293101 Commits

Author SHA1 Message Date
Linus Torvalds
81f05fee8c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:
 "The top merge commit was re-generated yesterday because two topic
  branches were dropped from this pull request in the last minute due to
  some unaddressed comments.  All the other material has been in
  linux-next for quite a while.

  Specifics:

   - Enhance thermal core to handle unexpected device cooling states
     after fresh boot and system resume.  From Zhang Rui and Chen Yu.

   - Several fixes and cleanups on Rockchip and RCAR thermal drivers.
     From Caesar Wang and Kuninori Morimoto.

   - Add Broxton support for Intel processor thermal reporting device
     driver.  From Amy Wiles"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  thermal: trip_point_temp_store() calls thermal_zone_device_update()
  thermal: rcar: rcar_thermal_get_temp() return error if strange temp
  thermal: rcar: check irq possibility in rcar_thermal_irq_xxx()
  thermal: rcar: check every rcar_thermal_update_temp() return value
  thermal: rcar: move rcar_thermal_dt_ids to upside
  thermal: rockchip: Support the RK3399 SoCs in thermal driver
  thermal: rockchip: Support the RK3228 SoCs in thermal driver
  dt-bindings: rockchip-thermal: Support the RK3228/RK3399 SoCs compatible
  thermal: rockchip: fix a trivial typo
  Thermal: Enable Broxton SoC thermal reporting device
  thermal: constify pch_dev_ops structure
  Thermal: do thermal zone update after a cooling device registered
  Thermal: handle thermal zone device properly during system sleep
  Thermal: initialize thermal zone device correctly
2016-01-24 12:43:06 -08:00
Linus Torvalds
00e3f5cc30 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph updates from Sage Weil:
 "The two main changes are aio support in CephFS, and a series that
  fixes several issues in the authentication key timeout/renewal code.

  On top of that are a variety of cleanups and minor bug fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  libceph: remove outdated comment
  libceph: kill off ceph_x_ticket_handler::validity
  libceph: invalidate AUTH in addition to a service ticket
  libceph: fix authorizer invalidation, take 2
  libceph: clear messenger auth_retry flag if we fault
  libceph: fix ceph_msg_revoke()
  libceph: use list_for_each_entry_safe
  ceph: use i_size_{read,write} to get/set i_size
  ceph: re-send AIO write request when getting -EOLDSNAP error
  ceph: Asynchronous IO support
  ceph: Avoid to propagate the invalid page point
  ceph: fix double page_unlock() in page_mkwrite()
  rbd: delete an unnecessary check before rbd_dev_destroy()
  libceph: use list_next_entry instead of list_entry_next
  ceph: ceph_frag_contains_value can be boolean
  ceph: remove unused functions in ceph_frag.h
2016-01-24 12:34:13 -08:00
Linus Torvalds
048ccca8c1 Initial roundup of 4.5 merge window patches
- Remove usage of ib_query_device and instead store attributes in
   ib_device struct
 - Move iopoll out of block and into lib, rename to irqpoll, and use
   in several places in the rdma stack as our new completion queue
   polling library mechanism.  Update the other block drivers that
   already used iopoll to use the new mechanism too.
 - Replace the per-entry GID table locks with a single GID table lock
 - IPoIB multicast cleanup
 - Cleanups to the IB MR facility
 - Add support for 64bit extended IB counters
 - Fix for netlink oops while parsing RDMA nl messages
 - RoCEv2 support for the core IB code
 - mlx4 RoCEv2 support
 - mlx5 RoCEv2 support
 - Cross Channel support for mlx5
 - Timestamp support for mlx5
 - Atomic support for mlx5
 - Raw QP support for mlx5
 - MAINTAINERS update for mlx4/mlx5
 - Misc ocrdma, qib, nes, usNIC, cxgb3, cxgb4, mlx4, mlx5 updates
 - Add support for remote invalidate to the iSER driver (pushed through the
   RDMA tree due to dependencies, acknowledged by nab)
 - Update to NFSoRDMA (pushed through the RDMA tree due to dependencies,
   acknowledged by Bruce)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma updates from Doug Ledford:
 "Initial roundup of 4.5 merge window patches

   - Remove usage of ib_query_device and instead store attributes in
     ib_device struct

   - Move iopoll out of block and into lib, rename to irqpoll, and use
     in several places in the rdma stack as our new completion queue
     polling library mechanism.  Update the other block drivers that
     already used iopoll to use the new mechanism too.

   - Replace the per-entry GID table locks with a single GID table lock

   - IPoIB multicast cleanup

   - Cleanups to the IB MR facility

   - Add support for 64bit extended IB counters

   - Fix for netlink oops while parsing RDMA nl messages

   - RoCEv2 support for the core IB code

   - mlx4 RoCEv2 support

   - mlx5 RoCEv2 support

   - Cross Channel support for mlx5

   - Timestamp support for mlx5

   - Atomic support for mlx5

   - Raw QP support for mlx5

   - MAINTAINERS update for mlx4/mlx5

   - Misc ocrdma, qib, nes, usNIC, cxgb3, cxgb4, mlx4, mlx5 updates

   - Add support for remote invalidate to the iSER driver (pushed
     through the RDMA tree due to dependencies, acknowledged by nab)

   - Update to NFSoRDMA (pushed through the RDMA tree due to
     dependencies, acknowledged by Bruce)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (169 commits)
  IB/mlx5: Unify CQ create flags check
  IB/mlx5: Expose Raw Packet QP to user space consumers
  {IB, net}/mlx5: Move the modify QP operation table to mlx5_ib
  IB/mlx5: Support setting Ethernet priority for Raw Packet QPs
  IB/mlx5: Add Raw Packet QP query functionality
  IB/mlx5: Add create and destroy functionality for Raw Packet QP
  IB/mlx5: Refactor mlx5_ib_qp to accommodate other QP types
  IB/mlx5: Allocate a Transport Domain for each ucontext
  net/mlx5_core: Warn on unsupported events of QP/RQ/SQ
  net/mlx5_core: Add RQ and SQ event handling
  net/mlx5_core: Export transport objects
  IB/mlx5: Expose CQE version to user-space
  IB/mlx5: Add CQE version 1 support to user QPs and SRQs
  IB/mlx5: Fix data validation in mlx5_ib_alloc_ucontext
  IB/sa: Fix netlink local service GFP crash
  IB/srpt: Remove redundant wc array
  IB/qib: Improve ipoib UD performance
  IB/mlx4: Advertise RoCE v2 support
  IB/mlx4: Create and use another QP1 for RoCEv2
  IB/mlx4: Enable send of RoCE QP1 packets with IP/UDP headers
  ...
2016-01-23 18:45:06 -08:00
Linus Torvalds
b3e27d5d4a A new driver to support AMD NTB, a NTB performance test driver, NTB bugs
fixes, and the ability to recover from running out of DMA descriptors.
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Merge tag 'ntb-4.5' of git://github.com/jonmason/ntb

Pull NTB updates from Jon Mason:
 "A new driver to support AMD NTB, a NTB performance test driver, NTB
  bugs fixes, and the ability to recover from running out of DMA
  descriptors"

* tag 'ntb-4.5' of git://github.com/jonmason/ntb:
  NTB: Fix macro parameter conflict with field name
  NTB: Add support for AMD PCI-Express Non-Transparent Bridge
  ntb: ntb perf tool
  NTB: Address out of DMA descriptor issue with NTB
  NTB: Clear property bits in BAR value
  NTB: ntb_process_tx error path bug
2016-01-23 16:00:52 -08:00
Linus Torvalds
cc673757e2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull final vfs updates from Al Viro:

 - The ->i_mutex wrappers (with small prereq in lustre)

 - a fix for too early freeing of symlink bodies on shmem (they need to
   be RCU-delayed) (-stable fodder)

