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-rw-r--r--.gitignore1
-rw-r--r--.mailmap1
-rw-r--r--CREDITS8
-rw-r--r--Documentation/ABI/removed/o2cb (renamed from Documentation/ABI/obsolete/o2cb)9
-rw-r--r--Documentation/ABI/testing/sysfs-block64
-rw-r--r--Documentation/ABI/testing/sysfs-kernel-mm-cleancache11
-rw-r--r--Documentation/ABI/testing/sysfs-ptp98
-rw-r--r--Documentation/DocBook/Makefile2
-rw-r--r--Documentation/IRQ-affinity.txt17
-rw-r--r--Documentation/blockdev/cciss.txt15
-rw-r--r--Documentation/cachetlb.txt2
-rw-r--r--Documentation/devicetree/bindings/net/fsl-tsec-phy.txt54
-rw-r--r--Documentation/feature-removal-schedule.txt10
-rw-r--r--Documentation/filesystems/9p.txt29
-rw-r--r--Documentation/filesystems/ext4.txt4
-rw-r--r--Documentation/filesystems/ocfs2.txt8
-rw-r--r--Documentation/filesystems/proc.txt11
-rw-r--r--Documentation/filesystems/ubifs.txt26
-rw-r--r--Documentation/filesystems/xfs.txt6
-rw-r--r--Documentation/hwmon/emc6w20142
-rw-r--r--Documentation/hwmon/f71882fg4
-rw-r--r--Documentation/hwmon/fam15h_power37
-rw-r--r--Documentation/hwmon/k10temp3
-rw-r--r--Documentation/hwmon/max665021
-rw-r--r--Documentation/i2c/busses/i2c-i8011
-rw-r--r--Documentation/i2c/writing-clients2
-rw-r--r--Documentation/input/elantech.txt123
-rw-r--r--Documentation/input/rotary-encoder.txt13
-rw-r--r--Documentation/ioctl/ioctl-number.txt1
-rw-r--r--Documentation/kbuild/kbuild.txt13
-rw-r--r--Documentation/kbuild/kconfig-language.txt32
-rw-r--r--Documentation/kbuild/kconfig.txt5
-rw-r--r--Documentation/kbuild/makefiles.txt53
-rw-r--r--Documentation/kernel-parameters.txt3
-rw-r--r--Documentation/lockstat.txt2
-rw-r--r--Documentation/mmc/00-INDEX2
-rw-r--r--Documentation/mmc/mmc-dev-attrs.txt10
-rw-r--r--Documentation/mmc/mmc-dev-parts.txt27
-rw-r--r--Documentation/networking/bonding.txt13
-rw-r--r--Documentation/ptp/ptp.txt89
-rw-r--r--Documentation/ptp/testptp.c381
-rw-r--r--Documentation/ptp/testptp.mk33
-rw-r--r--Documentation/virtual/uml/UserModeLinux-HOWTO.txt10
-rw-r--r--Documentation/vm/cleancache.txt278
-rw-r--r--Documentation/vm/locking2
-rw-r--r--MAINTAINERS65
-rw-r--r--Makefile67
-rw-r--r--arch/Kconfig3
-rw-r--r--arch/alpha/Kconfig4
-rw-r--r--arch/alpha/include/asm/gpio.h55
-rw-r--r--arch/alpha/include/asm/smp.h2
-rw-r--r--arch/alpha/kernel/process.c2
-rw-r--r--arch/alpha/kernel/setup.c2
-rw-r--r--arch/alpha/kernel/smp.c7
-rw-r--r--arch/alpha/kernel/sys_dp264.c2
-rw-r--r--arch/alpha/kernel/sys_titan.c13
-rw-r--r--arch/alpha/kernel/vmlinux.lds.S2
-rw-r--r--arch/alpha/mm/init.c2
-rw-r--r--arch/alpha/mm/numa.c1
-rw-r--r--arch/arm/Kconfig.debug7
-rw-r--r--arch/arm/configs/omap2plus_defconfig83
-rw-r--r--arch/arm/include/asm/smp.h6
-rw-r--r--arch/arm/include/asm/tlb.h53
-rw-r--r--arch/arm/kernel/vmlinux.lds.S2
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h78
-rw-r--r--arch/arm/mach-omap2/Kconfig1
-rw-r--r--arch/arm/mach-omap2/Makefile4
-rw-r--r--arch/arm/mach-omap2/board-2430sdp.c27
-rw-r--r--arch/arm/mach-omap2/board-3430sdp.c155
-rw-r--r--arch/arm/mach-omap2/board-4430sdp.c125
-rw-r--r--arch/arm/mach-omap2/board-am3517crane.c10
-rw-r--r--arch/arm/mach-omap2/board-am3517evm.c60
-rw-r--r--arch/arm/mach-omap2/board-apollon.c29
-rw-r--r--arch/arm/mach-omap2/board-cm-t35.c240
-rw-r--r--arch/arm/mach-omap2/board-cm-t3517.c9
-rw-r--r--arch/arm/mach-omap2/board-devkit8000.c135
-rw-r--r--arch/arm/mach-omap2/board-igep0020.c453
-rw-r--r--arch/arm/mach-omap2/board-igep0030.c458
-rw-r--r--arch/arm/mach-omap2/board-ldp.c138
-rw-r--r--arch/arm/mach-omap2/board-n8x0.c28
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c198
-rw-r--r--arch/arm/mach-omap2/board-omap3evm.c246
-rw-r--r--arch/arm/mach-omap2/board-omap3logic.c14
-rw-r--r--arch/arm/mach-omap2/board-omap3pandora.c92
-rw-r--r--arch/arm/mach-omap2/board-omap3stalker.c137
-rw-r--r--arch/arm/mach-omap2/board-omap3touchbook.c121
-rw-r--r--arch/arm/mach-omap2/board-omap4panda.c83
-rw-r--r--arch/arm/mach-omap2/board-overo.c269
-rw-r--r--arch/arm/mach-omap2/board-rm680.c21
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c44
-rw-r--r--arch/arm/mach-omap2/board-rx51-video.c7
-rw-r--r--arch/arm/mach-omap2/board-rx51.c18
-rw-r--r--arch/arm/mach-omap2/board-zoom-debugboard.c65
-rw-r--r--arch/arm/mach-omap2/board-zoom-display.c33
-rw-r--r--arch/arm/mach-omap2/board-zoom-peripherals.c29
-rw-r--r--arch/arm/mach-omap2/common-board-devices.c163
-rw-r--r--arch/arm/mach-omap2/common-board-devices.h35
-rw-r--r--arch/arm/mach-omap2/cpuidle34xx.c436
-rw-r--r--arch/arm/mach-omap2/display.c77
-rw-r--r--arch/arm/mach-omap2/gpmc-smc91x.c11
-rw-r--r--arch/arm/mach-omap2/gpmc-smsc911x.c44
-rw-r--r--arch/arm/mach-omap2/include/mach/board-zoom.h2
-rw-r--r--arch/arm/mach-omap2/omap_l3_noc.c51
-rw-r--r--arch/arm/mach-omap2/omap_l3_smx.c42
-rw-r--r--arch/arm/mach-omap2/omap_phy_internal.c9
-rw-r--r--arch/arm/mach-omap2/pm.h17
-rw-r--r--arch/arm/mach-omap2/pm34xx.c14
-rw-r--r--arch/arm/mach-omap2/pm44xx.c2
-rw-r--r--arch/arm/mach-omap2/smartreflex.c23
-rw-r--r--arch/arm/mach-omap2/usb-musb.c22
-rw-r--r--arch/arm/mach-omap2/usb-tusb6010.c3
-rw-r--r--arch/arm/mach-omap2/voltage.c1
-rw-r--r--arch/arm/mach-shmobile/Makefile5
-rw-r--r--arch/arm/mach-shmobile/board-ag5evm.c118
-rw-r--r--arch/arm/mach-shmobile/board-ap4evb.c30
-rw-r--r--arch/arm/mach-shmobile/board-g4evm.c2
-rw-r--r--arch/arm/mach-shmobile/board-mackerel.c272
-rw-r--r--arch/arm/mach-shmobile/clock-sh7372.c21
-rw-r--r--arch/arm/mach-shmobile/clock-sh73a0.c19
-rw-r--r--arch/arm/mach-shmobile/cpuidle.c92
-rw-r--r--arch/arm/mach-shmobile/headsmp.S2
-rw-r--r--arch/arm/mach-shmobile/include/mach/common.h7
-rw-r--r--arch/arm/mach-shmobile/include/mach/head-ap4evb.txt3
-rw-r--r--arch/arm/mach-shmobile/include/mach/head-mackerel.txt3
-rw-r--r--arch/arm/mach-shmobile/include/mach/sh7372.h1
-rw-r--r--arch/arm/mach-shmobile/include/mach/sh73a0.h30
-rw-r--r--arch/arm/mach-shmobile/intc-sh7372.c46
-rw-r--r--arch/arm/mach-shmobile/pm-sh7372.c108
-rw-r--r--arch/arm/mach-shmobile/setup-sh7367.c223
-rw-r--r--arch/arm/mach-shmobile/setup-sh7372.c217
-rw-r--r--arch/arm/mach-shmobile/setup-sh7377.c239
-rw-r--r--arch/arm/mach-shmobile/setup-sh73a0.c244
-rw-r--r--arch/arm/mach-shmobile/sleep-sh7372.S260
-rw-r--r--arch/arm/mach-shmobile/smp-sh73a0.c9
-rw-r--r--arch/arm/mach-shmobile/suspend.c47
-rw-r--r--arch/arm/mach-tegra/include/mach/kbc.h4
-rw-r--r--arch/arm/mach-tegra/include/mach/sdhci.h1
-rw-r--r--arch/arm/mach-ux500/Kconfig3
-rw-r--r--arch/arm/mach-ux500/Makefile4
-rw-r--r--arch/arm/mach-ux500/board-mop500.c14
-rw-r--r--arch/arm/mach-ux500/cpu-db5500.c2
-rw-r--r--arch/arm/mach-ux500/cpu-db8500.c7
-rw-r--r--arch/arm/mach-ux500/cpu.c7
-rw-r--r--arch/arm/mach-ux500/cpufreq.c211
-rw-r--r--arch/arm/mach-ux500/include/mach/db5500-regs.h20
-rw-r--r--arch/arm/mach-ux500/include/mach/db8500-regs.h37
-rw-r--r--arch/arm/mach-ux500/include/mach/hardware.h1
-rw-r--r--arch/arm/mach-ux500/include/mach/id.h20
-rw-r--r--arch/arm/mach-ux500/include/mach/irqs-board-mop500.h5
-rw-r--r--arch/arm/mach-ux500/include/mach/irqs-board-u5500.h21
-rw-r--r--arch/arm/mach-ux500/include/mach/irqs-db5500.h27
-rw-r--r--arch/arm/mach-ux500/include/mach/irqs-db8500.h54
-rw-r--r--arch/arm/mach-ux500/include/mach/irqs.h46
-rw-r--r--arch/arm/mach-ux500/include/mach/prcmu-defs.h30
-rw-r--r--arch/arm/mach-ux500/include/mach/prcmu.h28
-rw-r--r--arch/arm/mach-ux500/prcmu.c394
-rw-r--r--arch/arm/mm/init.c2
-rw-r--r--arch/arm/mm/mmu.c2
-rw-r--r--arch/arm/plat-nomadik/include/plat/i2c.h8
-rw-r--r--arch/arm/plat-omap/include/plat/gpmc-smsc911x.h4
-rw-r--r--arch/arm/plat-omap/include/plat/uncompress.h1
-rw-r--r--arch/arm/plat-omap/include/plat/usb.h2
-rw-r--r--arch/avr32/mm/init.c2
-rw-r--r--arch/blackfin/Kconfig2
-rw-r--r--arch/blackfin/Kconfig.debug11
-rw-r--r--arch/blackfin/configs/BF527-EZKIT-V2_defconfig12
-rw-r--r--arch/blackfin/configs/BF527-EZKIT_defconfig14
-rw-r--r--arch/blackfin/configs/BF533-STAMP_defconfig2
-rw-r--r--arch/blackfin/configs/BF537-STAMP_defconfig2
-rw-r--r--arch/blackfin/include/asm/bfin-global.h10
-rw-r--r--arch/blackfin/include/asm/bfin_pfmon.h44
-rw-r--r--arch/blackfin/include/asm/bfin_sport.h4
-rw-r--r--arch/blackfin/include/asm/cacheflush.h23
-rw-r--r--arch/blackfin/include/asm/cpu.h3
-rw-r--r--arch/blackfin/include/asm/def_LPBlackfin.h12
-rw-r--r--arch/blackfin/include/asm/irq_handler.h25
-rw-r--r--arch/blackfin/include/asm/kgdb.h6
-rw-r--r--arch/blackfin/include/asm/perf_event.h1
-rw-r--r--arch/blackfin/include/asm/ptrace.h2
-rw-r--r--arch/blackfin/include/mach-common/irq.h57
-rw-r--r--arch/blackfin/kernel/Makefile3
-rw-r--r--arch/blackfin/kernel/bfin_dma_5xx.c5
-rw-r--r--arch/blackfin/kernel/bfin_gpio.c34
-rw-r--r--arch/blackfin/kernel/bfin_ksyms.c1
-rw-r--r--arch/blackfin/kernel/debug-mmrs.c1860
-rw-r--r--arch/blackfin/kernel/ipipe.c1
-rw-r--r--arch/blackfin/kernel/irqchip.c1
-rw-r--r--arch/blackfin/kernel/nmi.c8
-rw-r--r--arch/blackfin/kernel/perf_event.c498
-rw-r--r--arch/blackfin/kernel/process.c6
-rw-r--r--arch/blackfin/kernel/reboot.c65
-rw-r--r--arch/blackfin/kernel/setup.c54
-rw-r--r--arch/blackfin/kernel/vmlinux.lds.S10
-rw-r--r--arch/blackfin/mach-bf518/include/mach/anomaly.h4
-rw-r--r--arch/blackfin/mach-bf518/include/mach/cdefBF512.h16
-rw-r--r--arch/blackfin/mach-bf518/include/mach/defBF512.h8
-rw-r--r--arch/blackfin/mach-bf518/include/mach/irq.h262
-rw-r--r--arch/blackfin/mach-bf527/boards/ezkit.c74
-rw-r--r--arch/blackfin/mach-bf527/include/mach/anomaly.h8
-rw-r--r--arch/blackfin/mach-bf527/include/mach/cdefBF522.h16
-rw-r--r--arch/blackfin/mach-bf527/include/mach/defBF522.h8
-rw-r--r--arch/blackfin/mach-bf527/include/mach/irq.h266
-rw-r--r--arch/blackfin/mach-bf533/include/mach/anomaly.h11
-rw-r--r--arch/blackfin/mach-bf533/include/mach/irq.h168
-rw-r--r--arch/blackfin/mach-bf537/boards/stamp.c106
-rw-r--r--arch/blackfin/mach-bf537/include/mach/anomaly.h10
-rw-r--r--arch/blackfin/mach-bf537/include/mach/irq.h365
-rw-r--r--arch/blackfin/mach-bf537/ints-priority.c163
-rw-r--r--arch/blackfin/mach-bf538/include/mach/anomaly.h9
-rw-r--r--arch/blackfin/mach-bf538/include/mach/irq.h89
-rw-r--r--arch/blackfin/mach-bf548/boards/ezkit.c116
-rw-r--r--arch/blackfin/mach-bf548/include/mach/anomaly.h8
-rw-r--r--arch/blackfin/mach-bf548/include/mach/irq.h89
-rw-r--r--arch/blackfin/mach-bf561/boards/ezkit.c10
-rw-r--r--arch/blackfin/mach-bf561/include/mach/anomaly.h15
-rw-r--r--arch/blackfin/mach-bf561/include/mach/irq.h505
-rw-r--r--arch/blackfin/mach-bf561/smp.c17
-rw-r--r--arch/blackfin/mach-common/dpmc.c7
-rw-r--r--arch/blackfin/mach-common/ints-priority.c476
-rw-r--r--arch/blackfin/mach-common/smp.c28
-rw-r--r--arch/blackfin/mm/sram-alloc.c43
-rw-r--r--arch/cris/arch-v32/kernel/irq.c4
-rw-r--r--arch/cris/arch-v32/kernel/smp.c33
-rw-r--r--arch/cris/kernel/vmlinux.lds.S2
-rw-r--r--arch/cris/mm/init.c2
-rw-r--r--arch/frv/kernel/vmlinux.lds.S2
-rw-r--r--arch/frv/mm/init.c2
-rw-r--r--arch/ia64/include/asm/tlb.h66
-rw-r--r--arch/ia64/mm/contig.c10
-rw-r--r--arch/ia64/mm/discontig.c10
-rw-r--r--arch/ia64/mm/init.c2
-rw-r--r--arch/m32r/Kconfig.debug9
-rw-r--r--arch/m32r/include/asm/smp.h2
-rw-r--r--arch/m32r/kernel/vmlinux.lds.S2
-rw-r--r--arch/m32r/mm/discontig.c1
-rw-r--r--arch/m32r/mm/init.c2
-rw-r--r--arch/m68k/Kconfig1
-rw-r--r--arch/m68k/include/asm/bitops_no.h18
-rw-r--r--arch/m68k/include/asm/io_no.h8
-rw-r--r--arch/m68k/kernel/asm-offsets.c106
-rw-r--r--arch/m68k/kernel/asm-offsets_mm.c100
-rw-r--r--arch/m68k/kernel/asm-offsets_no.c76
-rw-r--r--arch/m68k/kernel/entry_no.S1
-rw-r--r--arch/m68k/kernel/irq.c28
-rw-r--r--arch/m68k/kernel/m68k_ksyms.c36
-rw-r--r--arch/m68k/kernel/m68k_ksyms_mm.c16
-rw-r--r--arch/m68k/kernel/m68k_ksyms_no.c78
-rw-r--r--arch/m68k/kernel/process_no.c2
-rw-r--r--arch/m68k/kernel/sys_m68k.c581
-rw-r--r--arch/m68k/kernel/sys_m68k_mm.c546
-rw-r--r--arch/m68k/kernel/sys_m68k_no.c94
-rw-r--r--arch/m68k/kernel/syscalltable.S1
-rw-r--r--arch/m68k/lib/Makefile13
-rw-r--r--arch/m68k/lib/Makefile_mm6
-rw-r--r--arch/m68k/lib/Makefile_no7
-rw-r--r--arch/m68k/lib/checksum.c5
-rw-r--r--arch/m68k/lib/checksum_no.c3
-rw-r--r--arch/m68k/lib/memcpy.c128
-rw-r--r--arch/m68k/lib/memmove.c2
-rw-r--r--arch/m68k/lib/memset.c114
-rw-r--r--arch/m68k/lib/muldi3.c99
-rw-r--r--arch/m68k/lib/muldi3_mm.c63
-rw-r--r--arch/m68k/lib/muldi3_no.c86
-rw-r--r--arch/m68k/lib/string.c223
-rw-r--r--arch/m68k/mm/Makefile14
-rw-r--r--arch/m68k/mm/Makefile_mm8
-rw-r--r--arch/m68k/mm/Makefile_no5
-rw-r--r--arch/m68k/mm/init_mm.c2
-rw-r--r--arch/m68k/mm/init_no.c51
-rw-r--r--arch/m68k/mm/kmap.c368
-rw-r--r--arch/m68k/mm/kmap_mm.c367
-rw-r--r--arch/m68k/mm/kmap_no.c45
-rw-r--r--arch/m68k/platform/68328/entry.S7
-rw-r--r--arch/m68k/platform/68360/entry.S7
-rw-r--r--arch/m68k/platform/coldfire/dma.c3
-rw-r--r--arch/m68k/platform/coldfire/entry.S11
-rw-r--r--arch/m68k/platform/coldfire/head.S1
-rw-r--r--arch/microblaze/mm/init.c2
-rw-r--r--arch/mips/Kconfig.debug9
-rw-r--r--arch/mips/kernel/vmlinux.lds.S2
-rw-r--r--arch/mips/mm/init.c2
-rw-r--r--arch/mn10300/kernel/irq.c16
-rw-r--r--arch/mn10300/kernel/smp.c75
-rw-r--r--arch/mn10300/kernel/vmlinux.lds.S2
-rw-r--r--arch/mn10300/mm/cache-smp.c8
-rw-r--r--arch/mn10300/mm/init.c2
-rw-r--r--arch/mn10300/mm/tlb-smp.c32
-rw-r--r--arch/parisc/include/asm/smp.h9
-rw-r--r--arch/parisc/kernel/vmlinux.lds.S2
-rw-r--r--arch/parisc/mm/init.c4
-rw-r--r--arch/powerpc/Kconfig2
-rw-r--r--arch/powerpc/Kconfig.debug21
-rw-r--r--arch/powerpc/boot/dts/canyonlands.dts18
-rw-r--r--arch/powerpc/boot/dts/katmai.dts18
-rw-r--r--arch/powerpc/boot/dts/kilauea.dts28
-rw-r--r--arch/powerpc/boot/dts/mpc8313erdb.dts13
-rw-r--r--arch/powerpc/boot/dts/mpc8572ds.dts13
-rw-r--r--arch/powerpc/boot/dts/p2020ds.dts13
-rw-r--r--arch/powerpc/boot/dts/p2020rdb.dts13
-rw-r--r--arch/powerpc/boot/dts/redwood.dts20
-rw-r--r--arch/powerpc/include/asm/ftrace.h14
-rw-r--r--arch/powerpc/include/asm/hvcall.h2
-rw-r--r--arch/powerpc/include/asm/pgalloc.h21
-rw-r--r--arch/powerpc/include/asm/smp.h2
-rw-r--r--arch/powerpc/include/asm/syscall.h5
-rw-r--r--arch/powerpc/include/asm/thread_info.h9
-rw-r--r--arch/powerpc/kernel/Makefile1
-rw-r--r--arch/powerpc/kernel/ftrace.c8
-rw-r--r--arch/powerpc/kernel/irq.c46
-rw-r--r--arch/powerpc/kernel/process.c23
-rw-r--r--arch/powerpc/kernel/ptrace.c10
-rw-r--r--arch/powerpc/kernel/smp.c2
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S2
-rw-r--r--arch/powerpc/mm/pgtable.c104
-rw-r--r--arch/powerpc/mm/tlb_hash32.c3
-rw-r--r--arch/powerpc/mm/tlb_hash64.c5
-rw-r--r--arch/powerpc/mm/tlb_nohash.c3
-rw-r--r--arch/powerpc/oprofile/op_model_power4.c24
-rw-r--r--arch/powerpc/platforms/40x/Kconfig2
-rw-r--r--arch/powerpc/platforms/44x/Kconfig6
-rw-r--r--arch/powerpc/platforms/cell/interrupt.c55
-rw-r--r--arch/powerpc/platforms/cell/interrupt.h2
-rw-r--r--arch/powerpc/platforms/cell/smp.c2
-rw-r--r--arch/powerpc/sysdev/Kconfig7
-rw-r--r--arch/powerpc/sysdev/Makefile1
-rw-r--r--arch/powerpc/sysdev/ppc4xx_msi.c276
-rw-r--r--arch/s390/Kconfig11
-rw-r--r--arch/s390/appldata/appldata_base.c2
-rw-r--r--arch/s390/include/asm/cmpxchg.h1
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-rw-r--r--include/video/omap-panel-generic-dpi.h (renamed from arch/arm/plat-omap/include/plat/panel-generic-dpi.h)8
-rw-r--r--include/video/omap-panel-nokia-dsi.h (renamed from arch/arm/plat-omap/include/plat/nokia-dsi-panel.h)14
-rw-r--r--include/video/omapdss.h (renamed from arch/arm/plat-omap/include/plat/display.h)114
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-rw-r--r--lib/vsprintf.c2
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-rw-r--r--mm/Makefile1
