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Commit Graph

449561 Commits

Author SHA1 Message Date
Linus Torvalds
1fe9eb1847 Changes to existing drivers:
- Increase DT coverage - arizona, mc13xxx, stmpe-i2c, syscon, sun6i-prcm
  - Regmap use of and/or clean-up - tps65090, twl6040
  - Basic renaming - max14577
  - Use new cpufreq helpers -  db8500-prcmu
  - Increase regulator support - stmpe, arizona, wm5102
  - Reduce legacy GPIO overhead - stmpe
  - Provide necessary remove path - bcm590xx
  - Expand sysfs presence - kempld
  - Move driver specific code out to drivers - rtc-s5m, arizona
  - Clk handling - twl6040
  - Use managed (devm_*) resources - ipaq-micro
  - Clean-up/remove unused/duplicated code - tps65218, sec, pm8921, abx500-core
    		   		     	    db8500-prcmu, menelaus
  - Build/boot/sematic bug fixes - rtsx_usb, stmpe, bcm590xx, abx500, mc13xxx
                                   rdc321x-southbridge, mfd-core, sec, max14577
 				  syscon, cros_ec_spi
  - Constify stuff 		- sm501, tps65910, tps6507x, tps6586x, max77686,
    	    	  		  max8997, kempld, max77693, max8907, rtsx_usb
 				  db8500-prcmu, max8998, wm8400, sec, lp3943,
 				  max14577, as3711, omap-usb-host, ipaq-micro
 Support for new devices:
  - Add support for max77836 into max14577
  - Add support for tps658640 into tps6586x
  - Add support for cros-ec-i2c-tunnel into cros_ec
  - Add new driver for rtsx_usb_sdmmc and rtsx_usb_ms
  - Add new driver for axp20x
  - Add new driver for sun6i-prcm
  - Add new driver for ipaq-micro
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Merge tag 'mfd-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next

Pull MFD updates from Lee Jones:
 "Changes to existing drivers:
   - increase DT coverage: arizona, mc13xxx, stmpe-i2c, syscon,
     sun6i-prcm
   - regmap use of and/or clean-up: tps65090, twl6040
   - basic renaming: max14577
   - use new cpufreq helpers: db8500-prcmu
   - increase regulator support: stmpe, arizona, wm5102
   - reduce legacy GPIO overhead: stmpe
   - provide necessary remove path: bcm590xx
   - expand sysfs presence: kempld
   - move driver specific code out to drivers: rtc-s5m, arizona
   - clk handling: twl6040
   - use managed (devm_*) resources: ipaq-micro
   - clean-up/remove unused/duplicated code: tps65218, sec, pm8921,
     abx500-core, db8500-prcmu, menelaus
   - build/boot/sematic bug fixes: rtsx_usb, stmpe, bcm590xx, abx500,
     mc13xxx, rdc321x-southbridge, mfd-core, sec, max14577, syscon,
     cros_ec_spi
   - constify stuff: sm501, tps65910, tps6507x, tps6586x, max77686,
     max8997, kempld, max77693, max8907, rtsx_usb, db8500-prcmu,
     max8998, wm8400, sec, lp3943, max14577, as3711, omap-usb-host,
     ipaq-micro

  Support for new devices:
   - add support for max77836 into max14577
   - add support for tps658640 into tps6586x
   - add support for cros-ec-i2c-tunnel into cros_ec
   - add new driver for rtsx_usb_sdmmc and rtsx_usb_ms
   - add new driver for axp20x
   - add new driver for sun6i-prcm
   - add new driver for ipaq-micro"

