Commit graph

321,511 commits

Author SHA1 Message Date
Ping Cheng
d838c644fe Input: wacom - add support to Cintiq 22HD
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-07-24 23:55:10 -07:00
Simon Budig
43c4d13e90 Input: add driver for FT5x06 based EDT displays
This is a driver for the EDT "Polytouch" family of touch controllers
based on the FocalTech FT5x06 line of chips.

Signed-off-by: Simon Budig <simon.budig@kernelconcepts.de>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2012-07-24 23:55:03 -07:00
Dmitry Torokhov
314820c9e8 Merge branch 'next' into for-linus 2012-07-24 22:43:04 -07:00
Mark Brown
f5a1ad057e irqdomain: Improve diagnostics when a domain mapping fails
When the map operation fails log the error code we get and add a WARN_ON()
so we get a backtrace (which should help work out which interrupt is the
source of the issue).

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-07-24 22:37:30 -06:00
Grant Likely
4c0946c474 irqdomain: eliminate slow-path revmap lookups
With the current state of irq_domain, the reverse map is always updated
when new IRQs get mapped.  This means that the irq_find_mapping() function
can be simplified to execute the revmap lookup functions unconditionally

This patch adds lookup functions for the revmaps that don't yet have one
and removes the slow path lookup code path.

v8: Broke out unrelated changes into separate patches.  Rebased on Paul's irq
    association patches.
v7: Rebased to irqdomain/next for v3.4 and applied before the removal of 'hint'
v6: Remove the slow path entirely.  The only place where the slow path
    could get called is for a linear mapping if the hwirq number is larger
    than the linear revmap size.  There shouldn't be any interrupt
    controllers that do that.
v5: rewrite to not use a ->revmap() callback.  It is simpler, smaller,
    safer and faster to open code each of the revmap lookups directly into
    irq_find_mapping() via a switch statement.
v4: Fix build failure on incorrect variable reference.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Milton Miller <miltonm@bga.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Rob Herring <rob.herring@calxeda.com>
2012-07-24 22:37:23 -06:00
Grant Likely
6aeea3ecc3 Merge remote-tracking branch 'origin' into irqdomain/next 2012-07-24 22:34:40 -06:00
Jerome Glisse
fcedac670c drm/radeon: fix dpms on/off on trinity/aruba v2
The external encoder need to be setup again before enabling the
transmiter. This seems to be only needed on some trinity/aruba
to fix dpms on.

v2: Add comment, only setup again on dce6 ie aruba or newer.

Cc: <stable@kernel.org>
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-07-25 14:16:28 +10:00
Jerome Glisse
ca2ccde5e2 drm/radeon: on hotplug force link training to happen (v2)
To have DP behave like VGA/DVI we need to retrain the link
on hotplug. For this to happen we need to force link
training to happen by setting connector dpms to off
before asking it turning it on again.

v2: agd5f
- drop the dp_get_link_status() change in atombios_dp.c
  for now.  We still need the dpms OFF change.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-07-25 14:14:12 +10:00
Jerome Glisse
266dcba541 drm/radeon: fix hotplug of DP to DVI|HDMI passive adapters (v2)
No need to retrain the link for passive adapters.

v2: agd5f
- no passive DP to VGA adapters, update comments
- assign radeon_connector_atom_dig after we are sure
  we have a digital connector as analog connectors
  have different private data.
- get new sink type before checking for retrain.  No
  need to check if it's no longer a DP connection.

Cc: <stable@vger.kernel.org>
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-07-25 14:14:07 +10:00
Paul Mundt
a3fd869a64 Merge branches 'sh/urgent' and 'sh/regulator' into sh-latest 2012-07-25 13:13:09 +09:00
Jerome Glisse
8d1c702aa0 drm/radeon: fix non revealent error message
We want to print link status query failed only if it's
an unexepected fail. If we query to see if we need
link training it might be because there is nothing
connected and thus link status query have the right
to fail in that case.

To avoid printing failure when it's expected, move the
failure message to proper place.

Cc: stable@vger.kernel.org
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-07-25 14:13:05 +10:00
Dan Carpenter
1e179d4e28 drm/radeon: check for allocation failure in radeon_ring_backup()
Static checkers complain if this we don't check for allocation failure.
Also we can use the new kmalloc_array() function here as a cleanup.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-07-25 14:12:17 +10:00
Paul Mundt
90eed7d87b sh: Fix up recursive fault in oops with unset TTB.
Presently the oops code looks for the pgd either from the mm context or
the cached TTB value. There are presently cases where the TTB can be
unset or otherwise cleared by hardware, which we weren't handling,
resulting in recursive faults on the NULL pgd. In these cases we can
simply reload from swapper_pg_dir and continue on as normal.