 - followup to dedupe stuff merged this cycle

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  vfs: abort dedupe loop if fatal signals are pending
  make sure that freeing shmem fast symlinks is RCU-delayed
  wrappers for ->i_mutex access
  lustre: remove unused declaration
2016-01-23 12:24:56 -08:00
Linus Torvalds
20c759ca98 Merge branch 'akpm' (patches from Andrew)
Merge small final update from Andrew Morton:

 - DAX feature work: add fsync/msync support

 - kfree cleanup, MAINTAINERS update

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  MAINTAINERS: return arch/sh to maintained state, with new maintainers
  tree wide: use kvfree() than conditional kfree()/vfree()
  dax: never rely on bh.b_dev being set by get_block()
  xfs: call dax_pfn_mkwrite() for DAX fsync/msync
  ext4: call dax_pfn_mkwrite() for DAX fsync/msync
  ext2: call dax_pfn_mkwrite() for DAX fsync/msync
  dax: add support for fsync/sync
  mm: add find_get_entries_tag()
  dax: support dirty DAX entries in radix tree
  pmem: add wb_cache_pmem() to the PMEM API
  dax: fix conversion of holes to PMDs
  dax: fix NULL pointer dereference in __dax_dbg()
2016-01-23 11:13:56 -08:00
Zhang Rui
98d94507e1 Merge branches 'thermal-intel', 'thermal-suspend-fix' and 'thermal-soc' into next 2016-01-23 11:43:27 +08:00
Linus Torvalds
79d245327f ARM: SoC support for Tegra platforms for v4.5
Here's a single-SoC topic branch that we've staged separately. Mainly
 because it was hard to sort the branch contents in a way that fit our
 existing branches due to some refactorings.
 
 The code has been in -next for quite a while, but we staged it in arm-soc
 a bit late, which is why we've kept it separate from the other updates
 and are sending it separately here.
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Merge tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC support for Tegra platforms from Olof Johansson:
 "Here's a single-SoC topic branch that we've staged separately.  Mainly
  because it was hard to sort the branch contents in a way that fit our
  existing branches due to some refactorings.

  The code has been in -next for quite a while, but we staged it in
  arm-soc a bit late, which is why we've kept it separate from the other
  updates and are sending it separately here"

* tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: tegra: Add NVIDIA Jetson TX1 Developer Kit support
  arm64: tegra: Add NVIDIA P2597 I/O board support
  arm64: tegra: Add NVIDIA Jetson TX1 support
  arm64: tegra: Add NVIDIA P2571 board support
  arm64: tegra: Add NVIDIA P2371 board support
  arm64: tegra: Add NVIDIA P2595 I/O board support
  arm64: tegra: Add NVIDIA P2530 main board support
  arm64: tegra: Add Tegra210 support
  arm64: tegra: Add NVIDIA Tegra132 Norrin support
  arm64: tegra: Add Tegra132 support
  ARM: tegra: select USB_ULPI from EHCI rather than platform
  ARM: tegra: Ensure entire dcache is flushed on entering LP0/1
  amba: Hide TEGRA_AHB symbol
  soc/tegra: Add Tegra210 support
  soc/tegra: Provide per-SoC Kconfig symbols
2016-01-22 17:30:52 -08:00
Linus Torvalds
1b8ee1ec41 ARM: SoC fixes for v4.5 merge window
A few fixes for fallout that we didn't catch in time in -next, or smaller
 warning fixes that have been discovered since.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A few fixes for fallout that we didn't catch in time in -next, or
  smaller warning fixes that have been discovered since"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  soc: qcom/spm: shut up uninitialized variable warning
  ARM: realview: fix device tree build
  ARM: debug-ll: fix BCM63xx entry for multiplatform
  ARM: dts: armadillo800eva Correct extal1 frequency to 24 MHz
2016-01-22 17:26:00 -08:00
Linus Torvalds
5430dfe90d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull more input updates from Dmitry Torokhov:
 "The second round of updates for the input subsystem, mainly changes to
  xpad driver to better hanlde Xbox One controllers"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: gpio-keys - allow disabling individual buttons in DT
  Input: gpio-keys - allow setting input device name in DT
  Input: xpad - correct xbox one pad device name
  Input: atmel_mxt_ts - improve touchscreen size/orientation handling
  Input: xpad - use LED API when identifying wireless controllers
  Input: xpad - workaround dead irq_out after suspend/ resume
  Input: xpad - update Xbox One Force Feedback Support
  Input: xpad - correctly handle concurrent LED and FF requests
  Input: xpad - handle "present" and "gone" correctly
  Input: xpad - remove spurious events of wireless xpad 360 controller
2016-01-22 17:20:30 -08:00
Linus Torvalds
4adea1fd27 SCSI misc on 20160122
This is mostly stuff which missed the first pull request because it needed to
 incubate longer.  It's mainly made up of the ncr 5380 rework but also has a
 few assorted bug fixes.
 
 Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is mostly stuff which missed the first pull request because it
  needed to incubate longer.  It's mainly made up of the ncr 5380 rework
  but also has a few assorted bug fixes"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (88 commits)
  imm: Use new parport device model
  megaraid: Fix possible NULL pointer deference in mraid_mm_ioctl
  storvsc: Fix typo in MODULE_PARM_DESC
  cxgbi: Typo in MODULE_PARM_DESC
  3w-xxxx: Pass through compat mode ioctls
  hisi_sas: Use u64 for qw0 in free_device_v1_hw()
  hisi_sas: Fix typo in setup_itct_v1_hw()
  hisi_sas: Fix v1 itct masks
  ipr: Fix out-of-bounds null overwrite
  scsi: add Synology to 1024 sector blacklist
  ncr5380: Add support for HP C2502
  ncr5380: Fix wait for 53C80 registers registers after PDMA
  ncr5380: Enable PDMA for DTC chips
  ncr5380: Enable PDMA for NCR53C400A
  ncr5380: Use runtime register mapping
  ncr5380: Fix pseudo DMA transfers on 53C400
  ncr5380: Cleanup whitespace and parentheses
  atari_NCR5380: Merge changes from NCR5380.c
  ncr5380: Merge changes from atari_NCR5380.c
  ncr5380: Fix whitespace in comments using regexp
  ...
2016-01-22 17:13:15 -08:00
Tetsuo Handa
1d5cfdb076 tree wide: use kvfree() than conditional kfree()/vfree()
There are many locations that do

  if (memory_was_allocated_by_vmalloc)
    vfree(ptr);
  else
    kfree(ptr);

but kvfree() can handle both kmalloc()ed memory and vmalloc()ed memory
using is_vmalloc_addr().  Unless callers have special reasons, we can
replace this branch with kvfree().  Please check and reply if you found
problems.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Jan Kara <jack@suse.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Acked-by: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Acked-by: David Rientjes <rientjes@google.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: Boris Petkov <bp@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-22 17:02:18 -08:00
Al Viro
5955102c99 wrappers for ->i_mutex access
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).

Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-22 18:04:28 -05:00
Al Viro
57b8f112cf lustre: remove unused declaration
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-22 15:34:16 -05:00
Linus Torvalds
2c9b3ebd59 MMC core:
- Restore reset-gpios to be optional in pwrseq_simple
  - Allow SDIO tuple for CISTPL_SDIO_STD
  - Print correct voltage value in debugfs
  - Enable tuning according to the actual timing
  - Limit SD card power limit according to cards capabilities
 
 MMC host:
  - tmio_mmc_dma: don't print invalid DMA cookie
  - mmci: Pick the correct variant and allow 8-bit mode for Nomadik
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Merge tag 'mmc-v4.5-rc1' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC fixes from Ulf Hansson:
 "Here are some mmc fixes intended for v4.5 rc1.