* tag 'mfd-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (77 commits)
  mfd: wm5102: Correct default for LDO Control 2 register
  mfd: menelaus: Use module_i2c_driver
  mfd: tps65218: Terminate of match table
  mfd: db8500-prcmu: Remove check for CONFIG_DBX500_PRCMU_DEBUG
  mfd: ti-keystone-devctrl: Add bindings for device state control
  mfd: palmas: Format the header file
  mfd: abx500-core: Remove unused function abx500_dump_all_banks()
  mfd: arizona: Correct addresses of always-on trigger registers
  mfd: max14577: Cast to architecture agnostic data type
  i2c: ChromeOS EC tunnel driver
  mfd: cros_ec: Sync to the latest cros_ec_commands.h from EC sources
  mfd: cros_ec: spi: Increase cros_ec_spi deadline from 5ms to 100ms
  mfd: cros_ec: spi: Make the cros_ec_spi timeout more reliable
  mfd: cros_ec: spi: Add mutex to cros_ec_spi
  mfd: cros_ec: spi: Calculate delay between transfers correctly
  mfd: arizona: Correct error message for addition of main IRQ chip
  mfd: wm8997: Add registers for high power mode
  mfd: arizona: Add MICVDD to mapped regulators
  mfd: ipaq-micro: Make mfd_cell array const
  mfd: ipaq-micro: Use devm_ioremap_resource()
  ...
2014-06-06 12:08:39 -07:00
Linus Torvalds
0bb4646241 Merge branches 'topic/vsp1' and 'topic/adv76xx' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media into next
Pull updates and DT support for media engines from Mauro Carvalho Chehab.

For Analog Devices ADV7604 and the Renesas VSP1 video processing engines.

* 'topic/vsp1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] v4l: vsp1: Add DT support
  [media] v4l: vsp1: Add DT bindings documentation
  [media] v4l: vsp1: Add BRU support
  [media] v4l: vsp1: Support multi-input entities
  [media] v4l: vsp1: uds: Enable scaling of alpha layer
  [media] v4l: vsp1: Remove unexisting rt clocks

* 'topic/adv76xx' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (21 commits)
  [media] adv7604: Add LLC polarity configuration
  [media] adv7604: Set HPD GPIO direction to output
  [media] adv7604: Add endpoint properties to DT bindings
  [media] adv7604: Add DT support
  [media] adv7604: Specify the default input through platform data
  [media] adv7604: Support hot-plug detect control through a GPIO
  [media] adv7604: Sort headers alphabetically
  [media] adv7604: Replace *_and_or() functions with *_clr_set()
  [media] adv7604: Store I2C addresses and clients in arrays
  [media] adv7604: Inline the to_sd function
  [media] v4l: subdev: Remove deprecated video-level DV timings operations
  [media] adv7604: Remove deprecated video-level DV timings operations
  [media] adv7604: Add pad-level DV timings support
  [media] adv7604: Make output format configurable through pad format operations
  [media] adv7604: Add sink pads
  [media] adv7604: Remove subdev control handlers
  [media] adv7604: Add adv7611 support
  [media] adv7604: Cache register contents when reading multiple bits
  [media] adv7604: Add 16-bit read functions for CP and HDMI
  [media] adv7604: Don't put info string arrays on the stack
  ...
2014-06-06 11:58:47 -07:00
Linus Torvalds
2732ea9e85 IOMMU Updates for Linux v3.16
The changes include:
 
 	* A new IOMMU driver for ARM Renesas SOCs
 
 	* Updates and fixes for the ARM Exynos driver to bring it closer
 	  to a usable state again
 
 	* Convert the AMD IOMMUv2 driver to use the
 	  mmu_notifier->release call-back instead of the task_exit
 	  notifier
 
 	* Random other fixes and minor improvements to a number of other
 	  IOMMU drivers
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Merge tag 'iommu-updates-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu into next

Pull IOMMU updates from Joerg Roedel:
 "The changes include:

   - a new IOMMU driver for ARM Renesas SOCs

   - updates and fixes for the ARM Exynos driver to bring it closer to a
     usable state again

   - convert the AMD IOMMUv2 driver to use the mmu_notifier->release
     call-back instead of the task_exit notifier

   - random other fixes and minor improvements to a number of other
     IOMMU drivers"