Cc: stable@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-07-25 13:11:13 +09:00
Jerome Glisse
d1c7871ddb drm/radeon: fix bo creation retry path
Retry label was at wrong place in function leading to memory
leak.

Cc: <stable@vger.kernel.org>
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-07-25 14:11:01 +10:00
Paul Mundt
92f53a85db sh: pfc: Build fix for pinctrl_remove_gpio_range() changes.
pinctrl_remove_gpio_range() is now handled by the pinctrl core in the
unreg path for some reason, so use that instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-07-25 13:10:11 +09:00
Ilija Hadzic
949c4a34af drm: track dev_mapping in more robust and flexible way
Setting dev_mapping (pointer to the address_space structure
used for memory mappings) to the address_space of the first
opener's inode and then failing if other openers come in
through a different inode has a few restrictions that are
eliminated by this patch.

If we already have valid dev_mapping and we spot an opener
with different i_node, we force its i_mapping pointer to the
already established address_space structure (first opener's
inode). This will make all mappings from drm device hang off
the same address_space object.

Some benefits (things that now work and didn't work
before) of this patch are:

 * user space can mknod and use any number of device
   nodes and they will all work fine as long as the major
   device number is that of the drm module.
 * user space can even remove the first opener's device
   nodes and mknod the new one and the applications and
   windowing system will still work.
 * GPU drivers can safely assume that dev->dev_mapping is
   correct address_space and just blindly copy it
   into their (private) bdev.dev_mapping

For reference, some discussion that lead to this patch can
be found here:

http://lists.freedesktop.org/archives/dri-devel/2012-April/022283.html

Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-07-25 14:09:30 +10:00
Zhang Rui
8eaa8d6ca2 Thermal: Documentation update
With commit 6503e5df08,
the value of /sys/class/thermal/thermal_zoneX/mode has been changed
from user/kernel to enabled/disabled.
Update the documentation so that users won't be confused.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-07-24 23:20:40 -04:00
Durgadoss R
27365a6c7d Thermal: Add Hysteresis attributes
The Linux Thermal Framework does not support hysteresis
attributes. Most thermal sensors, today, have a
hysteresis value associated with trip points.

This patch adds hysteresis attributes on a per-trip-point
basis, to the Thermal Framework. These attributes are
optionally writable.

Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-07-24 23:19:26 -04:00
Durgadoss R
c56f5c0342 Thermal: Make Thermal trip points writeable
Some of the thermal drivers using the Generic Thermal Framework
require (all/some) trip points to be writeable. This patch makes
the trip point temperatures writeable on a per-trip point basis,
and modifies the required function call in thermal.c. This patch
also updates the Documentation to reflect the new change.

Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-07-24 23:17:20 -04:00
Linus Torvalds
bdc0077af5 SCSI misc on 20120724
The most important feature of this patch set is the new async infrastructure
 that makes sure async_synchronize_full() synchronizes all domains and allows
 us to remove all the hacks (like having scsi_complete_async_scans() in the
 device base code) and means that the async infrastructure will "just work" in
 future. The rest is assorted driver updates (aacraid, bnx2fc, virto-scsi,
 megaraid, bfa, lpfc, qla2xxx, qla4xxx) plus a lot of infrastructure work in
 sas and FC.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull first round of SCSI updates from James Bottomley:
 "The most important feature of this patch set is the new async
  infrastructure that makes sure async_synchronize_full() synchronizes
  all domains and allows us to remove all the hacks (like having
  scsi_complete_async_scans() in the device base code) and means that
  the async infrastructure will "just work" in future.

  The rest is assorted driver updates (aacraid, bnx2fc, virto-scsi,
  megaraid, bfa, lpfc, qla2xxx, qla4xxx) plus a lot of infrastructure
  work in sas and FC.

  Signed-off-by: James Bottomley <JBottomley@Parallels.com>"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (97 commits)
  [SCSI] Revert "[SCSI] fix async probe regression"
  [SCSI] cleanup usages of scsi_complete_async_scans
  [SCSI] queue async scan work to an async_schedule domain
  [SCSI] async: make async_synchronize_full() flush all work regardless of domain
  [SCSI] async: introduce 'async_domain' type
  [SCSI] bfa: Fix to set correct return error codes and misc cleanup.
  [SCSI] aacraid: Series 7 Async. (performance) mode support
  [SCSI] aha152x: Allow use on 64bit systems
  [SCSI] virtio-scsi: Add vdrv->scan for post VIRTIO_CONFIG_S_DRIVER_OK LUN scanning
  [SCSI] bfa: squelch lockdep complaint with a spin_lock_init
  [SCSI] qla2xxx: remove unnecessary reads of PCI_CAP_ID_EXP
  [SCSI] qla4xxx: remove unnecessary read of PCI_CAP_ID_EXP
  [SCSI] ufs: fix incorrect return value about SUCCESS and FAILED
  [SCSI] ufs: reverse the ufshcd_is_device_present logic
  [SCSI] ufs: use module_pci_driver
  [SCSI] usb-storage: update usb devices for write cache quirk in quirk list.
  [SCSI] usb-storage: add support for write cache quirk
  [SCSI] set to WCE if usb cache quirk is present.
  [SCSI] virtio-scsi: hotplug support for virtio-scsi
  [SCSI] virtio-scsi: split scatterlist per target
  ...
2012-07-24 18:11:22 -07:00
Linus Torvalds
801b03653f Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw
Pull GFS2 updates from Steven Whitehouse.

* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw:
  GFS2: Eliminate 64-bit divides
  GFS2: Reduce file fragmentation
  GFS2: kernel panic with small gfs2 filesystems - 1 RG
  GFS2: Fixing double brelse'ing bh allocated in gfs2_meta_read when EIO occurs
  GFS2: Combine functions get_local_rgrp and gfs2_inplace_reserve
  GFS2: Add kobject release method
  GFS2: Size seq_file buffer more carefully
  GFS2: Use seq_vprintf for glocks debugfs file
  seq_file: Add seq_vprintf function and export it
  GFS2: Use lvbs for storing rgrp information with mount option
  GFS2: Cache last hash bucket for glock seq_files
  GFS2: Increase buffer size for glocks and glstats debugfs files
  GFS2: Fix error handling when reading an invalid block from the journal
  GFS2: Add "top dir" flag support
  GFS2: Fold quota data into the reservations struct
  GFS2: Extend the life of the reservations
2012-07-24 17:57:05 -07:00
Linus Torvalds
614a6d4341 Merge branch 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup changes from Tejun Heo:
 "Nothing too interesting.  A minor bug fix and some cleanups."

* 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: Update remount documentation
  cgroup: cgroup_rm_files() was calling simple_unlink() with the wrong inode
  cgroup: Remove populate() documentation
  cgroup: remove hierarchy_mutex
2012-07-24 17:47:44 -07:00
Linus Torvalds
a08489c569 Merge branch 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue changes from Tejun Heo:
 "There are three major changes.

   - WQ_HIGHPRI has been reimplemented so that high priority work items
     are served by worker threads with -20 nice value from dedicated
     highpri worker pools.

   - CPU hotplug support has been reimplemented such that idle workers
     are kept across CPU hotplug events.  This makes CPU hotplug cheaper
     (for PM) and makes the code simpler.

   - flush_kthread_work() has been reimplemented so that a work item can
     be freed while executing.  This removes an annoying behavior
     difference between kthread_worker and workqueue."

* 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: fix spurious CPU locality WARN from process_one_work()
  kthread_worker: reimplement flush_kthread_work() to allow freeing the work item being executed
  kthread_worker: reorganize to prepare for flush_kthread_work() reimplementation
  workqueue: simplify CPU hotplug code
  workqueue: remove CPU offline trustee
  workqueue: don't butcher idle workers on an offline CPU
  workqueue: reimplement CPU online rebinding to handle idle workers
  workqueue: drop @bind from create_worker()
  workqueue: use mutex for global_cwq manager exclusion
  workqueue: ROGUE workers are UNBOUND workers
  workqueue: drop CPU_DYING notifier operation
  workqueue: perform cpu down operations from low priority cpu_notifier()
  workqueue: reimplement WQ_HIGHPRI using a separate worker_pool
  workqueue: introduce NR_WORKER_POOLS and for_each_worker_pool()
  workqueue: separate out worker_pool flags
  workqueue: use @pool instead of @gcwq or @cpu where applicable
  workqueue: factor out worker_pool from global_cwq
  workqueue: don't use WQ_HIGHPRI for unbound workqueues
2012-07-24 17:46:16 -07:00
Linus Torvalds
08d9329c29 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull misc udf, ext2, ext3, and isofs fixes from Jan Kara:
 "Assorted, mostly trivial, fixes for udf, ext2, ext3, and isofs.  I'm
  on vacation and scarcely checking email since we are expecting baby
  any day now but these fixes should be safe to go in and I don't want
  to delay them unnecessarily."