-rw-r--r--mm/backing-dev.c4
-rw-r--r--mm/cleancache.c244
-rw-r--r--mm/filemap.c82
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-rw-r--r--mm/memory-failure.c21
-rw-r--r--mm/memory.c442
-rw-r--r--mm/memory_hotplug.c21
-rw-r--r--mm/mempolicy.c164
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-rw-r--r--mm/mmap.c129
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-rw-r--r--mm/page_alloc.c121
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-rw-r--r--mm/readahead.c2
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-rw-r--r--mm/shmem.c320
-rw-r--r--mm/slub.c4
-rw-r--r--mm/swap.c52
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-rw-r--r--mm/truncate.c6
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-rw-r--r--mm/vmalloc.c15
-rw-r--r--mm/vmscan.c80
-rw-r--r--mm/vmstat.c264
-rw-r--r--net/802/psnap.c1
-rw-r--r--net/8021q/vlan.h5
-rw-r--r--net/9p/Kconfig8
-rw-r--r--net/9p/client.c30
-rw-r--r--net/9p/mod.c4
-rw-r--r--net/9p/trans_fd.c7
-rw-r--r--net/9p/trans_rdma.c3
-rw-r--r--net/9p/util.c2
-rw-r--r--net/atm/proc.c4
-rw-r--r--net/bridge/br_netfilter.c6
-rw-r--r--net/can/bcm.c6
-rw-r--r--net/ceph/messenger.c82
-rw-r--r--net/ceph/osd_client.c19
-rw-r--r--net/ceph/osdmap.c13
-rw-r--r--net/core/dev.c12
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-rw-r--r--net/core/fib_rules.c1
-rw-r--r--net/core/filter.c4
-rw-r--r--net/core/net_namespace.c65
-rw-r--r--net/core/rtnetlink.c14
-rw-r--r--net/dns_resolver/dns_key.c10
-rw-r--r--net/ipv4/igmp.c10
-rw-r--r--net/ipv4/ping.c3
-rw-r--r--net/ipv4/raw.c2
-rw-r--r--net/ipv4/tcp_ipv4.c6
-rw-r--r--net/ipv4/udp.c2
-rw-r--r--net/ipv6/raw.c2
-rw-r--r--net/ipv6/tcp_ipv6.c6
-rw-r--r--net/ipv6/udp.c2
-rw-r--r--net/ipv6/xfrm6_tunnel.c2
-rw-r--r--net/key/af_key.c2
-rw-r--r--net/mac80211/iface.c4
-rw-r--r--net/mac80211/main.c22
-rw-r--r--net/mac80211/mesh.h7
-rw-r--r--net/mac80211/mesh_pathtbl.c204
-rw-r--r--net/mac80211/scan.c5
-rw-r--r--net/netlink/af_netlink.c2
-rw-r--r--net/packet/af_packet.c2
-rw-r--r--net/phonet/socket.c2
-rw-r--r--net/rds/ib.c2
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-rw-r--r--net/rds/iw.c2
-rw-r--r--net/rds/iw_cm.c2
-rw-r--r--net/rds/rdma_transport.c3
-rw-r--r--net/rfkill/Kconfig9
-rw-r--r--net/rfkill/Makefile1
-rw-r--r--net/rfkill/rfkill-gpio.c227
-rw-r--r--net/sched/sch_sfq.c22
-rw-r--r--net/sctp/associola.c16
-rw-r--r--net/sctp/proc.c4
-rw-r--r--net/sunrpc/auth.c4
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c3
-rw-r--r--net/sunrpc/xprtrdma/verbs.c2
-rw-r--r--net/unix/af_unix.c2
-rw-r--r--net/wireless/core.h5
-rw-r--r--net/wireless/nl80211.c12
-rw-r--r--net/wireless/sme.c19
-rw-r--r--net/wireless/util.c2
-rw-r--r--scripts/.gitignore1
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-rwxr-xr-xscripts/checkpatch.pl13
-rwxr-xr-xscripts/checkversion.pl1
-rw-r--r--scripts/docproc.c (renamed from scripts/basic/docproc.c)0
-rw-r--r--scripts/export_report.pl26
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-rw-r--r--scripts/kconfig/qconf.cc5
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-rwxr-xr-xscripts/mkcompile_h30
-rw-r--r--scripts/package/Makefile4
-rwxr-xr-xscripts/package/mkspec19
-rwxr-xr-xscripts/patch-kernel2
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-rw-r--r--security/commoncap.c13
-rw-r--r--security/keys/internal.h4
-rw-r--r--security/keys/keyctl.c6
-rw-r--r--security/keys/keyring.c37
-rw-r--r--security/keys/proc.c2
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-rw-r--r--security/keys/request_key.c3
-rw-r--r--security/keys/request_key_auth.c3
-rw-r--r--security/keys/user_defined.c4
-rw-r--r--security/lsm_audit.c59
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-rw-r--r--security/selinux/hooks.c92
-rw-r--r--security/selinux/include/security.h9
-rw-r--r--security/selinux/netnode.c1
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-rw-r--r--security/selinux/ss/policydb.c244
-rw-r--r--security/selinux/ss/policydb.h12
-rw-r--r--security/selinux/ss/services.c72
-rw-r--r--security/smack/smack.h11
-rw-r--r--security/smack/smack_lsm.c48
-rw-r--r--security/tomoyo/common.c17
-rw-r--r--security/tomoyo/file.c1
-rw-r--r--security/tomoyo/memory.c1
-rw-r--r--security/tomoyo/mount.c1
-rw-r--r--security/tomoyo/util.c2
-rw-r--r--sound/pcmcia/pdaudiocf/pdaudiocf.c2
-rw-r--r--sound/pcmcia/vx/vxpocket.c2
-rw-r--r--sound/soc/codecs/cq93vc.c3
-rw-r--r--sound/soc/codecs/twl4030.c6
-rw-r--r--sound/soc/codecs/wl1273.c3
-rw-r--r--sound/soc/codecs/wm8400.c2
-rw-r--r--sound/soc/davinci/davinci-vcif.c2
-rw-r--r--sound/soc/omap/Kconfig8
-rw-r--r--sound/soc/omap/Makefile1
-rw-r--r--sound/soc/omap/omap2evm.c139
-rw-r--r--usr/gen_init_cpio.c53
1670 files changed, 79666 insertions, 28155 deletions
diff --git a/.gitignore b/.gitignore
index 5d56a3fd0de6..9dacde0a4b2d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,6 +57,7 @@ modules.builtin
include/config
include/linux/version.h
include/generated
+arch/*/include/generated
# stgit generated dirs
patches-*
diff --git a/.mailmap b/.mailmap
index 5a6dd592eedc..353ad5607156 100644
--- a/.mailmap
+++ b/.mailmap
@@ -32,6 +32,7 @@ Brian Avery <b.avery@hp.com>
Brian King <brking@us.ibm.com>
Christoph Hellwig <hch@lst.de>
Corey Minyard <minyard@acm.org>
+Damian Hobson-Garcia <dhobsong@igel.co.jp>
David Brownell <david-b@pacbell.net>
David Woodhouse <dwmw2@shinybook.infradead.org>
Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
diff --git a/CREDITS b/CREDITS
index 95c469c610bc..a7ea8e343836 100644
--- a/CREDITS
+++ b/CREDITS
@@ -2943,6 +2943,10 @@ S: Kasarmikatu 11 A4
S: 70110 Kuopio
S: Finland
+N: Tobias Ringström
+E: tori@unhappy.mine.nu
+D: Davicom DM9102(A)/DM9132/DM9801 fast ethernet driver
+
N: Luca Risolia
E: luca.risolia@studio.unibo.it
P: 1024D/FCE635A4 88E8 F32F 7244 68BA 3958 5D40 99DA 5D2A FCE6 35A4
@@ -3913,6 +3917,10 @@ S: Flandernstrasse 101
S: D-73732 Esslingen
S: Germany
+N: Roman Zippel
+E: zippel@linux-m68k.org
+D: AFFS and HFS filesystems, m68k maintainer, new kernel configuration in 2.5
+
N: Leonard N. Zubkoff
W: http://www.dandelion.com/Linux/
D: BusLogic SCSI driver
diff --git a/Documentation/ABI/obsolete/o2cb b/Documentation/ABI/removed/o2cb
index 9c49d8e6c0cc..7f5daa465093 100644
--- a/Documentation/ABI/obsolete/o2cb
+++ b/Documentation/ABI/removed/o2cb
@@ -1,11 +1,10 @@
What: /sys/o2cb symlink
-Date: Dec 2005
-KernelVersion: 2.6.16
+Date: May 2011
+KernelVersion: 2.6.40
Contact: ocfs2-devel@oss.oracle.com
-Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink will
- be removed when new versions of ocfs2-tools which know to look
+Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink is
+ removed when new versions of ocfs2-tools which know to look
in /sys/fs/o2cb are sufficiently prevalent. Don't code new
software to look here, it should try /sys/fs/o2cb instead.
- See Documentation/ABI/stable/o2cb for more information on usage.
Users: ocfs2-tools. It's sufficient to mail proposed changes to
ocfs2-devel@oss.oracle.com.
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block
index 4873c759d535..c1eb41cb9876 100644
--- a/Documentation/ABI/testing/sysfs-block
+++ b/Documentation/ABI/testing/sysfs-block
@@ -142,3 +142,67 @@ Description:
with the previous I/O request are enabled. When set to 2,
all merge tries are disabled. The default value is 0 -
which enables all types of merge tries.
+
+What: /sys/block/<disk>/discard_alignment
+Date: May 2011
+Contact: Martin K. Petersen <martin.petersen@oracle.com>
+Description:
+ Devices that support discard functionality may
+ internally allocate space in units that are bigger than
+ the exported logical block size. The discard_alignment
+ parameter indicates how many bytes the beginning of the
+ device is offset from the internal allocation unit's
+ natural alignment.
+
+What: /sys/block/<disk>/<partition>/discard_alignment
+Date: May 2011
+Contact: Martin K. Petersen <martin.petersen@oracle.com>
+Description:
+ Devices that support discard functionality may
+ internally allocate space in units that are bigger than
+ the exported logical block size. The discard_alignment
+ parameter indicates how many bytes the beginning of the
+ partition is offset from the internal allocation unit's
+ natural alignment.
+
+What: /sys/block/<disk>/queue/discard_granularity
+Date: May 2011
+Contact: Martin K. Petersen <martin.petersen@oracle.com>
+Description:
+ Devices that support discard functionality may
+ internally allocate space using units that are bigger
+ than the logical block size. The discard_granularity
+ parameter indicates the size of the internal allocation
+ unit in bytes if reported by the device. Otherwise the
+ discard_granularity will be set to match the device's
+ physical block size. A discard_granularity of 0 means
+ that the device does not support discard functionality.
+
+What: /sys/block/<disk>/queue/discard_max_bytes
+Date: May 2011
+Contact: Martin K. Petersen <martin.petersen@oracle.com>
+Description:
+ Devices that support discard functionality may have
+ internal limits on the number of bytes that can be
+ trimmed or unmapped in a single operation. Some storage
+ protocols also have inherent limits on the number of
+ blocks that can be described in a single command. The
+ discard_max_bytes parameter is set by the device driver
+ to the maximum number of bytes that can be discarded in
+ a single operation. Discard requests issued to the
+ device must not exceed this limit. A discard_max_bytes
+ value of 0 means that the device does not support
+ discard functionality.
+
+What: /sys/block/<disk>/queue/discard_zeroes_data
+Date: May 2011
+Contact: Martin K. Petersen <martin.petersen@oracle.com>
+Description:
+ Devices that support discard functionality may return
+ stale or random data when a previously discarded block
+ is read back. This can cause problems if the filesystem
+ expects discarded blocks to be explicitly cleared. If a
+ device reports that it deterministically returns zeroes
+ when a discarded area is read the discard_zeroes_data
+ parameter will be set to one. Otherwise it will be 0 and
+ the result of reading a discarded area is undefined.
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-cleancache b/Documentation/ABI/testing/sysfs-kernel-mm-cleancache
new file mode 100644
index 000000000000..662ae646ea12
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-cleancache
@@ -0,0 +1,11 @@
+What: /sys/kernel/mm/cleancache/
+Date: April 2011
+Contact: Dan Magenheimer <dan.magenheimer@oracle.com>
+Description:
+ /sys/kernel/mm/cleancache/ contains a number of files which
+ record a count of various cleancache operations
+ (sum across all filesystems):
+ succ_gets
+ failed_gets
+ puts
+ flushes
diff --git a/Documentation/ABI/testing/sysfs-ptp b/Documentation/ABI/testing/sysfs-ptp
new file mode 100644
index 000000000000..d40d2b550502
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-ptp
@@ -0,0 +1,98 @@
+What: /sys/class/ptp/
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This directory contains files and directories
+ providing a standardized interface to the ancillary
+ features of PTP hardware clocks.
+
+What: /sys/class/ptp/ptpN/
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This directory contains the attributes of the Nth PTP
+ hardware clock registered into the PTP class driver
+ subsystem.
+
+What: /sys/class/ptp/ptpN/clock_name
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This file contains the name of the PTP hardware clock
+ as a human readable string.
+
+What: /sys/class/ptp/ptpN/max_adjustment
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This file contains the PTP hardware clock's maximum
+ frequency adjustment value (a positive integer) in
+ parts per billion.
+
+What: /sys/class/ptp/ptpN/n_alarms
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This file contains the number of periodic or one shot
+ alarms offer by the PTP hardware clock.
+
+What: /sys/class/ptp/ptpN/n_external_timestamps
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This file contains the number of external timestamp
+ channels offered by the PTP hardware clock.
+
+What: /sys/class/ptp/ptpN/n_periodic_outputs
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This file contains the number of programmable periodic
+ output channels offered by the PTP hardware clock.
+
+What: /sys/class/ptp/ptpN/pps_avaiable
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This file indicates whether the PTP hardware clock
+ supports a Pulse Per Second to the host CPU. Reading
+ "1" means that the PPS is supported, while "0" means
+ not supported.
+
+What: /sys/class/ptp/ptpN/extts_enable
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This write-only file enables or disables external
+ timestamps. To enable external timestamps, write the
+ channel index followed by a "1" into the file.
+ To disable external timestamps, write the channel
+ index followed by a "0" into the file.
+
+What: /sys/class/ptp/ptpN/fifo
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This file provides timestamps on external events, in
+ the form of three integers: channel index, seconds,
+ and nanoseconds.
+
+What: /sys/class/ptp/ptpN/period
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This write-only file enables or disables periodic
+ outputs. To enable a periodic output, write five
+ integers into the file: channel index, start time
+ seconds, start time nanoseconds, period seconds, and
+ period nanoseconds. To disable a periodic output, set
+ all the seconds and nanoseconds values to zero.
+
+What: /sys/class/ptp/ptpN/pps_enable
+Date: September 2010
+Contact: Richard Cochran <richardcochran@gmail.com>
+Description:
+ This write-only file enables or disables delivery of
+ PPS events to the Linux PPS subsystem. To enable PPS
+ events, write a "1" into the file. To disable events,
+ write a "0" into the file.
diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile
index 8436b018c289..3cebfa0d1611 100644
--- a/Documentation/DocBook/Makefile
+++ b/Documentation/DocBook/Makefile
@@ -73,7 +73,7 @@ installmandocs: mandocs
###
#External programs used
KERNELDOC = $(srctree)/scripts/kernel-doc
-DOCPROC = $(objtree)/scripts/basic/docproc
+DOCPROC = $(objtree)/scripts/docproc
XMLTOFLAGS = -m $(srctree)/Documentation/DocBook/stylesheet.xsl
XMLTOFLAGS += --skip-validation
diff --git a/Documentation/IRQ-affinity.txt b/Documentation/IRQ-affinity.txt
index b4a615b78403..7890fae18529 100644
--- a/Documentation/IRQ-affinity.txt
+++ b/Documentation/IRQ-affinity.txt
@@ -4,10 +4,11 @@ ChangeLog:
SMP IRQ affinity
-/proc/irq/IRQ#/smp_affinity specifies which target CPUs are permitted
-for a given IRQ source. It's a bitmask of allowed CPUs. It's not allowed
-to turn off all CPUs, and if an IRQ controller does not support IRQ
-affinity then the value will not change from the default 0xffffffff.
+/proc/irq/IRQ#/smp_affinity and /proc/irq/IRQ#/smp_affinity_list specify
+which target CPUs are permitted for a given IRQ source. It's a bitmask
+(smp_affinity) or cpu list (smp_affinity_list) of allowed CPUs. It's not
+allowed to turn off all CPUs, and if an IRQ controller does not support
+IRQ affinity then the value will not change from the default of all cpus.
/proc/irq/default_smp_affinity specifies default affinity mask that applies
to all non-active IRQs. Once IRQ is allocated/activated its affinity bitmask
@@ -54,3 +55,11 @@ round-trip min/avg/max = 0.1/0.5/585.4 ms
This time around IRQ44 was delivered only to the last four processors.
i.e counters for the CPU0-3 did not change.