* tag 'iommu-updates-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (54 commits)
  iommu/msm: Use devm_ioremap_resource to simplify code
  iommu/amd: Fix recently introduced compile warnings
  arm/ipmmu-vmsa: Fix compile error
  iommu/exynos: Fix checkpatch warning
  iommu/exynos: Fix trivial typo
  iommu/exynos: Remove invalid symbol dependency
  iommu: fsl_pamu.c: Fix for possible null pointer dereference
  iommu/amd: Remove duplicate checking code
  iommu/amd: Handle parallel invalidate_range_start/end calls correctly
  iommu/amd: Remove IOMMUv2 pasid_state_list
  iommu/amd: Implement mmu_notifier_release call-back
  iommu/amd: Convert IOMMUv2 state_table into state_list
  iommu/amd: Don't access IOMMUv2 state_table directly
  iommu/ipmmu-vmsa: Support clearing mappings
  iommu/ipmmu-vmsa: Remove stage 2 PTE bits definitions
  iommu/ipmmu-vmsa: Support 2MB mappings
  iommu/ipmmu-vmsa: Rewrite page table management
  iommu/ipmmu-vmsa: PMD is never folded, PUD always is
  iommu/ipmmu-vmsa: Set the PTE contiguous hint bit when possible
  iommu/ipmmu-vmsa: Define driver-specific page directory sizes
  ...
2014-06-06 11:48:46 -07:00
Linus Torvalds
75bcc84445 SH Driver Update for v3.16
* PM Runtime enhancements targeted for use with
   ARM-based Renesas R-Car Gen2 SoCs
 * Restrict INTC_USERIMASK to SH4A as it is only used there
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Merge tag 'renesas-sh-drivers-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next

Pull SH driver update from Simon Horman:

 - PM Runtime enhancements targeted for use with ARM-based Renesas R-Car
   Gen2 SoCs

 - Restrict INTC_USERIMASK to SH4A as it is only used there

* tag 'renesas-sh-drivers-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  drivers: sh: Enable PM runtime for new R-Car Gen2 SoCs
  drivers: sh: pm_runtime implementation needs to suspend and resume devices
  drivers: sh: Restrict INTC_USERIMASK to SH4A
  drivers: sh: pm_runtime does not need idle callback
2014-06-06 11:44:09 -07:00
Linus Torvalds
cc07aabc53 - Optimised assembly string/memory routines (based on the AArch64 Cortex
Strings library contributed to glibc but re-licensed under GPLv2)
 - Optimised crypto algorithms making use of the ARMv8 crypto extensions
   (together with kernel API for using FPSIMD instructions in interrupt
   context)
 - Ftrace support
 - CPU topology parsing from DT
 - ESR_EL1 (Exception Syndrome Register) exposed to user space signal
   handlers for SIGSEGV/SIGBUS (useful to emulation tools like Qemu)
 - 1GB section linear mapping if applicable
 - Barriers usage clean-up
 - Default pgprot clean-up
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux into next

Pull arm64 updates from Catalin Marinas:
 - Optimised assembly string/memory routines (based on the AArch64
   Cortex Strings library contributed to glibc but re-licensed under
   GPLv2)
 - Optimised crypto algorithms making use of the ARMv8 crypto extensions
   (together with kernel API for using FPSIMD instructions in interrupt
   context)
 - Ftrace support
 - CPU topology parsing from DT
 - ESR_EL1 (Exception Syndrome Register) exposed to user space signal
   handlers for SIGSEGV/SIGBUS (useful to emulation tools like Qemu)
 - 1GB section linear mapping if applicable
 - Barriers usage clean-up
 - Default pgprot clean-up

Conflicts as per Catalin.

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (57 commits)
  arm64: kernel: initialize broadcast hrtimer based clock event device
  arm64: ftrace: Add system call tracepoint
  arm64: ftrace: Add CALLER_ADDRx macros
  arm64: ftrace: Add dynamic ftrace support
  arm64: Add ftrace support
  ftrace: Add arm64 support to recordmcount
  arm64: Add 'notrace' attribute to unwind_frame() for ftrace
  arm64: add __ASSEMBLY__ in asm/insn.h
  arm64: Fix linker script entry point
  arm64: lib: Implement optimized string length routines
  arm64: lib: Implement optimized string compare routines
  arm64: lib: Implement optimized memcmp routine
  arm64: lib: Implement optimized memset routine
  arm64: lib: Implement optimized memmove routine
  arm64: lib: Implement optimized memcpy routine
  arm64: defconfig: enable a few more common/useful options in defconfig
  ftrace: Make CALLER_ADDRx macros more generic
  arm64: Fix deadlock scenario with smp_send_stop()
  arm64: Fix machine_shutdown() definition
  arm64: Support arch_irq_work_raise() via self IPIs
  ...
2014-06-06 10:43:28 -07:00
Linus Torvalds
9e47aaef0b Fix ARM merge mistake in mvebu board file
Russell King points out that my ARM merge (commit eb3d3ec567) was
broken wrt the arch/arm/mach-mvebu/board-v7.c file, leaving in a stale
l2x0_of_init() call (it's now handled by the DT description).