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  udf: avoid info leak on export
  isofs: avoid info leak on export
  udf: Improve table length check to avoid possible overflow
  ext3: Check return value of blkdev_issue_flush()
  jbd: Check return value of blkdev_issue_flush()
  udf: Do not decrement i_blocks when freeing indirect extent block
  udf: Fix memory leak when mounting
  ext2: cleanup the confused goto label
  UDF: Remove unnecessary variable "offset" from udf_fill_inode
  udf: stop using s_dirt
  ext3: force ro mount if ext3_setup_super() fails
  quota: fix checkpatch.pl warning by replacing <asm/uaccess.h> with <linux/uaccess.h>
2012-07-24 17:40:44 -07:00
Linus Torvalds
2c05b2c838 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu arch update from Greg Ungerer:
 "Quite a varied set of changes this time.
   - A little more merge cleanup, this time the assembler entry code.
   - New sub-architecture support for the ColdFire 5251/5253 and 5441x
     CPU families.
   - Specific clk support code for the ColdFire 520x and 532x CPU
     familes.
   - Refactoring of the ColdFire GPIO support.
   - PCI bus support for some ColdFire CPUS that have PCI hardware (54xx
     family).  This showed up a few problems with ColdFire cache,
     allocating coherent memory and bi-directional DMA support.  Fixes
     for those too."

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (21 commits)
  m68k: allow PCI bus to be enabled for ColdFire m54xx CPUs
  m68k: add PCI bus code support for the ColdFire M54xx SoC family
  m68k: add IO access definitions to support PCI on ColdFire platforms
  m68k: add PCI bus support definitions for the ColdFire M54xx SoC family
  m68k: common PCI support definitions and code
  m68k: add support for DMA_BIDIRECTIONAL in dma support functions
  m68k: fix ColdFire clear cache operation
  m68k: use simpler dma_alloc_coherent() for ColdFire CPUs
  m68knommu: platform support for 8390 based ethernet used on some boards
  m68knommu: Add clk definitions for m532x.
  m68knommu: Add clk definitions for m520x.
  m68knommu: Add rtc device for m5441x.
  m68knommu: add definitions for the third interrupt controller on devices that don't have a third interrupt controller.
  m68knommu: Add support for the Coldfire m5441x.
  m68knommu: use MCF_IRQ_PIT1 instead of MCFINT_VECBASE + MCFINT_PIT1
  coldfire-qspi: Add support for the Coldfire 5251/5253.
  m68knommu: Add support for the Coldfire 5251/5253
  m68knommu: refactor Coldfire GPIO not to require GPIOLIB, eliminate mcf_gpio_chips.
  m68k: merge the MMU and non-MMU versions of the entry.S code
  m68k: use jbsr to call functions instead of bsrl
  ...
2012-07-24 17:20:51 -07:00
Linus Torvalds
c511dc1fb6 Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine update from Vinod Koul:
 "This time we have a new dmaengine driver from the tegra folks.  Also
  we have Guennadi's cleanup of sh drivers which incudes a library for
  sh drivers.  And the usual odd fixes in bunch of drivers and some nice
  cleanup of dw_dmac from Andy."

Fix up conflicts in drivers/mmc/host/sh_mmcif.c

* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (46 commits)
  dmaengine: Cleanup logging messages
  mmc: sh_mmcif: switch to the new DMA channel allocation and configuration
  dma: sh: provide a migration path for slave drivers to stop using .private
  dma: sh: use an integer slave ID to improve API compatibility
  dmaengine: shdma: prepare to stop using struct dma_chan::private
  sh: remove unused DMA device pointer from SIU platform data
  ASoC: siu: don't use DMA device for channel filtering
  dmaengine: shdma: (cosmetic) simplify a static function
  dmaengine: at_hdmac: add a few const qualifiers
  dw_dmac: use 'u32' for LLI structure members, not dma_addr_t
  dw_dmac: mark dwc_dump_lli inline
  dma: mxs-dma: Export missing symbols from mxs-dma.c
  dma: shdma: convert to the shdma base library
  ASoC: fsi: prepare for conversion to the shdma base library
  usb: renesas_usbhs: prepare for conversion to the shdma base library
  ASoC: siu: prepare for conversion to the shdma base library
  serial: sh-sci: prepare for conversion to the shdma base library
  mmc: sh_mobile_sdhi: prepare for conversion to the shdma base library
  mmc: sh_mmcif: remove unneeded struct sh_mmcif_dma, prepare to shdma conversion
  dma: shdma: prepare for conversion to the shdma base library
  ...
2012-07-24 17:12:54 -07:00
Linus Torvalds
9161c3b796 The common clk framework changes for 3.6 include a small number of core
framework improvments, platform ports and new DT bindings.
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Merge tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux

Pull common clk framework changes from Michael Turquette:
 "This includes a small number of core framework improvments, platform
  ports and new DT bindings."

