mirror of https://gitee.com/openkylin/linux.git
18113 Commits
| Author | SHA1 | Message | Date |
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Kumar Gala
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8494294b66 |
ata: qcom: Add device tree bindings information
Add device tree binding for Qualcomm AHCI SATA controller and specifically the sata controller on the IPQ806x family of SoCs. We can utilize the "generic-ahci" platform driver with the addition of the sata phy to enable SATA support on Qualcomm SoCs with AHCI controllers. Signed-off-by: Kumar Gala <galak@codeaurora.org> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
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Thierry Reding
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251964845f |
drm/doc: Refer to proper source file
Commit
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Linus Torvalds
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899552d6e8 |
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild updates from Michal Marek: "This is the non-critical part of kbuild for 3.17-rc1: - make help hint to use make -s with make kernelrelease et al. - moved a kbuild document to Documentation/kbuild where it belongs - four new Coccinelle scripts, one dropped and one fixed - new make kselftest target to run various tests on the kernel" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: kselftest - new make target to build and run kernel selftests Coccinelle: Script to replace if and BUG with BUG_ON Coccinelle: Script to detect incorrect argument to sizeof Coccinelle: Script to use ARRAY_SIZE instead of division of two sizeofs Coccinelle: Script to detect cast after memory allocation coccinelle/null: solve parse error Documentation: headers_install.txt is part of kbuild kbuild: make -s should be used with kernelrelease/kernelversion/image_name |
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Linus Torvalds
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3b7b3e6ec5 |
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek: - make clean also considers $(extra-m) and $(extra-) to be consistent - cleanup and fixes in scripts/Makefile.host - allow to override the name of the Python 2 executable with make PYTHON=... (only needed for ia64 in practice) - option to split debugingo into *.dwo files to save disk space if the compiler supports it (CONFIG_DEBUG_INFO_SPLIT) - option to use dwarf4 debuginfo if the compiler supports it (CONFIG_DEBUG_INFO_DWARF4) - fix for disabling certain warnings with clang - fix for unneeded rebuild with dash when a command contains backslashes * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Fix handling of backslashes in *.cmd files kbuild, LLVMLinux: Supress warnings unless W=1-3 Kbuild: Add a option to enable dwarf4 v2 kbuild: Support split debug info v4 kbuild: allow to override Python command name kbuild: clean-up and bug fix of scripts/Makefile.host kbuild: clean up scripts/Makefile.host kbuild: drop shared library support from Makefile.host kbuild: fix a bug of C++ host program handling kbuild: fix a typo in scripts/Makefile.host scripts/Makefile.clean: clean also $(extra-m) and $(extra-) |
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Linus Torvalds
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e3b1fd56f1 |
Main set of InfiniBand/RDMA updates for 3.17 merge window:
- MR reregistration support - MAD support for RMPP in userspace - iSER and SRP initiator updates - ocrdma hardware driver updates - other fixes... -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABCAAGBQJT7N2GAAoJEENa44ZhAt0hUiIQAKBqYIjpB3QY6Z/B19mxDxku I81B3OkirumbAaCLoLckvq4gnwQ+BAD+YUmXgP08TCIgrABZAYYw+WvMEY9WNyQB x3Pv+BzX+wKKNaQkSnB9JVdku+BSI76eW0YYrIX0F0x1o0Jq9JpSkia91KmRvqmX YSFy2R7BjEZ4lfo/uscydHT26Q6EdT3od4iv48K8qq5rKdjtyYNgD/75DLCN599Z uI1f98e6Tl+7nHWaioQB61zlYPkNPLAnZtMrY2j4tarTwYwX1KhF3eV7z39L1l81 nhMIXr+qBXtYuZw3I9rKqw3VVCCqB9e6E8FIA5K/d2jWqO+0TqIMUYOuZXuCezWg o+uGgwbDOweBqwrKRmiR2M0lk2I1Z16jBxYuaUBbLImG0/NPtuUB22t6RbPAojTa EjDkb9XBA7uFUMrYYnou+HxEzmJUYkin6wgGxtklYEKUqvh8G9ccGt6httWrCSrV mpjwJv+S4LdFM49wdP993lYthpCoZ42yxEzZ7zJ/KTt17/Wb5F4RtHIROGVFkHdT mo8RUz5DGDznfNQgn0m/jC3woFnMNpLOduI+CivhrwrWCwMpSUxIjqWu3263pIJ7 +H0kNOKDAbp6+F27j+AVznlyXnaEtYyM8EZnysG1Hkz24gCSWBYo5Ep8eSH8LgY4 9VPc75KVG6uddx5mhg5h =wOm0 -----END PGP SIGNATURE----- Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband Pull infiniband/rdma updates from Roland Dreier: "Main set of InfiniBand/RDMA updates for 3.17 merge window: - MR reregistration support - MAD support for RMPP in userspace - iSER and SRP initiator updates - ocrdma hardware driver updates - other fixes..." * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (52 commits) IB/srp: Fix return value check in srp_init_module() RDMA/ocrdma: report asic-id in query device RDMA/ocrdma: Update sli data structure for endianness RDMA/ocrdma: Obtain SL from device structure RDMA/uapi: Include socket.h in rdma_user_cm.h IB/srpt: Handle GID change events IB/mlx5: Use ARRAY_SIZE instead of sizeof/sizeof[0] IB/mlx4: Use ARRAY_SIZE instead of sizeof/sizeof[0] RDMA/amso1100: Check for integer overflow in c2_alloc_cq_buf() IPoIB: Remove unnecessary test for NULL before debugfs_remove() IB/mad: Add user space RMPP support IB/mad: add new ioctl to ABI to support new registration options IB/mad: Add dev_notice messages for various umad/mad registration failures IB/mad: Update module to [pr|dev]_* style print messages IB/ipoib: Avoid multicast join attempts with invalid P_key IB/umad: Update module to [pr|dev]_* style print messages IB/ipoib: Avoid flushing the workqueue from worker context IB/ipoib: Use P_Key change event instead of P_Key polling mechanism IB/ipath: Add P_Key change event support mlx4_core: Add support for secure-host and SMP firewall ... |
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Linus Torvalds
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ae36e95cf8 |
The branch contains the following device tree changes the v3.17 merge
window: Group changes to the device tree. In preparation for adding device tree overlay support, OF_DYNAMIC is reworked so that a set of device tree changes can be prepared and applied to the tree all at once. OF_RECONFIG notifiers see the most significant change here so that users always get a consistent view of the tree. Notifiers generation is moved from before a change to after it, and notifiers for a group of changes are emitted after the entire block of changes have been applied Automatic console selection from DT. Console drivers can now use of_console_check() to see if the device node is specified as a console device. If so then it gets added as a preferred console. UART devices get this support automatically when uart_add_one_port() is called. DT unit tests no longer depend on pre-loaded data in the device tree. Data is loaded dynamically at the start of unit tests, and then unloaded again when the tests have completed. Also contains a few bugfixes for reserved regions and early memory setup. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJT6M7XAAoJEMWQL496c2LNTTgP/2rXyrTTGZpK/qrLKHWKYHvr XL7tcTkhA0OLU64E37fB+xtDXyBYnLsharuwUFSd1LlL1Wnc1cZN5ORRlMJbmjUR Wvwl0A8/mkhGl4tzzKgJ4z4rMJXvlZfJRpnVoRB5FOn90LI7k/jsf5rIwF/6S90B 6D6II0r4RG9ku1m7g70cToxcIFCzp0V+eu2tym9GnhsyGKlunPT9iNiTpwfVhPAj QUvMPKIQXReOv6xDU5q6E07839IMf7SdAvciBTHGnCDD7sGziHvnBIShj/2vTDAF 27sGRKrWUnnuxRUMOoIudiYyeHXIdt1WXp6FsS/ztVI37Ijh9YPShJwWGhQDppnp 4tcoSdefqw9IRUajAVWsB0RUW/tCL4a7tggWofylOA6itDi+HZnw6YafE1G1YzxF q8OFo9uqLcmFQfHDJpk+sdtXoMZzOgrxlEscsGsQ8kd2Uoe8+chgR9EY1sqPkWVF Zw0FJCTB6spBlsnXeboBGrnvpbPkacwhvesIFO0IANy4j4R55xlEeTcs1fe3ubUf UhNyyFdnCAUA7e5CAabcAQYsdbEKG6v0Il3H6xts36c8lXCSFXVgNcw5mdCpFCcQ DZ3/1FGSVzkYNXX8hlzIn1W0dqvwn4x0ZbnpXUJrGUBpSmjt9qkXx0XbdeFwartU 7X4tNGS1jfNYhOdP87jF =8IFz -----END PGP SIGNATURE----- Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux Pull device tree updates from Grant Likely: "The branch contains the following device tree changes the v3.17 merge window: Group changes to the device tree. In preparation for adding device tree overlay support, OF_DYNAMIC is reworked so that a set of device tree changes can be prepared and applied to the tree all at once. OF_RECONFIG notifiers see the most significant change here so that users always get a consistent view of the tree. Notifiers generation is moved from before a change to after it, and notifiers for a group of changes are emitted after the entire block of changes have been applied Automatic console selection from DT. Console drivers can now use of_console_check() to see if the device node is specified as a console device. If so then it gets added as a preferred console. UART devices get this support automatically when uart_add_one_port() is called. DT unit tests no longer depend on pre-loaded data in the device tree. Data is loaded dynamically at the start of unit tests, and then unloaded again when the tests have completed. Also contains a few bugfixes for reserved regions and early memory setup" * tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux: (21 commits) of: Fixing OF Selftest build error drivers: of: add automated assignment of reserved regions to client devices of: Use proper types for checking memory overflow of: typo fix in __of_prop_dup() Adding selftest testdata dynamically into live tree of: Add todo tasklist for Devicetree of: Transactional DT support. of: Reorder device tree changes and notifiers of: Move dynamic node fixups out of powerpc and into common code of: Make sure attached nodes don't carry along extra children of: Make devicetree sysfs update functions consistent. of: Create unlocked versions of node and property add/remove functions OF: Utility helper functions for dynamic nodes of: Move CONFIG_OF_DYNAMIC code into a separate file of: rename of_aliases_mutex to just of_mutex of/platform: Fix of_platform_device_destroy iteration of devices of: Migrate of_find_node_by_name() users to for_each_node_by_name() tty: Update hypervisor tty drivers to use core stdout parsing code. arm/versatile: Add the uart as the stdout device. of: Enable console on serial ports specified by /chosen/stdout-path ... |
