Commit graph

506942 commits

Author SHA1 Message Date
David Sterba
aa8ee31209 btrfs: update message levels during failed mount
All error conditions from open_ctree shall be ERR. Warning would
suggest that something's wrong and we can continue.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
2015-01-21 18:02:03 -08:00
David Sterba
68b663d13c btrfs: update message levels for errors
Several messages that point to some internal problem, level INFO is
wrong here.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
2015-01-21 18:02:03 -08:00
Filipe Manana
a8df6fe666 Btrfs: fix setup_leaf_for_split() to avoid leaf corruption
We were incorrectly detecting when the target key didn't exist anymore
after releasing the path and re-searching the tree. This could make
us split or duplicate (btrfs_split_item() and btrfs_duplicate_item()
are its only callers at the moment) an item when we should not.

For the case of duplicating an item, we currently only duplicate
checksum items (csum tree) and file extent items (fs/subvol trees).
For the checksum items we end up overriding the item completely,
but for file extent items we update only some of their fields in
the copy (done in __btrfs_drop_extents), which means we can end up
having a logical corruption for some values.

Also for the case where we duplicate a file extent item it will make
us produce a leaf with a wrong key order, as btrfs_duplicate_item()
advances us to the next slot and then its caller sets a smaller key
on the new item at that slot (like in __btrfs_drop_extents() e.g.).
Alternatively if the tree search in setup_leaf_for_split() leaves
with path->slots[0] == btrfs_header_nritems(path->nodes[0]), we end
up accessing beyond the leaf's end (when we check if the item's size
has changed) and make our caller insert an item at the invalid slot
btrfs_header_nritems(path->nodes[0]) + 1, causing an invalid memory
access if the leaf is full or nearly full.

This issue has been present since the introduction of this function
in 2009:

    Btrfs: Add btrfs_duplicate_item
    commit ad48fd7546

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
2015-01-21 18:02:03 -08:00
Chris Mason
57bbddd7fb Merge branch 'cleanup/blocksize-diet-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus 2015-01-21 17:49:35 -08:00
Chris Mason
d354183488 Merge branch 'fix/find-item-path-leak' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus 2015-01-21 17:45:25 -08:00
Jeff Layton
8116bf4cb6 locks: update comments that refer to inode->i_flock
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
2015-01-21 20:44:01 -05:00
Olof Johansson
7051b6d509 Removes an unused function and the unused
support for CDCE949 clock generator.
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Merge tag 'davinci-for-v3.20/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/cleanup

Merge "DaVinci cleanups for v3.20" from Sekhar Nori:

Removes an unused function and the unused
support for CDCE949 clock generator.

* tag 'davinci-for-v3.20/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: Remove CDCE949 driver
  ARM: davinci: serial.c: remove unused serial_read_reg()

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 17:42:31 -08:00
Josef Bacik
ce93ec548c Btrfs: track dirty block groups on their own list
Currently any time we try to update the block groups on disk we will walk _all_
block groups and check for the ->dirty flag to see if it is set.  This function
can get called several times during a commit.  So if you have several terabytes
of data you will be a very sad panda as we will loop through _all_ of the block
groups several times, which makes the commit take a while which slows down the
rest of the file system operations.