Fix up trivial conflicts in drivers/clk/Makefile

* tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux: (21 commits)
  clk: fix compile for OF && !COMMON_CLK
  clk: fix clk_get on of_clk_get_by_name return check
  clk: mxs: clk_register_clkdev mx28 usb clocks
  clk: add highbank clock support
  dt: add clock binding doc to primecell bindings
  clk: add DT fixed-clock binding support
  clk: add DT clock binding support
  ARM: integrator: convert to common clock
  clk: add versatile ICST307 driver
  ARM: integrator: put symbolic bus names on devices
  ARM: u300: convert to common clock
  clk: cache parent clocks only for muxes
  clk: wm831x: Add initial WM831x clock driver
  clk: Constify struct clk_init_data
  clk: Add CLK_IS_BASIC flag to identify basic clocks
  clk: Add support for rate table based dividers
  clk: Add support for power of two type dividers
  clk: mxs: imx28: decrease the frequency of ref_io1 for SSP2 and SSP3
  clk: mxs: add clkdev lookup for pwm
  clk: mxs: Fix the GPMI clock name
  ...
2012-07-24 16:40:57 -07:00
Linus Torvalds
97027da6ad IOMMU Updates for Linux v3.6-rc1
The most important part of these updates is the IOMMU groups code
 enhancement written by Alex Williamson. It abstracts the problem that a
 given hardware IOMMU can't isolate any given device from any other
 device (e.g. 32 bit PCI devices can't usually be isolated). Devices that
 can't be isolated are grouped together. This code is required for the
 upcoming VFIO framework.
 
 Another IOMMU-API change written by be is the introduction of domain
 attributes. This makes it easier to handle GART-like IOMMUs with the
 IOMMU-API because now the start-address and the size of the domain
 address space can be queried.
 
 Besides that there are a few cleanups and fixes for the NVidia Tegra
 IOMMU drivers and the reworked init-code for the AMD IOMMU. The later is
 from my patch-set to support interrupt remapping. The rest of this
 patch-set requires x86 changes which are not mergabe yet. So full
 support for interrupt remapping with AMD IOMMUs will come in a future
 merge window.
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Merge tag 'iommu-updates-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:
 "The most important part of these updates is the IOMMU groups code
  enhancement written by Alex Williamson.  It abstracts the problem that
  a given hardware IOMMU can't isolate any given device from any other
  device (e.g.  32 bit PCI devices can't usually be isolated).  Devices
  that can't be isolated are grouped together.  This code is required
  for the upcoming VFIO framework.

  Another IOMMU-API change written by me is the introduction of domain
  attributes.  This makes it easier to handle GART-like IOMMUs with the
  IOMMU-API because now the start-address and the size of the domain
  address space can be queried.

  Besides that there are a few cleanups and fixes for the NVidia Tegra
  IOMMU drivers and the reworked init-code for the AMD IOMMU.  The
  latter is from my patch-set to support interrupt remapping.  The rest
  of this patch-set requires x86 changes which are not mergabe yet.  So
  full support for interrupt remapping with AMD IOMMUs will come in a
  future merge window."

