal, the followings are also necessary
+- To enable memory removal, the following are also necessary
Allow for memory hot remove (CONFIG_MEMORY_HOTREMOVE)
Page Migration (CONFIG_MIGRATION)
-- For ACPI memory hotplug, the followings are also necessary
+- For ACPI memory hotplug, the following are also necessary
Memory hotplug (under ACPI Support menu) (CONFIG_ACPI_HOTPLUG_MEMORY)
This option can be kernel module.
diff --git a/Documentation/networking/cdc_mbim.txt b/Documentation/networking/cdc_mbim.txt
index a15ea602aa52..b9482ca10254 100644
--- a/Documentation/networking/cdc_mbim.txt
+++ b/Documentation/networking/cdc_mbim.txt
@@ -38,7 +38,7 @@ Basic usage
===========
MBIM functions are inactive when unmanaged. The cdc_mbim driver only
-provides an userspace interface to the MBIM control channel, and will
+provides a userspace interface to the MBIM control channel, and will
not participate in the management of the function. This implies that a
userspace MBIM management application always is required to enable a
MBIM function.
@@ -200,7 +200,7 @@ structure described in section 10.5.29 of [1].
The DSS VLAN subdevices are used as a practical interface between the
shared MBIM data channel and a MBIM DSS aware userspace application.
It is not intended to be presented as-is to an end user. The
-assumption is that an userspace application initiating a DSS session
+assumption is that a userspace application initiating a DSS session
also takes care of the necessary framing of the DSS data, presenting
the stream to the end user in an appropriate way for the stream type.
diff --git a/Documentation/scsi/ChangeLog.megaraid_sas b/Documentation/scsi/ChangeLog.megaraid_sas
index 00ffdf187f0b..234ddabb23ef 100644
--- a/Documentation/scsi/ChangeLog.megaraid_sas
+++ b/Documentation/scsi/ChangeLog.megaraid_sas
@@ -549,7 +549,7 @@ ii. Reduced by 1 max cmds sent to FW from Driver to make the reply_q_sz same
3 Older Version : 00.00.03.02
i. Send stop adapter to FW & Dump pending FW cmds before declaring adapter dead.
- New varible added to set dbg level.
+ New variable added to set dbg level.
ii. Disable interrupt made as fn pointer as they are different for 1068 / 1078
iii. Frame count optimization. Main frame can contain 2 SGE for 64 bit SGLs and
3 SGE for 32 bit SGL
diff --git a/Documentation/sound/hd-audio/notes.rst b/Documentation/sound/hd-audio/notes.rst
index 168d0cfab1ce..9eeb9b468706 100644
--- a/Documentation/sound/hd-audio/notes.rst
+++ b/Documentation/sound/hd-audio/notes.rst
@@ -697,7 +697,7 @@ If it's a regression, at best, send alsa-info outputs of both working
and non-working kernels. This is really helpful because we can
compare the codec registers directly.
-Send a bug report either the followings:
+Send a bug report either the following:
kernel-bugzilla
https://bugzilla.kernel.org/
diff --git a/Documentation/sparc/console.txt b/Documentation/sparc/console.txt
new file mode 100644
index 000000000000..5aa735a44e02
--- /dev/null
+++ b/Documentation/sparc/console.txt
@@ -0,0 +1,9 @@
+Steps for sending 'break' on sunhv console:
+===========================================
+
+On Baremetal:
+ 1. press Esc + 'B'
+
+On LDOM:
+ 1. press Ctrl + ']'
+ 2. telnet> send break
diff --git a/Documentation/static-keys.txt b/Documentation/static-keys.txt
index ea8d7b4e53f0..32a25fad0c1b 100644
--- a/Documentation/static-keys.txt
+++ b/Documentation/static-keys.txt
@@ -155,7 +155,9 @@ or:
There are a few functions and macros that architectures must implement in order
to take advantage of this optimization. If there is no architecture support, we
-simply fall back to a traditional, load, test, and jump sequence.
+simply fall back to a traditional, load, test, and jump sequence. Also, the
+struct jump_entry table must be at least 4-byte aligned because the
+static_key->entry field makes use of the two least significant bits.