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Linus Torvalds
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ba368991f6 |
. Allow the thin target to paired with any size external origin; also
allow thin snapshots to be larger than the external origin. . Add support for quickly loading a repetitive pattern into the dm-switch target. . Use per-bio data in the dm-crypt target instead of always using a mempool for each allocation. Required switching to kmalloc alignment for the bio slab. . Fix DM core to properly stack the QUEUE_FLAG_NO_SG_MERGE flag . Fix the dm-cache and dm-thin targets' export of the minimum_io_size to match the data block size -- this fixes an issue where mkfs.xfs would improperly infer raid striping was in place on the underlying storage. . Small cleanups in dm-io, dm-mpath and dm-cache -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJT64yEAAoJEMUj8QotnQNatjQH/2mqm8EtPuZas70zHVDzjMlE ZyV8xgHpU0MBmiBi+JhUBv9iKX4sVa+C25559WkKtxRVMnZmI1WDry4TagiqrhnK 9o/uvdWigJMR+uwahwe4UErEtKscOQJD30a8taN/suJ6Z2C7XJJRUZPsyL4a3Vov w+UIi7aYDEGp/2VQ8mvTTxjdF5x5km4wKsjBTs03uTrrkEJ+bIUndl2I1X+X4bsw kiWYOQwmcnD8GwYkSrthJYLsS3Hjur/J/My7KZwXc00ANLOexqHdKfRDwH8b36+m olKXv3swCd8vi+jJYEYzuW9213ACsSEGP7h8NFVZ/+2FeDsSzB/C7zjW9okIUIw= =y/3r -----END PGP SIGNATURE----- Merge tag 'dm-3.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper changes from Mike Snitzer: - Allow the thin target to paired with any size external origin; also allow thin snapshots to be larger than the external origin. - Add support for quickly loading a repetitive pattern into the dm-switch target. - Use per-bio data in the dm-crypt target instead of always using a mempool for each allocation. Required switching to kmalloc alignment for the bio slab. - Fix DM core to properly stack the QUEUE_FLAG_NO_SG_MERGE flag - Fix the dm-cache and dm-thin targets' export of the minimum_io_size to match the data block size -- this fixes an issue where mkfs.xfs would improperly infer raid striping was in place on the underlying storage. - Small cleanups in dm-io, dm-mpath and dm-cache * tag 'dm-3.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm table: propagate QUEUE_FLAG_NO_SG_MERGE dm switch: efficiently support repetitive patterns dm switch: factor out switch_region_table_read dm cache: set minimum_io_size to cache's data block size dm thin: set minimum_io_size to pool's data block size dm crypt: use per-bio data block: use kmalloc alignment for bio slab dm table: make dm_table_supports_discards static dm cache metadata: use dm-space-map-metadata.h defined size limits dm cache: fail migrations in the do_worker error path dm cache: simplify deferred set reference count increments dm thin: relax external origin size constraints dm thin: switch to an atomic_t for tracking pending new block preparations dm mpath: eliminate pg_ready() wrapper dm io: simplify dec_count and sync_io |
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Linus Torvalds
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a8e4def604 |
MMC core:
- Forward compatibility for eMMC. - Fix some blacklisted cards with broken secure discard. MMC host: - mmci: Add support for Qualcomm variant. - mmci: Fix regression for arm_variant. - sdhci: Various fixes and cleanups. - sdhci: Improve external VDD regulator support. - sdhci: Support for DDR50 1.8V mode for BayTrail. - sdhci-st: Add driver for ST SDHCI controller. - sh-mmcif: DMA fixes. - omap_hsmmc: Add support for SDIO interrupts. - sdhci-pci: Add support for Intel Quark X1000. - dw_mmc: Update the reset sequence. - s3cmci: port DMA code to dmaengine API. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJT6K/QAAoJEP4mhCVzWIwpj5UP/3KWAsUCz5PlPaTxWgh/U+aN lwO8aryFGjxfengCtJaw4cVksg3Lc5EvaSweg7BUqTucHoq/epdAU+Doqf5OVZ9Y kicfx+WOAwIGTTuY9Wu7W884WgF+litZW4O4LtQnr6hHzx+xQhPabTc6zKJVS7WD /Fx1Qcc0WFdGA3D0VdpCqGa7Y8IYk8cEP16MOA4s0HxZxONkjFbPdpQRF/zywGOA tqJC7kAhlY+Rx5bsrr5Lvbhu2Ut+cfLBPdPYuJz50wnymQ15IrLj5n4rSd5GLY+f HjMeCJzDHi1gk26wn3kYyWwz3JkJGWhtf6fC1hDqvkWEmHd872v7EuU9V4D3ehV1 xPVVVyUYqMgs0Vi+PXAlMhoajrwgnlM1Ox0sheOOefcaRoFVpV6PZOuAsAOfKRfC ySOuEhOKn5OOvjH2TB4dNH1a3hegR9B3fJqjFe4UmUQP4FBicOfUKi+n6HwC+Omb VDCuVvwmMCVPi/Lop6thpPepJBfR8Ncb3vanLpK64LcIjEfoPTwoAyNI32Qnry52 XMO4Tppl+bPzglGpV427KXlFbBwccp+8sCMRc/4lRiIMH9QhbZfVA1FcxwpvZ419 6SKXmqhA62nHLcWlQrRlvdnNyr+Ow2o5gJ0iVffByfmzcgPmja9YZYyDfx+DxWOo W1oItq+qMd25rnnOPTLB =kGSY -----END PGP SIGNATURE----- Merge tag 'mmc-v3.17-1' of git://git.linaro.org/people/ulf.hansson/mmc Pull MMC updates from Ulf Hansson: "Me and Chris Ball decided to try out using my MMC tree as the primary one, to simplify handling of patches. This pull does thus contains all the MMC patches for 3.17 rc1, no pull from Chris this time. Details: MMC core: - forward compatibility for eMMC - fix some blacklisted cards with broken secure discard MMC host: - mmci: Add support for Qualcomm variant - mmci: Fix regression for arm_variant - sdhci: Various fixes and cleanups - sdhci: Improve external VDD regulator support - sdhci: Support for DDR50 1.8V mode for BayTrail - sdhci-st: Add driver for ST SDHCI controller - sh-mmcif: DMA fixes - omap_hsmmc: Add support for SDIO interrupts - sdhci-pci: Add support for Intel Quark X1000 - dw_mmc: Update the reset sequence - s3cmci: port DMA code to dmaengine API" * tag 'mmc-v3.17-1' of git://git.linaro.org/people/ulf.hansson/mmc: (67 commits) mmc: dw_mmc: modify the dt-binding for removing slot-node and supports-highspeed mmc: dw_mmc: Slot quirk "disable-wp" is deprecated. mmc: mmci: Reverse IRQ handling for the arm_variant mmc: mmci: Move all CMD irq handling to mmci_cmd_irq() mmc: mmci: Remove redundant check of status for DATA irq mmc: dw_mmc: change to use recommended reset procedure mmc: sdhci-pxav3: Use devm_* managed helpers mmc: tmio: Configure DMA slave bus width mmc: sh_mmcif: Configure DMA slave bus width mmc: sh_mmcif: Fix DMA slave address configuration mmc: sh_mmcif: Document DT bindings mmc: sdhci-pci: remove PCI PM functions in suspend/resume callback mmc: Do not advertise secure discard if it is blacklisted mmc: sdhci-msm: Get COMPILE_TEST support mmc: sdhci-msm: Remove unnecessary header file inclusion mmc: sdhci-msm: Fix the binding example mmc: sdhci: add DDR50 1.8V mode support for BayTrail eMMC Controller mmc: sdhci: Preset value not supported in Baytrail eMMC mmc: MMC_USDHI6ROL0 should depend on HAS_DMA mmc: MMC_SH_MMCIF should depend on HAS_DMA ... |
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Linus Torvalds
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f0094b28f3 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"Several networking final fixes and tidies for the merge window:
1) Changes during the merge window unintentionally took away the
ability to build bluetooth modular, fix from Geert Uytterhoeven.
2) Several phy_node reference count bug fixes from Uwe Kleine-König.
3) Fix ucc_geth build failures, also from Uwe Kleine-König.
4) Fix klog false positivies when netlink messages go to network
taps, by properly resetting the network header. Fix from Daniel
Borkmann.
5) Sizing estimate of VF netlink messages is too small, from Jiri
Benc.
6) New APM X-Gene SoC ethernet driver, from Iyappan Subramanian.
7) VLAN untagging is erroneously dependent upon whether the VLAN
module is loaded or not, but there are generic dependencies that
matter wrt what can be expected as the SKB enters the stack.
Make the basic untagging generic code, and do it unconditionally.
From Vlad Yasevich.
8) xen-netfront only has so many slots in it's transmit queue so
linearize packets that have too many frags. From Zoltan Kiss.
9) Fix suspend/resume PHY handling in bcmgenet driver, from Florian
Fainelli"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (55 commits)
net: bcmgenet: correctly resume adapter from Wake-on-LAN
net: bcmgenet: update UMAC_CMD only when link is detected
net: bcmgenet: correctly suspend and resume PHY device
net: bcmgenet: request and enable main clock earlier
net: ethernet: myricom: myri10ge: myri10ge.c: Cleaning up missing null-terminate after strncpy call
xen-netfront: Fix handling packets on compound pages with skb_linearize
net: fec: Support phys probed from devicetree and fixed-link
smsc: replace WARN_ON() with WARN_ON_SMP()
xen-netback: Don't deschedule NAPI when carrier off
net: ethernet: qlogic: qlcnic: Remove duplicate object file from Makefile
wan: wanxl: Remove typedefs from struct names
m68k/atari: EtherNEC - ethernet support (ne)
net: ethernet: ti: cpmac.c: Cleaning up missing null-terminate after strncpy call
hdlc: Remove typedefs from struct names
airo_cs: Remove typedef local_info_t
atmel: Remove typedef atmel_priv_ioctl
com20020_cs: Remove typedef com20020_dev_t
ethernet: amd: Remove typedef local_info_t
net: Always untag vlan-tagged traffic on input.
drivers: net: Add APM X-Gene SoC ethernet driver support.