Which is kind of embarrassing, since I knew about it as it wasn't the
only file that had similar merge issues.  At least I got the other ones
right.

Reported-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-06 10:24:07 -07:00
Linus Torvalds
2b03adc191 Microblaze patches for 3.16-rc1
- Clean PCI and DMA handling
 - Use generic device.h
 - Some cleanups
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Merge tag 'microblaze-3.16-rc1' of git://git.monstr.eu/linux-2.6-microblaze into next

Pull Microblaze updates from Michal Simek:
 - cleanup PCI and DMA handling
 - use generic device.h
 - some cleanups

* tag 'microblaze-3.16-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Fix typo in head.S s/substract/subtract/
  microblaze: remove check for CONFIG_XILINX_CONSOLE
  microblaze: Use generic device.h
  microblaze: Do not setup empty unmap_sg function
  microblaze: Remove device_to_mask
  microblaze: Clean device dma_ops structure
  microblaze: Cleanup PCI_DRAM_OFFSET handling
  microblaze: Do not setup pci_dma_ops
  microblaze: Return default dma operations
  microblaze: Enable SERIAL_OF_PLATFORM
2014-06-05 16:15:33 -07:00
Linus Torvalds
eb3d3ec567 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next
Pull ARM updates from Russell King:

 - Major clean-up of the L2 cache support code.  The existing mess was
   becoming rather unmaintainable through all the additions that others
   have done over time.  This turns it into a much nicer structure, and
   implements a few performance improvements as well.

 - Clean up some of the CP15 control register tweaks for alignment
   support, moving some code and data into alignment.c

 - DMA properties for ARM, from Santosh and reviewed by DT people.  This
   adds DT properties to specify bus translations we can't discover
   automatically, and to indicate whether devices are coherent.

 - Hibernation support for ARM

 - Make ftrace work with read-only text in modules

 - add suspend support for PJ4B CPUs

 - rework interrupt masking for undefined instruction handling, which
   allows us to enable interrupts earlier in the handling of these
   exceptions.

 - support for big endian page tables

 - fix stacktrace support to exclude stacktrace functions from the
   trace, and add save_stack_trace_regs() implementation so that kprobes
   can record stack traces.

 - Add support for the Cortex-A17 CPU.

 - Remove last vestiges of ARM710 support.

 - Removal of ARM "meminfo" structure, finally converting us solely to
   memblock to handle the early memory initialisation.

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (142 commits)
  ARM: ensure C page table setup code follows assembly code (part II)
  ARM: ensure C page table setup code follows assembly code
  ARM: consolidate last remaining open-coded alignment trap enable
  ARM: remove global cr_no_alignment
  ARM: remove CPU_CP15 conditional from alignment.c
  ARM: remove unused adjust_cr() function
  ARM: move "noalign" command line option to alignment.c
  ARM: provide common method to clear bits in CPU control register
  ARM: 8025/1: Get rid of meminfo
  ARM: 8060/1: mm: allow sub-architectures to override PCI I/O memory type
  ARM: 8066/1: correction for ARM patch 8031/2
  ARM: 8049/1: ftrace/add save_stack_trace_regs() implementation
  ARM: 8065/1: remove last use of CONFIG_CPU_ARM710
  ARM: 8062/1: Modify ldrt fixup handler to re-execute the userspace instruction
  ARM: 8047/1: rwsem: use asm-generic rwsem implementation
  ARM: l2c: trial at enabling some Cortex-A9 optimisations
  ARM: l2c: add warnings for stuff modifying aux_ctrl register values
  ARM: l2c: print a warning with L2C-310 caches if the cache size is modified
  ARM: l2c: remove old .set_debug method
  ARM: l2c: kill L2X0_AUX_CTRL_MASK before anyone else makes use of this
  ...
2014-06-05 15:57:04 -07:00
Linus Torvalds
c3c55a0720 Merge branch 'arm64-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
Pull ARM64 EFI update from Peter Anvin:
 "By agreement with the ARM64 EFI maintainers, we have agreed to make
  -tip the upstream for all EFI patches.  That is why this patchset
  comes from me :)

  This patchset enables EFI stub support for ARM64, like we already have
  on x86"