  MMC core:
   - Restore reset-gpios to be optional in pwrseq_simple
   - Allow SDIO tuple for CISTPL_SDIO_STD
   - Print correct voltage value in debugfs
   - Enable tuning according to the actual timing
   - Limit SD card power limit according to cards capabilities

  MMC host:
   - tmio_mmc_dma: don't print invalid DMA cookie
   - mmci: Pick the correct variant and allow 8-bit mode for Nomadik"

* tag 'mmc-v4.5-rc1' of git://git.linaro.org/people/ulf.hansson/mmc:
  mmc: pwrseq_simple: Make reset-gpios optional to match doc
  mmc: sdio_cis: fix unknown tuple for CISTPL_SDIO_STD
  mmc: debugfs: correct wrong voltage value
  mmc: tmio_mmc_dma: don't print invalid DMA cookie
  mmc: core: Enable tuning according to the actual timing
  mmc: mmci: support 8bit mode on the Nomadik
  mmc: mmci: fix an ages old detection error
  mmc: sd: limit SD card power limit according to cards capabilities
2016-01-22 12:04:21 -08:00
Linus Torvalds
48162a203e Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes the following issues:

  API:
   - A large number of bug fixes for the af_alg interface, credit goes
     to Dmitry Vyukov for discovering and reporting these issues.

  Algorithms:
   - sw842 needs to select crc32.
   - The soft dependency on crc32c is now in the correct spot.

  Drivers:
   - The atmel AES driver needs HAS_DMA.
   - The atmel AES driver was a missing break statement, fortunately
     it's only a debug function.
   - A number of bug fixes for the Intel qat driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (24 commits)
  crypto: algif_skcipher - sendmsg SG marking is off by one
  crypto: crc32c - Fix crc32c soft dependency
  crypto: algif_skcipher - Load TX SG list after waiting
  crypto: atmel-aes - Add missing break to atmel_aes_reg_name
  crypto: algif_skcipher - Fix race condition in skcipher_check_key
  crypto: algif_hash - Fix race condition in hash_check_key
  crypto: CRYPTO_DEV_ATMEL_AES should depend on HAS_DMA
  lib: sw842: select crc32
  crypto: af_alg - Forbid bind(2) when nokey child sockets are present
  crypto: algif_skcipher - Remove custom release parent function
  crypto: algif_hash - Remove custom release parent function
  crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path
  crypto: qat - update init_esram for C3xxx dev type
  crypto: qat - fix timeout issues
  crypto: qat - remove to call get_sram_bar_id for qat_c3xxx
  crypto: algif_skcipher - Add key check exception for cipher_null
  crypto: skcipher - Add crypto_skcipher_has_setkey
  crypto: algif_hash - Require setkey before accept(2)
  crypto: hash - Add crypto_ahash_has_setkey
  crypto: algif_skcipher - Add nokey compatibility path
  ...
2016-01-22 11:58:43 -08:00
Arnd Bergmann
00affcac69 soc: qcom/spm: shut up uninitialized variable warning
gcc warns about the 'found' variable possibly being used uninitialized:

drivers/soc/qcom/spm.c: In function 'spm_dev_probe':
drivers/soc/qcom/spm.c:305:5: error: 'found' may be used uninitialized in this function [-Werror=maybe-uninitialized]

However, the code is correct because we know that there is
always at least one online CPU. This initializes the 'found'
variable to zero before the loop so the compiler knows
it does not have to warn about it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-01-22 11:49:45 +01:00
Linus Torvalds
3e1e21c7bf Merge branch 'for-4.5/nvme' of git://git.kernel.dk/linux-block
Pull NVMe updates from Jens Axboe:
 "Last branch for this series is the nvme changes.  It's in a separate
  branch to avoid splitting too much between core and NVMe changes,
  since NVMe is still helping drive some blk-mq changes.  That said, not
  a huge amount of core changes in here.  The grunt of the work is the
  continued split of the code"

* 'for-4.5/nvme' of git://git.kernel.dk/linux-block: (67 commits)
  uapi: update install list after nvme.h rename
  NVMe: Export NVMe attributes to sysfs group
  NVMe: Shutdown controller only for power-off
  NVMe: IO queue deletion re-write
  NVMe: Remove queue freezing on resets
  NVMe: Use a retryable error code on reset
  NVMe: Fix admin queue ring wrap
  nvme: make SG_IO support optional
  nvme: fixes for NVME_IOCTL_IO_CMD on the char device
  nvme: synchronize access to ctrl->namespaces
  nvme: Move nvme_freeze/unfreeze_queues to nvme core
  PCI/AER: include header file
  NVMe: Export namespace attributes to sysfs
  NVMe: Add pci error handlers
  block: remove REQ_NO_TIMEOUT flag
  nvme: merge iod and cmd_info
  nvme: meta_sg doesn't have to be an array
  nvme: properly free resources for cancelled command
  nvme: simplify completion handling
  nvme: special case AEN requests
  ...
2016-01-21 19:58:02 -08:00
Linus Torvalds
0a13daedf7 Merge branch 'for-4.5/lightnvm' of git://git.kernel.dk/linux-block
Pull lightnvm fixes and updates from Jens Axboe:
 "This should have been part of the drivers branch, but it arrived a bit
  late and wasn't based on the official core block driver branch.  So
  they got a small scolding, but got a pass since it's still new.  Hence
  it's in a separate branch.

  This is mostly pure fixes, contained to lightnvm/, and minor feature
  additions"

* 'for-4.5/lightnvm' of git://git.kernel.dk/linux-block: (26 commits)
  lightnvm: ensure that nvm_dev_ops can be used without CONFIG_NVM
  lightnvm: introduce factory reset
  lightnvm: use system block for mm initialization
  lightnvm: introduce ioctl to initialize device
  lightnvm: core on-disk initialization
  lightnvm: introduce mlc lower page table mappings
  lightnvm: add mccap support
  lightnvm: manage open and closed blocks separately
  lightnvm: fix missing grown bad block type
  lightnvm: reference rrpc lun in rrpc block
  lightnvm: introduce nvm_submit_ppa
  lightnvm: move rq->error to nvm_rq->error
  lightnvm: support multiple ppas in nvm_erase_ppa
  lightnvm: move the pages per block check out of the loop
  lightnvm: sectors first in ppa list
  lightnvm: fix locking and mempool in rrpc_lun_gc
  lightnvm: put block back to gc list on its reclaim fail
  lightnvm: check bi_error in gc
  lightnvm: return the get_bb_tbl return value
  lightnvm: refactor end_io functions for sync
  ...
2016-01-21 19:01:55 -08:00
Linus Torvalds
641203549a Merge branch 'for-4.5/drivers' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
 "This is the block driver pull request for 4.5, with the exception of
  NVMe, which is in a separate branch and will be posted after this one.

  This pull request contains:

   - A set of bcache stability fixes, which have been acked by Kent.
     These have been used and tested for more than a year by the
     community, so it's about time that they got in.

   - A set of drbd updates from the drbd team (Andreas, Lars, Philipp)
     and Markus Elfring, Oleg Drokin.

   - A set of fixes for xen blkback/front from the usual suspects, (Bob,
     Konrad) as well as community based fixes from Kiri, Julien, and
     Peng.

   - A 2038 time fix for sx8 from Shraddha, with a fix from me.

   - A small mtip32xx cleanup from Zhu Yanjun.