...
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Linus Torvalds
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7453f33b2e |
Merge branch 'x86-xsave-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/xsave changes from Peter Anvin: "This is a patchset to support the XSAVES instruction required to support context switch of supervisor-only features in upcoming silicon. This patchset missed the 3.16 merge window, which is why it is based on 3.15-rc7" * 'x86-xsave-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, xsave: Add forgotten inline annotation x86/xsaves: Clean up code in xstate offsets computation in xsave area x86/xsave: Make it clear that the XSAVE macros use (%edi)/(%rdi) Define kernel API to get address of each state in xsave area x86/xsaves: Enable xsaves/xrstors x86/xsaves: Call booting time xsaves and xrstors in setup_init_fpu_buf x86/xsaves: Save xstate to task's xsave area in __save_fpu during booting time x86/xsaves: Add xsaves and xrstors support for booting time x86/xsaves: Clear reserved bits in xsave header x86/xsaves: Use xsave/xrstor for saving and restoring user space context x86/xsaves: Use xsaves/xrstors for context switch x86/xsaves: Use xsaves/xrstors to save and restore xsave area x86/xsaves: Define a macro for handling xsave/xrstor instruction fault x86/xsaves: Define macros for xsave instructions x86/xsaves: Change compacted format xsave area header x86/alternative: Add alternative_input_2 to support alternative with two features and input x86/xsaves: Add a kernel parameter noxsaves to disable xsaves/xrstors |
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Linus Torvalds
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dc1cc85133 |
xfs: update for 3.17-rc1
This update contains:
o conversion of the XFS core to pass negative error numbers
o restructing of core XFS code that is shared with userspace to fs/xfs/libxfs
o introduction of sysfs interface for XFS
o bulkstat refactoring
o demand driven speculative preallocation removal
o XFS now always requires 64 bit sectors to be configured
o metadata verifier changes to ensure CRCs are calculated during log recovery
o various minor code cleanups
o miscellaneous bug fixes
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Merge tag 'xfs-for-linus-3.17-rc1' of git://oss.sgi.com/xfs/xfs
Pull xfs update from Dave Chinner:
"This update contains:
- conversion of the XFS core to pass negative error numbers
- restructing of core XFS code that is shared with userspace to
fs/xfs/libxfs
- introduction of sysfs interface for XFS
- bulkstat refactoring
- demand driven speculative preallocation removal
- XFS now always requires 64 bit sectors to be configured
- metadata verifier changes to ensure CRCs are calculated during log
recovery
- various minor code cleanups
- miscellaneous bug fixes
The diffstat is kind of noisy because of the restructuring of the code
to make kernel/userspace code sharing simpler, along with the XFS wide
change to use the standard negative error return convention (at last!)"
* tag 'xfs-for-linus-3.17-rc1' of git://oss.sgi.com/xfs/xfs: (45 commits)
xfs: fix coccinelle warnings
xfs: flush both inodes in xfs_swap_extents
xfs: fix swapext ilock deadlock
xfs: kill xfs_vnode.h
xfs: kill VN_MAPPED
xfs: kill VN_CACHED
xfs: kill VN_DIRTY()
xfs: dquot recovery needs verifiers
xfs: quotacheck leaves dquot buffers without verifiers
xfs: ensure verifiers are attached to recovered buffers
xfs: catch buffers written without verifiers attached
xfs: avoid false quotacheck after unclean shutdown
xfs: fix rounding error of fiemap length parameter
xfs: introduce xfs_bulkstat_ag_ichunk
xfs: require 64-bit sector_t
xfs: fix uflags detection at xfs_fs_rm_xquota
xfs: remove XFS_IS_OQUOTA_ON macros
xfs: tidy up xfs_set_inode32
xfs: allow inode allocations in post-growfs disk space
xfs: mark xfs_qm_quotacheck as static
...
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Linus Torvalds
|
8d2d441ac4 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph updates from Sage Weil: "There is a lot of refactoring and hardening of the libceph and rbd code here from Ilya that fix various smaller bugs, and a few more important fixes with clone overlap. The main fix is a critical change to the request_fn handling to not sleep that was exposed by the recent mutex changes (which will also go to the 3.16 stable series). Yan Zheng has several fixes in here for CephFS fixing ACL handling, time stamps, and request resends when the MDS restarts. Finally, there are a few cleanups from Himangi Saraogi based on Coccinelle" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (39 commits) libceph: set last_piece in ceph_msg_data_pages_cursor_init() correctly rbd: remove extra newlines from rbd_warn() messages rbd: allocate img_request with GFP_NOIO instead GFP_ATOMIC rbd: rework rbd_request_fn() ceph: fix kick_requests() ceph: fix append mode write ceph: fix sizeof(struct tYpO *) typo ceph: remove redundant memset(0) rbd: take snap_id into account when reading in parent info rbd: do not read in parent info before snap context rbd: update mapping size only on refresh rbd: harden rbd_dev_refresh() and callers a bit rbd: split rbd_dev_spec_update() into two functions rbd: remove unnecessary asserts in rbd_dev_image_probe() rbd: introduce rbd_dev_header_info() rbd: show the entire chain of parent images ceph: replace comma with a semicolon rbd: use rbd_segment_name_free() instead of kfree() ceph: check zero length in ceph_sync_read() ceph: reset r_resend_mds after receiving -ESTALE ... |
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Uwe Kleine-König
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407066f8f3 |
net: fec: Support phys probed from devicetree and fixed-link
This adds support for specifying the phy to be used with the fec in the devicetree using the standard phy-handle property and also supports fixed-link. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Iyappan Subramanian
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ff4ee1ab1a |
Documentation: dts: Add bindings for APM X-Gene SoC ethernet driver
This patch adds documentation for APM X-Gene SoC ethernet DTS binding. Signed-off-by: Iyappan Subramanian <isubramanian@apm.com> Signed-off-by: Ravi Patel <rapatel@apm.com> Signed-off-by: Keyur Chudgar <kchudgar@apm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
|
f6f993328b |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro:
"Stuff in here:
- acct.c fixes and general rework of mnt_pin mechanism. That allows
to go for delayed-mntput stuff, which will permit mntput() on deep
stack without worrying about stack overflows - fs shutdown will
happen on shallow stack. IOW, we can do Eric's umount-on-rmdir
series without introducing tons of stack overflows on new mntput()
call chains it introduces.
- Bruce's d_splice_alias() patches
- more Miklos' rename() stuff.
- a couple of regression fixes (stable fodder, in the end of branch)
and a fix for API idiocy in iov_iter.c.
There definitely will be another pile, maybe even two. I'd like to
get Eric's series in this time, but even if we miss it, it'll go right
in the beginning of for-next in the next cycle - the tricky part of
prereqs is in this pile"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (40 commits)
fix copy_tree() regression
__generic_file_write_iter(): fix handling of sync error after DIO
switch iov_iter_get_pages() to passing maximal number of pages
fs: mark __d_obtain_alias static
dcache: d_splice_alias should detect loops
exportfs: update Exporting documentation
dcache: d_find_alias needn't recheck IS_ROOT && DCACHE_DISCONNECTED
dcache: remove unused d_find_alias parameter
dcache: d_obtain_alias callers don't all want DISCONNECTED
dcache: d_splice_alias should ignore DCACHE_DISCONNECTED
dcache: d_splice_alias mustn't create directory aliases
dcache: close d_move race in d_splice_alias
dcache: move d_splice_alias
namei: trivial fix to vfs_rename_dir comment
VFS: allow ->d_manage() to declare -EISDIR in rcu_walk mode.
cifs: support RENAME_NOREPLACE
hostfs: support rename flags
shmem: support RENAME_EXCHANGE
shmem: support RENAME_NOREPLACE
btrfs: add RENAME_NOREPLACE
...
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Linus Torvalds
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c7a19c795b |
Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dma updates from Vinod Koul:
"Some notable changes are:
- new driver for AMBA AXI NBPF by Guennadi
- new driver for sun6i controller by Maxime
- pl330 drivers fixes from Lar's
- sh-dma updates and fixes from Laurent, Geert and Kuninori
- Documentation updates from Geert
- drivers fixes and updates spread over dw, edma, freescale, mpc512x
etc.."
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (72 commits)
dmaengine: sun6i: depends on RESET_CONTROLLER
dma: at_hdmac: fix invalid remaining bytes detection
dmaengine: nbpfaxi: don't build this driver where it cannot be used
dmaengine: nbpf_error_get_channel() can be static
dma: pl08x: Use correct specifier for size_t values
dmaengine: Remove the context argument to the prep_dma_cyclic operation
dmaengine: nbpfaxi: convert to tasklet
dmaengine: nbpfaxi: fix a theoretical race
dmaengine: add a driver for AMBA AXI NBPF DMAC IP cores
dmaengine: add device tree binding documentation for the nbpfaxi driver
dmaengine: edma: Do not register second device when booted with DT
dmaengine: edma: Do not change the error code returned from edma_alloc_slot
dmaengine: rcar-dmac: Add device tree bindings documentation
dmaengine: shdma: Allocate cyclic sg list dynamically
dmaengine: shdma: Make channel filter ignore unrelated devices
dmaengine: sh: Rework Kconfig and Makefile
dmaengine: sun6i: Fix memory leaks
dmaengine: sun6i: Free the interrupt before killing the tasklet
dmaengine: sun6i: Remove switch statement from buswidth convertion routine
dmaengine: of: kconfig: select DMA_ENGINE when DMA_OF is selected
...
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Linus Torvalds
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5fd41f2a10 |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal updates from Zhang Rui:
"Specifics:
- adds full support for 2 types of Thermal Controllers produced by
STMicroelectronics. One is a more traditional memory mapped
variant, the other is controlled solely by system configuration
registers. From Lee Jones.