* tag 'iommu-updates-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (33 commits)
  iommu/amd: Fix hotplug with iommu=pt
  iommu/amd: Add missing spin_lock initialization
  iommu/amd: Convert iommu initialization to state machine
  iommu/amd: Introduce amd_iommu_init_dma routine
  iommu/amd: Move unmap_flush message to amd_iommu_init_dma_ops()
  iommu/amd: Split enable_iommus() routine
  iommu/amd: Introduce early_amd_iommu_init routine
  iommu/amd: Move informational prinks out of iommu_enable
  iommu/amd: Split out PCI related parts of IOMMU initialization
  iommu/amd: Use acpi_get_table instead of acpi_table_parse
  iommu/amd: Fix sparse warnings
  iommu/tegra: Don't call alloc_pdir with as->lock
  iommu/tegra: smmu: Fix unsleepable memory allocation at alloc_pdir()
  iommu/tegra: smmu: Remove unnecessary sanity check at alloc_pdir()
  iommu/exynos: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/msm: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/omap: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/vt-d: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute
  ...
2012-07-24 16:24:11 -07:00
Linus Torvalds
6dd53aa456 PCI changes for the 3.6 merge window:
Host bridge hotplug
     - Add MMCONFIG support for hot-added host bridges (Jiang Liu)
   Device hotplug
     - Move fixups from __init to __devinit (Sebastian Andrzej Siewior)
     - Call FINAL fixups for hot-added devices, too (Myron Stowe)
     - Factor out generic code for P2P bridge hot-add (Yinghai Lu)
     - Remove all functions in a slot, not just those with _EJx (Amos Kong)
   Dynamic resource management
     - Track bus number allocation (struct resource tree per domain) (Yinghai Lu)
     - Make P2P bridge 1K I/O windows work with resource reassignment (Bjorn Helgaas, Yinghai Lu)
     - Disable decoding while updating 64-bit BARs (Bjorn Helgaas)
   Power management
     - Add PCIe runtime D3cold support (Huang Ying)
   Virtualization
     - Add VFIO infrastructure (ACS, DMA source ID quirks) (Alex Williamson)
     - Add quirks for devices with broken INTx masking (Jan Kiszka)
   Miscellaneous
     - Fix some PCI Express capability version issues (Myron Stowe)
     - Factor out some arch code with a weak, generic, pcibios_setup() (Myron Stowe)
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Merge tag 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "Host bridge hotplug:
    - Add MMCONFIG support for hot-added host bridges (Jiang Liu)
  Device hotplug:
    - Move fixups from __init to __devinit (Sebastian Andrzej Siewior)
    - Call FINAL fixups for hot-added devices, too (Myron Stowe)
    - Factor out generic code for P2P bridge hot-add (Yinghai Lu)
    - Remove all functions in a slot, not just those with _EJx (Amos
      Kong)
  Dynamic resource management:
    - Track bus number allocation (struct resource tree per domain)
      (Yinghai Lu)
    - Make P2P bridge 1K I/O windows work with resource reassignment
      (Bjorn Helgaas, Yinghai Lu)
    - Disable decoding while updating 64-bit BARs (Bjorn Helgaas)
  Power management:
    - Add PCIe runtime D3cold support (Huang Ying)
  Virtualization:
    - Add VFIO infrastructure (ACS, DMA source ID quirks) (Alex
      Williamson)
    - Add quirks for devices with broken INTx masking (Jan Kiszka)
  Miscellaneous:
    - Fix some PCI Express capability version issues (Myron Stowe)
    - Factor out some arch code with a weak, generic, pcibios_setup()
      (Myron Stowe)"

* tag 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (122 commits)
  PCI: hotplug: ensure a consistent return value in error case
  PCI: fix undefined reference to 'pci_fixup_final_inited'
  PCI: build resource code for M68K architecture
  PCI: pciehp: remove unused pciehp_get_max_lnk_width(), pciehp_get_cur_lnk_width()
  PCI: reorder __pci_assign_resource() (no change)
  PCI: fix truncation of resource size to 32 bits
  PCI: acpiphp: merge acpiphp_debug and debug
  PCI: acpiphp: remove unused res_lock
  sparc/PCI: replace pci_cfg_fake_ranges() with pci_read_bridge_bases()
  PCI: call final fixups hot-added devices
  PCI: move final fixups from __init to __devinit
  x86/PCI: move final fixups from __init to __devinit
  MIPS/PCI: move final fixups from __init to __devinit
  PCI: support sizing P2P bridge I/O windows with 1K granularity
  PCI: reimplement P2P bridge 1K I/O windows (Intel P64H2)
  PCI: disable MEM decoding while updating 64-bit MEM BARs
  PCI: leave MEM and IO decoding disabled during 64-bit BAR sizing, too
  PCI: never discard enable/suspend/resume_early/resume fixups
  PCI: release temporary reference in __nv_msi_ht_cap_quirk()
  PCI: restructure 'pci_do_fixups()'
  ...
2012-07-24 16:17:07 -07:00
Randy Dunlap
78948c17a4 mfd: Fix arizona-irq.c build by selecting REGMAP_IRQ
arizona-irq.c uses functions that are only available when
CONFIG_REGMAP_IRQ is enabled, so select that symbol for
arizona builds.

Fixes these build errors:

arizona-irq.c:(.text+0xb2d47): undefined reference to `regmap_irq_get_virq'
(.text+0xb2fe3): undefined reference to `regmap_add_irq_chip'
(.text+0xb3173): undefined reference to `regmap_del_irq_chip'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:55:56 +02:00
Mark Brown
508c829994 mfd: Add debug trace on entering and leaving arizone runtime suspend
There doesn't appear to be any useful diagnostic information from the
core.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:52:17 +02:00
Venu Byravarasu
b7e537861a mfd: Correct tps65090 cell names
mfd cell names are mistyped as TPS65910 instead of TPS65090.