   - A null_blk division fix from Arnd"

* 'for-4.5/drivers' of git://git.kernel.dk/linux-block: (71 commits)
  null_blk: use sector_div instead of do_div
  mtip32xx: restrict variables visible in current code module
  xen/blkfront: Fix crash if backend doesn't follow the right states.
  xen/blkback: Fix two memory leaks.
  xen/blkback: make st_ statistics per ring
  xen/blkfront: Handle non-indirect grant with 64KB pages
  xen-blkfront: Introduce blkif_ring_get_request
  xen-blkback: clear PF_NOFREEZE for xen_blkif_schedule()
  xen/blkback: Free resources if connect_ring failed.
  xen/blocks: Return -EXX instead of -1
  xen/blkback: make pool of persistent grants and free pages per-queue
  xen/blkback: get the number of hardware queues/rings from blkfront
  xen/blkback: pseudo support for multi hardware queues/rings
  xen/blkback: separate ring information out of struct xen_blkif
  xen/blkfront: correct setting for xen_blkif_max_ring_order
  xen/blkfront: make persistent grants pool per-queue
  xen/blkfront: Remove duplicate setting of ->xbdev.
  xen/blkfront: Cleanup of comments, fix unaligned variables, and syntax errors.
  xen/blkfront: negotiate number of queues/rings to be used with backend
  xen/blkfront: split per device io_lock
  ...
2016-01-21 18:19:38 -08:00
Dmitry Torokhov
b26a95d435 Merge branch 'next' into for-linus
Prepare second round of input updates for 4.5 merge window.
2016-01-21 17:27:27 -08:00
Allen Hubbe
03beaec80d NTB: Fix macro parameter conflict with field name
If the parameter given to the macro is replaced throughout the macro as
it is evaluated.  The intent is that the macro parameter should replace
the only the first parameter to container_of().  However, the way the
macro was written, it would also inadvertantly replace a structure field
name.  If a parameter of any other name is given to the macro, it will
fail to compile, if the structure does not contain a field of the same
name.  At worst, it will compile, and hide improper access of an
unintended field in the structure.

Change the macro parameter name, so it does not conflict with the
structure field name.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-01-21 19:53:10 -05:00
Xiangliang Yu
a1b3695820 NTB: Add support for AMD PCI-Express Non-Transparent Bridge
This adds support for AMD's PCI-Express Non-Transparent Bridge
(NTB) device on the Zeppelin platform. The driver connnects to the
standard NTB sub-system interface, with modification to add hooks
for power management in a separate patch. The AMD NTB device has 3
memory windows, 16 doorbell, 16 scratch-pad registers, and supports
up to 16 PCIe lanes running a Gen3 speeds.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
2016-01-21 19:51:04 -05:00
Linus Torvalds
eae21770b4 Merge branch 'akpm' (patches from Andrew)
Merge third patch-bomb from Andrew Morton:
 "I'm pretty much done for -rc1 now:

   - the rest of MM, basically

   - lib/ updates

   - checkpatch, epoll, hfs, fatfs, ptrace, coredump, exit

   - cpu_mask simplifications

   - kexec, rapidio, MAINTAINERS etc, etc.

   - more dma-mapping cleanups/simplifications from hch"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (109 commits)
  MAINTAINERS: add/fix git URLs for various subsystems
  mm: memcontrol: add "sock" to cgroup2 memory.stat
  mm: memcontrol: basic memory statistics in cgroup2 memory controller
  mm: memcontrol: do not uncharge old page in page cache replacement
  Documentation: cgroup: add memory.swap.{current,max} description
  mm: free swap cache aggressively if memcg swap is full
  mm: vmscan: do not scan anon pages if memcg swap limit is hit
  swap.h: move memcg related stuff to the end of the file
  mm: memcontrol: replace mem_cgroup_lruvec_online with mem_cgroup_online
  mm: vmscan: pass memcg to get_scan_count()
  mm: memcontrol: charge swap to cgroup2
  mm: memcontrol: clean up alloc, online, offline, free functions
  mm: memcontrol: flatten struct cg_proto
  mm: memcontrol: rein in the CONFIG space madness
  net: drop tcp_memcontrol.c
  mm: memcontrol: introduce CONFIG_MEMCG_LEGACY_KMEM
  mm: memcontrol: allow to disable kmem accounting for cgroup2
  mm: memcontrol: account "kmem" consumers in cgroup2 memory controller
  mm: memcontrol: move kmem accounting code to CONFIG_MEMCG
  mm: memcontrol: separate kmem code from legacy tcp accounting code
  ...
2016-01-21 12:32:08 -08:00
Linus Torvalds
d43421565b PCI changes for the v4.5 merge window:
Enumeration
     Simplify config space size computation (Bjorn Helgaas)
     Avoid iterating through ROM outside the resource window (Edward O'Callaghan)
     Support PCIe devices with short cfg_size (Jason S. McMullan)
     Add Netronome vendor and device IDs (Jason S. McMullan)
     Limit config space size for Netronome NFP6000 family (Jason S. McMullan)
     Add Netronome NFP4000 PF device ID (Simon Horman)
     Limit config space size for Netronome NFP4000 (Simon Horman)
     Print warnings for all invalid expansion ROM headers (Vladis Dronov)
 
   Resource management
     Fix minimum allocation address overwrite (Christoph Biedl)
 
   PCI device hotplug
     acpiphp_ibm: Fix null dereferences on null ibm_slot (Colin Ian King)
     pciehp: Always protect pciehp_disable_slot() with hotplug mutex (Guenter Roeck)
     shpchp: Constify hpc_ops structure (Julia Lawall)
     ibmphp: Remove unneeded NULL test (Julia Lawall)
 
   Power management
     Make ASPM sysfs link_state_store() consistent with link_state_show() (Andy Lutomirski)
 
   Virtualization
     Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183 (Tim Sander)
 
   MSI
     Remove empty pci_msi_init_pci_dev() (Bjorn Helgaas)
     Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD (Grygorii Strashko)
     Initialize MSI capability for all architectures (Guilherme G. Piccoli)
     Relax msi_domain_alloc() to support parentless MSI irqdomains (Liu Jiang)
 
   ARM Versatile host bridge driver
     Remove unused pci_sys_data structures (Lorenzo Pieralisi)
 
   Broadcom iProc host bridge driver
     Hide CONFIG_PCIE_IPROC (Arnd Bergmann)
     Do not use 0x in front of %pap (Dmitry V. Krivenok)
     Update iProc PCIe device tree binding (Ray Jui)
     Add PAXC interface support (Ray Jui)
     Add iProc PCIe MSI device tree binding (Ray Jui)
     Add iProc PCIe MSI support (Ray Jui)
 
   Freescale i.MX6 host bridge driver
     Use gpio_set_value_cansleep() (Fabio Estevam)
     Add support for active-low reset GPIO (Petr Štetiar)
 
   HiSilicon host bridge driver
     Add support for HiSilicon Hip06 PCIe host controllers (Gabriele Paoloni)
 
   Intel VMD host bridge driver
     Export irq_domain_set_info() for module use (Keith Busch)
     x86/PCI: Allow DMA ops specific to a PCI domain (Keith Busch)
     Use 32 bit PCI domain numbers (Keith Busch)
     Add driver for Intel Volume Management Device (VMD) (Keith Busch)
 
   Qualcomm host bridge driver
     Document PCIe devicetree bindings (Stanimir Varbanov)
     Add Qualcomm PCIe controller driver (Stanimir Varbanov)
     dts: apq8064: add PCIe devicetree node (Stanimir Varbanov)
     dts: ifc6410: enable PCIe DT node for this board (Stanimir Varbanov)
 
   Renesas R-Car host bridge driver
     Add support for R-Car H3 to pcie-rcar (Harunobu Kurokawa)
     Allow DT to override default window settings (Phil Edworthy)
     Convert to DT resource parsing API (Phil Edworthy)
     Revert "PCI: rcar: Build pcie-rcar.c only on ARM" (Phil Edworthy)
     Remove unused pci_sys_data struct from pcie-rcar (Phil Edworthy)
     Add runtime PM support to pcie-rcar (Phil Edworthy)
     Add Gen2 PHY setup to pcie-rcar (Phil Edworthy)
     Add gen2 fallback compatibility string for pci-rcar-gen2 (Simon Horman)
     Add gen2 fallback compatibility string for pcie-rcar (Simon Horman)
 
   Synopsys DesignWare host bridge driver
     Simplify control flow (Bjorn Helgaas)
     Make config accessor override checking symmetric (Bjorn Helgaas)
     Ensure ATU is enabled before IO/conf space accesses (Stanimir Varbanov)
 