- add TMU (Thermal Management Unit) support for Exynos3250 Soc.
From Chanwoo Choi.
- add critical and passive trip point support for int3403 thermal
driver. From Srinivas Pandruvada.
- a couple of small fixes/cleanups from Javi Merino, and Geert
Uytterhoeven"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: document struct thermal_zone_device and thermal_governor
thermal: cpu_cooling: fix typo highjack -> hijack
thermal: rcar: Document SoC-specific bindings
thermal: samsung: Add TMU support for Exynos3250 SoC
thermal: exynos: fix ordering in exynos_tmu_remove()
thermal: allow building dove_thermal with mvebu
thermal: sti: Add support for ST's Memory Mapped based Thermal controller
thermal: sti: Add support for ST's System Config Register based Thermal controller
thermal: sti: Introduce ST Thermal core code
thermal: sti: Supply Device Tree documentation
Thermal: int3403: Add CRT and PSV trip
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Grant Likely
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663d3f7c2e |
Merge branch 'devicetree/next-overlay' into devicetree/next
Conflicts: drivers/of/testcase-data/testcases.dts |
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Jaehoon Chung
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c83c8737e3 |
mmc: dw_mmc: modify the dt-binding for removing slot-node and supports-highspeed
Almost all SoCs use one slot per host controller. (Even if controller can support the multiple slot, Recommend to use one slot per host controller.) Don't use the slot-node and deprecate the "supports-highspeed" property. Instead, use the cap-mmc/sd-highspeed. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Tushar Behera <trblinux@gmail.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Tested-by: Sachin Kamat <sachin.kamat@samsung.com> Acked-by: Seungwon Jeon <tgih.jun@samsung.com> Reviewed-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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Ira Weiny
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0f29b46d49 |
IB/mad: add new ioctl to ABI to support new registration options
Registrations options are specified through flags. Definitions of flags will be in subsequent patches. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com> |
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Linus Torvalds
|
023f78b02c |
Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull CIFS updates from Steve French: "The most visible change in this set is the additional of multi-credit support for SMB2/SMB3 which dramatically improves the large file i/o performance for these dialects and significantly increases the maximum i/o size used on the wire for SMB2/SMB3. Also reconnection behavior after network failure is improved" * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: (35 commits) Add worker function to set allocation size [CIFS] Fix incorrect hex vs. decimal in some debug print statements update CIFS TODO list Add Pavel to contributor list in cifs AUTHORS file Update cifs version CIFS: Fix STATUS_CANNOT_DELETE error mapping for SMB2 CIFS: Optimize readpages in a short read case on reconnects CIFS: Optimize cifs_user_read() in a short read case on reconnects CIFS: Improve indentation in cifs_user_read() CIFS: Fix possible buffer corruption in cifs_user_read() CIFS: Count got bytes in read_into_pages() CIFS: Use separate var for the number of bytes got in async read CIFS: Indicate reconnect with ECONNABORTED error code CIFS: Use multicredits for SMB 2.1/3 reads CIFS: Fix rsize usage for sync read CIFS: Fix rsize usage in user read CIFS: Separate page reading from user read CIFS: Fix rsize usage in readpages CIFS: Separate page search from readpages CIFS: Use multicredits for SMB 2.1/3 writes ... |
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Linus Torvalds
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f7dbaef505 |
Merge branch 'i2c/for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Highlights:
- class based instantiation finally dropped for most embedded drivers
bringing boot up performance gains
- removed two drivers (one outdated, one a duplicate)
- ACPI has now operation region support (thanks to Lan Tianyu)
- the i2c-stub driver got overhauled and gained new features to
become more useful when writing i2c client drivers (thanks to
Guenter Roeck and Jean Delvare)
The rest is driver bugfixes, added bindings/ids, cleanups..."
* 'i2c/for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (43 commits)
i2c: mpc: delete unneeded test before of_node_put
i2c: rk3x: fix interrupt handling issue
i2c: imx: Fix format warning for dev_dbg
i2c: qup: disable clks and return instead of just returning error
i2c: exynos5: always enable HSI2C
i2c: designware: add new bindings
i2c: gpio: Drop dead code in i2c_gpio_remove
i2c: pca954x: put the mux to disconnected state after resume
i2c: st: Update i2c timings
drivers/i2c/busses: use correct type for dma_map/unmap
i2c: i2c-st: Use %pa to print 'resource_size_t' type
i2c: s3c2410: resume the I2C controller earlier
i2c: stub: Avoid an array overrun on I2C block transfers
i2c: i801: Add device ID for Intel Wildcat Point PCH
i2c: i801: Fix the alignment of the device table
i2c: stub: Add support for banked register ranges
i2c: stub: Remember the number of emulated chips
i2c: stub: Add support for SMBus block commands
i2c: efm32: correct namespacing of location property
i2c: exynos5: remove extra line and fix an assignment
...
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Johannes Weiner
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7b9828d441 |
Documentation: SubmittingPatches: overhaul changelog description
Maintainers often repeat the same feedback on poorly written changelogs - describe the problem, justify your changes, quantify optimizations, describe user-visible changes - but our documentation on writing changelogs doesn't include these things. Fix that. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Pavel Machek
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d74aae4ea0 |
Documentation: freefall: simplify pathnames
Copying to local variable is actually not neccessary, if all we need to do is snprintf(). This also removes problem where devname could be missing zero termination. Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Michael Ellerman
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efe4a77221 |
Documentation: add How to avoid botching up ioctls
I pointed some folks at this and they wondered why it wasn't in the kernel Documentation directory. So now it is. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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c309bfa9b4 |
MTD updates for 3.17-rc1
AMD-compatible CFI driver:
- Support OTP programming for Micron M29EW family
- Increase buffer write timeout, according to detected flash parameter info
NAND
- Add helpers for retrieving ONFI timing modes
- GPMI: provide option to disable bad block marker swapping (required for
Ka-On electronics platforms)
SPI NOR
- EON EN25QH128 support
- Support new Flag Status Register (FSR) on a few Micron flash
Common
- New sysfs entries for bad block and ECC stats
And a few miscellaneous refactorings, cleanups, and driver improvements
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Merge tag 'for-linus-20140808' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
"AMD-compatible CFI driver:
- Support OTP programming for Micron M29EW family
- Increase buffer write timeout, according to detected flash
parameter info
NAND
- Add helpers for retrieving ONFI timing modes
- GPMI: provide option to disable bad block marker swapping (required
for Ka-On electronics platforms)
SPI NOR
- EON EN25QH128 support
- Support new Flag Status Register (FSR) on a few Micron flash
Common
- New sysfs entries for bad block and ECC stats
And a few miscellaneous refactorings, cleanups, and driver
improvements"
* tag 'for-linus-20140808' of git://git.infradead.org/linux-mtd: (31 commits)
mtd: gpmi: make blockmark swapping optional
mtd: gpmi: remove line breaks from error messages and improve wording
mtd: gpmi: remove useless (void *) type casts and spaces between type casts and variables
mtd: atmel_nand: NFC: support multiple interrupt handling
mtd: atmel_nand: implement the nfc_device_ready() by checking the R/B bit
mtd: atmel_nand: add NFC status error check
mtd: atmel_nand: make ecc parameters same as definition
mtd: nand: add ONFI timing mode to nand_timings converter
mtd: nand: define struct nand_timings
mtd: cfi_cmdset_0002: fix do_write_buffer() timeout error
mtd: denali: use 8 bytes for READID command
mtd/ftl: fix the double free of the buffers allocated in build_maps()
mtd: phram: Fix whitespace issues
mtd: spi-nor: add support for EON EN25QH128
mtd: cfi_cmdset_0002: Add support for locking OTP memory
mtd: cfi_cmdset_0002: Add support for writing OTP memory
mtd: cfi_cmdset_0002: Invalidate cache after entering/exiting OTP memory
mtd: cfi_cmdset_0002: Add support for reading OTP
mtd: spi-nor: add support for flag status register on Micron chips
mtd: Account for BBT blocks when a partition is being allocated
...