+Here is an example of limiting that same irq (44) to cpus 1024 to 1031:
+
+[root@moon 44]# echo 1024-1031 > smp_affinity
+[root@moon 44]# cat smp_affinity
+1024-1031
+
+Note that to do this with a bitmask would require 32 bitmasks of zero
+to follow the pertinent one.
diff --git a/Documentation/blockdev/cciss.txt b/Documentation/blockdev/cciss.txt
index 89698e8df7d4..c00c6a5ab21f 100644
--- a/Documentation/blockdev/cciss.txt
+++ b/Documentation/blockdev/cciss.txt
@@ -169,3 +169,18 @@ is issued which positions the tape to a known position. Typically you
must rewind the tape (by issuing "mt -f /dev/st0 rewind" for example)
before i/o can proceed again to a tape drive which was reset.
+There is a cciss_tape_cmds module parameter which can be used to make cciss
+allocate more commands for use by tape drives. Ordinarily only a few commands
+(6) are allocated for tape drives because tape drives are slow and
+infrequently used and the primary purpose of Smart Array controllers is to
+act as a RAID controller for disk drives, so the vast majority of commands
+are allocated for disk devices. However, if you have more than a few tape
+drives attached to a smart array, the default number of commands may not be
+enought (for example, if you have 8 tape drives, you could only rewind 6
+at one time with the default number of commands.) The cciss_tape_cmds module
+parameter allows more commands (up to 16 more) to be allocated for use by
+tape drives. For example:
+
+ insmod cciss.ko cciss_tape_cmds=16
+
+Or, as a kernel boot parameter passed in via grub: cciss.cciss_tape_cmds=8
diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt
index 9164ae3b83bc..9b728dc17535 100644
--- a/Documentation/cachetlb.txt
+++ b/Documentation/cachetlb.txt
@@ -16,7 +16,7 @@ on all processors in the system. Don't let this scare you into
thinking SMP cache/tlb flushing must be so inefficient, this is in
fact an area where many optimizations are possible. For example,
if it can be proven that a user address space has never executed
-on a cpu (see vma->cpu_vm_mask), one need not perform a flush
+on a cpu (see mm_cpumask()), one need not perform a flush
for this address space on that cpu.
First, the TLB flushing interfaces, since they are the simplest. The
diff --git a/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt b/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
index edb7ae19e868..2c6be0377f55 100644
--- a/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
+++ b/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
@@ -74,3 +74,57 @@ Example:
interrupt-parent = <&mpic>;
phy-handle = <&phy0>
};
+
+* Gianfar PTP clock nodes
+
+General Properties:
+
+ - compatible Should be "fsl,etsec-ptp"
+ - reg Offset and length of the register set for the device
+ - interrupts There should be at least two interrupts. Some devices
+ have as many as four PTP related interrupts.
+
+Clock Properties:
+
+ - fsl,tclk-period Timer reference clock period in nanoseconds.
+ - fsl,tmr-prsc Prescaler, divides the output clock.
+ - fsl,tmr-add Frequency compensation value.
+ - fsl,tmr-fiper1 Fixed interval period pulse generator.
+ - fsl,tmr-fiper2 Fixed interval period pulse generator.
+ - fsl,max-adj Maximum frequency adjustment in parts per billion.
+
+ These properties set the operational parameters for the PTP
+ clock. You must choose these carefully for the clock to work right.
+ Here is how to figure good values:
+
+ TimerOsc = system clock MHz
+ tclk_period = desired clock period nanoseconds
+ NominalFreq = 1000 / tclk_period MHz
+ FreqDivRatio = TimerOsc / NominalFreq (must be greater that 1.0)
+ tmr_add = ceil(2^32 / FreqDivRatio)
+ OutputClock = NominalFreq / tmr_prsc MHz
+ PulseWidth = 1 / OutputClock microseconds
+ FiperFreq1 = desired frequency in Hz
+ FiperDiv1 = 1000000 * OutputClock / FiperFreq1
+ tmr_fiper1 = tmr_prsc * tclk_period * FiperDiv1 - tclk_period
+ max_adj = 1000000000 * (FreqDivRatio - 1.0) - 1
+
+ The calculation for tmr_fiper2 is the same as for tmr_fiper1. The
+ driver expects that tmr_fiper1 will be correctly set to produce a 1
+ Pulse Per Second (PPS) signal, since this will be offered to the PPS
+ subsystem to synchronize the Linux clock.
+
+Example:
+
+ ptp_clock@24E00 {
+ compatible = "fsl,etsec-ptp";
+ reg = <0x24E00 0xB0>;
+ interrupts = <12 0x8 13 0x8>;
+ interrupt-parent = < &ipic >;
+ fsl,tclk-period = <10>;
+ fsl,tmr-prsc = <100>;
+ fsl,tmr-add = <0x999999A4>;
+ fsl,tmr-fiper1 = <0x3B9AC9F6>;
+ fsl,tmr-fiper2 = <0x00018696>;
+ fsl,max-adj = <659999998>;
+ };
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 95788ad2506c..ff31b1cc50aa 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -262,16 +262,6 @@ Who: Michael Buesch <mb@bu3sch.de>
---------------------------
-What: /sys/o2cb symlink
-When: January 2010
-Why: /sys/fs/o2cb is the proper location for this information - /sys/o2cb
- exists as a symlink for backwards compatibility for old versions of
- ocfs2-tools. 2 years should be sufficient time to phase in new versions
- which know to look in /sys/fs/o2cb.
-Who: ocfs2-devel@oss.oracle.com
-
----------------------------
-
What: Ability for non root users to shm_get hugetlb pages based on mlock
resource limits
When: 2.6.31
diff --git a/Documentation/filesystems/9p.txt b/Documentation/filesystems/9p.txt
index b22abba78fed..13de64c7f0ab 100644
--- a/Documentation/filesystems/9p.txt
+++ b/Documentation/filesystems/9p.txt
@@ -25,6 +25,8 @@ Other applications are described in the following papers:
http://xcpu.org/papers/cellfs-talk.pdf
* PROSE I/O: Using 9p to enable Application Partitions
http://plan9.escet.urjc.es/iwp9/cready/PROSE_iwp9_2006.pdf
+ * VirtFS: A Virtualization Aware File System pass-through
+ http://goo.gl/3WPDg
USAGE
=====
@@ -130,31 +132,20 @@ OPTIONS
RESOURCES
=========
-Our current recommendation is to use Inferno (http://www.vitanuova.com/nferno/index.html)
-as the 9p server. You can start a 9p server under Inferno by issuing the
-following command:
- ; styxlisten -A tcp!*!564 export '#U*'
+Protocol specifications are maintained on github:
+http://ericvh.github.com/9p-rfc/
-The -A specifies an unauthenticated export. The 564 is the port # (you may
-have to choose a higher port number if running as a normal user). The '#U*'
-specifies exporting the root of the Linux name space. You may specify a
-subset of the namespace by extending the path: '#U*'/tmp would just export
-/tmp. For more information, see the Inferno manual pages covering styxlisten
-and export.
+9p client and server implementations are listed on
+http://9p.cat-v.org/implementations
-A Linux version of the 9p server is now maintained under the npfs project
-on sourceforge (http://sourceforge.net/projects/npfs). The currently
-maintained version is the single-threaded version of the server (named spfs)
-available from the same SVN repository.
+A 9p2000.L server is being developed by LLNL and can be found
+at http://code.google.com/p/diod/
There are user and developer mailing lists available through the v9fs project
on sourceforge (http://sourceforge.net/projects/v9fs).
-A stand-alone version of the module (which should build for any 2.6 kernel)
-is available via (http://github.com/ericvh/9p-sac/tree/master)
-
-News and other information is maintained on SWiK (http://swik.net/v9fs)
-and the Wiki (http://sf.net/apps/mediawiki/v9fs/index.php).
+News and other information is maintained on a Wiki.
+(http://sf.net/apps/mediawiki/v9fs/index.php).
Bug reports may be issued through the kernel.org bugzilla
(http://bugzilla.kernel.org)
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index c79ec58fd7f6..3ae9bc94352a 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -226,10 +226,6 @@ acl Enables POSIX Access Control Lists support.
noacl This option disables POSIX Access Control List
support.
-reservation
-
-noreservation
-
bsddf (*) Make 'df' act like BSD.
minixdf Make 'df' act like Minix.
diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt
index 9ed920a8cd79..7618a287aa41 100644
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -46,9 +46,15 @@ errors=panic Panic and halt the machine if an error occurs.
intr (*) Allow signals to interrupt cluster operations.
nointr Do not allow signals to interrupt cluster
operations.
+noatime Do not update access time.
+relatime(*) Update atime if the previous atime is older than
+ mtime or ctime
+strictatime Always update atime, but the minimum update interval
+ is specified by atime_quantum.
atime_quantum=60(*) OCFS2 will not update atime unless this number
of seconds has passed since the last update.
- Set to zero to always update atime.
+ Set to zero to always update atime. This option need
+ work with strictatime.
data=ordered (*) All data are forced directly out to the main file
system prior to its metadata being committed to the
journal.
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 60740e8ecb37..f48178024067 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -574,6 +574,12 @@ The contents of each smp_affinity file is the same by default:
> cat /proc/irq/0/smp_affinity
ffffffff
+There is an alternate interface, smp_affinity_list which allows specifying
+a cpu range instead of a bitmask:
+
+ > cat /proc/irq/0/smp_affinity_list
+ 1024-1031
+
The default_smp_affinity mask applies to all non-active IRQs, which are the
IRQs which have not yet been allocated/activated, and hence which lack a
/proc/irq/[0-9]* directory.
@@ -583,12 +589,13 @@ reports itself as being attached. This hardware locality information does not
include information about any possible driver locality preference.
prof_cpu_mask specifies which CPUs are to be profiled by the system wide
-profiler. Default value is ffffffff (all cpus).
+profiler. Default value is ffffffff (all cpus if there are only 32 of them).
The way IRQs are routed is handled by the IO-APIC, and it's Round Robin
between all the CPUs which are allowed to handle it. As usual the kernel has
more info than you and does a better job than you, so the defaults are the
-best choice for almost everyone.
+best choice for almost everyone. [Note this applies only to those IO-APIC's
+that support "Round Robin" interrupt distribution.]
There are three more important subdirectories in /proc: net, scsi, and sys.
The general rule is that the contents, or even the existence of these
diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index d7b13b01e980..8e4fab639d9c 100644
--- a/Documentation/filesystems/ubifs.txt
+++ b/Documentation/filesystems/ubifs.txt
@@ -115,28 +115,8 @@ ubi.mtd=0 root=ubi0:rootfs rootfstype=ubifs
Module Parameters for Debugging
===============================
-When UBIFS has been compiled with debugging enabled, there are 3 module
+When UBIFS has been compiled with debugging enabled, there are 2 module
parameters that are available to control aspects of testing and debugging.
-The parameters are unsigned integers where each bit controls an option.
-The parameters are:
-
-debug_msgs Selects which debug messages to display, as follows:
-
- Message Type Flag value
-
- General messages 1
- Journal messages 2
- Mount messages 4
- Commit messages 8
- LEB search messages 16
- Budgeting messages 32
- Garbage collection messages 64
- Tree Node Cache (TNC) messages 128
- LEB properties (lprops) messages 256
- Input/output messages 512
- Log messages 1024
- Scan messages 2048
- Recovery messages 4096
debug_chks Selects extra checks that UBIFS can do while running:
@@ -154,11 +134,9 @@ debug_tsts Selects a mode of testing, as follows:
Test mode Flag value
- Force in-the-gaps method 2
Failure mode for recovery testing 4
-For example, set debug_msgs to 5 to display General messages and Mount
-messages.
+For example, set debug_chks to 3 to enable general and TNC checks.
References
diff --git a/Documentation/filesystems/xfs.txt b/Documentation/filesystems/xfs.txt
index 7bff3e4f35df..3fc0c31a6f5d 100644
--- a/Documentation/filesystems/xfs.txt
+++ b/Documentation/filesystems/xfs.txt
@@ -39,6 +39,12 @@ When mounting an XFS filesystem, the following options are accepted.
drive level write caching to be enabled, for devices that
support write barriers.
+ discard
+ Issue command to let the block device reclaim space freed by the
+ filesystem. This is useful for SSD devices, thinly provisioned
+ LUNs and virtual machine images, but may have a performance
+ impact. This option is incompatible with the nodelaylog option.
+
dmapi
Enable the DMAPI (Data Management API) event callouts.
Use with the "mtpt" option.
diff --git a/Documentation/hwmon/emc6w201 b/Documentation/hwmon/emc6w201
new file mode 100644
index 000000000000..32f355aaf56b
--- /dev/null
+++ b/Documentation/hwmon/emc6w201
@@ -0,0 +1,42 @@
+Kernel driver emc6w201
+======================
+
+Supported chips:
+ * SMSC EMC6W201
+ Prefix: 'emc6w201'
+ Addresses scanned: I2C 0x2c, 0x2d, 0x2e
+ Datasheet: Not public
+
+Author: Jean Delvare <khali@linux-fr.org>
+
+
+Description
+-----------
+
+From the datasheet:
+
+"The EMC6W201 is an environmental monitoring device with automatic fan
+control capability and enhanced system acoustics for noise suppression.
+This ACPI compliant device provides hardware monitoring for up to six
+voltages (including its own VCC) and five external thermal sensors,
+measures the speed of up to five fans, and controls the speed of
+multiple DC fans using three Pulse Width Modulator (PWM) outputs. Note
+that it is possible to control more than three fans by connecting two
+fans to one PWM output. The EMC6W201 will be available in a 36-pin
+QFN package."
+
+The device is functionally close to the EMC6D100 series, but is
+register-incompatible.
+
+The driver currently only supports the monitoring of the voltages,
+temperatures and fan speeds. Limits can be changed. Alarms are not
+supported, and neither is fan speed control.
+
+
+Known Systems With EMC6W201
+---------------------------
+
+The EMC6W201 is a rare device, only found on a few systems, made in
+2005 and 2006. Known systems with this device:
+* Dell Precision 670 workstation
+* Gigabyte 2CEWH mainboard
diff --git a/Documentation/hwmon/f71882fg b/Documentation/hwmon/f71882fg
index df02245d1419..84d2623810f3 100644
--- a/Documentation/hwmon/f71882fg
+++ b/Documentation/hwmon/f71882fg
@@ -6,6 +6,10 @@ Supported chips:
Prefix: 'f71808e'
Addresses scanned: none, address read from Super I/O config space
Datasheet: Not public
+ * Fintek F71808A
+ Prefix: 'f71808a'
+ Addresses scanned: none, address read from Super I/O config space
+ Datasheet: Not public
* Fintek F71858FG
Prefix: 'f71858fg'
Addresses scanned: none, address read from Super I/O config space
diff --git a/Documentation/hwmon/fam15h_power b/Documentation/hwmon/fam15h_power
new file mode 100644
index 000000000000..a92918e0bd69
--- /dev/null
+++ b/Documentation/hwmon/fam15h_power
@@ -0,0 +1,37 @@
+Kernel driver fam15h_power
+==========================
+
+Supported chips:
+* AMD Family 15h Processors
+
+ Prefix: 'fam15h_power'
+ Addresses scanned: PCI space
+ Datasheets:
+ BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors
+ (not yet published)
+
+Author: Andreas Herrmann <andreas.herrmann3@amd.com>
+
+Description
+-----------
+
+This driver permits reading of registers providing power information
+of AMD Family 15h processors.
+
+For AMD Family 15h processors the following power values can be
+calculated using different processor northbridge function registers:
+
+* BasePwrWatts: Specifies in watts the maximum amount of power
+ consumed by the processor for NB and logic external to the core.
+* ProcessorPwrWatts: Specifies in watts the maximum amount of power
+ the processor can support.
+* CurrPwrWatts: Specifies in watts the current amount of power being
+ consumed by the processor.
+
+This driver provides ProcessorPwrWatts and CurrPwrWatts:
+* power1_crit (ProcessorPwrWatts)
+* power1_input (CurrPwrWatts)
+
+On multi-node processors the calculated value is for the entire
+package and not for a single node. Thus the driver creates sysfs
+attributes only for internal node0 of a multi-node processor.
diff --git a/Documentation/hwmon/k10temp b/Documentation/hwmon/k10temp
index d2b56a4fd1f5..0393c89277c0 100644
--- a/Documentation/hwmon/k10temp
+++ b/Documentation/hwmon/k10temp
@@ -11,6 +11,7 @@ Supported chips:
Socket S1G2: Athlon (X2), Sempron (X2), Turion X2 (Ultra)
* AMD Family 12h processors: "Llano"
* AMD Family 14h processors: "Brazos" (C/E/G-Series)
+* AMD Family 15h processors: "Bulldozer"
Prefix: 'k10temp'
Addresses scanned: PCI space
@@ -40,7 +41,7 @@ Description
-----------
This driver permits reading of the internal temperature sensor of AMD
-Family 10h/11h/12h/14h processors.
+Family 10h/11h/12h/14h/15h processors.
All these processors have a sensor, but on those for Socket F or AM2+,
the sensor may return inconsistent values (erratum 319). The driver
diff --git a/Documentation/hwmon/max6650 b/Documentation/hwmon/max6650
index c565650fcfc6..58d9644a2bde 100644
--- a/Documentation/hwmon/max6650
+++ b/Documentation/hwmon/max6650
@@ -2,9 +2,13 @@ Kernel driver max6650
=====================
Supported chips:
- * Maxim 6650 / 6651
+ * Maxim MAX6650
Prefix: 'max6650'
- Addresses scanned: I2C 0x1b, 0x1f, 0x48, 0x4b
+ Addresses scanned: none
+ Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf
+ * Maxim MAX6651
+ Prefix: 'max6651'
+ Addresses scanned: none
Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf
Authors:
@@ -15,10 +19,10 @@ Authors:
Description
-----------
-This driver implements support for the Maxim 6650/6651
+This driver implements support for the Maxim MAX6650 and MAX6651.
-The 2 devices are very similar, but the Maxim 6550 has a reduced feature
-set, e.g. only one fan-input, instead of 4 for the 6651.
+The 2 devices are very similar, but the MAX6550 has a reduced feature
+set, e.g. only one fan-input, instead of 4 for the MAX6651.
The driver is not able to distinguish between the 2 devices.
@@ -36,6 +40,13 @@ fan1_div rw sets the speed range the inputs can handle. Legal
values are 1, 2, 4, and 8. Use lower values for
faster fans.
+Usage notes
+-----------
+
+This driver does not auto-detect devices. You will have to instantiate the
+devices explicitly. Please see Documentation/i2c/instantiating-devices for
+details.
+
Module parameters
-----------------
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index 6df69765ccb7..2871fd500349 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -19,6 +19,7 @@ Supported adapters:
* Intel 6 Series (PCH)
* Intel Patsburg (PCH)
* Intel DH89xxCC (PCH)
+ * Intel Panther Point (PCH)
Datasheets: Publicly available at the Intel website
On Intel Patsburg and later chipsets, both the normal host SMBus controller
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index 5ebf5af1d716..5aa53374ea2a 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -38,7 +38,7 @@ static struct i2c_driver foo_driver = {
.name = "foo",
},
- .id_table = foo_ids,
+ .id_table = foo_idtable,
.probe = foo_probe,
.remove = foo_remove,
/* if device autodetection is needed: */
diff --git a/Documentation/input/elantech.txt b/Documentation/input/elantech.txt
index 56941ae1f5db..db798af5ef98 100644
--- a/Documentation/input/elantech.txt
+++ b/Documentation/input/elantech.txt
@@ -34,7 +34,8 @@ Contents
Currently the Linux Elantech touchpad driver is aware of two different
hardware versions unimaginatively called version 1 and version 2. Version 1
is found in "older" laptops and uses 4 bytes per packet. Version 2 seems to
-be introduced with the EeePC and uses 6 bytes per packet.
+be introduced with the EeePC and uses 6 bytes per packet, and provides
+additional features such as position of two fingers, and width of the touch.
The driver tries to support both hardware versions and should be compatible
with the Xorg Synaptics touchpad driver and its graphical configuration
@@ -94,18 +95,44 @@ Currently the Linux Elantech touchpad driver provides two extra knobs under
can check these bits and reject any packet that appears corrupted. Using
this knob you can bypass that check.
- It is not known yet whether hardware version 2 provides the same parity
- bits. Hence checking is disabled by default. Currently even turning it on
- will do nothing.
-
+ Hardware version 2 does not provide the same parity bits. Only some basic
+ data consistency checking can be done. For now checking is disabled by
+ default. Currently even turning it on will do nothing.