* 'arm64-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  arm64: efi: only attempt efi map setup if booting via EFI
  efi/arm64: ignore dtb= when UEFI SecureBoot is enabled
  doc: arm64: add description of EFI stub support
  arm64: efi: add EFI stub
  doc: arm: add UEFI support documentation
  arm64: add EFI runtime services
  efi: Add shared FDT related functions for ARM/ARM64
  arm64: Add function to create identity mappings
  efi: add helper function to get UEFI params from FDT
  doc: efi-stub.txt updates for ARM
  lib: add fdt_empty_tree.c
2014-06-05 13:15:32 -07:00
Linus Torvalds
046f153343 Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
Pull x86 EFI updates from Peter Anvin:
 "A collection of EFI changes.  The perhaps most important one is to
  fully save and restore the FPU state around each invocation of EFI
  runtime, and to not choke on non-ASCII characters in the boot stub"

* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efivars: Add compatibility code for compat tasks
  efivars: Refactor sanity checking code into separate function
  efivars: Stop passing a struct argument to efivar_validate()
  efivars: Check size of user object
  efivars: Use local variables instead of a pointer dereference
  x86/efi: Save and restore FPU context around efi_calls (i386)
  x86/efi: Save and restore FPU context around efi_calls (x86_64)
  x86/efi: Implement a __efi_call_virt macro
  x86, fpu: Extend the use of static_cpu_has_safe
  x86/efi: Delete most of the efi_call* macros
  efi: x86: Handle arbitrary Unicode characters
  efi: Add get_dram_base() helper function
  efi: Add shared printk wrapper for consistent prefixing
  efi: create memory map iteration helper
  efi: efi-stub-helper cleanup
2014-06-05 08:16:29 -07:00
Linus Torvalds
a0abcf2e8f Merge branch 'x86/vdso' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
Pull x86 cdso updates from Peter Anvin:
 "Vdso cleanups and improvements largely from Andy Lutomirski.  This
  makes the vdso a lot less ''special''"

* 'x86/vdso' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/vdso, build: Make LE access macros clearer, host-safe
  x86/vdso, build: Fix cross-compilation from big-endian architectures
  x86/vdso, build: When vdso2c fails, unlink the output
  x86, vdso: Fix an OOPS accessing the HPET mapping w/o an HPET
  x86, mm: Replace arch_vma_name with vm_ops->name for vsyscalls
  x86, mm: Improve _install_special_mapping and fix x86 vdso naming
  mm, fs: Add vm_ops->name as an alternative to arch_vma_name
  x86, vdso: Fix an OOPS accessing the HPET mapping w/o an HPET
  x86, vdso: Remove vestiges of VDSO_PRELINK and some outdated comments
  x86, vdso: Move the vvar and hpet mappings next to the 64-bit vDSO
  x86, vdso: Move the 32-bit vdso special pages after the text
  x86, vdso: Reimplement vdso.so preparation in build-time C
  x86, vdso: Move syscall and sysenter setup into kernel/cpu/common.c
  x86, vdso: Clean up 32-bit vs 64-bit vdso params
  x86, mm: Ensure correct alignment of the fixmap
2014-06-05 08:05:29 -07:00
Linus Torvalds
2071b3e34f Merge branch 'x86/espfix' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
Pull x86-64 espfix changes from Peter Anvin:
 "This is the espfix64 code, which fixes the IRET information leak as
  well as the associated functionality problem.  With this code applied,
  16-bit stack segments finally work as intended even on a 64-bit
  kernel.

  Consequently, this patchset also removes the runtime option that we
  added as an interim measure.

  To help the people working on Linux kernels for very small systems,
  this patchset also makes these compile-time configurable features"

* 'x86/espfix' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Revert "x86-64, modify_ldt: Make support for 16-bit segments a runtime option"
  x86, espfix: Make it possible to disable 16-bit support
  x86, espfix: Make espfix64 a Kconfig option, fix UML
  x86, espfix: Fix broken header guard
  x86, espfix: Move espfix definitions into a separate header file
  x86-32, espfix: Remove filter for espfix32 due to race
  x86-64, espfix: Don't leak bits 31:16 of %esp returning to 16-bit stack
2014-06-05 07:46:15 -07:00
Linus Torvalds
9df0fe64eb Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
Pull x86 x32 ABI fix from Peter Anvin:
 "A single fix for the x32 ABI: the io_setup() and io_submit() system
  call need to use the compat stubs"