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Linus Torvalds
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9e9ac89666 |
fbdev changes for 3.17
* Much better HDMI infoframe support for OMAP * Cirrus Logic CLPS711X framebuffer driver * DT support for PL11x CLCD driver * Various small fixes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJT5LUrAAoJEPo9qoy8lh71G2kP/RyomOV8mOPErkVgslJukMlW iJO/Y47GcnHzosKK+7u8MUXlpbBdZjyoaKJxuh+D1OL0vc/LrSar4IwicqqGcD2C l5N8b9NytOf+sjtYuD24xkGo9bLr8vkaVNC3cgPNjE/x1kgRrtHoap1NOlv8vvuT OnbSkRdg/oENrdzwWjwJeayvT5a3TxLJY5JM9IMTzw6CKROIYScEmHUsy0jH2h/g 60OrGPdzmPPutUKA/ZWe8Nu0Mhf4GcOeIl8CZ/u7ZyME7NKezyF0iATpMzn3+ylf 9GafGbsxwgNW2KwoF379w6CV49UNyQhx4qxlkg8/N2km6ot6s1WoJrb/32qPu05J Wydfbovxo9elM/144m47a89TR4xV6Ia35kbSDmwrR7gmKjIDUE34Ruc7RdCLdO8n SxIG5724pktKlP1bdOT6gCLFnDq6vFK0gNnWwlCRKWnwg0H+Cyg5S07BNEF7/dvO gOkRPuyWz3m4rlpl9dL+TW+jaQR/FQAAgf8pUdjBeUTogUTvWf2NBb3H1bKoAnaE 4fhLwE1qUxep3rhOqOpLbGzDmpvt0ebcNJzseypaSTO9c8QNbZJkxLLC1jchUjPj 6FP4/SocuySik3on6Qulj6xGrp4zskBnjsTXOIZzxXjByX6uf/DNWPHEcEM9zIEk u0trGuXxlx8JkRkV/7aE =gXX+ -----END PGP SIGNATURE----- Merge tag 'fbdev-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev updates from Tomi Valkeinen: - much better HDMI infoframe support for OMAP - Cirrus Logic CLPS711X framebuffer driver - DT support for PL11x CLCD driver - various small fixes * tag 'fbdev-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (35 commits) OMAPDSS: DSI: fix depopulating dsi peripherals video: hyperv: hyperv_fb: refresh the VM screen by force on VM panic video: ARM CLCD: Fix DT-related build problems drivers: video: fbdev: atmel_lcdfb.c: Add ability to inverted backlight PWM. video: ARM CLCD: Add DT support drm/omap: Add infoframe & dvi/hdmi mode support OMAPDSS: HDMI: remove the unused code OMAPDSS: HDMI5: add support to set infoframe & HDMI mode OMAPDSS: HDMI4: add support to set infoframe & HDMI mode OMAPDSS: HDMI: add infoframe and hdmi_dvi_mode fields OMAPDSS: add hdmi ops to hdmi-connector and tpd12s015 OMAPDSS: add hdmi ops to hdmi_ops and omap_dss_driver OMAPDSS: HDMI: remove custom avi infoframe OMAPDSS: HDMI5: use common AVI infoframe support OMAPDSS: HDMI4: use common AVI infoframe support OMAPDSS: Kconfig: select HDMI OMAPDSS: HDMI: fix name conflict OMAPDSS: DISPC: clean up dispc_mgr_timings_ok OMAPDSS: DISPC: reject interlace for lcd out OMAPDSS: DISPC: fix debugfs reg dump ... |
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Linus Torvalds
|
34b20e6df6 |
pwm: Changes for v3.17-rc1
The set of changes for this merge window contains two new drivers: one for Rockchip SoCs and another for STMicroelectronics STiH4xx SoCs. The remainder of the changes are the usual small cleanups such as removing redundant OOM messages, signalling that a PWM chip's operations can sleep and removing an unneeded dependency. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJT5LH8AAoJEN0jrNd/PrOhm1gQAKZUW7ueTT5Ar9cwBvWwtHSr qLtTx0GxJ91cH6h2bNkhBLz3A2ps9KPcxWgDxfod4TyOHsqZmbAwVHZzORyxr3Hi n5iQST0SpH/Qon5iptbJdmdeDOJ2MOvLU6YrlCO5XdGzJjVt1JeCXCuYZn1FG4IJ rsZbvkp3w0U3BuRwq41FK2RqwlMp+6VkAjMd5gqLL8/AWnLGy+T5pLtADiOyNeBa f9EDqrVXz0PwuLt7JXR2TktAVEv/vlGWKnmqYWGTEr45BDsxRVdV49QMnMIIjrPA ohLKqYJgX5bU4XwHfbePLU/Jt8P1Kc+bdh4iTpMJSTEETdnMt0W9GdpwI+hKZThH hZoALp9KBimIh/To8LnuSLeJ4NItkXelLZzzvGbX4wJSSBtA/CvG+1akyRnhE86m Z5xp71tIBAQ45KHBz6sN95NTQirCLgbfReE7jo2xfAspqY8yUotorMoYdHz/gWMs xX/x4BdcfYBd25YDYT6SwNLZ0uGwtwxnRvzNURmpLu6WY177cg50CgL32skxVvIJ TlsQDVyQj8DcIb0GfevUk1X7EL6lYz2czjgpA2HvyNIXJRGJhm5+1iyTcaGOYQ4F WsZj8GI8ECF/LYssa4tyrT2WW7MbHpXY1f4Qn3AD+XymtSQ6la8pPEh2YXBPWwvr ep6Sbib+61h+mIMem25i =ZE0j -----END PGP SIGNATURE----- Merge tag 'pwm/for-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm changes from Thierry Reding: "The set of changes for this merge window contains two new drivers: one for Rockchip SoCs and another for STMicroelectronics STiH4xx SoCs. The remainder of the changes are the usual small cleanups such as removing redundant OOM messages, signalling that a PWM chip's operations can sleep and removing an unneeded dependency" * tag 'pwm/for-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: rockchip: Added to support for RK3288 SoC pwm: rockchip: document RK3288 SoC compatible pwm: sti: Remove PWM period table pwm: sti: Sync between enable/disable calls pwm: sti: Ensure same period values for all channels pwm: sti: Fix PWM prescaler handling pwm: sti: Supply Device Tree binding documentation for ST's PWM IP pwm: sti: Add new driver for ST's PWM IP pwm: imx: set can_sleep flag for imx_pwm pwm: lpss: remove dependency on clk framework pwm: pwm-tipwmss: remove unnecessary OOM messages pwm: rockchip: document device tree bindings pwm: add Rockchip SoC PWM support |
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Linus Torvalds
|
06b49ea43c |
This is the bulk of GPIO changes for the v3.17 development
cycle, and this time we got a lot of action going on and
it will continue:
- The core GPIO library implementation has been split up in
three different files:
- gpiolib.c for the latest and greatest and shiny GPIO
library code using GPIO descriptors only
- gpiolib-legacy.c for the old integer number space API
that we are phasing out gradually
- gpiolib-sysfs.c for the sysfs interface that we are
not entirely happy with, but has to live on for
ABI compatibility
- Add a flags argument to *gpiod_get* functions, with some
backward-compatibility macros to ease transitions. We
should have had the flags there from the beginning it
seems, now we need to clean up the mess. There is a plan
on how to move forward here devised by Alexandre Courbot
and Mark Brown.
- Split off a special <linux/gpio/machine.h> header for the
board gpio table registration, as per example from the
regulator subsystem.
- Start to kill off the return value from gpiochip_remove()
by removing the __must_check attribute and removing all
checks inside the drivers/gpio directory. The rationale
is: well what were we supposed to do if there is an error
code? Not much: print an error message. And gpiolib already
does that. So make this function return void eventually.
- Some cleanups of hairy gpiolib code, make some functions
not to be used outside the library private and make sure
they are not exported, remove gpiod_lock/unlock_as_irq()
as the existing function is for driver-internal use and
fine as it is, delete gpio_ensure_requested() as it is
not meaningful anymore.
- Support the GPIOF_ACTIVE_LOW flag from gpio_request_one()
function calls, which is logical since this is already
supported when referencing GPIOs from e.g. device trees.
- Switch STMPE, intel-mid, lynxpoint and ACPI (!) to use
the gpiolib irqchip helpers cutting down on GPIO irqchip
boilerplate a bit more.
- New driver for the Zynq GPIO block.
- The usual incremental improvements around a bunch of
drivers.
- Janitorial syntactic and semantic cleanups by Jingoo Han,
and Rickard Strandqvist especially.
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Merge tag 'gpio-v3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO update from Linus Walleij:
"This is the bulk of GPIO changes for the v3.17 development cycle, and
this time we got a lot of action going on and it will continue:
- The core GPIO library implementation has been split up in three
different files:
- gpiolib.c for the latest and greatest and shiny GPIO library code
using GPIO descriptors only
- gpiolib-legacy.c for the old integer number space API that we are
phasing out gradually
- gpiolib-sysfs.c for the sysfs interface that we are not entirely
happy with, but has to live on for ABI compatibility
- Add a flags argument to *gpiod_get* functions, with some
backward-compatibility macros to ease transitions. We should have
had the flags there from the beginning it seems, now we need to
clean up the mess. There is a plan on how to move forward here
devised by Alexandre Courbot and Mark Brown
- Split off a special <linux/gpio/machine.h> header for the board
gpio table registration, as per example from the regulator
subsystem
- Start to kill off the return value from gpiochip_remove() by
removing the __must_check attribute and removing all checks inside
the drivers/gpio directory. The rationale is: well what were we
supposed to do if there is an error code? Not much: print an error
message. And gpiolib already does that. So make this function
return void eventually
- Some cleanups of hairy gpiolib code, make some functions not to be
used outside the library private and make sure they are not
exported, remove gpiod_lock/unlock_as_irq() as the existing
function is for driver-internal use and fine as it is, delete
gpio_ensure_requested() as it is not meaningful anymore
- Support the GPIOF_ACTIVE_LOW flag from gpio_request_one() function
calls, which is logical since this is already supported when
referencing GPIOs from e.g. device trees
- Switch STMPE, intel-mid, lynxpoint and ACPI (!) to use the gpiolib
irqchip helpers cutting down on GPIO irqchip boilerplate a bit more
- New driver for the Zynq GPIO block
- The usual incremental improvements around a bunch of drivers
- Janitorial syntactic and semantic cleanups by Jingoo Han, and
Rickard Strandqvist especially"
* tag 'gpio-v3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (37 commits)
MAINTAINERS: update GPIO include files
gpio: add missing includes in machine.h
gpio: add flags argument to gpiod_get*() functions
MAINTAINERS: Update Samsung pin control entry
gpio / ACPI: Move event handling registration to gpiolib irqchip helpers
gpio: lynxpoint: Convert to use gpiolib irqchip
gpio: split gpiod board registration into machine header
gpio: remove gpio_ensure_requested()
gpio: remove useless check in gpiolib_sysfs_init()
gpiolib: Export gpiochip_request_own_desc and gpiochip_free_own_desc
gpio: move gpio_ensure_requested() into legacy C file
gpio: remove gpiod_lock/unlock_as_irq()
gpio: make gpiochip_get_desc() gpiolib-private
gpio: simplify gpiochip_export()
gpio: remove export of private of_get_named_gpio_flags()
gpio: Add support for GPIOF_ACTIVE_LOW to gpio_request_one functions
gpio: zynq: Clear pending interrupt when enabling a IRQ
gpio: drop retval check enforcing from gpiochip_remove()
gpio: remove all usage of gpio_remove retval in driver/gpio
devicetree: Add Zynq GPIO devicetree bindings documentation
...