/////////////////////////////////////////////////////////////////////////////
+3. Differentiating hardware versions
+ =================================
+
+To detect the hardware version, read the version number as param[0].param[1].param[2]
+
+ 4 bytes version: (after the arrow is the name given in the Dell-provided driver)
+ 02.00.22 => EF013
+ 02.06.00 => EF019
+In the wild, there appear to be more versions, such as 00.01.64, 01.00.21,
+02.00.00, 02.00.04, 02.00.06.
+
+ 6 bytes:
+ 02.00.30 => EF113
+ 02.08.00 => EF023
+ 02.08.XX => EF123
+ 02.0B.00 => EF215
+ 04.01.XX => Scroll_EF051
+ 04.02.XX => EF051
+In the wild, there appear to be more versions, such as 04.03.01, 04.04.11. There
+appears to be almost no difference, except for EF113, which does not report
+pressure/width and has different data consistency checks.
+
+Probably all the versions with param[0] <= 01 can be considered as
+4 bytes/firmware 1. The versions < 02.08.00, with the exception of 02.00.30, as
+4 bytes/firmware 2. Everything >= 02.08.00 can be considered as 6 bytes.
+
+/////////////////////////////////////////////////////////////////////////////
-3. Hardware version 1
+4. Hardware version 1
==================
-3.1 Registers
+4.1 Registers
~~~~~~~~~
By echoing a hexadecimal value to a register it contents can be altered.
@@ -168,7 +195,7 @@ For example:
smart edge activation area width?
-3.2 Native relative mode 4 byte packet format
+4.2 Native relative mode 4 byte packet format
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
byte 0:
@@ -226,9 +253,13 @@ byte 3:
positive = down
-3.3 Native absolute mode 4 byte packet format
+4.3 Native absolute mode 4 byte packet format
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+EF013 and EF019 have a special behaviour (due to a bug in the firmware?), and
+when 1 finger is touching, the first 2 position reports must be discarded.
+This counting is reset whenever a different number of fingers is reported.
+
byte 0:
firmware version 1.x:
@@ -279,11 +310,11 @@ byte 3:
/////////////////////////////////////////////////////////////////////////////
-4. Hardware version 2
+5. Hardware version 2
==================
-4.1 Registers
+5.1 Registers
~~~~~~~~~
By echoing a hexadecimal value to a register it contents can be altered.
@@ -316,16 +347,41 @@ For example:
0x7f = never i.e. tap again to release)
-4.2 Native absolute mode 6 byte packet format
+5.2 Native absolute mode 6 byte packet format
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-4.2.1 One finger touch
+5.2.1 Parity checking and packet re-synchronization
+There is no parity checking, however some consistency checks can be performed.
+
+For instance for EF113:
+ SA1= packet[0];
+ A1 = packet[1];
+ B1 = packet[2];
+ SB1= packet[3];
+ C1 = packet[4];
+ D1 = packet[5];
+ if( (((SA1 & 0x3C) != 0x3C) && ((SA1 & 0xC0) != 0x80)) || // check Byte 1
+ (((SA1 & 0x0C) != 0x0C) && ((SA1 & 0xC0) == 0x80)) || // check Byte 1 (one finger pressed)
+ (((SA1 & 0xC0) != 0x80) && (( A1 & 0xF0) != 0x00)) || // check Byte 2
+ (((SB1 & 0x3E) != 0x38) && ((SA1 & 0xC0) != 0x80)) || // check Byte 4
+ (((SB1 & 0x0E) != 0x08) && ((SA1 & 0xC0) == 0x80)) || // check Byte 4 (one finger pressed)
+ (((SA1 & 0xC0) != 0x80) && (( C1 & 0xF0) != 0x00)) ) // check Byte 5
+ // error detected
+
+For all the other ones, there are just a few constant bits:
+ if( ((packet[0] & 0x0C) != 0x04) ||
+ ((packet[3] & 0x0f) != 0x02) )
+ // error detected
+
+
+In case an error is detected, all the packets are shifted by one (and packet[0] is discarded).
+
+5.2.1 One/Three finger touch
~~~~~~~~~~~~~~~~
byte 0:
bit 7 6 5 4 3 2 1 0
- n1 n0 . . . . R L
+ n1 n0 w3 w2 . . R L
L, R = 1 when Left, Right mouse button pressed
n1..n0 = numbers of fingers on touchpad
@@ -333,24 +389,40 @@ byte 0:
byte 1:
bit 7 6 5 4 3 2 1 0
- . . . . . x10 x9 x8
+ p7 p6 p5 p4 . x10 x9 x8
byte 2:
bit 7 6 5 4 3 2 1 0
- x7 x6 x5 x4 x4 x2 x1 x0
+ x7 x6 x5 x4 x3 x2 x1 x0
x10..x0 = absolute x value (horizontal)
byte 3:
bit 7 6 5 4 3 2 1 0
- . . . . . . . .
+ n4 vf w1 w0 . . . b2
+
+ n4 = set if more than 3 fingers (only in 3 fingers mode)
+ vf = a kind of flag ? (only on EF123, 0 when finger is over one
+ of the buttons, 1 otherwise)
+ w3..w0 = width of the finger touch (not EF113)
+ b2 (on EF113 only, 0 otherwise), b2.R.L indicates one button pressed:
+ 0 = none
+ 1 = Left
+ 2 = Right
+ 3 = Middle (Left and Right)
+ 4 = Forward
+ 5 = Back
+ 6 = Another one
+ 7 = Another one
byte 4:
bit 7 6 5 4 3 2 1 0
- . . . . . . y9 y8
+ p3 p1 p2 p0 . . y9 y8
+
+ p7..p0 = pressure (not EF113)
byte 5:
@@ -363,6 +435,11 @@ byte 5:
4.2.2 Two finger touch
~~~~~~~~~~~~~~~~
+Note that the two pairs of coordinates are not exactly the coordinates of the
+two fingers, but only the pair of the lower-left and upper-right coordinates.
+So the actual fingers might be situated on the other diagonal of the square
+defined by these two points.
+
byte 0:
bit 7 6 5 4 3 2 1 0
@@ -376,14 +453,14 @@ byte 1:
bit 7 6 5 4 3 2 1 0
ax7 ax6 ax5 ax4 ax3 ax2 ax1 ax0
- ax8..ax0 = first finger absolute x value
+ ax8..ax0 = lower-left finger absolute x value
byte 2:
bit 7 6 5 4 3 2 1 0
ay7 ay6 ay5 ay4 ay3 ay2 ay1 ay0
- ay8..ay0 = first finger absolute y value
+ ay8..ay0 = lower-left finger absolute y value
byte 3:
@@ -395,11 +472,11 @@ byte 4:
bit 7 6 5 4 3 2 1 0
bx7 bx6 bx5 bx4 bx3 bx2 bx1 bx0
- bx8..bx0 = second finger absolute x value
+ bx8..bx0 = upper-right finger absolute x value
byte 5:
bit 7 6 5 4 3 2 1 0
by7 by8 by5 by4 by3 by2 by1 by0
- by8..by0 = second finger absolute y value
+ by8..by0 = upper-right finger absolute y value
diff --git a/Documentation/input/rotary-encoder.txt b/Documentation/input/rotary-encoder.txt
index 943e8f6f2b15..92e68bce13a4 100644
--- a/Documentation/input/rotary-encoder.txt
+++ b/Documentation/input/rotary-encoder.txt
@@ -9,6 +9,9 @@ peripherals with two wires. The outputs are phase-shifted by 90 degrees
and by triggering on falling and rising edges, the turn direction can
be determined.
+Some encoders have both outputs low in stable states, whereas others also have
+a stable state with both outputs high (half-period mode).
+
The phase diagram of these two outputs look like this:
_____ _____ _____
@@ -26,6 +29,8 @@ The phase diagram of these two outputs look like this:
|<-------->|
one step
+ |<-->|
+ one step (half-period mode)
For more information, please see
http://en.wikipedia.org/wiki/Rotary_encoder
@@ -34,6 +39,13 @@ For more information, please see
1. Events / state machine
-------------------------
+In half-period mode, state a) and c) above are used to determine the
+rotational direction based on the last stable state. Events are reported in
+states b) and d) given that the new stable state is different from the last
+(i.e. the rotation was not reversed half-way).
+
+Otherwise, the following apply:
+
a) Rising edge on channel A, channel B in low state
This state is used to recognize a clockwise turn
@@ -96,6 +108,7 @@ static struct rotary_encoder_platform_data my_rotary_encoder_info = {
.gpio_b = GPIO_ROTARY_B,
.inverted_a = 0,
.inverted_b = 0,
+ .half_period = false,
};
static struct platform_device rotary_encoder_device = {
diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
index 2d1ad12e2b3e..3a46e360496d 100644
--- a/Documentation/ioctl/ioctl-number.txt
+++ b/Documentation/ioctl/ioctl-number.txt
@@ -304,6 +304,7 @@ Code Seq#(hex) Include File Comments
0xB0 all RATIO devices in development:
<mailto:vgo@ratio.de>
0xB1 00-1F PPPoX <mailto:mostrows@styx.uwaterloo.ca>
+0xB3 00 linux/mmc/ioctl.h
0xC0 00-0F linux/usb/iowarrior.h
0xCB 00-1F CBM serial IEC bus in development:
<mailto:michael.klein@puffin.lb.shuttle.de>
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 7c2a89ba674c..68e32bb6bd80 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -201,3 +201,16 @@ KBUILD_ENABLE_EXTRA_GCC_CHECKS
--------------------------------------------------
If enabled over the make command line with "W=1", it turns on additional
gcc -W... options for more extensive build-time checking.
+
+KBUILD_BUILD_TIMESTAMP
+--------------------------------------------------
+Setting this to a date string overrides the timestamp used in the
+UTS_VERSION definition (uname -v in the running kernel). The value has to
+be a string that can be passed to date -d. The default value
+is the output of the date command at one point during build.
+
+KBUILD_BUILD_USER, KBUILD_BUILD_HOST
+--------------------------------------------------
+These two variables allow to override the user@host string displayed during
+boot and in /proc/version. The default value is the output of the commands
+whoami and host, respectively.
diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index b507d61fd41c..44e2649fbb29 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -113,6 +113,13 @@ applicable everywhere (see syntax).
That will limit the usefulness but on the other hand avoid
the illegal configurations all over.
+- limiting menu display: "visible if" <expr>
+ This attribute is only applicable to menu blocks, if the condition is
+ false, the menu block is not displayed to the user (the symbols
+ contained there can still be selected by other symbols, though). It is
+ similar to a conditional "prompt" attribude for individual menu
+ entries. Default value of "visible" is true.
+
- numerical ranges: "range" <symbol> <symbol> ["if" <expr>]
This allows to limit the range of possible input values for int
and hex symbols. The user can only input a value which is larger than
@@ -303,7 +310,8 @@ menu:
"endmenu"
This defines a menu block, see "Menu structure" above for more
-information. The only possible options are dependencies.
+information. The only possible options are dependencies and "visible"
+attributes.
if:
@@ -381,3 +389,25 @@ config FOO
limits FOO to module (=m) or disabled (=n).
+Kconfig symbol existence
+~~~~~~~~~~~~~~~~~~~~~~~~
+The following two methods produce the same kconfig symbol dependencies
+but differ greatly in kconfig symbol existence (production) in the
+generated config file.
+
+case 1:
+
+config FOO
+ tristate "about foo"
+ depends on BAR
+
+vs. case 2:
+
+if BAR
+config FOO
+ tristate "about foo"
+endif
+
+In case 1, the symbol FOO will always exist in the config file (given
+no other dependencies). In case 2, the symbol FOO will only exist in
+the config file if BAR is enabled.
diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
index cca46b1a0f6c..c313d71324b4 100644
--- a/Documentation/kbuild/kconfig.txt
+++ b/Documentation/kbuild/kconfig.txt
@@ -48,11 +48,6 @@ KCONFIG_OVERWRITECONFIG
If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
break symlinks when .config is a symlink to somewhere else.
-KCONFIG_NOTIMESTAMP
---------------------------------------------------
-If this environment variable exists and is non-null, the timestamp line
-in generated .config files is omitted.
-
______________________________________________________________________
Environment variables for '{allyes/allmod/allno/rand}config'
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index 5d145bb443c0..47435e56c5da 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -40,11 +40,13 @@ This document describes the Linux kernel Makefiles.
--- 6.6 Commands useful for building a boot image
--- 6.7 Custom kbuild commands
--- 6.8 Preprocessing linker scripts
+ --- 6.9 Generic header files
=== 7 Kbuild syntax for exported headers
--- 7.1 header-y
--- 7.2 objhdr-y
--- 7.3 destination-y
+ --- 7.4 generic-y
=== 8 Kbuild Variables
=== 9 Makefile language
@@ -499,6 +501,18 @@ more details, with real examples.
gcc >= 3.00. For gcc < 3.00, -malign-functions=4 is used.
Note: cc-option-align uses KBUILD_CFLAGS for $(CC) options
+ cc-disable-warning
+ cc-disable-warning checks if gcc supports a given warning and returns
+ the commandline switch to disable it. This special function is needed,
+ because gcc 4.4 and later accept any unknown -Wno-* option and only
+ warn about it if there is another warning in the source file.
+
+ Example:
+ KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
+
+ In the above example, -Wno-unused-but-set-variable will be added to
+ KBUILD_CFLAGS only if gcc really accepts it.
+
cc-version
cc-version returns a numerical version of the $(CC) compiler version.
The format is <major><minor> where both are two digits. So for example
@@ -955,6 +969,11 @@ When kbuild executes, the following steps are followed (roughly):
used when linking modules. This is often a linker script.
From commandline LDFLAGS_MODULE shall be used (see kbuild.txt).
+ KBUILD_ARFLAGS Options for $(AR) when creating archives
+
+ $(KBUILD_ARFLAGS) set by the top level Makefile to "D" (deterministic
+ mode) if this option is supported by $(AR).
+
--- 6.2 Add prerequisites to archprepare:
The archprepare: rule is used to list prerequisites that need to be
@@ -1209,6 +1228,14 @@ When kbuild executes, the following steps are followed (roughly):
The kbuild infrastructure for *lds file are used in several
architecture-specific files.
+--- 6.9 Generic header files
+
+ The directory include/asm-generic contains the header files
+ that may be shared between individual architectures.
+ The recommended approach how to use a generic header file is
+ to list the file in the Kbuild file.
+ See "7.4 generic-y" for further info on syntax etc.
+
=== 7 Kbuild syntax for exported headers
The kernel include a set of headers that is exported to userspace.
@@ -1265,6 +1292,32 @@ See subsequent chapter for the syntax of the Kbuild file.
In the example above all exported headers in the Kbuild file
will be located in the directory "include/linux" when exported.
+ --- 7.4 generic-y
+
+ If an architecture uses a verbatim copy of a header from
+ include/asm-generic then this is listed in the file
+ arch/$(ARCH)/include/asm/Kbuild like this:
+
+ Example:
+ #arch/x86/include/asm/Kbuild
+ generic-y += termios.h
+ generic-y += rtc.h
+
+ During the prepare phase of the build a wrapper include
+ file is generated in the directory:
+
+ arch/$(ARCH)/include/generated/asm
+
+ When a header is exported where the architecture uses
+ the generic header a similar wrapper is generated as part
+ of the set of exported headers in the directory:
+
+ usr/include/asm
+
+ The generated wrapper will in both cases look like the following:
+
+ Example: termios.h
+ #include <asm-generic/termios.h>
=== 8 Kbuild Variables
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7c6624e7a5cb..5438a2d7907f 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1777,9 +1777,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
nosoftlockup [KNL] Disable the soft-lockup detector.
- noswapaccount [KNL] Disable accounting of swap in memory resource
- controller. (See Documentation/cgroups/memory.txt)
-
nosync [HW,M68K] Disables sync negotiation for all devices.
notsc [BUGS=X86-32] Disable Time Stamp Counter
diff --git a/Documentation/lockstat.txt b/Documentation/lockstat.txt
index 65f4c795015d..9c0a80d17a23 100644
--- a/Documentation/lockstat.txt
+++ b/Documentation/lockstat.txt
@@ -136,7 +136,7 @@ View the top contending locks:
dcache_lock: 1037 1161 0.38 45.32 774.51 6611 243371 0.15 306.48 77387.24
&inode->i_mutex: 161 286 18446744073709 62882.54 1244614.55 3653 20598 18446744073709 62318.60 1693822.74
&zone->lru_lock: 94 94 0.53 7.33 92.10 4366 32690 0.29 59.81 16350.06
- &inode->i_data.i_mmap_lock: 79 79 0.40 3.77 53.03 11779 87755 0.28 116.93 29898.44
+ &inode->i_data.i_mmap_mutex: 79 79 0.40 3.77 53.03 11779 87755 0.28 116.93 29898.44
&q->__queue_lock: 48 50 0.52 31.62 86.31 774 13131 0.17 113.08 12277.52
&rq->rq_lock_key: 43 47 0.74 68.50 170.63 3706 33929 0.22 107.99 17460.62
&rq->rq_lock_key#2: 39 46 0.75 6.68 49.03 2979 32292 0.17 125.17 17137.63
diff --git a/Documentation/mmc/00-INDEX b/Documentation/mmc/00-INDEX
index fca586f5b853..93dd7a714075 100644
--- a/Documentation/mmc/00-INDEX
+++ b/Documentation/mmc/00-INDEX
@@ -2,3 +2,5 @@
- this file
mmc-dev-attrs.txt
- info on SD and MMC device attributes
+mmc-dev-parts.txt
+ - info on SD and MMC device partitions
diff --git a/Documentation/mmc/mmc-dev-attrs.txt b/Documentation/mmc/mmc-dev-attrs.txt
index ff2bd685bced..8898a95b41e5 100644
--- a/Documentation/mmc/mmc-dev-attrs.txt
+++ b/Documentation/mmc/mmc-dev-attrs.txt
@@ -1,3 +1,13 @@
+SD and MMC Block Device Attributes
+==================================
+
+These attributes are defined for the block devices associated with the
+SD or MMC device.
+
+The following attributes are read/write.
+
+ force_ro Enforce read-only access even if write protect switch is off.
+
SD and MMC Device Attributes
============================
diff --git a/Documentation/mmc/mmc-dev-parts.txt b/Documentation/mmc/mmc-dev-parts.txt
new file mode 100644
index 000000000000..2db28b8e662f
--- /dev/null
+++ b/Documentation/mmc/mmc-dev-parts.txt
@@ -0,0 +1,27 @@
+SD and MMC Device Partitions
+============================
+
+Device partitions are additional logical block devices present on the
+SD/MMC device.
+
+As of this writing, MMC boot partitions as supported and exposed as
+/dev/mmcblkXboot0 and /dev/mmcblkXboot1, where X is the index of the
+parent /dev/mmcblkX.
+
+MMC Boot Partitions
+===================
+
+Read and write access is provided to the two MMC boot partitions. Due to
+the sensitive nature of the boot partition contents, which often store
+a bootloader or bootloader configuration tables crucial to booting the
+platform, write access is disabled by default to reduce the chance of
+accidental bricking.
+
+To enable write access to /dev/mmcblkXbootY, disable the forced read-only
+access with:
+
+echo 0 > /sys/block/mmcblkXbootY/force_ro
+
+To re-enable read-only access:
+
+echo 1 > /sys/block/mmcblkXbootY/force_ro
diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index 1f45bd887d65..675612ff41ae 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -770,8 +770,17 @@ resend_igmp
a failover event. One membership report is issued immediately after
the failover, subsequent packets are sent in each 200ms interval.
- The valid range is 0 - 255; the default value is 1. This option
- was added for bonding version 3.7.0.
+ The valid range is 0 - 255; the default value is 1. A value of 0
+ prevents the IGMP membership report from being issued in response
+ to the failover event.
+
+ This option is useful for bonding modes balance-rr (0), active-backup
+ (1), balance-tlb (5) and balance-alb (6), in which a failover can
+ switch the IGMP traffic from one slave to another. Therefore a fresh
+ IGMP report must be issued to cause the switch to forward the incoming
+ IGMP traffic over the newly selected slave.
+
+ This option was added for bonding version 3.7.0.
3. Configuring Bonding Devices
==============================
diff --git a/Documentation/ptp/ptp.txt b/Documentation/ptp/ptp.txt
new file mode 100644
index 000000000000..ae8fef86b832
--- /dev/null
+++ b/Documentation/ptp/ptp.txt
@@ -0,0 +1,89 @@
+
+* PTP hardware clock infrastructure for Linux
+
+ This patch set introduces support for IEEE 1588 PTP clocks in
+ Linux. Together with the SO_TIMESTAMPING socket options, this
+ presents a standardized method for developing PTP user space
+ programs, synchronizing Linux with external clocks, and using the
+ ancillary features of PTP hardware clocks.