* select HAVE_ARCH_JUMP_LABEL, see: arch/x86/Kconfig
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index 95ccbe6d79ce..b4ad97f10b8e 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -376,8 +376,8 @@ max_map_count:
This file contains the maximum number of memory map areas a process
may have. Memory map areas are used as a side-effect of calling
-malloc, directly by mmap and mprotect, and also when loading shared
-libraries.
+malloc, directly by mmap, mprotect, and madvise, and also when loading
+shared libraries.
While most applications need less than a thousand maps, certain
programs, particularly malloc debuggers, may consume lots of them,
diff --git a/Documentation/vm/ksm.txt b/Documentation/vm/ksm.txt
index f34a8ee6f860..6b0ca7feb135 100644
--- a/Documentation/vm/ksm.txt
+++ b/Documentation/vm/ksm.txt
@@ -38,6 +38,10 @@ the range for whenever the KSM daemon is started; even if the range
cannot contain any pages which KSM could actually merge; even if
MADV_UNMERGEABLE is applied to a range which was never MADV_MERGEABLE.
+If a region of memory must be split into at least one new MADV_MERGEABLE
+or MADV_UNMERGEABLE region, the madvise may return ENOMEM if the process
+will exceed vm.max_map_count (see Documentation/sysctl/vm.txt).
+
Like other madvise calls, they are intended for use on mapped areas of
the user address space: they will report ENOMEM if the specified range
includes unmapped gaps (though working on the intervening mapped areas),
@@ -80,6 +84,20 @@ run - set 0 to stop ksmd from running but keep merged pages,
Default: 0 (must be changed to 1 to activate KSM,
except if CONFIG_SYSFS is disabled)
+use_zero_pages - specifies whether empty pages (i.e. allocated pages
+ that only contain zeroes) should be treated specially.
+ When set to 1, empty pages are merged with the kernel
+ zero page(s) instead of with each other as it would
+ happen normally. This can improve the performance on
+ architectures with coloured zero pages, depending on
+ the workload. Care should be taken when enabling this
+ setting, as it can potentially degrade the performance
+ of KSM for some workloads, for example if the checksums
+ of pages candidate for merging match the checksum of
+ an empty page. This setting can be changed at any time,
+ it is only effective for pages merged after the change.
+ Default: 0 (normal KSM behaviour as in earlier releases)
+
The effectiveness of KSM and MADV_MERGEABLE is shown in /sys/kernel/mm/ksm/:
pages_shared - how many shared pages are being used
diff --git a/Documentation/vm/userfaultfd.txt b/Documentation/vm/userfaultfd.txt
index 70a3c94d1941..0e5543a920e5 100644
--- a/Documentation/vm/userfaultfd.txt
+++ b/Documentation/vm/userfaultfd.txt
@@ -54,6 +54,26 @@ uffdio_api.features and uffdio_api.ioctls two 64bit bitmasks of
respectively all the available features of the read(2) protocol and
the generic ioctl available.
+The uffdio_api.features bitmask returned by the UFFDIO_API ioctl
+defines what memory types are supported by the userfaultfd and what
+events, except page fault notifications, may be generated.
+
+If the kernel supports registering userfaultfd ranges on hugetlbfs
+virtual memory areas, UFFD_FEATURE_MISSING_HUGETLBFS will be set in
+uffdio_api.features. Similarly, UFFD_FEATURE_MISSING_SHMEM will be
+set if the kernel supports registering userfaultfd ranges on shared
+memory (covering all shmem APIs, i.e. tmpfs, IPCSHM, /dev/zero
+MAP_SHARED, memfd_create, etc).
+
+The userland application that wants to use userfaultfd with hugetlbfs
+or shared memory need to set the corresponding flag in
+uffdio_api.features to enable those features.
+
+If the userland desires to receive notifications for events other than
+page faults, it has to verify that uffdio_api.features has appropriate
+UFFD_FEATURE_EVENT_* bits set. These events are described in more
+detail below in "Non-coopera