|
|
|
Linus Torvalds
|
664fb23070 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: - big update to Wacom driver by Benjamin Tissoires, converting it to HID infrastructure and unifying USB and Bluetooth models - large update to ALPS driver by Hans de Goede, which adds support for newer touchpad models as well as cleans up and restructures the code - more changes to Atmel MXT driver, including device tree support - new driver for iPaq x3xxx touchscreen - driver for serial Wacom tablets - driver for Microchip's CAP1106 - assorted cleanups and improvements to existing drover and input core * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (93 commits) Input: wacom - update the ABI doc according to latest changes Input: wacom - only register once the MODULE_* macros Input: HID - remove hid-wacom Bluetooth driver Input: wacom - add copyright note and bump version to 2.0 Input: wacom - remove passing id for wacom_set_report Input: wacom - check for bluetooth protocol while setting OLEDs Input: wacom - handle Intuos 4 BT in wacom.ko Input: wacom - handle Graphire BT tablets in wacom.ko Input: wacom - prepare the driver to include BT devices Input: hyperv-keyboard - register as a wakeup source Input: imx_keypad - remove ifdef round PM methods Input: jornada720_ts - get rid of space indentation and use tab Input: jornada720_ts - switch to using managed resources Input: alps - Rushmore and v7 resolution support Input: mcs5000_ts - remove ifdef around power management methods Input: mcs5000_ts - protect PM functions with CONFIG_PM_SLEEP Input: ads7846 - release resources on failure for clean exit Input: wacom - add support for 0x12C ISDv4 sensor Input: atmel_mxt_ts - use deep sleep mode when stopped ARM: dts: am437x-gp-evm: Update binding for touchscreen size ... |
|
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Linus Torvalds
|
8065be8d03 |
Merge branch 'akpm' (second patchbomb from Andrew Morton)
Merge more incoming from Andrew Morton:
"Two new syscalls:
memfd_create in "shm: add memfd_create() syscall"
kexec_file_load in "kexec: implementation of new syscall kexec_file_load"
And:
- Most (all?) of the rest of MM
- Lots of the usual misc bits
- fs/autofs4
- drivers/rtc
- fs/nilfs
- procfs
- fork.c, exec.c
- more in lib/
- rapidio
- Janitorial work in filesystems: fs/ufs, fs/reiserfs, fs/adfs,
fs/cramfs, fs/romfs, fs/qnx6.
- initrd/initramfs work
- "file sealing" and the memfd_create() syscall, in tmpfs
- add pci_zalloc_consistent, use it in lots of places
- MAINTAINERS maintenance
- kexec feature work"
* emailed patches from Andrew Morton <akpm@linux-foundation.org: (193 commits)
MAINTAINERS: update nomadik patterns
MAINTAINERS: update usb/gadget patterns
MAINTAINERS: update DMA BUFFER SHARING patterns
kexec: verify the signature of signed PE bzImage
kexec: support kexec/kdump on EFI systems
kexec: support for kexec on panic using new system call
kexec-bzImage64: support for loading bzImage using 64bit entry
kexec: load and relocate purgatory at kernel load time
purgatory: core purgatory functionality
purgatory/sha256: provide implementation of sha256 in purgaotory context
kexec: implementation of new syscall kexec_file_load
kexec: new syscall kexec_file_load() declaration
kexec: make kexec_segment user buffer pointer a union
resource: provide new functions to walk through resources
kexec: use common function for kimage_normal_alloc() and kimage_crash_alloc()
kexec: move segment verification code in a separate function
kexec: rename unusebale_pages to unusable_pages
kernel: build bin2c based on config option CONFIG_BUILD_BIN2C
bin2c: move bin2c in scripts/basic
shm: wait for pins to be released when sealing
...
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|
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Josh Hunt
|
69361eef90 |
panic: add TAINT_SOFTLOCKUP
This taint flag will be set if the system has ever entered a softlockup state. Similar to TAINT_WARN it is useful to know whether or not the system has been in a softlockup state when debugging. [akpm@linux-foundation.org: apply the taint before calling panic()] Signed-off-by: Josh Hunt <johunt@akamai.com> Cc: Jason Baron <jbaron@akamai.com> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Alexandre Bounine
|
50835e977b |
rapidio/tsi721_dma: rework scatter-gather list handling
Rework Tsi721 RapidIO DMA engine support to allow handling data scatter/gather lists longer than number of hardware buffer descriptors in the DMA channel's descriptor list. The current implementation of Tsi721 DMA transfers requires that number of entries in a scatter/gather list provided by a caller of dmaengine_prep_rio_sg() should not exceed number of allocated hardware buffer descriptors. This patch removes the limitation by processing long scatter/gather lists by sections that can be transferred using hardware descriptor ring of configured size. It also introduces a module parameter "dma_desc_per_channel" to allow run-time configuration of Tsi721 hardware buffer descriptor rings. Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com> Cc: Stef van Os <stef.van.os@prodrive-technologies.com> Cc: Vinod Koul <vinod.koul@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vyacheslav Dubeyko
|
a5a7332a29 |
nilfs2: add /sys/fs/nilfs2/<device>/mounted_snapshots/<snapshot> group
This patch adds creation of <snapshot> group for every mounted snapshot in /sys/fs/nilfs2/<device>/mounted_snapshots group. The group contains details about mounted snapshot: (1) inodes_count - show number of inodes for snapshot. (2) blocks_count - show number of blocks for snapshot. Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vyacheslav Dubeyko
|
a2ecb791a9 |
nilfs2: add /sys/fs/nilfs2/<device>/mounted_snapshots group
This patch adds creation of /sys/fs/nilfs2/<device>/mounted_snapshots group. The mounted_snapshots group contains group for every mounted snapshot. Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vyacheslav Dubeyko
|
02a0ba1c60 |
nilfs2: add /sys/fs/nilfs2/<device>/checkpoints group
This patch adds creation of /sys/fs/nilfs2/<device>/checkpoints group. The checkpoints group contains attributes that describe details about volume's checkpoints: (1) checkpoints_number - show number of checkpoints on volume. (2) snapshots_number - show number of snapshots on volume. (3) last_seg_checkpoint - show checkpoint number of the latest segment. (4) next_checkpoint - show next checkpoint number. Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
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Vyacheslav Dubeyko
|
ef43d5cd84 |
nilfs2: add /sys/fs/nilfs2/<device>/segments group
This patch adds creation of /sys/fs/nilfs2/<device>/segments group. The segments group contains attributes that describe details about volume's segments: (1) segments_number - show number of segments on volume. (2) blocks_per_segment - show number of blocks in segment. (3) clean_segments - show count of clean segments. (4) dirty_segments - show count of dirty segments. Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
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Vyacheslav Dubeyko
|
abc968dbf2 |
nilfs2: add /sys/fs/nilfs2/<device>/segctor group
This patch adds creation of /sys/fs/nilfs2/<device>/segctor group. The segctor group contains attributes that describe segctor thread activity details: (1) last_pseg_block - show start block number of the latest segment. (2) last_seg_sequence - show sequence value of the latest segment. (3) last_seg_checkpoint - show checkpoint number of the latest segment. (4) current_seg_sequence - show segment sequence counter. (5) current_last_full_seg - show index number of the latest full segment. (6) next_full_seg - show index number of the full segment index to be used next. (7) next_pseg_offset - show offset of next partial segment in the current full segment. (8) next_checkpoint - show next checkpoint number. (9) last_seg_write_time - show write time of the last segment in human-readable format. (10) last_seg_write_time_secs - show write time of the last segment in seconds. (11) last_nongc_write_time - show write time of the last segment not for cleaner operation in human-readable format. (12) last_nongc_write_time_secs - show write time of the last segment not for cleaner operation in seconds. (13) dirty_data_blocks_count - show number of dirty data blocks. Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vyacheslav Dubeyko
|
caa05d49df |
nilfs2: add /sys/fs/nilfs2/<device>/superblock group
This patch adds creation of /sys/fs/nilfs2/<device>/superblock group. The superblock group contains attributes that describe superblock's details: (1) sb_write_time - show previous write time of super block in human-readable format. (2) sb_write_time_secs - show previous write time of super block in seconds. (3) sb_write_count - show write count of super block. (4) sb_update_frequency - show/set interval of periodical update of superblock (in seconds). You can set preferable frequency of superblock update by command: echo <value> > /sys/fs/nilfs2/<device>/superblock/sb_update_frequency Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
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Vyacheslav Dubeyko
|
da7141fb78 |
nilfs2: add /sys/fs/nilfs2/<device> group
This patch adds creation of /sys/fs/nilfs2/<device> group. The <device> group contains attributes that describe file system partition's details: (1) revision - show NILFS file system revision. (2) blocksize - show volume block size in bytes. (3) device_size - show volume size in bytes. (4) free_blocks - show count of free blocks on volume. (5) uuid - show volume's UUID. (6) volume_name - show volume's name. Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Vyacheslav Dubeyko
|
aebe17f684 |
nilfs2: add /sys/fs/nilfs2/features group
This patchset implements creation of sysfs groups and attributes with the purpose to show NILFS2 volume details, internal state of the driver and to manage internal state of NILFS2 driver. Sysfs is a virtual file system that exports information about devices and drivers from the kernel device model to user space, and is also used for configuration. NILFS2 is a complex file system that has segctor thread, GC thread, checkpoint/snapshot model and so on. Sysfs namespace provides native and easy way for: (1) getting info and statistics about volume state; (2) getting info and configuration of internal subsystems (segctor thread); (3) snapshots management. Suggested patchset provides basis for managing segctor thread behaviour and manipulation by snapshots. Currently, it informs only about segctor thread's internal parameters and about mounted snapshots. But sysfs interface can provide easy and simple way for deep management of segctor thread and snapshots. This patchset provides opportunity to manage interval of periodical update of superblock (in seconds). Default value is 10 seconds. Now a user can increase this value by means of nilfs2/<device>/superblock/sb_update_frequency attribute in the case of necessity. Also the patchset provides opportunity to get information easily about key volumes's parameters (free blocks, superblock write count, superblock update frequency, latest segment info, dirty data blocks count, count of clean segments, count of dirty segments and so on) in real time manner. Such information can be used in scripts for subtle management of filesystem. Implemented functionality creates such groups: (1) /sys/fs/nilfs2 - root group (2) /sys/fs/nilfs2/features - group contains attributes that describe NILFS file system driver features (3) /sys/fs/nilfs2/<device> - group contains attributes that describe file system partition's details (4) /sys/fs/nilfs2/<device>/superblock - group contains attributes that describe superblock's details (5) /sys/fs/nilfs2/<device>/segctor - group contains attributes that describe segctor thread activity details (6) /sys/fs/nilfs2/<device>/segments - group contains attributes that describe details about volume's segments (7) /sys/fs/nilfs2/<device>/checkpoints - group contains attributes that describe details about volume's checkpoints (8) /sys/fs/nilfs2/<device>/mounted_snapshots - group contains group for every mounted snapshot (9) /sys/fs/nilfs2/<device>/mounted_snapshots/<snapshot> - group contains details about mounted snapshot This patch (of 9): This patch adds code of creation /sys/fs/nilfs2 group and /sys/fs/nilfs2/features group. The features group contains attributes that describe NILFS file system driver features: (1) revision - show current revision of NILFS file system driver. There are two formats of timestamp output - seconds and human-readable format. Every showed timestamp has two sysfs files (time-<xxx> and time-<xxx>-secs). One sysfs file (time-<xxx>) shows time in human-readable format. Another sysfs file (time-<xxx>-secs) shows time in seconds. It was reported by Michael Semon that timestamp output in human-readable format should be changed from "2014-4-12 14:5:38" to "2014-04-12 14:05:38". Second version of the patch fixes this issue. Reported-by: Michael L. Semon <mlsemon35@gmail.com> Signed-off-by: Vyacheslav Dubeyko <Vyacheslav.Dubeyko@hgst.com> Cc: Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Søren Andersen