+
+ A new class driver exports a kernel interface for specific clock
+ drivers and a user space interface. The infrastructure supports a
+ complete set of PTP hardware clock functionality.
+
+ + Basic clock operations
+ - Set time
+ - Get time
+ - Shift the clock by a given offset atomically
+ - Adjust clock frequency
+
+ + Ancillary clock features
+ - One short or periodic alarms, with signal delivery to user program
+ - Time stamp external events
+ - Period output signals configurable from user space
+ - Synchronization of the Linux system time via the PPS subsystem
+
+** PTP hardware clock kernel API
+
+ A PTP clock driver registers itself with the class driver. The
+ class driver handles all of the dealings with user space. The
+ author of a clock driver need only implement the details of
+ programming the clock hardware. The clock driver notifies the class
+ driver of asynchronous events (alarms and external time stamps) via
+ a simple message passing interface.
+
+ The class driver supports multiple PTP clock drivers. In normal use
+ cases, only one PTP clock is needed. However, for testing and
+ development, it can be useful to have more than one clock in a
+ single system, in order to allow performance comparisons.
+
+** PTP hardware clock user space API
+
+ The class driver also creates a character device for each
+ registered clock. User space can use an open file descriptor from
+ the character device as a POSIX clock id and may call
+ clock_gettime, clock_settime, and clock_adjtime. These calls
+ implement the basic clock operations.
+
+ User space programs may control the clock using standardized
+ ioctls. A program may query, enable, configure, and disable the
+ ancillary clock features. User space can receive time stamped
+ events via blocking read() and poll(). One shot and periodic
+ signals may be configured via the POSIX timer_settime() system
+ call.
+
+** Writing clock drivers
+
+ Clock drivers include include/linux/ptp_clock_kernel.h and register
+ themselves by presenting a 'struct ptp_clock_info' to the
+ registration method. Clock drivers must implement all of the
+ functions in the interface. If a clock does not offer a particular
+ ancillary feature, then the driver should just return -EOPNOTSUPP
+ from those functions.
+
+ Drivers must ensure that all of the methods in interface are
+ reentrant. Since most hardware implementations treat the time value
+ as a 64 bit integer accessed as two 32 bit registers, drivers
+ should use spin_lock_irqsave/spin_unlock_irqrestore to protect
+ against concurrent access. This locking cannot be accomplished in
+ class driver, since the lock may also be needed by the clock
+ driver's interrupt service routine.
+
+** Supported hardware
+
+ + Freescale eTSEC gianfar
+ - 2 Time stamp external triggers, programmable polarity (opt. interrupt)
+ - 2 Alarm registers (optional interrupt)
+ - 3 Periodic signals (optional interrupt)
+
+ + National DP83640
+ - 6 GPIOs programmable as inputs or outputs
+ - 6 GPIOs with dedicated functions (LED/JTAG/clock) can also be
+ used as general inputs or outputs
+ - GPIO inputs can time stamp external triggers
+ - GPIO outputs can produce periodic signals
+ - 1 interrupt pin
+
+ + Intel IXP465
+ - Auxiliary Slave/Master Mode Snapshot (optional interrupt)
+ - Target Time (optional interrupt)
diff --git a/Documentation/ptp/testptp.c b/Documentation/ptp/testptp.c
new file mode 100644
index 000000000000..f59ded066108
--- /dev/null
+++ b/Documentation/ptp/testptp.c
@@ -0,0 +1,381 @@
+/*
+ * PTP 1588 clock support - User space test program
+ *
+ * Copyright (C) 2010 OMICRON electronics GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <errno.h>
+#include <fcntl.h>
+#include <math.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/timex.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <linux/ptp_clock.h>
+
+#define DEVICE "/dev/ptp0"
+
+#ifndef ADJ_SETOFFSET
+#define ADJ_SETOFFSET 0x0100
+#endif
+
+#ifndef CLOCK_INVALID
+#define CLOCK_INVALID -1
+#endif
+
+/* When glibc offers the syscall, this will go away. */
+#include <sys/syscall.h>
+static int clock_adjtime(clockid_t id, struct timex *tx)
+{
+ return syscall(__NR_clock_adjtime, id, tx);
+}
+
+static clockid_t get_clockid(int fd)
+{
+#define CLOCKFD 3
+#define FD_TO_CLOCKID(fd) ((~(clockid_t) (fd) << 3) | CLOCKFD)
+
+ return FD_TO_CLOCKID(fd);
+}
+
+static void handle_alarm(int s)
+{
+ printf("received signal %d\n", s);
+}
+
+static int install_handler(int signum, void (*handler)(int))
+{
+ struct sigaction action;
+ sigset_t mask;
+
+ /* Unblock the signal. */
+ sigemptyset(&mask);
+ sigaddset(&mask, signum);
+ sigprocmask(SIG_UNBLOCK, &mask, NULL);
+
+ /* Install the signal handler. */
+ action.sa_handler = handler;
+ action.sa_flags = 0;
+ sigemptyset(&action.sa_mask);
+ sigaction(signum, &action, NULL);
+
+ return 0;
+}
+
+static long ppb_to_scaled_ppm(int ppb)
+{
+ /*
+ * The 'freq' field in the 'struct timex' is in parts per
+ * million, but with a 16 bit binary fractional field.
+ * Instead of calculating either one of
+ *
+ * scaled_ppm = (ppb / 1000) << 16 [1]
+ * scaled_ppm = (ppb << 16) / 1000 [2]
+ *
+ * we simply use double precision math, in order to avoid the
+ * truncation in [1] and the possible overflow in [2].
+ */
+ return (long) (ppb * 65.536);
+}
+
+static void usage(char *progname)
+{
+ fprintf(stderr,
+ "usage: %s [options]\n"
+ " -a val request a one-shot alarm after 'val' seconds\n"
+ " -A val request a periodic alarm every 'val' seconds\n"
+ " -c query the ptp clock's capabilities\n"
+ " -d name device to open\n"
+ " -e val read 'val' external time stamp events\n"
+ " -f val adjust the ptp clock frequency by 'val' ppb\n"
+ " -g get the ptp clock time\n"
+ " -h prints this message\n"
+ " -p val enable output with a period of 'val' nanoseconds\n"
+ " -P val enable or disable (val=1|0) the system clock PPS\n"
+ " -s set the ptp clock time from the system time\n"
+ " -S set the system time from the ptp clock time\n"
+ " -t val shift the ptp clock time by 'val' seconds\n",
+ progname);
+}
+
+int main(int argc, char *argv[])
+{
+ struct ptp_clock_caps caps;
+ struct ptp_extts_event event;
+ struct ptp_extts_request extts_request;
+ struct ptp_perout_request perout_request;
+ struct timespec ts;
+ struct timex tx;
+
+ static timer_t timerid;
+ struct itimerspec timeout;
+ struct sigevent sigevent;
+
+ char *progname;
+ int c, cnt, fd;
+
+ char *device = DEVICE;
+ clockid_t clkid;
+ int adjfreq = 0x7fffffff;
+ int adjtime = 0;
+ int capabilities = 0;
+ int extts = 0;
+ int gettime = 0;
+ int oneshot = 0;
+ int periodic = 0;
+ int perout = -1;
+ int pps = -1;
+ int settime = 0;
+
+ progname = strrchr(argv[0], '/');
+ progname = progname ? 1+progname : argv[0];
+ while (EOF != (c = getopt(argc, argv, "a:A:cd:e:f:ghp:P:sSt:v"))) {
+ switch (c) {
+ case 'a':
+ oneshot = atoi(optarg);
+ break;
+ case 'A':
+ periodic = atoi(optarg);
+ break;
+ case 'c':
+ capabilities = 1;
+ break;
+ case 'd':
+ device = optarg;
+ break;
+ case 'e':
+ extts = atoi(optarg);
+ break;
+ case 'f':
+ adjfreq = atoi(optarg);
+ break;
+ case 'g':
+ gettime = 1;
+ break;
+ case 'p':
+ perout = atoi(optarg);
+ break;
+ case 'P':
+ pps = atoi(optarg);
+ break;
+ case 's':
+ settime = 1;
+ break;
+ case 'S':
+ settime = 2;
+ break;
+ case 't':
+ adjtime = atoi(optarg);
+ break;
+ case 'h':
+ usage(progname);
+ return 0;
+ case '?':
+ default:
+ usage(progname);
+ return -1;
+ }
+ }
+
+ fd = open(device, O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "opening %s: %s\n", device, strerror(errno));
+ return -1;
+ }
+
+ clkid = get_clockid(fd);
+ if (CLOCK_INVALID == clkid) {
+ fprintf(stderr, "failed to read clock id\n");
+ return -1;
+ }
+
+ if (capabilities) {
+ if (ioctl(fd, PTP_CLOCK_GETCAPS, &caps)) {
+ perror("PTP_CLOCK_GETCAPS");
+ } else {
+ printf("capabilities:\n"
+ " %d maximum frequency adjustment (ppb)\n"
+ " %d programmable alarms\n"
+ " %d external time stamp channels\n"
+ " %d programmable periodic signals\n"
+ " %d pulse per second\n",
+ caps.max_adj,
+ caps.n_alarm,
+ caps.n_ext_ts,
+ caps.n_per_out,
+ caps.pps);
+ }
+ }
+
+ if (0x7fffffff != adjfreq) {
+ memset(&tx, 0, sizeof(tx));
+ tx.modes = ADJ_FREQUENCY;
+ tx.freq = ppb_to_scaled_ppm(adjfreq);
+ if (clock_adjtime(clkid, &tx)) {
+ perror("clock_adjtime");
+ } else {
+ puts("frequency adjustment okay");
+ }
+ }
+
+ if (adjtime) {
+ memset(&tx, 0, sizeof(tx));
+ tx.modes = ADJ_SETOFFSET;
+ tx.time.tv_sec = adjtime;
+ tx.time.tv_usec = 0;
+ if (clock_adjtime(clkid, &tx) < 0) {
+ perror("clock_adjtime");
+ } else {
+ puts("time shift okay");
+ }
+ }
+
+ if (gettime) {
+ if (clock_gettime(clkid, &ts)) {
+ perror("clock_gettime");
+ } else {
+ printf("clock time: %ld.%09ld or %s",
+ ts.tv_sec, ts.tv_nsec, ctime(&ts.tv_sec));
+ }
+ }
+
+ if (settime == 1) {
+ clock_gettime(CLOCK_REALTIME, &ts);
+ if (clock_settime(clkid, &ts)) {
+ perror("clock_settime");
+ } else {
+ puts("set time okay");
+ }
+ }
+
+ if (settime == 2) {
+ clock_gettime(clkid, &ts);
+ if (clock_settime(CLOCK_REALTIME, &ts)) {
+ perror("clock_settime");
+ } else {
+ puts("set time okay");
+ }
+ }
+
+ if (extts) {
+ memset(&extts_request, 0, sizeof(extts_request));
+ extts_request.index = 0;
+ extts_request.flags = PTP_ENABLE_FEATURE;
+ if (ioctl(fd, PTP_EXTTS_REQUEST, &extts_request)) {
+ perror("PTP_EXTTS_REQUEST");
+ extts = 0;
+ } else {
+ puts("external time stamp request okay");
+ }
+ for (; extts; extts--) {
+ cnt = read(fd, &event, sizeof(event));
+ if (cnt != sizeof(event)) {
+ perror("read");
+ break;
+ }
+ printf("event index %u at %lld.%09u\n", event.index,
+ event.t.sec, event.t.nsec);
+ fflush(stdout);
+ }
+ /* Disable the feature again. */
+ extts_request.flags = 0;
+ if (ioctl(fd, PTP_EXTTS_REQUEST, &extts_request)) {
+ perror("PTP_EXTTS_REQUEST");
+ }
+ }
+
+ if (oneshot) {
+ install_handler(SIGALRM, handle_alarm);
+ /* Create a timer. */
+ sigevent.sigev_notify = SIGEV_SIGNAL;
+ sigevent.sigev_signo = SIGALRM;
+ if (timer_create(clkid, &sigevent, &timerid)) {
+ perror("timer_create");
+ return -1;
+ }
+ /* Start the timer. */
+ memset(&timeout, 0, sizeof(timeout));
+ timeout.it_value.tv_sec = oneshot;
+ if (timer_settime(timerid, 0, &timeout, NULL)) {
+ perror("timer_settime");
+ return -1;
+ }
+ pause();
+ timer_delete(timerid);
+ }
+
+ if (periodic) {
+ install_handler(SIGALRM, handle_alarm);
+ /* Create a timer. */
+ sigevent.sigev_notify = SIGEV_SIGNAL;
+ sigevent.sigev_signo = SIGALRM;
+ if (timer_create(clkid, &sigevent, &timerid)) {
+ perror("timer_create");
+ return -1;
+ }
+ /* Start the timer. */
+ memset(&timeout, 0, sizeof(timeout));
+ timeout.it_interval.tv_sec = periodic;
+ timeout.it_value.tv_sec = periodic;
+ if (timer_settime(timerid, 0, &timeout, NULL)) {
+ perror("timer_settime");
+ return -1;
+ }
+ while (1) {
+ pause();
+ }
+ timer_delete(timerid);
+ }
+
+ if (perout >= 0) {
+ if (clock_gettime(clkid, &ts)) {
+ perror("clock_gettime");
+ return -1;
+ }
+ memset(&perout_request, 0, sizeof(perout_request));
+ perout_request.index = 0;
+ perout_request.start.sec = ts.tv_sec + 2;
+ perout_request.start.nsec = 0;
+ perout_request.period.sec = 0;
+ perout_request.period.nsec = perout;
+ if (ioctl(fd, PTP_PEROUT_REQUEST, &perout_request)) {
+ perror("PTP_PEROUT_REQUEST");
+ } else {
+ puts("periodic output request okay");
+ }
+ }
+
+ if (pps != -1) {
+ int enable = pps ? 1 : 0;
+ if (ioctl(fd, PTP_ENABLE_PPS, enable)) {
+ perror("PTP_ENABLE_PPS");
+ } else {
+ puts("pps for system time request okay");
+ }
+ }
+
+ close(fd);
+ return 0;
+}
diff --git a/Documentation/ptp/testptp.mk b/Documentation/ptp/testptp.mk
new file mode 100644
index 000000000000..4ef2d9755421
--- /dev/null
+++ b/Documentation/ptp/testptp.mk
@@ -0,0 +1,33 @@
+# PTP 1588 clock support - User space test program
+#
+# Copyright (C) 2010 OMICRON electronics GmbH
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+CC = $(CROSS_COMPILE)gcc
+INC = -I$(KBUILD_OUTPUT)/usr/include
+CFLAGS = -Wall $(INC)
+LDLIBS = -lrt
+PROGS = testptp
+
+all: $(PROGS)
+
+testptp: testptp.o
+
+clean:
+ rm -f testptp.o
+
+distclean: clean
+ rm -f $(PROGS)
diff --git a/Documentation/virtual/uml/UserModeLinux-HOWTO.txt b/Documentation/virtual/uml/UserModeLinux-HOWTO.txt
index 9b7e1904db1c..5d0fc8bfcdb9 100644
--- a/Documentation/virtual/uml/UserModeLinux-HOWTO.txt
+++ b/Documentation/virtual/uml/UserModeLinux-HOWTO.txt
@@ -1182,6 +1182,16 @@
forge.net/> and explains these in detail, as well as
some other issues.
+ There is also a related point-to-point only "ucast" transport.
+ This is useful when your network does not support multicast, and
+ all network connections are simple point to point links.
+
+ The full set of command line options for this transport are
+
+
+ ethn=ucast,ethernet address,remote address,listen port,remote port
+
+
66..66.. TTUUNN//TTAAPP wwiitthh tthhee uummll__nneett hheellppeerr
diff --git a/Documentation/vm/cleancache.txt b/Documentation/vm/cleancache.txt
new file mode 100644
index 000000000000..36c367c73084
--- /dev/null
+++ b/Documentation/vm/cleancache.txt
@@ -0,0 +1,278 @@
+MOTIVATION
+
+Cleancache is a new optional feature provided by the VFS layer that
+potentially dramatically increases page cache effectiveness for
+many workloads in many environments at a negligible cost.
+
+Cleancache can be thought of as a page-granularity victim cache for clean
+pages that the kernel's pageframe replacement algorithm (PFRA) would like
+to keep around, but can't since there isn't enough memory. So when the
+PFRA "evicts" a page, it first attempts to use cleancache code to
+put the data contained in that page into "transcendent memory", memory
+that is not directly accessible or addressable by the kernel and is
+of unknown and possibly time-varying size.
+
+Later, when a cleancache-enabled filesystem wishes to access a page
+in a file on disk, it first checks cleancache to see if it already
+contains it; if it does, the page of data is copied into the kernel
+and a disk access is avoided.
+
+Transcendent memory "drivers" for cleancache are currently implemented
+in Xen (using hypervisor memory) and zcache (using in-kernel compressed
+memory) and other implementations are in development.
+
+FAQs are included below.
+
+IMPLEMENTATION OVERVIEW
+
+A cleancache "backend" that provides transcendent memory registers itself
+to the kernel's cleancache "frontend" by calling cleancache_register_ops,
+passing a pointer to a cleancache_ops structure with funcs set appropriately.
+Note that cleancache_register_ops returns the previous settings so that
+chaining can be performed if desired. The functions provided must conform to
+certain semantics as follows:
+
+Most important, cleancache is "ephemeral". Pages which are copied into
+cleancache have an indefinite lifetime which is completely unknowable
+by the kernel and so may or may not still be in cleancache at any later time.
+Thus, as its name implies, cleancache is not suitable for dirty pages.
+Cleancache has complete discretion over what pages to preserve and what
+pages to discard and when.
+
+Mounting a cleancache-enabled filesystem should call "init_fs" to obtain a
+pool id which, if positive, must be saved in the filesystem's superblock;
+a negative return value indicates failure. A "put_page" will copy a
+(presumably about-to-be-evicted) page into cleancache and associate it with
+the pool id, a file key, and a page index into the file. (The combination
+of a pool id, a file key, and an index is sometimes called a "handle".)
+A "get_page" will copy the page, if found, from cleancache into kernel memory.
+A "flush_page" will ensure the page no longer is present in cleancache;
+a "flush_inode" will flush all pages associated with the specified file;
+and, when a filesystem is unmounted, a "flush_fs" will flush all pages in
+all files specified by the given pool id and also surrender the pool id.
+
+An "init_shared_fs", like init_fs, obtains a pool id but tells cleancache
+to treat the pool as shared using a 128-bit UUID as a key. On systems
+that may run multiple kernels (such as hard partitioned or virtualized
+systems) that may share a clustered filesystem, and where cleancache
+may be shared among those kernels, calls to init_shared_fs that specify the
+same UUID will receive the same pool id, thus allowing the pages to
+be shared. Note that any security requirements must be imposed outside
+of the kernel (e.g. by "tools" that control cleancache). Or a
+cleancache implementation can simply disable shared_init by always
+returning a negative value.
+
+If a get_page is successful on a non-shared pool, the page is flushed (thus
+making cleancache an "exclusive" cache). On a shared pool, the page
+is NOT flushed on a successful get_page so that it remains accessible to
+other sharers. The kernel is responsible for ensuring coherency between
+cleancache (shared or not), the page cache, and the filesystem, using
+cleancache flush operations as required.
+
+Note that cleancache must enforce put-put-get coherency and get-get
+coherency. For the former, if two puts are made to the same handle but
+with different data, say AAA by the first put and BBB by the second, a
+subsequent get can never return the stale data (AAA). For get-get coherency,
+if a get for a given handle fails, subsequent gets for that handle will
+never succeed unless preceded by a successful put with that handle.
+
+Last, cleancache provides no SMP serialization guarantees; if two
+different Linux threads are simultaneously putting and flushing a page
+with the same handle, the results are indeterminate. Callers must
+lock the page to ensure serial behavior.
+
+CLEANCACHE PERFORMANCE METRICS
+
+Cleancache monitoring is done by sysfs files in the
+/sys/kernel/mm/cleancache directory. The effectiveness of cleancache
+can be measured (across all filesystems) with:
+
+succ_gets - number of gets that were successful
+failed_gets - number of gets that failed
+puts - number of puts attempted (all "succeed")
+flushes - number of flushes attempted
+
+A backend implementatation may provide additional metrics.