   Miscellaneous
     Add of_pci_get_host_bridge_resources() stub (Arnd Bergmann)
     Check for PCI_HEADER_TYPE_BRIDGE equality, not bitmask (Bjorn Helgaas)
     Fix all whitespace issues (Bogicevic Sasa)
     x86/PCI: Simplify pci_bios_{read,write} (Geliang Tang)
     Use to_pci_dev() instead of open-coding it (Geliang Tang)
     Use kobj_to_dev() instead of open-coding it (Geliang Tang)
     Use list_for_each_entry() to simplify code (Geliang Tang)
     Fix typos in <linux/msi.h> (Thomas Petazzoni)
     x86/PCI: Clarify AMD Fam10h config access restrictions comment (Tomasz Nowicki)
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Merge tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v4.5 merge window:

  Enumeration:
   - Simplify config space size computation (Bjorn Helgaas)
   - Avoid iterating through ROM outside the resource window (Edward O'Callaghan)
   - Support PCIe devices with short cfg_size (Jason S. McMullan)
   - Add Netronome vendor and device IDs (Jason S. McMullan)
   - Limit config space size for Netronome NFP6000 family (Jason S. McMullan)
   - Add Netronome NFP4000 PF device ID (Simon Horman)
   - Limit config space size for Netronome NFP4000 (Simon Horman)
   - Print warnings for all invalid expansion ROM headers (Vladis Dronov)

  Resource management:
   - Fix minimum allocation address overwrite (Christoph Biedl)

  PCI device hotplug:
   - acpiphp_ibm: Fix null dereferences on null ibm_slot (Colin Ian King)
   - pciehp: Always protect pciehp_disable_slot() with hotplug mutex (Guenter Roeck)
   - shpchp: Constify hpc_ops structure (Julia Lawall)
   - ibmphp: Remove unneeded NULL test (Julia Lawall)

  Power management:
   - Make ASPM sysfs link_state_store() consistent with link_state_show() (Andy Lutomirski)

  Virtualization
   - Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183 (Tim Sander)

  MSI:
   - Remove empty pci_msi_init_pci_dev() (Bjorn Helgaas)
   - Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD (Grygorii Strashko)
   - Initialize MSI capability for all architectures (Guilherme G. Piccoli)
   - Relax msi_domain_alloc() to support parentless MSI irqdomains (Liu Jiang)

  ARM Versatile host bridge driver:
   - Remove unused pci_sys_data structures (Lorenzo Pieralisi)

  Broadcom iProc host bridge driver:
   - Hide CONFIG_PCIE_IPROC (Arnd Bergmann)
   - Do not use 0x in front of %pap (Dmitry V. Krivenok)
   - Update iProc PCIe device tree binding (Ray Jui)
   - Add PAXC interface support (Ray Jui)
   - Add iProc PCIe MSI device tree binding (Ray Jui)
   - Add iProc PCIe MSI support (Ray Jui)

  Freescale i.MX6 host bridge driver:
   - Use gpio_set_value_cansleep() (Fabio Estevam)
   - Add support for active-low reset GPIO (Petr Štetiar)

  HiSilicon host bridge driver:
   - Add support for HiSilicon Hip06 PCIe host controllers (Gabriele Paoloni)

  Intel VMD host bridge driver:
   - Export irq_domain_set_info() for module use (Keith Busch)
   - x86/PCI: Allow DMA ops specific to a PCI domain (Keith Busch)
   - Use 32 bit PCI domain numbers (Keith Busch)
   - Add driver for Intel Volume Management Device (VMD) (Keith Busch)

  Qualcomm host bridge driver:
   - Document PCIe devicetree bindings (Stanimir Varbanov)
   - Add Qualcomm PCIe controller driver (Stanimir Varbanov)
   - dts: apq8064: add PCIe devicetree node (Stanimir Varbanov)
   - dts: ifc6410: enable PCIe DT node for this board (Stanimir Varbanov)

  Renesas R-Car host bridge driver:
   - Add support for R-Car H3 to pcie-rcar (Harunobu Kurokawa)
   - Allow DT to override default window settings (Phil Edworthy)
   - Convert to DT resource parsing API (Phil Edworthy)
   - Revert "PCI: rcar: Build pcie-rcar.c only on ARM" (Phil Edworthy)
   - Remove unused pci_sys_data struct from pcie-rcar (Phil Edworthy)
   - Add runtime PM support to pcie-rcar (Phil Edworthy)
   - Add Gen2 PHY setup to pcie-rcar (Phil Edworthy)
   - Add gen2 fallback compatibility string for pci-rcar-gen2 (Simon Horman)
   - Add gen2 fallback compatibility string for pcie-rcar (Simon Horman)

  Synopsys DesignWare host bridge driver:
   - Simplify control flow (Bjorn Helgaas)
   - Make config accessor override checking symmetric (Bjorn Helgaas)
   - Ensure ATU is enabled before IO/conf space accesses (Stanimir Varbanov)

  Miscellaneous:
   - Add of_pci_get_host_bridge_resources() stub (Arnd Bergmann)
   - Check for PCI_HEADER_TYPE_BRIDGE equality, not bitmask (Bjorn Helgaas)
   - Fix all whitespace issues (Bogicevic Sasa)
   - x86/PCI: Simplify pci_bios_{read,write} (Geliang Tang)
   - Use to_pci_dev() instead of open-coding it (Geliang Tang)
   - Use kobj_to_dev() instead of open-coding it (Geliang Tang)
   - Use list_for_each_entry() to simplify code (Geliang Tang)
   - Fix typos in <linux/msi.h> (Thomas Petazzoni)
   - x86/PCI: Clarify AMD Fam10h config access restrictions comment (Tomasz Nowicki)"

* tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (58 commits)
  PCI: Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183
  PCI: Limit config space size for Netronome NFP4000
  PCI: Add Netronome NFP4000 PF device ID
  x86/PCI: Add driver for Intel Volume Management Device (VMD)
  PCI/AER: Use 32 bit PCI domain numbers
  x86/PCI: Allow DMA ops specific to a PCI domain
  irqdomain: Export irq_domain_set_info() for module use
  PCI: host: Add of_pci_get_host_bridge_resources() stub
  genirq/MSI: Relax msi_domain_alloc() to support parentless MSI irqdomains
  PCI: rcar: Add Gen2 PHY setup to pcie-rcar
  PCI: rcar: Add runtime PM support to pcie-rcar
  PCI: designware: Make config accessor override checking symmetric
  PCI: ibmphp: Remove unneeded NULL test
  ARM: dts: ifc6410: enable PCIe DT node for this board
  ARM: dts: apq8064: add PCIe devicetree node
  PCI: hotplug: Use list_for_each_entry() to simplify code
  PCI: rcar: Remove unused pci_sys_data struct from pcie-rcar
  PCI: hisi: Add support for HiSilicon Hip06 PCIe host controllers
  PCI: Avoid iterating through memory outside the resource window
  PCI: acpiphp_ibm: Fix null dereferences on null ibm_slot
  ...
2016-01-21 11:52:16 -08:00
Linus Torvalds
859e762544 pwm: Changes for v4.5-rc1
This set of changes contains a new driver for OMAP (using the dual-mode
 timers) as well as an assortment of fixes all across the board.
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Merge tag 'pwm/for-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set of changes contains a new driver for OMAP (using the
  dual-mode timers) as well as an assortment of fixes all across the
  board"