* 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, x32: Use compat shims for io_{setup,submit}
2014-06-05 07:38:07 -07:00
Russell King
bd63ce27d9 Merge branch 'devel-stable' into for-next 2014-06-05 12:36:22 +01:00
Russell King
1fb333489f Merge branches 'alignment', 'fixes', 'l2c' (early part) and 'misc' into for-next 2014-06-05 12:35:52 +01:00
Antonio Ospite
225fba2162 microblaze: Fix typo in head.S s/substract/subtract/
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: Michal Simek <monstr@monstr.eu>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-06-05 13:02:02 +02:00
Geert Uytterhoeven
2f35fb3c8a drivers: sh: Enable PM runtime for new R-Car Gen2 SoCs
The PM runtime code should also be enabled for:
  - r8a7792 (R-Car V2H)
  - r8a7793 (R-Car M2-N)
  - r8a7794 (R-Car E2)

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2014-06-05 09:50:11 +09:00
Linus Torvalds
00170fdd08 Merge branch 'akpm' (patchbomb from Andrew) into next
Merge misc updates from Andrew Morton:

 - a few fixes for 3.16.  Cc'ed to stable so they'll get there somehow.

 - various misc fixes and cleanups

 - most of the ocfs2 queue.  Review is slow...

 - most of MM.  The MM queue is pretty huge this time, but not much in
   the way of feature work.

 - some tweaks under kernel/

 - printk maintenance work

 - updates to lib/

 - checkpatch updates

 - tweaks to init/

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (276 commits)
  fs/autofs4/dev-ioctl.c: add __init to autofs_dev_ioctl_init
  fs/ncpfs/getopt.c: replace simple_strtoul by kstrtoul
  init/main.c: remove an ifdef
  kthreads: kill CLONE_KERNEL, change kernel_thread(kernel_init) to avoid CLONE_SIGHAND
  init/main.c: add initcall_blacklist kernel parameter
  init/main.c: don't use pr_debug()
  fs/binfmt_flat.c: make old_reloc() static
  fs/binfmt_elf.c: fix bool assignements
  fs/efs: convert printk(KERN_DEBUG to pr_debug
  fs/efs: add pr_fmt / use __func__
  fs/efs: convert printk to pr_foo()
  scripts/checkpatch.pl: device_initcall is not the only __initcall substitute
  checkpatch: check stable email address
  checkpatch: warn on unnecessary void function return statements
  checkpatch: prefer kstrto<foo> to sscanf(buf, "%<lhuidx>", &bar);
  checkpatch: add warning for kmalloc/kzalloc with multiply
  checkpatch: warn on #defines ending in semicolon
  checkpatch: make --strict a default for files in drivers/net and net/
  checkpatch: always warn on missing blank line after variable declaration block
  checkpatch: fix wildcard DT compatible string checking
  ...
2014-06-04 16:55:13 -07:00
Fabian Frederick
3ff6db3287 fs/autofs4/dev-ioctl.c: add __init to autofs_dev_ioctl_init
autofs_dev_ioctl_init is only called by __init init_autofs4_fs

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Acked-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Fabian Frederick
8091b895b7 fs/ncpfs/getopt.c: replace simple_strtoul by kstrtoul
Remove obsolete simple_strtoul in ncp_getopt

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Andrew Morton
647f010bff init/main.c: remove an ifdef
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Oleg Nesterov
34a1b7236a kthreads: kill CLONE_KERNEL, change kernel_thread(kernel_init) to avoid CLONE_SIGHAND
1. Remove CLONE_KERNEL, it has no users and it is dangerous.

   The (old) comment says "List of flags we want to share for kernel
   threads" but this is not true, we do not want to share ->sighand by
   default. This flag can only be used if the caller is sure that both
   parent/child will never play with signals (say, allow_signal/etc).

2. Change rest_init() to clone kernel_init() without CLONE_SIGHAND.

   In this case CLONE_SIGHAND does not really hurt, and it looks like
   optimization because copy_sighand() can avoid kmem_cache_alloc().