+
+FAQ
+
+1) Where's the value? (Andrew Morton)
+
+Cleancache provides a significant performance benefit to many workloads
+in many environments with negligible overhead by improving the
+effectiveness of the pagecache. Clean pagecache pages are
+saved in transcendent memory (RAM that is otherwise not directly
+addressable to the kernel); fetching those pages later avoids "refaults"
+and thus disk reads.
+
+Cleancache (and its sister code "frontswap") provide interfaces for
+this transcendent memory (aka "tmem"), which conceptually lies between
+fast kernel-directly-addressable RAM and slower DMA/asynchronous devices.
+Disallowing direct kernel or userland reads/writes to tmem
+is ideal when data is transformed to a different form and size (such
+as with compression) or secretly moved (as might be useful for write-
+balancing for some RAM-like devices). Evicted page-cache pages (and
+swap pages) are a great use for this kind of slower-than-RAM-but-much-
+faster-than-disk transcendent memory, and the cleancache (and frontswap)
+"page-object-oriented" specification provides a nice way to read and
+write -- and indirectly "name" -- the pages.
+
+In the virtual case, the whole point of virtualization is to statistically
+multiplex physical resources across the varying demands of multiple
+virtual machines. This is really hard to do with RAM and efforts to
+do it well with no kernel change have essentially failed (except in some
+well-publicized special-case workloads). Cleancache -- and frontswap --
+with a fairly small impact on the kernel, provide a huge amount
+of flexibility for more dynamic, flexible RAM multiplexing.
+Specifically, the Xen Transcendent Memory backend allows otherwise
+"fallow" hypervisor-owned RAM to not only be "time-shared" between multiple
+virtual machines, but the pages can be compressed and deduplicated to
+optimize RAM utilization. And when guest OS's are induced to surrender
+underutilized RAM (e.g. with "self-ballooning"), page cache pages
+are the first to go, and cleancache allows those pages to be
+saved and reclaimed if overall host system memory conditions allow.
+
+And the identical interface used for cleancache can be used in
+physical systems as well. The zcache driver acts as a memory-hungry
+device that stores pages of data in a compressed state. And
+the proposed "RAMster" driver shares RAM across multiple physical
+systems.
+
+2) Why does cleancache have its sticky fingers so deep inside the
+ filesystems and VFS? (Andrew Morton and Christoph Hellwig)
+
+The core hooks for cleancache in VFS are in most cases a single line
+and the minimum set are placed precisely where needed to maintain
+coherency (via cleancache_flush operations) between cleancache,
+the page cache, and disk. All hooks compile into nothingness if
+cleancache is config'ed off and turn into a function-pointer-
+compare-to-NULL if config'ed on but no backend claims the ops
+functions, or to a compare-struct-element-to-negative if a
+backend claims the ops functions but a filesystem doesn't enable
+cleancache.
+
+Some filesystems are built entirely on top of VFS and the hooks
+in VFS are sufficient, so don't require an "init_fs" hook; the
+initial implementation of cleancache didn't provide this hook.
+But for some filesystems (such as btrfs), the VFS hooks are
+incomplete and one or more hooks in fs-specific code are required.
+And for some other filesystems, such as tmpfs, cleancache may
+be counterproductive. So it seemed prudent to require a filesystem
+to "opt in" to use cleancache, which requires adding a hook in
+each filesystem. Not all filesystems are supported by cleancache
+only because they haven't been tested. The existing set should
+be sufficient to validate the concept, the opt-in approach means
+that untested filesystems are not affected, and the hooks in the
+existing filesystems should make it very easy to add more
+filesystems in the future.
+
+The total impact of the hooks to existing fs and mm files is only
+about 40 lines added (not counting comments and blank lines).
+
+3) Why not make cleancache asynchronous and batched so it can
+ more easily interface with real devices with DMA instead
+ of copying each individual page? (Minchan Kim)
+
+The one-page-at-a-time copy semantics simplifies the implementation
+on both the frontend and backend and also allows the backend to
+do fancy things on-the-fly like page compression and
+page deduplication. And since the data is "gone" (copied into/out
+of the pageframe) before the cleancache get/put call returns,
+a great deal of race conditions and potential coherency issues
+are avoided. While the interface seems odd for a "real device"
+or for real kernel-addressable RAM, it makes perfect sense for
+transcendent memory.
+
+4) Why is non-shared cleancache "exclusive"? And where is the
+ page "flushed" after a "get"? (Minchan Kim)
+
+The main reason is to free up space in transcendent memory and
+to avoid unnecessary cleancache_flush calls. If you want inclusive,
+the page can be "put" immediately following the "get". If
+put-after-get for inclusive becomes common, the interface could
+be easily extended to add a "get_no_flush" call.
+
+The flush is done by the cleancache backend implementation.
+
+5) What's the performance impact?
+
+Performance analysis has been presented at OLS'09 and LCA'10.
+Briefly, performance gains can be significant on most workloads,
+especially when memory pressure is high (e.g. when RAM is
+overcommitted in a virtual workload); and because the hooks are
+invoked primarily in place of or in addition to a disk read/write,
+overhead is negligible even in worst case workloads. Basically
+cleancache replaces I/O with memory-copy-CPU-overhead; on older
+single-core systems with slow memory-copy speeds, cleancache
+has little value, but in newer multicore machines, especially
+consolidated/virtualized machines, it has great value.
+
+6) How do I add cleancache support for filesystem X? (Boaz Harrash)
+
+Filesystems that are well-behaved and conform to certain
+restrictions can utilize cleancache simply by making a call to
+cleancache_init_fs at mount time. Unusual, misbehaving, or
+poorly layered filesystems must either add additional hooks
+and/or undergo extensive additional testing... or should just
+not enable the optional cleancache.
+
+Some points for a filesystem to consider:
+
+- The FS should be block-device-based (e.g. a ram-based FS such
+ as tmpfs should not enable cleancache)
+- To ensure coherency/correctness, the FS must ensure that all
+ file removal or truncation operations either go through VFS or
+ add hooks to do the equivalent cleancache "flush" operations
+- To ensure coherency/correctness, either inode numbers must
+ be unique across the lifetime of the on-disk file OR the
+ FS must provide an "encode_fh" function.
+- The FS must call the VFS superblock alloc and deactivate routines
+ or add hooks to do the equivalent cleancache calls done there.
+- To maximize performance, all pages fetched from the FS should
+ go through the do_mpag_readpage routine or the FS should add
+ hooks to do the equivalent (cf. btrfs)
+- Currently, the FS blocksize must be the same as PAGESIZE. This
+ is not an architectural restriction, but no backends currently
+ support anything different.
+- A clustered FS should invoke the "shared_init_fs" cleancache
+ hook to get best performance for some backends.
+
+7) Why not use the KVA of the inode as the key? (Christoph Hellwig)
+
+If cleancache would use the inode virtual address instead of
+inode/filehandle, the pool id could be eliminated. But, this
+won't work because cleancache retains pagecache data pages
+persistently even when the inode has been pruned from the
+inode unused list, and only flushes the data page if the file
+gets removed/truncated. So if cleancache used the inode kva,
+there would be potential coherency issues if/when the inode
+kva is reused for a different file. Alternately, if cleancache
+flushed the pages when the inode kva was freed, much of the value
+of cleancache would be lost because the cache of pages in cleanache
+is potentially much larger than the kernel pagecache and is most
+useful if the pages survive inode cache removal.
+
+8) Why is a global variable required?
+
+The cleancache_enabled flag is checked in all of the frequently-used
+cleancache hooks. The alternative is a function call to check a static
+variable. Since cleancache is enabled dynamically at runtime, systems
+that don't enable cleancache would suffer thousands (possibly
+tens-of-thousands) of unnecessary function calls per second. So the
+global variable allows cleancache to be enabled by default at compile
+time, but have insignificant performance impact when cleancache remains
+disabled at runtime.
+
+9) Does cleanache work with KVM?
+
+The memory model of KVM is sufficiently different that a cleancache
+backend may have less value for KVM. This remains to be tested,
+especially in an overcommitted system.
+
+10) Does cleancache work in userspace? It sounds useful for
+ memory hungry caches like web browsers. (Jamie Lokier)
+
+No plans yet, though we agree it sounds useful, at least for
+apps that bypass the page cache (e.g. O_DIRECT).
+
+Last updated: Dan Magenheimer, April 13 2011
diff --git a/Documentation/vm/locking b/Documentation/vm/locking
index 25fadb448760..f61228bd6395 100644
--- a/Documentation/vm/locking
+++ b/Documentation/vm/locking
@@ -66,7 +66,7 @@ in some cases it is not really needed. Eg, vm_start is modified by
expand_stack(), it is hard to come up with a destructive scenario without
having the vmlist protection in this case.
-The page_table_lock nests with the inode i_mmap_lock and the kmem cache
+The page_table_lock nests with the inode i_mmap_mutex and the kmem cache
c_spinlock spinlocks. This is okay, since the kmem code asks for pages after
dropping c_spinlock. The page_table_lock also nests with pagecache_lock and
pagemap_lru_lock spinlocks, and no code asks for memory with these locks
diff --git a/MAINTAINERS b/MAINTAINERS
index 0b415248ae25..21a871c0527a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -287,35 +287,35 @@ F: sound/pci/ad1889.*
AD525X ANALOG DEVICES DIGITAL POTENTIOMETERS DRIVER
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/AD5254
S: Supported
F: drivers/misc/ad525x_dpot.c
AD5398 CURRENT REGULATOR DRIVER (AD5398/AD5821)
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/AD5398
S: Supported
F: drivers/regulator/ad5398.c
AD714X CAPACITANCE TOUCH SENSOR DRIVER (AD7142/3/7/8/7A)
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/AD7142
S: Supported
F: drivers/input/misc/ad714x.c
AD7877 TOUCHSCREEN DRIVER
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/AD7877
S: Supported
F: drivers/input/touchscreen/ad7877.c
AD7879 TOUCHSCREEN DRIVER (AD7879/AD7889)
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/AD7879
S: Supported
F: drivers/input/touchscreen/ad7879.c
@@ -341,7 +341,7 @@ F: drivers/net/wireless/adm8211.*
ADP5520 BACKLIGHT DRIVER WITH IO EXPANDER (ADP5520/ADP5501)
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/ADP5520
S: Supported
F: drivers/mfd/adp5520.c
@@ -352,7 +352,7 @@ F: drivers/input/keyboard/adp5520-keys.c
ADP5588 QWERTY KEYPAD AND IO EXPANDER DRIVER (ADP5588/ADP5587)
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/ADP5588
S: Supported
F: drivers/input/keyboard/adp5588-keys.c
@@ -360,7 +360,7 @@ F: drivers/gpio/adp5588-gpio.c
ADP8860 BACKLIGHT DRIVER (ADP8860/ADP8861/ADP8863)
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/ADP8860
S: Supported
F: drivers/video/backlight/adp8860_bl.c
@@ -387,7 +387,7 @@ F: drivers/hwmon/adt7475.c
ADXL34X THREE-AXIS DIGITAL ACCELEROMETER DRIVER (ADXL345/ADXL346)
M: Michael Hennerich <michael.hennerich@analog.com>
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
W: http://wiki.analog.com/ADXL345
S: Supported
F: drivers/input/misc/adxl34x.c
@@ -483,6 +483,13 @@ F: drivers/tty/serial/altera_jtaguart.c
F: include/linux/altera_uart.h
F: include/linux/altera_jtaguart.h
+AMD FAM15H PROCESSOR POWER MONITORING DRIVER
+M: Andreas Herrmann <andreas.herrmann3@amd.com>
+L: lm-sensors@lm-sensors.org
+S: Maintained
+F: Documentation/hwmon/fam15h_power
+F: drivers/hwmon/fam15h_power.c
+
AMD GEODE CS5536 USB DEVICE CONTROLLER DRIVER
M: Thomas Dahlmann <dahlmann.thomas@arcor.de>
L: linux-geode@lists.infradead.org (moderated for non-subscribers)
@@ -526,7 +533,7 @@ S: Maintained
F: drivers/infiniband/hw/amso1100/
ANALOG DEVICES INC ASOC CODEC DRIVERS
-L: device-driver-devel@blackfin.uclinux.org
+L: device-drivers-devel@blackfin.uclinux.org
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
W: http://wiki.analog.com/
S: Supported
@@ -924,6 +931,8 @@ F: drivers/mmc/host/msm_sdcc.h
F: drivers/tty/serial/msm_serial.h
F: drivers/tty/serial/msm_serial.c
F: drivers/platform/msm/
+F: drivers/*/pm8???-*
+F: include/linux/mfd/pm8xxx/
T: git git://codeaurora.org/quic/kernel/davidb/linux-msm.git
S: Maintained
@@ -2034,9 +2043,8 @@ F: net/ax25/ax25_timer.c
F: net/ax25/sysctl_net_ax25.c
DAVICOM FAST ETHERNET (DMFE) NETWORK DRIVER
-M: Tobias Ringstrom <tori@unhappy.mine.nu>
L: netdev@vger.kernel.org
-S: Maintained
+S: Orphan
F: Documentation/networking/dmfe.txt
F: drivers/net/tulip/dmfe.c
@@ -2245,10 +2253,10 @@ F: drivers/gpu/drm/
F: include/drm/
INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets)
-M: Chris Wilson <chris@chris-wilson.co.uk>
+M: Keith Packard <keithp@keithp.com>
L: intel-gfx@lists.freedesktop.org (subscribers-only)
L: dri-devel@lists.freedesktop.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6.git
S: Supported
F: drivers/gpu/drm/i915
F: include/drm/i915*
@@ -3566,9 +3574,16 @@ M: Andrew Morton <akpm@linux-foundation.org>
M: Jan Kara <jack@suse.cz>
L: linux-ext4@vger.kernel.org
S: Maintained
-F: fs/jbd*/
-F: include/linux/ext*jbd*.h
-F: include/linux/jbd*.h
+F: fs/jbd/
+F: include/linux/ext3_jbd.h
+F: include/linux/jbd.h
+
+JOURNALLING LAYER FOR BLOCK DEVICES (JBD2)
+M: "Theodore Ts'o" <tytso@mit.edu>
+L: linux-ext4@vger.kernel.org
+S: Maintained
+F: fs/jbd2/
+F: include/linux/jbd2.h
JSM Neo PCI based serial card
M: Breno Leitao <leitao@linux.vnet.ibm.com>
@@ -3591,10 +3606,9 @@ F: Documentation/hwmon/k8temp
F: drivers/hwmon/k8temp.c
KCONFIG
-M: Roman Zippel <zippel@linux-m68k.org>
+M: Michal Marek <mmarek@suse.cz>
L: linux-kbuild@vger.kernel.org
-Q: http://patchwork.kernel.org/project/linux-kbuild/list/
-S: Maintained
+S: Odd Fixes
F: Documentation/kbuild/kconfig-language.txt
F: scripts/kconfig/
@@ -3898,7 +3912,6 @@ F: drivers/*/*/*pasemi*
LINUX SECURITY MODULE (LSM) FRAMEWORK
M: Chris Wright <chrisw@sous-sol.org>
L: linux-security-module@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/chrisw/lsm-2.6.git
S: Supported
LIS3LV02D ACCELEROMETER DRIVER
@@ -5592,10 +5605,11 @@ M: James Morris <jmorris@namei.org>
M: Eric Paris <eparis@parisplace.org>
L: selinux@tycho.nsa.gov (subscribers-only, general discussion)
W: http://selinuxproject.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6.git
+T: git git://git.infradead.org/users/eparis/selinux.git
S: Supported
F: include/linux/selinux*
F: security/selinux/
+F: scripts/selinux/
APPARMOR SECURITY MODULE
M: John Johansen <john.johansen@canonical.com>
@@ -6795,6 +6809,13 @@ L: lm-sensors@lm-sensors.org
S: Maintained
F: drivers/hwmon/vt8231.c
+VUB300 USB to SDIO/SD/MMC bridge chip
+M: Tony Olech <tony.olech@elandigitalsystems.com>
+L: linux-mmc@vger.kernel.org
+L: linux-usb@vger.kernel.org
+S: Supported
+F: drivers/mmc/host/vub300.c
+
W1 DALLAS'S 1-WIRE BUS
M: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
S: Maintained
diff --git a/Makefile b/Makefile
index a0344a81a893..529d93fa2430 100644
--- a/Makefile
+++ b/Makefile
@@ -103,7 +103,7 @@ ifeq ("$(origin O)", "command line")
endif
ifeq ("$(origin W)", "command line")
- export KBUILD_ENABLE_EXTRA_GCC_CHECKS := 1
+ export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
endif
# That's our default target when none is given on the command line
@@ -220,6 +220,14 @@ ifeq ($(ARCH),sh64)
SRCARCH := sh
endif
+# Additional ARCH settings for tile
+ifeq ($(ARCH),tilepro)
+ SRCARCH := tile
+endif
+ifeq ($(ARCH),tilegx)
+ SRCARCH := tile
+endif
+
# Where to locate arch specific headers
hdr-arch := $(SRCARCH)
@@ -349,7 +357,8 @@ CFLAGS_GCOV = -fprofile-arcs -ftest-coverage
# Use LINUXINCLUDE when you must reference the include/ directory.
# Needed to be compatible with the O= option
-LINUXINCLUDE := -I$(srctree)/arch/$(hdr-arch)/include -Iinclude \
+LINUXINCLUDE := -I$(srctree)/arch/$(hdr-arch)/include \
+ -Iarch/$(hdr-arch)/include/generated -Iinclude \
$(if $(KBUILD_SRC), -I$(srctree)/include) \
-include include/generated/autoconf.h
@@ -382,6 +391,7 @@ export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV
export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE
export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL
+export KBUILD_ARFLAGS
# When compiling out-of-tree modules, put MODVERDIR in the module
# tree rather than in the kernel tree. The kernel tree might
@@ -416,6 +426,12 @@ ifneq ($(KBUILD_SRC),)
$(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
endif
+# Support for using generic headers in asm-generic
+PHONY += asm-generic
+asm-generic:
+ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
+ obj=arch/$(SRCARCH)/include/generated/asm
+
# To make sure we do not include .config for any of the *config targets
# catch them early, and hand them over to scripts/kconfig/Makefile
# It is allowed to specify more targets when calling make, including
@@ -559,6 +575,10 @@ ifndef CONFIG_CC_STACKPROTECTOR
KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
endif
+# This warning generated too much noise in a regular build.