|
796b7abb33 |
rtc: add pcf85063 support
Add support for the pcf85063 rtc chip. [akpm@linux-foundation.org: fix comment typo, tweak conding style] Signed-off-by: Soeren Andersen <san@rosetechnology.dk> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Johannes Weiner
|
0a31bc97c8 |
mm: memcontrol: rewrite uncharge API
The memcg uncharging code that is involved towards the end of a page's lifetime - truncation, reclaim, swapout, migration - is impressively complicated and fragile. Because anonymous and file pages were always charged before they had their page->mapping established, uncharges had to happen when the page type could still be known from the context; as in unmap for anonymous, page cache removal for file and shmem pages, and swap cache truncation for swap pages. However, these operations happen well before the page is actually freed, and so a lot of synchronization is necessary: - Charging, uncharging, page migration, and charge migration all need to take a per-page bit spinlock as they could race with uncharging. - Swap cache truncation happens during both swap-in and swap-out, and possibly repeatedly before the page is actually freed. This means that the memcg swapout code is called from many contexts that make no sense and it has to figure out the direction from page state to make sure memory and memory+swap are always correctly charged. - On page migration, the old page might be unmapped but then reused, so memcg code has to prevent untimely uncharging in that case. Because this code - which should be a simple charge transfer - is so special-cased, it is not reusable for replace_page_cache(). But now that charged pages always have a page->mapping, introduce mem_cgroup_uncharge(), which is called after the final put_page(), when we know for sure that nobody is looking at the page anymore. For page migration, introduce mem_cgroup_migrate(), which is called after the migration is successful and the new page is fully rmapped. Because the old page is no longer uncharged after migration, prevent double charges by decoupling the page's memcg association (PCG_USED and pc->mem_cgroup) from the page holding an actual charge. The new bits PCG_MEM and PCG_MEMSW represent the respective charges and are transferred to the new page during migration. mem_cgroup_migrate() is suitable for replace_page_cache() as well, which gets rid of mem_cgroup_replace_page_cache(). However, care needs to be taken because both the source and the target page can already be charged and on the LRU when fuse is splicing: grab the page lock on the charge moving side to prevent changing pc->mem_cgroup of a page under migration. Also, the lruvecs of both pages change as we uncharge the old and charge the new during migration, and putback may race with us, so grab the lru lock and isolate the pages iff on LRU to prevent races and ensure the pages are on the right lruvec afterward. Swap accounting is massively simplified: because the page is no longer uncharged as early as swap cache deletion, a new mem_cgroup_swapout() can transfer the page's memory+swap charge (PCG_MEMSW) to the swap entry before the final put_page() in page reclaim. Finally, page_cgroup changes are now protected by whatever protection the page itself offers: anonymous pages are charged under the page table lock, whereas page cache insertions, swapin, and migration hold the page lock. Uncharging happens under full exclusion with no outstanding references. Charging and uncharging also ensure that the page is off-LRU, which serializes against charge migration. Remove the very costly page_cgroup lock and set pc->flags non-atomically. [mhocko@suse.cz: mem_cgroup_charge_statistics needs preempt_disable] [vdavydov@parallels.com: fix flags definition] Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Hugh Dickins <hughd@google.com> Cc: Tejun Heo <tj@kernel.org> Cc: Vladimir Davydov <vdavydov@parallels.com> Tested-by: Jet Chen <jet.chen@intel.com> Acked-by: Michal Hocko <mhocko@suse.cz> Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Vladimir Davydov <vdavydov@parallels.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
|
|
Johannes Weiner
|
00501b531c |
mm: memcontrol: rewrite charge API
These patches rework memcg charge lifetime to integrate more naturally
with the lifetime of user pages. This drastically simplifies the code and
reduces charging and uncharging overhead. The most expensive part of
charging and uncharging is the page_cgroup bit spinlock, which is removed
entirely after this series.
Here are the top-10 profile entries of a stress test that reads a 128G
sparse file on a freshly booted box, without even a dedicated cgroup (i.e.
executing in the root memcg). Before:
15.36% cat [kernel.kallsyms] [k] copy_user_generic_string
13.31% cat [kernel.kallsyms] [k] memset
11.48% cat [kernel.kallsyms] [k] do_mpage_readpage
4.23% cat [kernel.kallsyms] [k] get_page_from_freelist
2.38% cat [kernel.kallsyms] [k] put_page
2.32% cat [kernel.kallsyms] [k] __mem_cgroup_commit_charge
2.18% kswapd0 [kernel.kallsyms] [k] __mem_cgroup_uncharge_common
1.92% kswapd0 [kernel.kallsyms] [k] shrink_page_list
1.86% cat [kernel.kallsyms] [k] __radix_tree_lookup
1.62% cat [kernel.kallsyms] [k] __pagevec_lru_add_fn
After:
15.67% cat [kernel.kallsyms] [k] copy_user_generic_string
13.48% cat [kernel.kallsyms] [k] memset
11.42% cat [kernel.kallsyms] [k] do_mpage_readpage
3.98% cat [kernel.kallsyms] [k] get_page_from_freelist
2.46% cat [kernel.kallsyms] [k] put_page
2.13% kswapd0 [kernel.kallsyms] [k] shrink_page_list
1.88% cat [kernel.kallsyms] [k] __radix_tree_lookup
1.67% cat [kernel.kallsyms] [k] __pagevec_lru_add_fn
1.39% kswapd0 [kernel.kallsyms] [k] free_pcppages_bulk
1.30% cat [kernel.kallsyms] [k] kfree
As you can see, the memcg footprint has shrunk quite a bit.
text data bss dec hex filename
37970 9892 400 48262 bc86 mm/memcontrol.o.old
35239 9892 400 45531 b1db mm/memcontrol.o
This patch (of 4):
The memcg charge API charges pages before they are rmapped - i.e. have an
actual "type" - and so every callsite needs its own set of charge and
uncharge functions to know what type is being operated on. Worse,
uncharge has to happen from a context that is still type-specific, rather
than at the end of the page's lifetime with exclusive access, and so
requires a lot of synchronization.
Rewrite the charge API to provide a generic set of try_charge(),
commit_charge() and cancel_charge() transaction operations, much like
what's currently done for swap-in:
mem_cgroup_try_charge() attempts to reserve a charge, reclaiming
pages from the memcg if necessary.
mem_cgroup_commit_charge() commits the page to the charge once it
has a valid page->mapping and PageAnon() reliably tells the type.
mem_cgroup_cancel_charge() aborts the transaction.
This reduces the charge API and enables subsequent patches to
drastically simplify uncharging.
As pages need to be committed after rmap is established but before they
are added to the LRU, page_add_new_anon_rmap() must stop doing LRU
additions again. Revive lru_cache_add_active_or_unevictable().
[hughd@google.com: fix shmem_unuse]
[hughd@google.com: Add comments on the private use of -EAGAIN]
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vladimir Davydov <vdavydov@parallels.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
|
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Linus Torvalds
|
10c8e05620 |
ARM: SoC driver changes for 3.17
A handful of driver-related changes. We've had a bunch of them going in through
other branches as well, so it's only a part of what we really have this release.
Larger pieces are:
* Removal of a now unused PWM driver for atmel
- This includes AVR32 changes that have been appropriately acked.
* Performance counter support for the arm CCN interconnect
* OMAP mailbox driver cleanups and consolidation
* PCI and SATA PHY drivers for SPEAr 13xx platforms
* Redefinition (with backwards compatibility!) of PCI DT bindings for Tegra to
better model regulators/power.
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Merge tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver changes from Olof Johansson:
"A handful of driver-related changes. We've had a bunch of them going
in through other branches as well, so it's only a part of what we
really have this release.
Larger pieces are:
- Removal of a now unused PWM driver for atmel
[ This includes AVR32 changes that have been appropriately acked ]
- Performance counter support for the arm CCN interconnect
- OMAP mailbox driver cleanups and consolidation
- PCI and SATA PHY drivers for SPEAr 13xx platforms
- Redefinition (with backwards compatibility!) of PCI DT bindings for
Tegra to better model regulators/power"
Note: this merge also fixes up the semantic conflict with the new
calling convention for devm_phy_create(), see commit
|
|
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Linus Torvalds
|
d4e1f5a14e |
ARM: SoC device-tree changes for 3.17
Unlike the board branch, this keeps having large sets of changes for
every release, but that's quite expected and is so far working well.
Most of this is plumbing for various device bindings and new platforms,
but there's also a bit of cleanup and code removal for things that
are moved from platform code to DT contents (some OMAP clock code in
particular).
There's also a pinctrl driver for tegra here (appropriately acked),
that's introduced this way to make it more bisectable.
I'm happy to say that there were no conflicts at all with this branch
this release, which means that changes are flowing through our tree as
expected instead of merged through driver maintainers (or at least not
done with conflicts).
There are several new boards added, and a couple of SoCs. In no particular
order:
* Rockchip RK3288 SoC support, including DTS for a dev board that they
have seeded with some community developers.