   But in fact this only adds the minor pessimization. kernel_init()
   is going to exec the init process, and de_thread() will need to
   unshare ->sighand and do kmem_cache_alloc(sighand_cachep) anyway,
   but it needs to do more work and take tasklist_lock and siglock.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Prarit Bhargava
7b0b73d766 init/main.c: add initcall_blacklist kernel parameter
When a module is built into the kernel the module_init() function
becomes an initcall.  Sometimes debugging through dynamic debug can
help, however, debugging built in kernel modules is typically done by
changing the .config, recompiling, and booting the new kernel in an
effort to determine exactly which module caused a problem.

This patchset can be useful stand-alone or combined with initcall_debug.
There are cases where some initcalls can hang the machine before the
console can be flushed, which can make initcall_debug output inaccurate.
Having the ability to skip initcalls can help further debugging of these
scenarios.

Usage: initcall_blacklist=<list of comma separated initcalls>

ex) added "initcall_blacklist=sgi_uv_sysfs_init" as a kernel parameter and
the log contains:

	blacklisting initcall sgi_uv_sysfs_init
	...
	...
	initcall sgi_uv_sysfs_init blacklisted

ex) added "initcall_blacklist=foo_bar,sgi_uv_sysfs_init" as a kernel parameter
and the log contains:

	blacklisting initcall foo_bar
	blacklisting initcall sgi_uv_sysfs_init
	...
	...
	initcall sgi_uv_sysfs_init blacklisted

[akpm@linux-foundation.org: tweak printk text]
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Richard Weinberger <richard.weinberger@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Cc: Rob Landley <rob@landley.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Andrew Morton
d62cf81524 init/main.c: don't use pr_debug()
Pertially revert commit ea676e846a ("init/main.c: convert to
pr_foo()").

Unbeknownst to me, pr_debug() is different from the other pr_foo()
levels: pr_debug() is a no-op when DEBUG is not defined.

Happily, init/main.c does have a #define DEBUG so we didn't break
initcall_debug.  But the functioning of initcall_debug should not be
dependent upon the presence of that #define DEBUG.

Reported-by: Russell King <rmk@arm.linux.org.uk>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Axel Lin
3430343572 fs/binfmt_flat.c: make old_reloc() static
old_reloc() is only used in this file, make it static.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Fabian Frederick
b219e25f8d fs/binfmt_elf.c: fix bool assignements
Fix coccinelle warnings.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Fabian Frederick
d1826f2a3d fs/efs: convert printk(KERN_DEBUG to pr_debug
All KERN_DEBUG callsites being under #ifdef DEBUG we can safely convert
everything to pr_debug without changing current behaviour.

Remove #ifdef DEBUG around pr_debugs only (suggested by Joe Perches)

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:21 -07:00
Fabian Frederick
f403d1dbac fs/efs: add pr_fmt / use __func__
Also uniformize function arguments.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Fabian Frederick
179b87fb18 fs/efs: convert printk to pr_foo()
Convert all except KERN_DEBUG
(pr_debug doesn't work the same as printk(KERN_DEBUG and requires
special check)

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Fabian Frederick
ae3ccc4678 scripts/checkpatch.pl: device_initcall is not the only __initcall substitute
This patch adds a link to init.h to find appropriate initcall function to
replace obsolete __initcall

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Joe Perches
9b3189eb42 checkpatch: check stable email address
It should be stable@vger.kernel.org, not stable@kernel.org.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Joe Perches
9819cf252a checkpatch: warn on unnecessary void function return statements
void function lines that use a single tab then "return;" are generally
unnecessary.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Joe Perches
afc819ab02 checkpatch: prefer kstrto<foo> to sscanf(buf, "%<lhuidx>", &bar);
Use the kstrto<foo> functions in preference to sscanf.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Joe Perches
60a55369aa checkpatch: add warning for kmalloc/kzalloc with multiply
Protect against sizeof overflows by preferring kmalloc_array/kcalloc over
kmalloc/kzalloc with a sizeof multiply.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Joe Perches
f5ef95b12e checkpatch: warn on #defines ending in semicolon
Using a #define ending in a semicolon is poor style and can lead to
unexpected code paths being executed.