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:44:48 +02:00
Laxman Dewangan
7a7487cb55 mfd: Remove gpio support from tps6586x core driver
The GPIO functionality of device tps6586x is added through
platform gpio driver and it can be register as the mfd sub
device and hence removing the duplicates code which register
the gpio functionality from core driver.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:40:11 +02:00
Laxman Dewangan
05f3ad2b8a ARM: tegra: defconfig: Enable tps6586x gpio
Enable GPIO_TPS6586X as the gpio functionality of
this device moved as platform driver.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:39:31 +02:00
Laxman Dewangan
72bd986030 gpio: tps6586x: Add gpio support through platform driver
Converting the gpio driver of tps6586x to a platform
driver in place of registering the gpio through core
driver.
The motivation of the change is:
- This is inline with the mfd drivers implementation.
- This will move the related gpio support to gpio driver
  folder where all gpio related drivers are available.
  This will be easy the maintenance and enhancement is
  anything done for gpio.
- The gpio functionality can be selected through config
  variable.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:36:54 +02:00
Laxman Dewangan
75edd5af60 mfd: Cache tps6586x register through regmap
To cache the interrupt mask register, use the regmap RB_TREE
cache-ing mechanism in place of implementing it locally.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:36:53 +02:00
Laxman Dewangan
1176b5be67 mfd: Use regmap for tps6586x register access.
Using regmap apis for accessing the device registers.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:36:53 +02:00
Laxman Dewangan
b6719412dc mfd: Use devm managed resources for tps6586x
Allocate memory for device state using devm_kzalloc()
to simplify accounting and letting the kernel do the
garbage-collection.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:36:53 +02:00
Qiao Zhou
96c905f408 input: Add onkey support for 88PM80X PMIC
Add onkey support for MARVELL 88PM80X PMIC.

Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:29:19 +02:00
Peter Ujfalusi
1fc74aef04 mfd: Add support for twl6041
The delta between twl6040 and twl6041 is small, the main difference is in
the number of GPOs (3 on twl6040, 1 on twl6041).

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:27:13 +02:00
Peter Ujfalusi
be4ac00ac4 mfd: Fix twl6040 revision information
twl6040 ES1.1 and ES1.2 have the same revid (0x01).
ES1.3 of twl6040 REVID is 0x02.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:26:58 +02:00
Linus Torvalds
f14121ab35 Devicetree updates for 3.6
A small set of changes for devicetree:
 - Couple of Documentation fixes
 - Addition of new helper function of_node_full_name
 - Improve of_parse_phandle_with_args return values
 - Some NULL related sparse fixes
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Merge tag 'dt-for-3.6' of git://sources.calxeda.com/kernel/linux

Pull devicetree updates from Rob Herring:
 "A small set of changes for devicetree:
   - Couple of Documentation fixes
   - Addition of new helper function of_node_full_name
   - Improve of_parse_phandle_with_args return values
   - Some NULL related sparse fixes"

Grant's busy packing.

* tag 'dt-for-3.6' of git://sources.calxeda.com/kernel/linux:
  of: mtd: nuke useless const qualifier
  devicetree: add helper inline for retrieving a node's full name
  of: return -ENOENT when no property
  usage-model.txt: fix typo machine_init->init_machine
  of: Fix null pointer related warnings in base.c file
  LED: Fix missing semicolon in OF documentation
  of: fix a few typos in the binding documentation
2012-07-24 14:07:22 -07:00
Linus Torvalds
914311c9fb Pin control changes for v3.6:
- Various cleanups to the U300 driver
 - Refactor the pin control core to automatically remove
   any GPIO ranges when the drivers are removed, instead of
   having the drivers do this explicitly.
 - Add a function for registering a batch of GPIO ranges.
 - Fix a number of incorrect but non-regressive error checks.
 - Incremental improvements to the COH901, i.MX and Nomadik drivers
 - Add a one-register-per-pin entirely Device Tree-based pin
   control driver from Tony Lindgren.
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Merge tag 'pinctrl-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control changes from Linus Walleij:
 "These are the accumulated pin control patches for v3.6:
   - Various cleanups to the U300 driver
   - Refactor the pin control core to automatically remove any GPIO
     ranges when the drivers are removed, instead of having the drivers
     do this explicitly.
   - Add a function for registering a batch of GPIO ranges.
   - Fix a number of incorrect but non-regressive error checks.
   - Incremental improvements to the COH901, i.MX and Nomadik drivers
   - Add a one-register-per-pin entirely Device Tree-based pin control
     driver from Tony Lindgren."