+# Use make W=1 to enable this warning (see scripts/Makefile.build)
+KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
+
ifdef CONFIG_FRAME_POINTER
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
else
@@ -604,7 +624,7 @@ CHECKFLAGS += $(NOSTDINC_FLAGS)
KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
# disable pointer signed / unsigned warnings in gcc 4.0
-KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
+KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
# disable invalid "can't wrap" optimizations for signed / pointers
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
@@ -612,6 +632,9 @@ KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
# conserve stack if available
KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)
+# use the deterministic mode of AR if available
+KBUILD_ARFLAGS := $(call ar-option,D)
+
# check for 'asm goto'
ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y)
KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
@@ -797,15 +820,17 @@ ifdef CONFIG_KALLSYMS
# o The correct .tmp_kallsyms2.o is linked into the final vmlinux.
# o Verify that the System.map from vmlinux matches the map from
# .tmp_vmlinux2, just in case we did not generate kallsyms correctly.
-# o If CONFIG_KALLSYMS_EXTRA_PASS is set, do an extra pass using
+# o If 'make KALLSYMS_EXTRA_PASS=1" was used, do an extra pass using
# .tmp_vmlinux3 and .tmp_kallsyms3.o. This is only meant as a
# temporary bypass to allow the kernel to be built while the
# maintainers work out what went wrong with kallsyms.
-ifdef CONFIG_KALLSYMS_EXTRA_PASS
-last_kallsyms := 3
-else
last_kallsyms := 2
+
+ifdef KALLSYMS_EXTRA_PASS
+ifneq ($(KALLSYMS_EXTRA_PASS),0)
+last_kallsyms := 3
+endif
endif
kallsyms.o := .tmp_kallsyms$(last_kallsyms).o
@@ -816,7 +841,8 @@ define verify_kallsyms
$(cmd_sysmap) .tmp_vmlinux$(last_kallsyms) .tmp_System.map
$(Q)cmp -s System.map .tmp_System.map || \
(echo Inconsistent kallsyms data; \
- echo Try setting CONFIG_KALLSYMS_EXTRA_PASS; \
+ echo This is a bug - please report about it; \
+ echo Try "make KALLSYMS_EXTRA_PASS=1" as a workaround; \
rm .tmp_kallsyms* ; /bin/false )
endef
@@ -947,7 +973,7 @@ ifneq ($(KBUILD_SRC),)
endif
# prepare2 creates a makefile if using a separate output directory
-prepare2: prepare3 outputmakefile
+prepare2: prepare3 outputmakefile asm-generic
prepare1: prepare2 include/linux/version.h include/generated/utsrelease.h \
include/config/auto.conf
@@ -991,7 +1017,8 @@ include/generated/utsrelease.h: include/config/kernel.release FORCE
PHONY += headerdep
headerdep:
- $(Q)find include/ -name '*.h' | xargs --max-args 1 scripts/headerdep.pl
+ $(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \
+ $(srctree)/scripts/headerdep.pl -I$(srctree)/include
# ---------------------------------------------------------------------------
@@ -1021,7 +1048,7 @@ hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm)
PHONY += __headers
-__headers: include/linux/version.h scripts_basic FORCE
+__headers: include/linux/version.h scripts_basic asm-generic FORCE
$(Q)$(MAKE) $(build)=scripts build_unifdef
PHONY += headers_install_all
@@ -1136,7 +1163,8 @@ CLEAN_FILES += vmlinux System.map \
.tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map
# Directories & files removed with 'make mrproper'
-MRPROPER_DIRS += include/config usr/include include/generated
+MRPROPER_DIRS += include/config usr/include include/generated \
+ arch/*/include/generated
MRPROPER_FILES += .config .config.old .version .old_version \
include/linux/version.h \
Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
@@ -1267,7 +1295,11 @@ help:
@echo ' make O=dir [targets] Locate all output files in "dir", including .config'
@echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
@echo ' make C=2 [targets] Force check of all c source with $$CHECK'
- @echo ' make W=1 [targets] Enable extra gcc checks'
+ @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
+ @echo ' 1: warnings which may be relevant and do not occur too often'
+ @echo ' 2: warnings which occur quite often but may still be relevant'
+ @echo ' 3: more obscure warnings, can most likely be ignored'
+ @echo ' Multiple levels can be combined with W=12 or W=123'
@echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
@echo ''
@echo 'Execute "make" or "make all" to build all targets marked with [*] '
@@ -1291,6 +1323,7 @@ $(help-board-dirs): help-%:
# Documentation targets
# ---------------------------------------------------------------------------
%docs: scripts_basic FORCE
+ $(Q)$(MAKE) $(build)=scripts build_docproc
$(Q)$(MAKE) $(build)=Documentation/DocBook $@
else # KBUILD_EXTMOD
@@ -1375,7 +1408,7 @@ endif # KBUILD_EXTMOD
clean: $(clean-dirs)
$(call cmd,rmdirs)
$(call cmd,rmfiles)
- @find $(or $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
+ @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
-o -name '*.symtypes' -o -name 'modules.order' \
@@ -1393,13 +1426,15 @@ tags TAGS cscope gtags: FORCE
# Scripts to check various things for consistency
# ---------------------------------------------------------------------------
+PHONY += includecheck versioncheck coccicheck namespacecheck export_report
+
includecheck:
- find * $(RCS_FIND_IGNORE) \
+ find $(srctree)/* $(RCS_FIND_IGNORE) \
-name '*.[hcS]' -type f -print | sort \
| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl
versioncheck:
- find * $(RCS_FIND_IGNORE) \
+ find $(srctree)/* $(RCS_FIND_IGNORE) \
-name '*.[hcS]' -type f -print | sort \
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl
diff --git a/arch/Kconfig b/arch/Kconfig
index 8d24bacaa61e..26b0e2397a57 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -175,4 +175,7 @@ config HAVE_ARCH_JUMP_LABEL
config HAVE_ARCH_MUTEX_CPU_RELAX
bool
+config HAVE_RCU_TABLE_FREE
+ bool
+
source "kernel/gcov/Kconfig"
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 9808998cc073..e3a82775f9da 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -12,6 +12,7 @@ config ALPHA
select GENERIC_IRQ_PROBE
select AUTO_IRQ_AFFINITY if SMP
select GENERIC_IRQ_SHOW
+ select ARCH_WANT_OPTIONAL_GPIOLIB
help
The Alpha is a 64-bit general-purpose processor designed and
marketed by the Digital Equipment Corporation of blessed memory,
@@ -51,6 +52,9 @@ config GENERIC_CALIBRATE_DELAY
config GENERIC_CMOS_UPDATE
def_bool y
+config GENERIC_GPIO
+ def_bool y
+
config ZONE_DMA
bool
default y
diff --git a/arch/alpha/include/asm/gpio.h b/arch/alpha/include/asm/gpio.h
new file mode 100644
index 000000000000..7dc6a6343c06
--- /dev/null
+++ b/arch/alpha/include/asm/gpio.h
@@ -0,0 +1,55 @@
+/*
+ * Generic GPIO API implementation for Alpha.
+ *
+ * A stright copy of that for PowerPC which was:
+ *
+ * Copyright (c) 2007-2008 MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef _ASM_ALPHA_GPIO_H
+#define _ASM_ALPHA_GPIO_H
+
+#include <linux/errno.h>
+#include <asm-generic/gpio.h>
+
+#ifdef CONFIG_GPIOLIB
+
+/*
+ * We don't (yet) implement inlined/rapid versions for on-chip gpios.
+ * Just call gpiolib.
+ */
+static inline int gpio_get_value(unsigned int gpio)
+{
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+ __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+ return __gpio_cansleep(gpio);
+}
+
+static inline int gpio_to_irq(unsigned int gpio)
+{
+ return __gpio_to_irq(gpio);
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* _ASM_ALPHA_GPIO_H */
diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h
index 3f390e8cc0b3..c46e714aa3e0 100644
--- a/arch/alpha/include/asm/smp.h
+++ b/arch/alpha/include/asm/smp.h
@@ -39,8 +39,6 @@ struct cpuinfo_alpha {
extern struct cpuinfo_alpha cpu_data[NR_CPUS];
-#define PROC_CHANGE_PENALTY 20
-
#define hard_smp_processor_id() __hard_smp_processor_id()
#define raw_smp_processor_id() (current_thread_info()->cpu)
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 3ec35066f1dc..838eac128409 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -121,7 +121,7 @@ common_shutdown_1(void *generic_ptr)
/* Wait for the secondaries to halt. */
set_cpu_present(boot_cpuid, false);
set_cpu_possible(boot_cpuid, false);
- while (cpus_weight(cpu_present_map))
+ while (cpumask_weight(cpu_present_mask))
barrier();
#endif
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index edbddcbd5bc6..cc0fd862cf26 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -1257,7 +1257,7 @@ show_cpuinfo(struct seq_file *f, void *slot)
#ifdef CONFIG_SMP
seq_printf(f, "cpus active\t\t: %u\n"
"cpu active mask\t\t: %016lx\n",
- num_online_cpus(), cpus_addr(cpu_possible_map)[0]);
+ num_online_cpus(), cpumask_bits(cpu_possible_mask)[0]);
#endif
show_cache_size (f, "L1 Icache", alpha_l1i_cacheshape);
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 5a621c6d22ab..d739703608fc 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -451,7 +451,7 @@ setup_smp(void)
}
printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_map = %lx\n",
- smp_num_probed, cpu_present_map.bits[0]);
+ smp_num_probed, cpumask_bits(cpu_present_mask)[0]);
}
/*
@@ -629,8 +629,9 @@ smp_send_reschedule(int cpu)
void
smp_send_stop(void)
{
- cpumask_t to_whom = cpu_possible_map;
- cpu_clear(smp_processor_id(), to_whom);
+ cpumask_t to_whom;
+ cpumask_copy(&to_whom, cpu_possible_mask);
+ cpumask_clear_cpu(smp_processor_id(), &to_whom);
#ifdef DEBUG_IPI_MSG
if (hard_smp_processor_id() != boot_cpu_id)
printk(KERN_WARNING "smp_send_stop: Not on boot cpu.\n");
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index 5ac00fd4cd0c..f8856829c22a 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -140,7 +140,7 @@ cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
for (cpu = 0; cpu < 4; cpu++) {
unsigned long aff = cpu_irq_affinity[cpu];
- if (cpu_isset(cpu, affinity))
+ if (cpumask_test_cpu(cpu, &affinity))
aff |= 1UL << irq;
else
aff &= ~(1UL << irq);
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index fea0e4620994..6994407e242a 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -65,10 +65,11 @@ titan_update_irq_hw(unsigned long mask)
register int bcpu = boot_cpuid;
#ifdef CONFIG_SMP
- cpumask_t cpm = cpu_present_map;
+ cpumask_t cpm;
volatile unsigned long *dim0, *dim1, *dim2, *dim3;
unsigned long mask0, mask1, mask2, mask3, dummy;
+ cpumask_copy(&cpm, cpu_present_mask);
mask &= ~isa_enable;
mask0 = mask & titan_cpu_irq_affinity[0];
mask1 = mask & titan_cpu_irq_affinity[1];
@@ -84,10 +85,10 @@ titan_update_irq_hw(unsigned long mask)
dim1 = &cchip->dim1.csr;
dim2 = &cchip->dim2.csr;
dim3 = &cchip->dim3.csr;
- if (!cpu_isset(0, cpm)) dim0 = &dummy;
- if (!cpu_isset(1, cpm)) dim1 = &dummy;
- if (!cpu_isset(2, cpm)) dim2 = &dummy;
- if (!cpu_isset(3, cpm)) dim3 = &dummy;
+ if (!cpumask_test_cpu(0, &cpm)) dim0 = &dummy;
+ if (!cpumask_test_cpu(1, &cpm)) dim1 = &dummy;
+ if (!cpumask_test_cpu(2, &cpm)) dim2 = &dummy;
+ if (!cpumask_test_cpu(3, &cpm)) dim3 = &dummy;
*dim0 = mask0;
*dim1 = mask1;
@@ -137,7 +138,7 @@ titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
int cpu;
for (cpu = 0; cpu < 4; cpu++) {
- if (cpu_isset(cpu, affinity))
+ if (cpumask_test_cpu(cpu, &affinity))
titan_cpu_irq_affinity[cpu] |= 1UL << irq;
else
titan_cpu_irq_affinity[cpu] &= ~(1UL << irq);
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S
index 3d890a98a08b..f937ad123852 100644
--- a/arch/alpha/kernel/vmlinux.lds.S
+++ b/arch/alpha/kernel/vmlinux.lds.S
@@ -39,7 +39,7 @@ SECTIONS
__init_begin = ALIGN(PAGE_SIZE);
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16)
- PERCPU(L1_CACHE_BYTES, PAGE_SIZE)
+ PERCPU_SECTION(L1_CACHE_BYTES)
/* Align to THREAD_SIZE rather than PAGE_SIZE here so any padding page
needed for the THREAD_SIZE aligned init_task gets freed after init */
. = ALIGN(THREAD_SIZE);
diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 86425ab53bf5..69d0c5761e2f 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -32,8 +32,6 @@
#include <asm/console.h>
#include <asm/tlb.h>
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
extern void die_if_kernel(char *,struct pt_regs *,long);
static struct pcb_struct original_pcb;
diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
index 7b2c56d8f930..3973ae395772 100644
--- a/arch/alpha/mm/numa.c
+++ b/arch/alpha/mm/numa.c
@@ -313,6 +313,7 @@ void __init paging_init(void)
zones_size[ZONE_DMA] = dma_local_pfn;
zones_size[ZONE_NORMAL] = (end_pfn - start_pfn) - dma_local_pfn;
}
+ node_set_state(nid, N_NORMAL_MEMORY);
free_area_init_node(nid, zones_size, start_pfn, NULL);
}
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 03d01d783e3b..81cbe40c159c 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -63,13 +63,6 @@ config DEBUG_USER
8 - SIGSEGV faults
16 - SIGBUS faults
-config DEBUG_STACK_USAGE
- bool "Enable stack utilization instrumentation"
- depends on DEBUG_KERNEL
- help
- Enables the display of the minimum amount of free stack which each
- task has ever had available in the sysrq-T output.
-
# These options are only for real kernel hackers who want to get their hands dirty.
config DEBUG_LL
bool "Kernel low-level debugging functions"
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index 076db52ff672..d5f00d7eb075 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -21,58 +21,22 @@ CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_ARCH_OMAP=y
-CONFIG_ARCH_OMAP2=y
-CONFIG_ARCH_OMAP3=y
-CONFIG_ARCH_OMAP4=y
CONFIG_OMAP_RESET_CLOCKS=y
CONFIG_OMAP_MUX_DEBUG=y
-CONFIG_OMAP_32K_TIMER=y
-CONFIG_MACH_OMAP_GENERIC=y
-CONFIG_ARCH_OMAP2420=y
-CONFIG_ARCH_OMAP2430=y
-CONFIG_ARCH_OMAP3430=y
-CONFIG_MACH_OMAP_H4=y
-CONFIG_MACH_OMAP_APOLLON=y
-CONFIG_MACH_OMAP_2430SDP=y
-CONFIG_MACH_OMAP3_BEAGLE=y
-CONFIG_MACH_DEVKIT8000=y
-CONFIG_MACH_OMAP_LDP=y
-CONFIG_MACH_OVERO=y
-CONFIG_MACH_OMAP3EVM=y
-CONFIG_MACH_OMAP3517EVM=y
-CONFIG_MACH_OMAP3_PANDORA=y
-CONFIG_MACH_OMAP3_TOUCHBOOK=y
-CONFIG_MACH_OMAP_3430SDP=y
-CONFIG_MACH_NOKIA_N8X0=y
-CONFIG_MACH_NOKIA_RX51=y
-CONFIG_MACH_OMAP_ZOOM2=y
-CONFIG_MACH_OMAP_ZOOM3=y
-CONFIG_MACH_CM_T35=y
-CONFIG_MACH_IGEP0020=y
-CONFIG_MACH_SBC3530=y
-CONFIG_MACH_OMAP_3630SDP=y
-CONFIG_MACH_OMAP_4430SDP=y
CONFIG_ARM_THUMBEE=y
-CONFIG_ARM_L1_CACHE_SHIFT=5
CONFIG_ARM_ERRATA_411920=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
-# CONFIG_LOCAL_TIMERS is not set
-CONFIG_AEABI=y
CONFIG_LEDS=y
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_CMDLINE="root=/dev/mmcblk0p2 rootwait console=ttyO2,115200"
CONFIG_KEXEC=y
CONFIG_FPE_NWFPE=y
-CONFIG_VFP=y
-CONFIG_NEON=y
CONFIG_BINFMT_MISC=y
-CONFIG_PM=y
CONFIG_PM_DEBUG=y
-CONFIG_PM_RUNTIME=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
@@ -89,14 +53,6 @@ CONFIG_IP_PNP_RARP=y
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
CONFIG_BT=m
-CONFIG_BT_L2CAP=m
-CONFIG_BT_SCO=m
-CONFIG_BT_RFCOMM=y
-CONFIG_BT_RFCOMM_TTY=y
-CONFIG_BT_BNEP=m
-CONFIG_BT_BNEP_MC_FILTER=y
-CONFIG_BT_BNEP_PROTO_FILTER=y
-CONFIG_BT_HIDP=m
CONFIG_BT_HCIUART=m
CONFIG_BT_HCIUART_H4=y
CONFIG_BT_HCIUART_BCSP=y
@@ -107,11 +63,9 @@ CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_MAC80211_RC_PID=y
CONFIG_MAC80211_RC_DEFAULT_PID=y
-CONFIG_MAC80211_LEDS=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_CONNECTOR=y
CONFIG_MTD=y
-CONFIG_MTD_CONCAT=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
@@ -127,7 +81,6 @@ CONFIG_MTD_UBI=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=16384
-CONFIG_EEPROM_LEGACY=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_SCSI_MULTI_LUN=y
@@ -158,19 +111,15 @@ CONFIG_TOUCHSCREEN_ADS7846=y
CONFIG_INPUT_MISC=y
CONFIG_INPUT_TWL4030_PWRBUTTON=y
CONFIG_VT_HW_CONSOLE_BINDING=y
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
+# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_8250_NR_UARTS=32
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_8250_DETECT_IRQ=y
CONFIG_SERIAL_8250_RSA=y
-# CONFIG_LEGACY_PTYS is not set
CONFIG_HW_RANDOM=y
-CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
-CONFIG_I2C_OMAP=y
CONFIG_SPI=y
CONFIG_SPI_OMAP24XX=y
CONFIG_DEBUG_GPIO=y
@@ -181,10 +130,6 @@ CONFIG_POWER_SUPPLY=y
CONFIG_WATCHDOG=y
CONFIG_OMAP_WATCHDOG=y
CONFIG_TWL4030_WATCHDOG=y
-CONFIG_MENELAUS=y
-CONFIG_TWL4030_CORE=y
-CONFIG_TWL4030_POWER=y
-CONFIG_REGULATOR=y
CONFIG_REGULATOR_TWL4030=y
CONFIG_REGULATOR_TPS65023=y
CONFIG_REGULATOR_TPS6507X=y
@@ -208,7 +153,6 @@ CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=y
CONFIG_LCD_PLATFORM=y
CONFIG_DISPLAY_SUPPORT=y
-# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
CONFIG_FONTS=y
@@ -217,25 +161,20 @@ CONFIG_FONT_8x16=y
CONFIG_LOGO=y
CONFIG_SOUND=m
CONFIG_SND=m
-CONFIG_SND_MIXER_OSS=y
-CONFIG_SND_PCM_OSS=y
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
CONFIG_SND_VERBOSE_PRINTK=y
CONFIG_SND_DEBUG=y
-CONFIG_SND_USB_AUDIO=y
-CONFIG_SND_SOC=y
-CONFIG_SND_OMAP_SOC=y
-CONFIG_SND_OMAP_SOC_OMAP3_PANDORA=y
+CONFIG_SND_USB_AUDIO=m
+CONFIG_SND_SOC=m
+CONFIG_SND_OMAP_SOC=m
+CONFIG_SND_OMAP_SOC_OMAP3_PANDORA=m
CONFIG_USB=y
CONFIG_USB_DEBUG=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_DEVICEFS=y
CONFIG_USB_SUSPEND=y
-# CONFIG_USB_OTG_WHITELIST is not set
CONFIG_USB_MON=y
-# CONFIG_USB_MUSB_HDRC is not set
-# CONFIG_USB_MUSB_OTG is not set
-# CONFIG_USB_GADGET_MUSB_HDRC is not set
-CONFIG_USB_MUSB_DEBUG=y
CONFIG_USB_WDM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_LIBUSUAL=y
@@ -250,18 +189,12 @@ CONFIG_MMC_UNSAFE_RESUME=y
CONFIG_SDIO_UART=y
CONFIG_MMC_OMAP=y
CONFIG_MMC_OMAP_HS=y
-CONFIG_LEDS_CLASS=y
-CONFIG_LEDS_GPIO=y
-CONFIG_LEDS_TRIGGER_TIMER=y
-CONFIG_LEDS_TRIGGER_HEARTBEAT=y
-CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_TWL92330=y
CONFIG_RTC_DRV_TWL4030=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_FS_XATTR is not set
-CONFIG_INOTIFY=y
CONFIG_QUOTA=y
CONFIG_QFMT_V2=y
CONFIG_MSDOS_FS=y
@@ -285,12 +218,10 @@ CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_MAGIC_SYSRQ=y
-CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
CONFIG_PROVE_LOCKING=y
-# CONFIG_LOCK_STAT is not set
CONFIG_DEBUG_SPINLOCK_SLEEP=y
# CONFIG_DEBUG_BUGVERBOSE is not set
CONFIG_DEBUG_INFO=y
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index a87664f54f93..d2b514fd76f4 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -20,12 +20,6 @@
#define raw_smp_processor_id() (current_thread_info()->cpu)
-/*
- * at the moment, there's not a big penalty for changing CPUs
- * (the >big< penalty is running SMP in the first place)
- */
-#define PROC_CHANGE_PENALTY 15
-
struct seq_file;
/*
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 82dfe5d0c41e..265f908c4a6e 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -41,12 +41,12 @@
*/
#if defined(CONFIG_SMP) || defined(CONFIG_CPU_32v7)
#define tlb_fast_mode(tlb) 0
-#define FREE_PTE_NR 500
#else
#define tlb_fast_mode(tlb) 1
-#define FREE_PTE_NR 0
#endif
+#define MMU_GATHER_BUNDLE 8
+
/*
* TLB handling. This allows us to remove pages from the page
* tables, and efficiently handle the TLB issues.