* Better support for Hardkernel Exynos4-based ODROID boards.
* CCF conversions (and dtsi contents) for several Renesas platforms.
* Gumstix Pepper (TI AM335x) board support
* TI eval board support for AM437x
* Allwinner A23 SoC, very similar to existing ones which mostly has
resulted in DT changes for support. Also includes support for an Ippo
tablet with the chipset.
* Allwinner A31 Hummingbird board support, not to be confused with the
SolidRun i.MX-based Hummingboard.
* Tegra30 Apalis board support
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Merge tag 'dt-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device-tree changes from Olof Johansson:
"Unlike the board branch, this keeps having large sets of changes for
every release, but that's quite expected and is so far working well.
Most of this is plumbing for various device bindings and new
platforms, but there's also a bit of cleanup and code removal for
things that are moved from platform code to DT contents (some OMAP
clock code in particular).
There's also a pinctrl driver for tegra here (appropriately acked),
that's introduced this way to make it more bisectable.
I'm happy to say that there were no conflicts at all with this branch
this release, which means that changes are flowing through our tree as
expected instead of merged through driver maintainers (or at least not
done with conflicts).
There are several new boards added, and a couple of SoCs. In no
particular order:
- Rockchip RK3288 SoC support, including DTS for a dev board that
they have seeded with some community developers.
- Better support for Hardkernel Exynos4-based ODROID boards.
- CCF conversions (and dtsi contents) for several Renesas platforms.
- Gumstix Pepper (TI AM335x) board support
- TI eval board support for AM437x
- Allwinner A23 SoC, very similar to existing ones which mostly has
resulted in DT changes for support. Also includes support for an
Ippo tablet with the chipset.
- Allwinner A31 Hummingbird board support, not to be confused with
the SolidRun i.MX-based Hummingboard.
- Tegra30 Apalis board support"
* tag 'dt-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (334 commits)
ARM: dts: Enable USB host0 (EHCI) on rk3288-evb
ARM: dts: add rk3288 ehci usb devices
ARM: dts: Turn on USB host vbus on rk3288-evb
ARM: tegra: apalis t30: fix device tree compatible node
ARM: tegra: paz00: Fix some indentation inconsistencies
ARM: zynq: DT: Clarify Xilinx Zynq platform
ARM: dts: rockchip: add watchdog node
ARM: dts: rockchip: remove pinctrl setting from radxarock uart2
ARM: dts: Add missing pinctrl for uart0/1 for exynos3250
ARM: dts: Remove duplicate 'interrput-parent' property for exynos3250
ARM: dts: Add TMU dt node to monitor the temperature for exynos3250
ARM: dts: Specify MAX77686 pmic interrupt for exynos5250-smdk5250
ARM: dts: cypress,cyapa trackpad is exynos5250-Snow only
ARM: dts: max77686 is exynos5250-snow only
ARM: zynq: DT: Remove DMA from board DTs
ARM: zynq: DT: Add CAN node
ARM: EXYNOS: Add exynos5260 PMU compatible string to DT match table
ARM: dts: Add PMU DT node for exynos5260 SoC
ARM: EXYNOS: Add support for Exynos5410 PMU
ARM: dts: Add PMU to exynos5410
...
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Linus Torvalds
|
b3345d7c57 |
ARM: SoC platform changes for 3.17
This is the bulk of new SoC enablement and other platform changes for 3.17:
* Samsung S5PV210 has been converted to DT and multiplatform
* Clock drivers and bindings for some of the lower-end i.MX 1/2 platforms
* Kirkwood, one of the popular Marvell platforms, is folded into the
mvebu platform code, removing mach-kirkwood.
* Hwmod data for TI AM43xx and DRA7 platforms.
* More additions of Renesas shmobile platform support
* Removal of plat-samsung contents that can be removed with S5PV210 being
multiplatform/DT-enabled and the other two old platforms being removed.
New platforms (most with only basic support right now):
* Hisilicon X5HD2 settop box chipset is introduced
* Mediatek MT6589 (mobile chipset) is introduced
* Broadcom BCM7xxx settop box chipset is introduced
+ as usual a lot other pieces all over the platform code.
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Merge tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Olof Johansson:
"This is the bulk of new SoC enablement and other platform changes for
3.17:
- Samsung S5PV210 has been converted to DT and multiplatform
- Clock drivers and bindings for some of the lower-end i.MX 1/2
platforms
- Kirkwood, one of the popular Marvell platforms, is folded into the
mvebu platform code, removing mach-kirkwood
- Hwmod data for TI AM43xx and DRA7 platforms
- More additions of Renesas shmobile platform support
- Removal of plat-samsung contents that can be removed with S5PV210
being multiplatform/DT-enabled and the other two old platforms
being removed
New platforms (most with only basic support right now):
- Hisilicon X5HD2 settop box chipset is introduced
- Mediatek MT6589 (mobile chipset) is introduced
- Broadcom BCM7xxx settop box chipset is introduced
+ as usual a lot other pieces all over the platform code"
* tag 'soc-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (240 commits)
ARM: hisi: remove smp from machine descriptor
power: reset: move hisilicon reboot code
ARM: dts: Add hix5hd2-dkb dts file.
ARM: debug: Rename Hi3716 to HIX5HD2
ARM: hisi: enable hix5hd2 SoC
ARM: hisi: add ARCH_HISI
MAINTAINERS: add entry for Broadcom ARM STB architecture
ARM: brcmstb: select GISB arbiter and interrupt drivers
ARM: brcmstb: add infrastructure for ARM-based Broadcom STB SoCs
ARM: configs: enable SMP in bcm_defconfig
ARM: add SMP support for Broadcom mobile SoCs
Documentation: arm: misc updates to Marvell EBU SoC status
Documentation: arm: add URLs to public datasheets for the Marvell Armada XP SoC
ARM: mvebu: fix build without platforms selected
ARM: mvebu: add cpuidle support for Armada 38x
ARM: mvebu: add cpuidle support for Armada 370
cpuidle: mvebu: add Armada 38x support
cpuidle: mvebu: add Armada 370 support
cpuidle: mvebu: rename the driver from armada-370-xp to mvebu-v7
ARM: mvebu: export the SCU address
...
|
|
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Linus Torvalds
|
44c916d58b |
ARM: SoC cleanups for 3.17
This merge window brings a good size of cleanups on various
platforms. Among the bigger ones:
* Removal of Samsung s5pc100 and s5p64xx platforms. Both of these have
lacked active support for quite a while, and after asking around nobody
showed interest in keeping them around. If needed, they could be
resurrected in the future but it's more likely that we would prefer
reintroduction of them as DT and multiplatform-enabled platforms
instead.
* OMAP4 controller code register define diet. They defined a lot of registers
that were never actually used, etc.
* Move of some of the Tegra platform code (PMC, APBIO, fuse, powergate)
to drivers/soc so it can be shared with 64-bit code. This also converts them
over to traditional driver models where possible.
* Removal of legacy gpio-samsung driver, since the last users have been
removed (moved to pinctrl)
Plus a bunch of smaller changes for various platforms that sort of
dissapear in the diffstat for the above. clps711x cleanups, shmobile
header file refactoring/moves for multiplatform friendliness, some misc
cleanups, etc.
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Merge tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"This merge window brings a good size of cleanups on various platforms.
Among the bigger ones:
- Removal of Samsung s5pc100 and s5p64xx platforms. Both of these
have lacked active support for quite a while, and after asking
around nobody showed interest in keeping them around. If needed,
they could be resurrected in the future but it's more likely that
we would prefer reintroduction of them as DT and
multiplatform-enabled platforms instead.
- OMAP4 controller code register define diet. They defined a lot of
registers that were never actually used, etc.
- Move of some of the Tegra platform code (PMC, APBIO, fuse,
powergate) to drivers/soc so it can be shared with 64-bit code.
This also converts them over to traditional driver models where
possible.
- Removal of legacy gpio-samsung driver, since the last users have
been removed (moved to pinctrl)
Plus a bunch of smaller changes for various platforms that sort of
dissapear in the diffstat for the above. clps711x cleanups, shmobile
header file refactoring/moves for multiplatform friendliness, some
misc cleanups, etc"
* tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (117 commits)
drivers: CCI: Correct use of ! and &
video: clcd-versatile: Depend on ARM
video: fix up versatile CLCD helper move
MAINTAINERS: Add sdhci-st file to ARCH/STI architecture
ARM: EXYNOS: Fix build breakge with PM_SLEEP=n
MAINTAINERS: Remove Kirkwood
ARM: tegra: Convert PMC to a driver
soc/tegra: fuse: Set up in early initcall
ARM: tegra: Always lock the CPU reset vector
ARM: tegra: Setup CPU hotplug in a pure initcall
soc/tegra: Implement runtime check for Tegra SoCs
soc/tegra: fuse: fix dummy functions
soc/tegra: fuse: move APB DMA into Tegra20 fuse driver
soc/tegra: Add efuse and apbmisc bindings
soc/tegra: Add efuse driver for Tegra
ARM: tegra: move fuse exports to soc/tegra/fuse.h
ARM: tegra: export apb dma readl/writel
ARM: tegra: Use a function to get the chip ID
ARM: tegra: Sort includes alphabetically
ARM: tegra: Move includes to include/soc/tegra
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Caesar Wang
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695d49d941 |
pwm: rockchip: document RK3288 SoC compatible
Document new compatible for PWM founding on RK3288 SoC Signed-off-by: Caesar Wang <caesar.wang@rock-chips.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> |
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Benjamin Tissoires
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c704b4ef1a |
Input: wacom - update the ABI doc according to latest changes
Now the devices show up under hid no matter the connection (for USB and Bluetooth, not serial nor i2c). The USB devices can now be easily found under /sys/bus/hid/devices/<bus>:<vid>:<pid>.<n> The Bluetooth devices could also be found under this path since their inclusion (April 2010), so this patch fixes the non-precise "hidraw*" path for them. The ABI has been unified while setting the LEDs and OLEDs. So Bluetooth devices lost their own LED selector but use the USB sysfs attribute. For OLEDs, Bluetooth devices handle only 1-bit images instead of 4 for USB. The documentation has been updated to match this. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Reviewed-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> |