* tag 'pwm/for-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: Mark all devices as "might sleep"
  pwm: omap-dmtimer: Potential NULL dereference on error
  pwm: add HAS_IOMEM dependency to PWM_FSL_FTM
  pwm: Add PWM driver for OMAP using dual-mode timers
  pwm: rcar: Improve accuracy of frequency division setting
  pwm: lpc32xx: return ERANGE, if requested period is not supported
  pwm: lpc32xx: fix and simplify duty cycle and period calculations
  pwm: lpc32xx: make device usable with common clock framework
  pwm: lpc32xx: correct number of PWM channels from 2 to 1
  dt: lpc32xx: pwm: update documentation of LPC32xx PWM device
  dt: lpc32xx: pwm: correct LPC32xx PWM device node example
  pwm: fsl-ftm: Fix clock enable/disable when using PM
  pwm: lpss: Rework the sequence of programming PWM_SW_UPDATE
  pwm: lpss: Select core part automatically
  pwm: lpss: Update PWM setting for Broxton
  pwm: bcm2835: Fix email address specification
  pwm: bcm2835: Prevent division by zero
  pwm: bcm2835: Calculate scaler in ->config()
  pwm: lpss: Remove ->free() callback
2016-01-21 11:45:02 -08:00
Linus Torvalds
278e5acae1 Add KGDB support.
zImage fix.
 various cleanup
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Merge tag 'for-4.5' of git://git.osdn.jp/gitroot/uclinux-h8/linux

Pull h8300 updates from Yoshinori Sato:
 - Add KGDB support
 - zImage fix
 - various cleanup

* tag 'for-4.5' of git://git.osdn.jp/gitroot/uclinux-h8/linux:
  h8300: System call entry enable interrupt.
  h8300: show_stack cleanup
  h8300: Restraint of warning.
  h8300: Add KGDB support.
  irqchip: renesas-h8s: Replace ctrl_outw/ctrl_inw with writew/readw
  h8300: signal stack fix
  h8300: Add LZO compression
  h8300: zImage alignment fix
  clk: h8300: Remove "sh73a0-" part from compatible value
  h8300: zImage alignment fix
2016-01-21 11:27:34 -08:00
Markus Elfring
1761b22966 rbd: delete an unnecessary check before rbd_dev_destroy()
The rbd_dev_destroy() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2016-01-21 19:36:07 +01:00
Leon Romanovsky
34356f64ac IB/mlx5: Unify CQ create flags check
The create_cq() can receive creation flags which were used
differently by two commits which added create_cq extended
command and cross-channel. The merged code caused to not
accept any flags at all.

This patch unifies the check into one function and one return
error code.

Fixes: 972ecb821379 ("IB/mlx5: Add create_cq extended command")
Fixes: 051f263098a9 ("IB/mlx5: Add driver cross-channel support")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:05:37 -05:00
majd@mellanox.com
ad5f8e964c IB/mlx5: Expose Raw Packet QP to user space consumers
Added Raw Packet QP modify functionality which will enable user
space consumers to use it.

Since Raw Packet QP is built of SQ and RQ sub-objects, therefore
Raw Packet QP state changes are implemented by changing the state
of the sub-objects.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
427c1e7bcd {IB, net}/mlx5: Move the modify QP operation table to mlx5_ib
When modifying a QP, the desired operation was determined in
the mlx5_core using a transition table that takes the current
state, the final state, and returns the desired operation.

Since this logic will be used for Raw Packet QP, move the
operation table to the mlx5_ib.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
75850d0bce IB/mlx5: Support setting Ethernet priority for Raw Packet QPs
When the user changes the Address Vector(AV) in the modify QP, he
provides an SL. This SL should be translated to Ethernet Priority
by taking the 3 LSB bits, and modify the QP's TIS according to this
Ethernet priority.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
6d2f89df04 IB/mlx5: Add Raw Packet QP query functionality
Since Raw Packet QP is composed of RQ and SQ, the IB QP's
state is derived from the sub-objects. Therefore we need
to query each one of the sub-objects, and decide on the
IB QP's state.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
0fb2ed66a1 IB/mlx5: Add create and destroy functionality for Raw Packet QP
This patch adds support for Raw Packet QP for the mlx5 device.

Raw Packet QP, unlike other QP types, has no matching mlx5_core_qp
object but rather it is built of RQ/SQ/TIR/TIS/TD mlx5_core object.

Since the SQ and RQ work-queue (WQ) buffers are not contiguous like
other QPs, we allocate separate buffers in the user-space and pass
the address of each one of them separately to the kernel.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
19098df2da IB/mlx5: Refactor mlx5_ib_qp to accommodate other QP types
Extract specific IB QP fields to mlx5_ib_qp_trans structure.
The mlx5_core QP object resides in mlx5_ib_qp_base, which all QP types
inherit from. When we need to find mlx5_ib_qp using mlx5_core QP
(event handling and co), we use a pointer that resides in
mlx5_ib_qp_base.

In addition, we delete all redundant fields that weren't used anywhere
in the code:
-doorbell_qpn
-sq_max_wqes_per_wr
-sq_spare_wqes

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
146d2f1af3 IB/mlx5: Allocate a Transport Domain for each ucontext
Transport Domain groups several TIS and TIR object. By grouping
these object, it defines wheather local loopback packets that
are sent from the TIS objects in the group are received by the
TIR objects in the same group.

Allocate a Transport Domain(TD) for each user context to be used
in the future by Raw Packet QP for Self-Loopback Control.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
a14c2d4bee net/mlx5_core: Warn on unsupported events of QP/RQ/SQ
When an event arrives on QP/RQ/SQ, check whether it's supported,
and print a warning message otherwise.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
e2013b212f net/mlx5_core: Add RQ and SQ event handling
RQ/SQ will be used to implement IB verbs QPs, so the IB QP affiliated
events are affiliated also with SQs and RQs.

Since SQ, RQ and QP resource numbers do not share the same name
space, a queue type field was added to the event data to specify
the SW object that the event is affiliated with.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:09 -05:00
majd@mellanox.com
8d7f9ecb37 net/mlx5_core: Export transport objects
To be used by mlx5_ib in the following patches for implementing
RAW PACKET QP.

Add mlx5_core_ prefix to alloc and delloc transport_domain since
they are exposed now.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:08 -05:00
Haggai Abramovsky
f72300c56c IB/mlx5: Expose CQE version to user-space
Per user context, work with CQE version that both the user-space
and the kernel support. Report this CQE version via the response of
the alloc_ucontext command.

Signed-off-by: Haggai Abramovsky <hagaya@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:08 -05:00
Haggai Abramovsky
cfb5e088e2 IB/mlx5: Add CQE version 1 support to user QPs and SRQs
Enforce working with CQE version 1 when the user supports CQE
version 1 and asked to work this way.

If the user still works with CQE version 0, then use the default
CQE version to tell the Firmware that the user still works in the
older mode.

After this patch, the kernel still reports CQE version 0.

Signed-off-by: Haggai Abramovsky <hagaya@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:08 -05:00
Haggai Abramovsky
dfbee8598d IB/mlx5: Fix data validation in mlx5_ib_alloc_ucontext
The wrong buffer size was passed to ib_is_udata_cleared.

Signed-off-by: Haggai Abramovsky <hagaya@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 12:01:08 -05:00
Kaike Wan
2deeb47729 IB/sa: Fix netlink local service GFP crash
The rdma netlink local service registers a handler to handle RESOLVE
response and another handler to handle SET_TIMEOUT request. The first
thing these handlers do is to call netlink_capable() to check the
access right of the received skb to make sure that the sender has root
access. Under normal conditions, such responses and requests will be
directly forwarded to the handlers without going through the netlink_dump
pathway (see ibnl_rcv_msg() in drivers/infiniband/core/netlink.c).
However, a user application could send a RESOLVE request (not response)
to the local service, which will fall into the netlink_dump pathway,
where a new skb will be created without initializing the control block.
This new skb will be eventually forwarded to the local service RESOLVE
response handler. Unfortunately, netlink_capable() will cause general
protection fault if the skb's control block is not initialized. This
patch will address the problem by checking the skb first.

Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-01-21 11:59:19 -05:00
Thierry Reding
ff01c944cf pwm: Mark all devices as "might sleep"
Commit d1cd21427747 ("pwm: Set enable state properly on failed call to
enable") introduced a mutex that is needed to protect internal state of
PWM devices. Since that mutex is acquired in pwm_set_polarity() and in
pwm_enable() and might potentially block, all PWM devices effectively
become "might sleep".