@@ -58,7 +58,9 @@ struct mmu_gather {
unsigned long range_start;
unsigned long range_end;
unsigned int nr;
- struct page *pages[FREE_PTE_NR];
+ unsigned int max;
+ struct page **pages;
+ struct page *local[MMU_GATHER_BUNDLE];
};
DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
@@ -97,26 +99,37 @@ static inline void tlb_add_flush(struct mmu_gather *tlb, unsigned long addr)
}
}
+static inline void __tlb_alloc_page(struct mmu_gather *tlb)
+{
+ unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);
+
+ if (addr) {
+ tlb->pages = (void *)addr;
+ tlb->max = PAGE_SIZE / sizeof(struct page *);
+ }
+}
+
static inline void tlb_flush_mmu(struct mmu_gather *tlb)
{
tlb_flush(tlb);
if (!tlb_fast_mode(tlb)) {
free_pages_and_swap_cache(tlb->pages, tlb->nr);
tlb->nr = 0;
+ if (tlb->pages == tlb->local)
+ __tlb_alloc_page(tlb);
}
}
-static inline struct mmu_gather *
-tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
+static inline void
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int fullmm)
{
- struct mmu_gather *tlb = &get_cpu_var(mmu_gathers);
-
tlb->mm = mm;
- tlb->fullmm = full_mm_flush;
+ tlb->fullmm = fullmm;
tlb->vma = NULL;
+ tlb->max = ARRAY_SIZE(tlb->local);
+ tlb->pages = tlb->local;
tlb->nr = 0;
-
- return tlb;
+ __tlb_alloc_page(tlb);
}
static inline void
@@ -127,7 +140,8 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
/* keep the page table cache within bounds */
check_pgt_cache();
- put_cpu_var(mmu_gathers);
+ if (tlb->pages != tlb->local)
+ free_pages((unsigned long)tlb->pages, 0);
}
/*
@@ -162,15 +176,22 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
tlb_flush(tlb);
}
-static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
+static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
{
if (tlb_fast_mode(tlb)) {
free_page_and_swap_cache(page);
- } else {
- tlb->pages[tlb->nr++] = page;
- if (tlb->nr >= FREE_PTE_NR)
- tlb_flush_mmu(tlb);
+ return 1; /* avoid calling tlb_flush_mmu */
}
+
+ tlb->pages[tlb->nr++] = page;
+ VM_BUG_ON(tlb->nr > tlb->max);
+ return tlb->max - tlb->nr;
+}
+
+static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
+{
+ if (!__tlb_remove_page(tlb, page))
+ tlb_flush_mmu(tlb);
}
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index b4348e62ef06..e5287f21badc 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -82,7 +82,7 @@ SECTIONS
#endif
}
- PERCPU(32, PAGE_SIZE)
+ PERCPU_SECTION(32)
#ifndef CONFIG_XIP_KERNEL
. = ALIGN(PAGE_SIZE);
diff --git a/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h b/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h
new file mode 100644
index 000000000000..292d55ed2113
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h
@@ -0,0 +1,78 @@
+/*
+ * PTP 1588 clock using the IXP46X
+ *
+ * Copyright (C) 2010 OMICRON electronics GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _IXP46X_TS_H_
+#define _IXP46X_TS_H_
+
+#define DEFAULT_ADDEND 0xF0000029
+#define TICKS_NS_SHIFT 4
+
+struct ixp46x_channel_ctl {
+ u32 ch_control; /* 0x40 Time Synchronization Channel Control */
+ u32 ch_event; /* 0x44 Time Synchronization Channel Event */
+ u32 tx_snap_lo; /* 0x48 Transmit Snapshot Low Register */
+ u32 tx_snap_hi; /* 0x4C Transmit Snapshot High Register */
+ u32 rx_snap_lo; /* 0x50 Receive Snapshot Low Register */
+ u32 rx_snap_hi; /* 0x54 Receive Snapshot High Register */
+ u32 src_uuid_lo; /* 0x58 Source UUID0 Low Register */
+ u32 src_uuid_hi; /* 0x5C Sequence Identifier/Source UUID0 High */
+};
+
+struct ixp46x_ts_regs {
+ u32 control; /* 0x00 Time Sync Control Register */
+ u32 event; /* 0x04 Time Sync Event Register */
+ u32 addend; /* 0x08 Time Sync Addend Register */
+ u32 accum; /* 0x0C Time Sync Accumulator Register */
+ u32 test; /* 0x10 Time Sync Test Register */
+ u32 unused; /* 0x14 */
+ u32 rsystime_lo; /* 0x18 RawSystemTime_Low Register */
+ u32 rsystime_hi; /* 0x1C RawSystemTime_High Register */
+ u32 systime_lo; /* 0x20 SystemTime_Low Register */
+ u32 systime_hi; /* 0x24 SystemTime_High Register */
+ u32 trgt_lo; /* 0x28 TargetTime_Low Register */
+ u32 trgt_hi; /* 0x2C TargetTime_High Register */
+ u32 asms_lo; /* 0x30 Auxiliary Slave Mode Snapshot Low */
+ u32 asms_hi; /* 0x34 Auxiliary Slave Mode Snapshot High */
+ u32 amms_lo; /* 0x38 Auxiliary Master Mode Snapshot Low */
+ u32 amms_hi; /* 0x3C Auxiliary Master Mode Snapshot High */
+
+ struct ixp46x_channel_ctl channel[3];
+};
+
+/* 0x00 Time Sync Control Register Bits */
+#define TSCR_AMM (1<<3)
+#define TSCR_ASM (1<<2)
+#define TSCR_TTM (1<<1)
+#define TSCR_RST (1<<0)
+
+/* 0x04 Time Sync Event Register Bits */
+#define TSER_SNM (1<<3)
+#define TSER_SNS (1<<2)
+#define TTIPEND (1<<1)
+
+/* 0x40 Time Synchronization Channel Control Register Bits */
+#define MASTER_MODE (1<<0)
+#define TIMESTAMP_ALL (1<<1)
+
+/* 0x44 Time Synchronization Channel Event Register Bits */
+#define TX_SNAPSHOT_LOCKED (1<<0)
+#define RX_SNAPSHOT_LOCKED (1<<1)
+
+#endif
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index b997a35830fc..19d5891c48e3 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -288,6 +288,7 @@ config MACH_IGEP0030
depends on ARCH_OMAP3
default y
select OMAP_PACKAGE_CBB
+ select MACH_IGEP0020
config MACH_SBC3530
bool "OMAP3 SBC STALKER board"
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 66dfbccacd25..b14807794401 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -229,8 +229,6 @@ obj-$(CONFIG_MACH_CM_T35) += board-cm-t35.o \
obj-$(CONFIG_MACH_CM_T3517) += board-cm-t3517.o
obj-$(CONFIG_MACH_IGEP0020) += board-igep0020.o \
hsmmc.o
-obj-$(CONFIG_MACH_IGEP0030) += board-igep0030.o \
- hsmmc.o
obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK) += board-omap3touchbook.o \
hsmmc.o
obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o \
@@ -270,3 +268,5 @@ obj-$(CONFIG_ARCH_OMAP4) += hwspinlock.o
disp-$(CONFIG_OMAP2_DSS) := display.o
obj-y += $(disp-m) $(disp-y)
+
+obj-y += common-board-devices.o
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 1fa6bb896f41..d54969be0a54 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -41,6 +41,7 @@
#include "mux.h"
#include "hsmmc.h"
+#include "common-board-devices.h"
#define SDP2430_CS0_BASE 0x04000000
#define SECONDARY_LCD_GPIO 147
@@ -180,15 +181,6 @@ static struct twl4030_platform_data sdp2430_twldata = {
.vmmc1 = &sdp2430_vmmc1,
};
-static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
- {
- I2C_BOARD_INFO("twl4030", 0x48),
- .flags = I2C_CLIENT_WAKE,
- .irq = INT_24XX_SYS_NIRQ,
- .platform_data = &sdp2430_twldata,
- },
-};
-
static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = {
{
I2C_BOARD_INFO("isp1301_omap", 0x2D),
@@ -201,8 +193,7 @@ static int __init omap2430_i2c_init(void)
{
omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo,
ARRAY_SIZE(sdp2430_i2c1_boardinfo));
- omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
- ARRAY_SIZE(sdp2430_i2c_boardinfo));
+ omap2_pmic_init("twl4030", &sdp2430_twldata);
return 0;
}
@@ -217,11 +208,6 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
{} /* Terminator */
};
-static struct omap_musb_board_data musb_board_data = {
- .interface_type = MUSB_INTERFACE_ULPI,
- .mode = MUSB_OTG,
- .power = 100,
-};
static struct omap_usb_config sdp2430_usb_config __initdata = {
.otg = 1,
#ifdef CONFIG_USB_GADGET_OMAP
@@ -240,8 +226,6 @@ static struct omap_board_mux board_mux[] __initdata = {
static void __init omap_2430sdp_init(void)
{
- int ret;
-
omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
omap_board_config = sdp2430_config;
@@ -255,14 +239,13 @@ static void __init omap_2430sdp_init(void)
omap2_usbfs_init(&sdp2430_usb_config);
omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
- usb_musb_init(&musb_board_data);
+ usb_musb_init(NULL);
board_smc91x_init();
/* Turn off secondary LCD backlight */
- ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight");
- if (ret == 0)
- gpio_direction_output(SECONDARY_LCD_GPIO, 0);
+ gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
+ "Secondary LCD backlight");
}
static void __init omap_2430sdp_map_io(void)
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 9afd087cc29c..ae2963a98041 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -19,7 +19,6 @@
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
-#include <linux/spi/ads7846.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/io.h>
@@ -37,8 +36,8 @@
#include <plat/common.h>
#include <plat/dma.h>
#include <plat/gpmc.h>
-#include <plat/display.h>
-#include <plat/panel-generic-dpi.h>
+#include <video/omapdss.h>
+#include <video/omap-panel-generic-dpi.h>
#include <plat/gpmc-smc91x.h>
@@ -48,6 +47,7 @@
#include "hsmmc.h"
#include "pm.h"
#include "control.h"
+#include "common-board-devices.h"
#define CONFIG_DISABLE_HFCLK 1
@@ -59,24 +59,6 @@
#define TWL4030_MSECURE_GPIO 22
-/* FIXME: These values need to be updated based on more profiling on 3430sdp*/
-static struct cpuidle_params omap3_cpuidle_params_table[] = {
- /* C1 */
- {1, 2, 2, 5},
- /* C2 */
- {1, 10, 10, 30},
- /* C3 */
- {1, 50, 50, 300},
- /* C4 */
- {1, 1500, 1800, 4000},
- /* C5 */
- {1, 2500, 7500, 12000},
- /* C6 */
- {1, 3000, 8500, 15000},
- /* C7 */
- {1, 10000, 30000, 300000},
-};
-
static uint32_t board_keymap[] = {
KEY(0, 0, KEY_LEFT),
KEY(0, 1, KEY_RIGHT),
@@ -123,63 +105,14 @@ static struct twl4030_keypad_data sdp3430_kp_data = {
.rep = 1,
};
-static int ts_gpio; /* Needed for ads7846_get_pendown_state */
-
-/**
- * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
- *
- * @return - void. If request gpio fails then Flag KERN_ERR.
- */
-static void ads7846_dev_init(void)
-{
- if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) {
- printk(KERN_ERR "can't get ads746 pen down GPIO\n");
- return;
- }
-
- gpio_direction_input(ts_gpio);
- gpio_set_debounce(ts_gpio, 310);
-}
-
-static int ads7846_get_pendown_state(void)
-{
- return !gpio_get_value(ts_gpio);
-}
-
-static struct ads7846_platform_data tsc2046_config __initdata = {
- .get_pendown_state = ads7846_get_pendown_state,
- .keep_vref_on = 1,
- .wakeup = true,
-};
-
-
-static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
- .turbo_mode = 0,
- .single_channel = 1, /* 0: slave, 1: master */
-};
-
-static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
- [0] = {
- /*
- * TSC2046 operates at a max freqency of 2MHz, so
- * operate slightly below at 1.5MHz
- */
- .modalias = "ads7846",
- .bus_num = 1,
- .chip_select = 0,
- .max_speed_hz = 1500000,
- .controller_data = &tsc2046_mcspi_config,
- .irq = 0,
- .platform_data = &tsc2046_config,
- },
-};
-
-
#define SDP3430_LCD_PANEL_BACKLIGHT_GPIO 8
#define SDP3430_LCD_PANEL_ENABLE_GPIO 5
-static unsigned backlight_gpio;
-static unsigned enable_gpio;
+static struct gpio sdp3430_dss_gpios[] __initdata = {
+ {SDP3430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW, "LCD reset" },
+ {SDP3430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW, "LCD Backlight"},
+};
+
static int lcd_enabled;
static int dvi_enabled;
@@ -187,29 +120,11 @@ static void __init sdp3430_display_init(void)
{
int r;
- enable_gpio = SDP3430_LCD_PANEL_ENABLE_GPIO;
- backlight_gpio = SDP3430_LCD_PANEL_BACKLIGHT_GPIO;
-
- r = gpio_request(enable_gpio, "LCD reset");
- if (r) {
- printk(KERN_ERR "failed to get LCD reset GPIO\n");
- goto err0;
- }
-
- r = gpio_request(backlight_gpio, "LCD Backlight");
- if (r) {
- printk(KERN_ERR "failed to get LCD backlight GPIO\n");
- goto err1;
- }
-
- gpio_direction_output(enable_gpio, 0);
- gpio_direction_output(backlight_gpio, 0);
+ r = gpio_request_array(sdp3430_dss_gpios,
+ ARRAY_SIZE(sdp3430_dss_gpios));
+ if (r)
+ printk(KERN_ERR "failed to get LCD control GPIOs\n");
- return;
-err1:
- gpio_free(enable_gpio);
-err0:
- return;
}
static int sdp3430_panel_enable_lcd(struct omap_dss_device *dssdev)
@@ -219,8 +134,8 @@ static int sdp3430_panel_enable_lcd(struct omap_dss_device *dssdev)
return -EINVAL;
}
- gpio_direction_output(enable_gpio, 1);
- gpio_direction_output(backlight_gpio, 1);
+ gpio_direction_output(SDP3430_LCD_PANEL_ENABLE_GPIO, 1);
+ gpio_direction_output(SDP3430_LCD_PANEL_BACKLIGHT_GPIO, 1);
lcd_enabled = 1;
@@ -231,8 +146,8 @@ static void sdp3430_panel_disable_lcd(struct omap_dss_device *dssdev)
{
lcd_enabled = 0;
- gpio_direction_output(enable_gpio, 0);
- gpio_direction_output(backlight_gpio, 0);
+ gpio_direction_output(SDP3430_LCD_PANEL_ENABLE_GPIO, 0);
+ gpio_direction_output(SDP3430_LCD_PANEL_BACKLIGHT_GPIO, 0);
}
static int sdp3430_panel_enable_dvi(struct omap_dss_device *dssdev)
@@ -360,12 +275,10 @@ static int sdp3430_twl_gpio_setup(struct device *dev,
omap2_hsmmc_init(mmc);
/* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
- gpio_request(gpio + 7, "sub_lcd_en_bkl");
- gpio_direction_output(gpio + 7, 0);
+ gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "sub_lcd_en_bkl");
/* gpio + 15 is "sub_lcd_nRST" (output) */
- gpio_request(gpio + 15, "sub_lcd_nRST");
- gpio_direction_output(gpio + 15, 0);
+ gpio_request_one(gpio + 15, GPIOF_OUT_INIT_LOW, "sub_lcd_nRST");
return 0;
}
@@ -580,20 +493,10 @@ static struct twl4030_platform_data sdp3430_twldata = {
.vpll2 = &sdp3430_vpll2,
};
-static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
- {
- I2C_BOARD_INFO("twl4030", 0x48),
- .flags = I2C_CLIENT_WAKE,
- .irq = INT_34XX_SYS_NIRQ,
- .platform_data = &sdp3430_twldata,
- },
-};
-
static int __init omap3430_i2c_init(void)
{
/* i2c1 for PMIC only */
- omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
- ARRAY_SIZE(sdp3430_i2c_boardinfo));
+ omap3_pmic_init("twl4030", &sdp3430_twldata);
/* i2c2 on camera connector (for sensor control) and optional isp1301 */
omap_register_i2c_bus(2, 400, NULL, 0);
/* i2c3 on display connector (for DVI, tfp410) */
@@ -872,30 +775,22 @@ static struct flash_partitions sdp_flash_partitions[] = {
},
};
-static struct omap_musb_board_data musb_board_data = {
- .interface_type = MUSB_INTERFACE_ULPI,
- .mode = MUSB_OTG,
- .power = 100,
-};
-
static void __init omap_3430sdp_init(void)
{
+ int gpio_pendown;
+
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap_board_config = sdp3430_config;
omap_board_config_size = ARRAY_SIZE(sdp3430_config);
- omap3_pm_init_cpuidle(omap3_cpuidle_params_table);
omap3430_i2c_init();
omap_display_init(&sdp3430_dss_data);
if (omap_rev() > OMAP3430_REV_ES1_0)
- ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
+ gpio_pendown = SDP3430_TS_GPIO_IRQ_SDPV2;
else
- ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1;
- sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
- spi_register_board_info(sdp3430_spi_board_info,
- ARRAY_SIZE(sdp3430_spi_board_info));
- ads7846_dev_init();
+ gpio_pendown = SDP3430_TS_GPIO_IRQ_SDPV1;
+ omap_ads7846_init(1, gpio_pendown, 310, NULL);
board_serial_init();
- usb_musb_init(&musb_board_data);
+ usb_musb_init(NULL);
board_smc91x_init();
board_flash_init(sdp_flash_partitions, chip_sel_3430, 0);
sdp3430_display_init();
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 56702c5e577f..73fa90bb6953 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -36,12 +36,13 @@
#include <plat/usb.h>
#include <plat/mmc.h>
#include <plat/omap4-keypad.h>
-#include <plat/display.h>
+#include <video/omapdss.h>
#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"
#include "control.h"
+#include "common-board-devices.h"
#define ETH_KS8851_IRQ 34
#define ETH_KS8851_POWER_ON 48
@@ -251,58 +252,22 @@ static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
},
};
+static struct gpio sdp4430_eth_gpios[] __initdata = {
+ { ETH_KS8851_POWER_ON, GPIOF_OUT_INIT_HIGH, "eth_power" },
+ { ETH_KS8851_QUART, GPIOF_OUT_INIT_HIGH, "quart" },
+ { ETH_KS8851_IRQ, GPIOF_IN, "eth_irq" },
+};
+
static int omap_ethernet_init(void)
{
int status;
/* Request of GPIO lines */
+ status = gpio_request_array(sdp4430_eth_gpios,
+ ARRAY_SIZE(sdp4430_eth_gpios));
+ if (status)
+ pr_err("Cannot request ETH GPIOs\n");
- status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
- if (status) {
- pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
- return status;
- }
-
- status = gpio_request(ETH_KS8851_QUART, "quart");
- if (status) {
- pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
- goto error1;
- }
-
- status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
- if (status) {
- pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
- goto error2;
- }
-
- /* Configuration of requested GPIO lines */
-
- status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
- if (status) {
- pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
- goto error3;
- }
-
- status = gpio_direction_output(ETH_KS8851_QUART, 1);
- if (status) {
- pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
- goto error3;
- }
-
- status = gpio_direction_input(ETH_KS8851_IRQ);
- if (status) {
- pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
- goto error3;
- }
-
- return 0;
-
-error3:
- gpio_free(ETH_KS8851_IRQ);
-error2:
- gpio_free(ETH_KS8851_QUART);
-error1:
- gpio_free(ETH_KS8851_POWER_ON);
return status;
}
@@ -575,14 +540,6 @@ static struct twl4030_platform_data sdp4430_twldata = {
.usb = &omap4_usbphy_data
};
-static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = {
- {
- I2C_BOARD_INFO("twl6030", 0x48),
- .flags = I2C_CLIENT_WAKE,
- .irq = OMAP44XX_IRQ_SYS_1N,
- .platform_data = &sdp4430_twldata,
- },
-};
static struct i2c_board_info __initdata sdp4430_i2c_3_boardinfo[] = {
{
I2C_BOARD_INFO("tmp105", 0x48),
@@ -598,12 +555,7 @@ static struct i2c_board_info __initdata sdp4430_i2c_4_boardinfo[] = {
};
static int __init omap4_i2c_init(void)
{
- /*
- * Phoenix Audio IC needs I2C1 to
- * start with 400 KHz or less
- */
- omap_register_i2c_bus(1, 400, sdp4430_i2c_boardinfo,
- ARRAY_SIZE(sdp4430_i2c_boardinfo));
+ omap4_pmic_init("twl6030", &sdp4430_t