Warn on uses of these #define types:

	#define foo[(...)] bar;
	#define foo[(...)]	\
		bar;

Based on a patch from Borislav Petkov.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Joe Perches
2ac73b4f68 checkpatch: make --strict a default for files in drivers/net and net/
Networking files are generally more strictly conformant to linux-kernel
style so make checkpatch more verbose by default for patches to files or
when checking files in these directories.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:20 -07:00
Joe Perches
3f7bac031c checkpatch: always warn on missing blank line after variable declaration block
Make the test system wide, modify the message too.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Rob Herring
185d566bcd checkpatch: fix wildcard DT compatible string checking
We attempt to search for compatible strings which use a variable token in
the documented name such as <chip> or <soc>.  While this was attempted to
be handled, it's utterly broken.

The desired forms of matching are:

vendor,<chip>-*
vendor,name<part#>-*

For <chip>, lower case characters and numbers are permitted.  For <part#>,
only numeric values are allowed.

With this change, the number of missing compatible strings reported in
arch/arm/boot/dts is reduced from 1071 to 960.

Reported-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Florian Vaussard <florian.vaussard@epfl.ch>
Cc: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
6516a46619 kernel/compat.c: use sizeof() instead of sizeof
Fix 4 checkpatch warnings
WARNING: sizeof *tv should be sizeof(*tv)

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
548bbff981 lib/asn1_decoder.c: kernel-doc warning fix
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
b3b16d284a lib/atomic64_test.c: convert printk(KERN_INFO to pr_info
Convert printk to current pr_foo() logging functions.

Also add pr_fmt based on KBUILD_MODNAME to avoid repeating prefix.  Prefix
is now "atomic64_test: "

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Luca Barbieri <luca@luca-barbieri.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
c56ba70331 lib/bug.c: convert printk to pr_foo()
- Coalesce formats

- "WARNING:" prefix unchanged to keep bug format.

- printk(KERN_DEFAULT not converted.

- define pr_fmt without prefix to avoid any default prefix update
  (suggested by Joe Perches).

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
ce643a30d1 lib/textsearch.c: move EXPORT_SYMBOL after functions
Fix checkpatch warning:
"WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable"

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
6d6a138f13 lib/nlattr.c: move EXPORT_SYMBOL after functions
Fix some checkpatch warnings:
WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Pablo Neira <pablo@netfilter.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
54b14f40c5 lib/digsig.c: kernel-doc warning fixes
Small typo and @return: -> Returns ...

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
38b4fe5fcc lib/crc32.c: remove unnecessary __constant
Use cpu_to_le32 instead of __constant_cpu_to_le32.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:19 -07:00
Fabian Frederick
8e4c0b6848 lib/radix-tree.c: kernel-doc warning fix
index has been removed from __radix_tree_delete_node in 449dd6984d
("mm: keep page cache radix tree nodes in check")

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:18 -07:00
Dan Streetman
b8cfff68ea lib/plist.c: make CONFIG_DEBUG_PI_LIST selectable
Change CONFIG_DEBUG_PI_LIST to be user-selectable, and add a title and
description.  Remove the dependency on DEBUG_RT_MUTEXES since they were
changed to use rbtrees, and there are other users of plists now.

Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:18 -07:00
Minfei Huang
c75b53af2f lib/btree.c: fix leak of whole btree nodes
I use btree from 3.14-rc2 in my own module.  When the btree module is
removed, a warning arises:

 kmem_cache_destroy btree_node: Slab cache still has objects
 CPU: 13 PID: 9150 Comm: rmmod Tainted: GF          O 3.14.0-rc2 #1
 Hardware name: Inspur NF5270M3/NF5270M3, BIOS CHEETAH_2.1.3 09/10/2013
 Call Trace:
   dump_stack+0x49/0x5d
   kmem_cache_destroy+0xcf/0xe0
   btree_module_exit+0x10/0x12 [btree]
   SyS_delete_module+0x198/0x1f0
   system_call_fastpath+0x16/0x1b

The cause is that it doesn't release the last btree node, when height = 1
and fill = 1.

[akpm@linux-foundation.org: remove unneeded test of NULL]
Signed-off-by: Minfei Huang <huangminfei@ucloud.cn>
Cc: Joern Engel <joern@logfs.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:18 -07:00
Fabian Frederick
3f623eba2a lib/vsprintf.c: fix comparison to bool
Fixing 2 coccinelle warnings:
lib/vsprintf.c:2350:2-9: WARNING: Assignment of bool to 0/1
lib/vsprintf.c:2389:3-10: WARNING: Assignment of bool to 0/1

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:54:18 -07:00