* tag 'pinctrl-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: Add one-register-per-pin type device tree based pinctrl driver
  pinctrl/nomadik: add spi2_oc1_2 pin group
  pinctrl/nomadik: kerneldoc fix
  pinctrl/nomadik: use devm_* allocators for gpio probe
  pinctrl/nomadik: add pin group to mco function
  pinctrl/nomadik: add hsit_a_2 pin group
  pinctrl/nomadik: add pin group smcs1 and smps0
  pinctrl/nomadik: fix hsir_a_1_pins pin list
  pinctrl: pinctrl-imx: fix map setting problem if NO_PAD_CTL is set
  pinctrl/coh901: use clk_prepare_[en|dis]able()
  pinctrl/pinctrl-tegra: remove IS_ERR checking of pmx->pctl
  pinctrl/pinctrl-spear: remove IS_ERR checking of pmx->pctl
  pinctrl/u300: drop unused variable
  pinctrl: select the proper symbol
  pinctrl: add pinctrl_add_gpio_ranges function
  pinctrl: remove pinctrl_remove_gpio_range
  pinctrl/pinctrl-core: cleanup pinctrl_register
  pinctrl/u300: delete pointless debug print
  pinctrl/pinctrl-u300: remove devm_kfree at driver unload
2012-07-24 14:05:46 -07:00
Linus Torvalds
5dedb9f3bd InfiniBand/RDMA changes for the 3.6 merge window:
- Updates to the qib low-level driver
  - First chunk of changes for SR-IOV support for mlx4 IB
  - RDMA CM support for IPv6-only binding
  - Other misc cleanups and fixes
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Merge tag 'rdma-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull InfiniBand/RDMA changes from Roland Dreier:
 - Updates to the qib low-level driver
 - First chunk of changes for SR-IOV support for mlx4 IB
 - RDMA CM support for IPv6-only binding
 - Other misc cleanups and fixes

Fix up some add-add conflicts in include/linux/mlx4/device.h and
drivers/net/ethernet/mellanox/mlx4/main.c

* tag 'rdma-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (30 commits)
  IB/qib: checkpatch fixes
  IB/qib: Add congestion control agent implementation
  IB/qib: Reduce sdma_lock contention
  IB/qib: Fix an incorrect log message
  IB/qib: Fix QP RCU sparse warnings
  mlx4: Put physical GID and P_Key table sizes in mlx4_phys_caps struct and paravirtualize them
  mlx4_core: Allow guests to have IB ports
  mlx4_core: Implement mechanism for reserved Q_Keys
  net/mlx4_core: Free ICM table in case of error
  IB/cm: Destroy idr as part of the module init error flow
  mlx4_core: Remove double function declarations
  IB/mlx4: Fill the masked_atomic_cap attribute in query device
  IB/mthca: Fill in sq_sig_type in query QP
  IB/mthca: Warning about event for non-existent QPs should show event type
  IB/qib: Fix sparse RCU warnings in qib_keys.c
  net/mlx4_core: Initialize IB port capabilities for all slaves
  mlx4: Use port management change event instead of smp_snoop
  IB/qib: RCU locking for MR validation
  IB/qib: Avoid returning EBUSY from MR deregister
  IB/qib: Fix UC MR refs for immediate operations
  ...
2012-07-24 13:56:26 -07:00
Jingoo Han
a2c81bc12c video: exynos_dp: use usleep_range instead of delay
This patch replaces udelay and mdelay with usleep_range to remove
the busy loop waiting.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-07-24 20:56:18 +00:00
Dan Williams
f94898ea66 cdc-ncm: tag Ericsson WWAN devices (eg F5521gw) with FLAG_WWAN
Tag Ericsson NCM devices as WWAN modems, since they almost certainly all
are.  This way userspace clients know that the device requires further
setup on the AT-capable serial ports before connectivity is available.

Signed-off-by: Dan Williams <dcbw@redhat.com>
2012-07-24 13:55:38 -07:00
Alan Cox
8b72ff6484 wanmain: comparing array with NULL
gcc really should warn about these !

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24 13:55:21 -07:00
Jingoo Han
1f61ce508a video: exynos_dp: check the only INTERLANE_ALIGN_DONE bit during Link Training
The only INTERLANE_ALIGN_DONE bit should be checked for channel equalization
during Link Training. Previously, the other bits such as LINK_STATUS_UPDATED
were checked, and channel equalization procedure was repeated unnecessarily.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-07-24 20:55:16 +00:00
Alexander Shiyan
559dc9d9fe fb: epson1355fb: Fix section mismatch
This patch fixes "section mismatch" warning in the epson1355fb driver.

WARNING: vmlinux.o(.devinit.text+0x184): Section mismatch in reference from the function epson1355fb_probe() to the function .init.text:fetch_hw_state()
The function __devinit epson1355fb_probe() references
a function __init fetch_hw_state().
If fetch_hw_state is only used by epson1355fb_probe then
annotate fetch_hw_state with a matching annotation.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Christopher Hoover <ch@murgatroid.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-07-24 20:54:35 +00:00
Alan Cox
c66b9b7d36 caif: fix NULL pointer check
Reported-by: <rucsoftsec@gmail.com>
Resolves-bug: http://bugzilla.kernel.org/show_bug?44441
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-24 13:54:16 -07:00