It's rather pointless to keep the .can_sleep field around, but given
that there are external users let's postpone the removal for the next
release cycle.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-01-21 15:04:59 +01:00
Martin Fuzzey
64a67d4762 mmc: pwrseq_simple: Make reset-gpios optional to match doc
The DT binding doc says reset-gpios is an optional property but the code
currently bails out if it is omitted.

This is a regression since it breaks previously working device trees.
Fix it by restoring the original documented behaviour.

Fixes: ce037275861e ("mmc: pwrseq_simple: use GPIO descriptors array API")
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-01-21 13:52:27 +01:00
Linus Torvalds
30f05309bd More power management and ACPI updates for v4.5-rc1
- Modify the driver core and the USB subsystem to allow USB devices
    to stay suspended over system suspend/resume cycles if they have
    been runtime-suspended already beforehand and fix some bugs on
    top of these changes (Tomeu Vizoso, Rafael Wysocki).
 
  - Update ACPICA to upstream revision 20160108, including updates
    of the ACPICA's copyright notices, a code fixup resulting from
    a regression fix that was necessary in the upstream code only
    (the regression fixed by it has never been present in Linux)
    and a compiler warning fix (Bob Moore, Lv Zheng).
 
  - Fix a recent regression in the cpuidle menu governor that broke
    it on practically all architectures other than x86 and make a
    couple of optimizations on top of that fix (Rafael Wysocki).
 
  - Clean up the selection of cpuidle governors depending on whether
    or not the kernel is configured for tickless systems (Jean Delvare).
 
  - Revert a recent commit that introduced a regression in the ACPI
    backlight driver, address the problem it attempted to fix in a
    different way and revert one more cosmetic change depending on
    the problematic commit (Hans de Goede).
 
  - Add two more ACPI backlight quirks (Hans de Goede).
 
  - Fix a few minor problems in the core devfreq code, clean it up
    a bit and update the MAINTAINERS information related to it
    (Chanwoo Choi, MyungJoo Ham).
 
  - Improve an error message in the ACPI fan driver (Andy Lutomirski).
 
  - Fix a recent build regression in the cpupower tool (Shreyas Prabhu).
 
 /
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Merge tag 'pm+acpi-4.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management and ACPI updates from Rafael Wysocki:
 "This includes fixes on top of the previous batch of PM+ACPI updates
  and some new material as well.

  From the new material perspective the most significant are the driver
  core changes that should allow USB devices to stay suspended over
  system suspend/resume cycles if they have been runtime-suspended
  already beforehand.  Apart from that, ACPICA is updated to upstream
  revision 20160108 (cosmetic mostly, but including one fixup on top of
  the previous ACPICA update) and there are some devfreq updates the
  didn't make it before (due to timing).

  A few recent regressions are fixed, most importantly in the cpuidle
  menu governor and in the ACPI backlight driver and some x86 platform
  drivers depending on it.

  Some more bugs are fixed and cleanups are made on top of that.

  Specifics:

   - Modify the driver core and the USB subsystem to allow USB devices
     to stay suspended over system suspend/resume cycles if they have
     been runtime-suspended already beforehand and fix some bugs on top
     of these changes (Tomeu Vizoso, Rafael Wysocki).

   - Update ACPICA to upstream revision 20160108, including updates of
     the ACPICA's copyright notices, a code fixup resulting from a
     regression fix that was necessary in the upstream code only (the
     regression fixed by it has never been present in Linux) and a
     compiler warning fix (Bob Moore, Lv Zheng).

   - Fix a recent regression in the cpuidle menu governor that broke it
     on practically all architectures other than x86 and make a couple
     of optimizations on top of that fix (Rafael Wysocki).

   - Clean up the selection of cpuidle governors depending on whether or
     not the kernel is configured for tickless systems (Jean Delvare).

   - Revert a recent commit that introduced a regression in the ACPI
     backlight driver, address the problem it attempted to fix in a
     different way and revert one more cosmetic change depending on the
     problematic commit (Hans de Goede).

   - Add two more ACPI backlight quirks (Hans de Goede).

   - Fix a few minor problems in the core devfreq code, clean it up a
     bit and update the MAINTAINERS information related to it (Chanwoo
     Choi, MyungJoo Ham).

   - Improve an error message in the ACPI fan driver (Andy Lutomirski).

   - Fix a recent build regression in the cpupower tool (Shreyas
     Prabhu)"

* tag 'pm+acpi-4.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
  cpuidle: menu: Avoid pointless checks in menu_select()
  sched / idle: Drop default_idle_call() fallback from call_cpuidle()
  cpupower: Fix build error in cpufreq-info
  cpuidle: Don't enable all governors by default
  cpuidle: Default to ladder governor on ticking systems
  time: nohz: Expose tick_nohz_enabled
  ACPICA: Update version to 20160108
  ACPICA: Silence a -Wbad-function-cast warning when acpi_uintptr_t is 'uintptr_t'
  ACPICA: Additional 2016 copyright changes
  ACPICA: Reduce regression fix divergence from upstream ACPICA
  ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Satellite R830
  ACPI / video: Revert "thinkpad_acpi: Use acpi_video_handles_brightness_key_presses()"
  ACPI / video: Document acpi_video_handles_brightness_key_presses() a bit
  ACPI / video: Fix using an uninitialized mutex / list_head in acpi_video_handles_brightness_key_presses()
  ACPI / video: Revert "ACPI / video: driver must be registered before checking for keypresses"
  ACPI / fan: Improve acpi_device_update_power error message
  ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Portege R700
  cpuidle: menu: Fix menu_select() for CPUIDLE_DRIVER_STATE_START == 0
  MAINTAINERS: Add devfreq-event entry
  MAINTAINERS: Add missing git repository and directory for devfreq
  ...
2016-01-20 19:06:49 -08:00
Linus Torvalds
3549d82279 SH Drivers Updates for v4.5
Clean up the clock API on legacy SH to make it more similar to the Common
 Clock Framework.  This will avoid different behaviour in drivers shared
 between legacy and CCF-based platforms (e.g. SCIF).
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Merge tag 'renesas-sh-drivers-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas

Pull SH driver updates from Simon Horman:
 "Clean up the clock API on legacy SH to make it more similar to the
  Common Clock Framework.  This will avoid different behaviour in
  drivers shared between legacy and CCF-based platforms (e.g.  SCIF)"

* tag 'renesas-sh-drivers-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  drivers: sh: clk: Avoid crashes when passing NULL clocks
  drivers: sh: clk: Remove obsolete and unused clk_round_parent()
2016-01-20 19:00:46 -08:00
Linus Torvalds
9638685e32 ARM: SoC driver updates for v4.5
Driver updates for ARM SoCs. Some for SoC-family code under drivers/soc,
 but also some other driver updates that don't belong anywhere else. We also
 bring in the drivers/reset code through arm-soc.
 
 Some of the larger updates:
 
 - Qualcomm support for SMEM, SMSM, SMP2P. All used to communicate with other
   parts of the chip/board on these platforms, all proprietary protocols that
   don't fit into other subsystems and live in drivers/soc for now.
 
 - System bus driver for UniPhier
 - Driver for the TI Wakeup M3 IPC device
 
 - Power management for Raspberry PI
 
 + Again a bunch of other smaller updates and patches.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Driver updates for ARM SoCs.  Some for SoC-family code under
  drivers/soc, but also some other driver updates that don't belong
  anywhere else.  We also bring in the drivers/reset code through
  arm-soc.

  Some of the larger updates:

   - Qualcomm support for SMEM, SMSM, SMP2P.  All used to communicate
     with other parts of the chip/board on these platforms, all
     proprietary protocols that don't fit into other subsystems and live
     in drivers/soc for now.

   - System bus driver for UniPhier

   - Driver for the TI Wakeup M3 IPC device

   - Power management for Raspberry PI

  + Again a bunch of other smaller updates and patches"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
  bus: uniphier: allow only built-in driver
  ARM: bcm2835: clarify RASPBERRYPI_FIRMWARE dependency
  MAINTAINERS: Drop Kumar Gala from QCOM
  bus: uniphier-system-bus: add UniPhier System Bus driver
  ARM: bcm2835: add rpi power domain driver
  dt-bindings: add rpi power domain driver bindings
  ARM: bcm2835: Define two new packets from the latest firmware.
  drivers/soc: make mediatek/mtk-scpsys.c explicitly non-modular
  soc: mediatek: SCPSYS: Add regulator support
  MAINTAINERS: Change QCOM entries
  soc: qcom: smd-rpm: Add existing platform support
  memory/tegra: Add number of TLB lines for Tegra124
  reset: hi6220: fix modular build
  soc: qcom: Introduce WCNSS_CTRL SMD client
  ARM: qcom: select ARM_CPU_SUSPEND for power management
  MAINTAINERS: Add rules for Qualcomm dts files
  soc: qcom: enable smsm/smp2p modular build
  serial: msm_serial: Make config tristate
  soc: qcom: smp2p: Qualcomm Shared Memory Point to Point
  soc: qcom: smsm: Add driver for Qualcomm SMSM
  ...
2016-01-20 18:42:30 -08:00
Linus Torvalds
6d1c244803 ARM: DT updates for v4.5
As usual, the bulk of this release is again DT file contents.
 
 There's a huge number of changes here, and it's challenging to give a crisp
 overview of just what is in here. To start with:
 
 New boards:
 
 - TI-based DM3730 from LogicPD (Torpedo)
 - Cosmic+ M4 (nommu) initial support (Freescale Vybrid)
 - Raspberry Pi 2 DT files
 - Watchdog on Meson8b
 - Veyron-mickey (ASUS Chromebit) DTS
 - Rockchip rk3228 SoC and eval board
 - Sigma Designs Tango4
 
 Improvements:
 
 - Improved support for Qualcomm APQ8084, including Sony Xperia Z DT files
 - Misc new devices for Rockchip rk3036 and rk3288
 - Allwinner updates for misc SoCs and systems
 
 ... and a _large_ number of other changes across the field. Devices
 added to SoC DTSI and board DTS files for a number of SoC vendors, new
 product boards on already-supported SoCs, cleanups and refactorings of
 existing DTS/DTSI files and a bunch of other changes.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM DT updates from Olof Johansson:
 "As usual, the bulk of this release is again DT file contents.

  There's a huge number of changes here, and it's challenging to give a
  crisp overview of just what is in here.  To start with:

  New boards:

   - TI-based DM3730 from LogicPD (Torpedo)
   - Cosmic+ M4 (nommu) initial support (Freescale Vybrid)
   - Raspberry Pi 2 DT files
   - Watchdog on Meson8b
   - Veyron-mickey (ASUS Chromebit) DTS
   - Rockchip rk3228 SoC and eval board
   - Sigma Designs Tango4

  Improvements:

   - Improved support for Qualcomm APQ8084, including Sony Xperia Z DT files
   - Misc new devices for Rockchip rk3036 and rk3288
   - Allwinner updates for misc SoCs and systems

  ... and a _large_ number of other changes across the field.  Devices
  added to SoC DTSI and board DTS files for a number of SoC vendors, new
  product boards on already-supported SoCs, cleanups and refactorings of
  existing DTS/DTSI files and a bunch of other changes"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (469 commits)
  ARM: dts: compulab: add new board description
  ARM: versatile: add the syscon LEDs to the DT
  dts: vt8500: Fix errors in SDHC node for WM8505
  ARM: dts: imx6q: clean up unused ipu2grp
  ARM: dts: silk: Add compatible property to "partitions" node
  ARM: dts: gose: Add compatible property to "partitions" node
  ARM: dts: porter: Add compatible property to "partitions" node
  ARM: dts: koelsch: Add compatible property to "partitions" node
  ARM: dts: lager: Add compatible property to "partitions" node
  ARM: dts: bockw: Add compatible property to "partitions" node
  ARM: dts: meson8b: Add watchdog node
  Documentation: watchdog: Add new bindings for meson8b
  ARM: meson: Add status LED for Odroid-C1
  ARM: dts: uniphier: fix a typo in comment block
  ARM: bcm2835: Add the auxiliary clocks to the device tree.
  ARM: bcm2835: Add devicetree for bcm2836 and Raspberry Pi 2 B
  ARM: bcm2835: Move the CPU/peripheral include out of common RPi DT.
  ARM: bcm2835: Split the DT for peripherals from the DT for the CPU
  ARM: realview: set up cache correctly on the PB11MPCore
  ARM: dts: Unify G2D device node with other devices on exynos4
  ...
2016-01-20 18:16:29 -08:00
Linus Torvalds
6b5a12dbca ARM: SoC multiplatform code changes for v4.5
This branch is the culmination of 5 years of effort to bring the ARMv6
 and ARMv7 platforms together such that they can all be enabled and
 boot the same kernel. It has been a tremendous amount of cleanup and
 refactoring by a huge number of people, and creation of several new
 (and major) subsystems to better abstract out all the platform details
 in an appropriate manner.
 
 The bulk of this branch is a large patchset from Arnd that brings several
 of the more minor and older platforms we have closer to multiplatform
 support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0 and realview
 Much of this is moving around header files from old mach directories,
 but there are also some cleanup patches of debug_ll (lowlevel debug
 per-platform options) and other parts.
 
 Linus Walleij also has some patchs to clean up the older ARM Realview
 platforms by finally introducing DT support, and Rob Herring has some
 for ARM Versatile which is now DT-only. Both of these platforms are
 now multiplatform.
 
 Finally, a couple of patches from Russell for Dove PMU, and a fix from
 Valentin Rothberg for Exynos ADC, which were rebased on top of the
 series to avoid conflicts.
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code updates from Arnd Bergmann:
 "This branch is the culmination of 5 years of effort to bring the ARMv6
  and ARMv7 platforms together such that they can all be enabled and
  boot the same kernel.  It has been a tremendous amount of cleanup and
  refactoring by a huge number of people, and creation of several new
  (and major) subsystems to better abstract out all the platform details
  in an appropriate manner.

  The bulk of this branch is a large patchset from Arnd that brings
  several of the more minor and older platforms we have closer to
  multiplatform support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0
  and realview Much of this is moving around header files from old mach
  directories, but there are also some cleanup patches of debug_ll
  (lowlevel debug per-platform options) and other parts.

  Linus Walleij also has some patchs to clean up the older ARM Realview
  platforms by finally introducing DT support, and Rob Herring has some
  for ARM Versatile which is now DT-only.  Both of these platforms are
  now multiplatform.

  Finally, a couple of patches from Russell for Dove PMU, and a fix from
  Valentin Rothberg for Exynos ADC, which were rebased on top of the
  series to avoid conflicts"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
  ARM: realview: don't select SMP_ON_UP for UP builds
  ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
  ARM: s3c64xx: fix pm-debug compilation
  iio: exynos-adc: fix irqf_oneshot.cocci warnings
  ARM: realview: build realview-dt SMP support only when used
  ARM: realview: select apropriate targets
  ARM: realview: clean up header files
  ARM: realview: make all header files local
  ARM: no longer make CPU targets visible separately
  ARM: integrator: use explicit core module options
  ARM: realview: enable multiplatform
  ARM: make default platform work for NOMMU
  ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
  ARM: defconfig: use correct debug_ll settings
  ARM: versatile: convert to multi-platform
  ARM: versatile: merge mach code into a single file
  ARM: versatile: switch to DT only booting and remove legacy code
  ARM: versatile: add DT based PCI detection
  ARM: pxa: mark ezx structures as __maybe_unused
  ARM: pxa: mark raumfeld init functions as __maybe_unused
  ...
2016-01-20 18:03:56 -08:00