This patch introduces a dirty list for the block groups that we get added to
when we dirty the block group for the first time.  Then we simply update any
block groups that have been dirtied since the last time we called
btrfs_write_dirty_block_groups.  This allows us to clean up how we write the
free space cache out so it is much cleaner.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
2015-01-21 17:36:52 -08:00
Josef Bacik
e7070be198 Btrfs: change how we track dirty roots
I've been overloading root->dirty_list to keep track of dirty roots and which
roots need to have their commit roots switched at transaction commit time.  This
could cause us to lose an update to the root which could corrupt the file
system.  To fix this use a state bit to know if the root is dirty, and if it
isn't set we go ahead and move the root to the dirty list.  This way if we
re-dirty the root after adding it to the switch_commit list we make sure to
update it.  This also makes it so that the extent root is always the last root
on the dirty list to try and keep the amount of churn down at this point in the
commit.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
2015-01-21 17:35:49 -08:00
Kevin Cernekee
79969f6aaf power/reset: brcmstb: Add support for old 65nm chips
The register bit fields are a little different, so add an entry and a
compatible string to accommodate them.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-01-22 02:25:32 +01:00
Kevin Cernekee
bb1de7f61f power/reset: brcmstb: Use the DT "compatible" string to indicate bit positions
Some of the older chips used different bits to arm and trigger the reset.
Add the infrastructure needed to specify this through the "compatible"
string.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-01-22 02:25:32 +01:00
Kevin Cernekee
4f5fd64046 power/reset: brcmstb: Make the driver buildable on MIPS
Now that the driver doesn't use any ARM-specific headers, it is safe
to build on MIPS or with COMPILE_TEST.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
2015-01-22 02:25:31 +01:00
Olof Johansson
f50f7070e5 Third Round of Renesas ARM Based SoC Updates for v3.20
* Special-case PM domains with memory-controllers
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Merge tag 'renesas-soc3-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Merge "Third Round of Renesas ARM Based SoC Updates for v3.20" from Simon
Horman:

* Special-case PM domains with memory-controllers

* tag 'renesas-soc3-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: R-Mobile: Special-case PM domains with memory-controllers
  ARM: shmobile: R-Mobile: Generalize adding/looking up special PM domains
  ARM: shmobile: R-Mobile: Consolidate rmobile_pd_suspend_*()

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 17:19:05 -08:00
Olof Johansson
604beee864 Second Round of Renesas ARM Based SoC Fixes for v3.19
* Instantiate GIC from C board code in legacy builds on r8a7778 and r8a7779
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Merge tag 'renesas-soc-fixes2-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

Merge "Second Round of Renesas ARM Based SoC Fixes for v3.19" from Simon
Horman:

* Instantiate GIC from C board code in legacy builds on r8a7778 and r8a7779

* tag 'renesas-soc-fixes2-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: r8a7779: Instantiate GIC from C board code in legacy builds
  ARM: shmobile: r8a7778: Instantiate GIC from C board code in legacy builds

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 17:15:49 -08:00
Olof Johansson
0786d9c5b3 Qualcomm ARM Based Device Tree Updates for v3.20
* Correct IPQ8064 tlmm interrupt
 * Add Support for SD Card Detect for ifc6410 board
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Merge tag 'qcom-dt-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/dt

Merge "qcom DT changes for v3.20" from Kumar Gala:

Qualcomm ARM Based Device Tree Updates for v3.20

* Correct IPQ8064 tlmm interrupt
* Add Support for SD Card Detect for ifc6410 board

* tag 'qcom-dt-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
  ARM: dts: qcom: Correct IPQ8064 tlmm interrupt
  ARM: dts: qcom: Add Support for SD Card Detect for ifc6410 board

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 17:03:01 -08:00
Olof Johansson
a71596933c Second Round of Renesas ARM Based SoC Updates for v3.20
* Add DT support for PM domains
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Merge tag 'renesas-soc2-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Merge "Second Round of Renesas ARM Based SoC Updates for v3.20" from Simon
Horman:

* Add DT support for PM domains

* tag 'renesas-soc2-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: R-Mobile: Add DT support for PM domains
  ARM: shmobile: R-Mobile: Store SYSC base address in rmobile_pm_domain
  ARM: shmobile: R-Mobile: Use generic_pm_domain.attach_dev() for pm_clk setup

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 17:02:21 -08:00
Olof Johansson
e42da8a146 Second Round of Renesas ARM Based SoC DT Updates for v3.20
* Support Renesas memory controllers
 * Add SRC interrupt number on r8a779~ and r8a7791 SoCs
 * Fix MSTP8 input clocks on r8a7791 SoC
 * Add PM domain support to r8a7740
 * Add DT bindings for the R-Mobile System Controller
 * Use Add sh73a0-specific FSI2 compatible property
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Merge tag 'renesas-dt2-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Merge "Second Round of Renesas ARM Based SoC DT Updates for v3.20" from Simon
Horman:

* Support Renesas memory controllers
* Add SRC interrupt number on r8a779~ and r8a7791 SoCs
* Fix MSTP8 input clocks on r8a7791 SoC
* Add PM domain support to r8a7740
* Add DT bindings for the R-Mobile System Controller
* Use Add sh73a0-specific FSI2 compatible property

* tag 'renesas-dt2-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  PM / Domains: R-Mobile SYSC: Document SH-Mobile AG5 (sh73a0) binding
  ARM: shmobile: sh73a0 dtsi: Add memory-controller nodes
  ARM: shmobile: r8a7740 dtsi: Add memory-controller node
  ARM: shmobile: r8a73a4 dtsi: Add memory-controller nodes
  ARM: shmobile: Add DT bindings for Renesas memory controllers
  ARM: shmobile: r8a7791: add SRC interrupt number on DTSI
  ARM: shmobile: r8a7790: add SRC interrupt number on DTSI
  ARM: shmobile: r8a7791: fix MSTP8 input clocks
  ARM: shmobile: r8a7740 dtsi: Add PM domain support
  PM / Domains: Add DT bindings for the R-Mobile System Controller
  ARM: shmobile: sh73a0 dtsi: Add SoC-specific FSI2 compatible property

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 17:00:47 -08:00
Tony Lindgren
20d9448a59 ARM: OMAP2+: hwmod: first set of patches for v3.20
First set of OMAP2+ hwmod patches for Linux v3.20.  These are mostly
 fixes for warnings, although there's one DRA7xx patch that fixes
 CONFIG_DEBUG_LL for AM572x/DRA7xx SoCs that use UART3 for console,
 such as the BeagleBoard-X15.
 
 These patches entered Linux-next starting with the next-20150121 tag.
 
 Basic build, boot, and PM test results can be found here:
 
 http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v3.20/20150121142621/
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Merge tag 'for-v3.20/omap-hwmod-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.20/fixes-not-urgent

ARM: OMAP2+: hwmod: first set of patches for v3.20

First set of OMAP2+ hwmod patches for Linux v3.20.  These are mostly
fixes for warnings, although there's one DRA7xx patch that fixes
CONFIG_DEBUG_LL for AM572x/DRA7xx SoCs that use UART3 for console,
such as the BeagleBoard-X15.

These patches entered Linux-next starting with the next-20150121 tag.

Basic build, boot, and PM test results can be found here:

http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v3.20/20150121142621/
2015-01-21 16:52:17 -08:00
Olof Johansson
6937dbffc7 Device tree changes for omaps. Mostly to add support for new
am437x-idk and update am437x-sk boards. Also enabling new
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Merge tag 'omap-for-v3.20/dt-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Merge "omap device tree changes for v3.20" from Tony Lindgren:

Device tree changes for omaps. Mostly to add support for new
am437x-idk and update am437x-sk boards. Also enabling new
devices for multiple boards.

* tag 'omap-for-v3.20/dt-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (21 commits)
  ARM: dts: omap3-gta04: Add handling for tv output
  ARM: dts: cm-t3x: add NAND support
  ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node
  ARM: dts: am437x-idk: add gpio-based power key
  ARM: dts: N950/N9: add twl_power
  ARM: dts: am437x-sk: add power button binding
  ARM: dts: add support for AM437x IDK
  ARM: dts: am437x-gp-evm: add VPFE device tree data
  ARM: dts: am437x-sk-evm: add VPFE device tree data
  ARM: dts: am43x-epos-evm: add VPFE device tree data
  ARM: dts: am4372: add VPFE DT node entries
  ARM: dts: DRA7X: drop id property in pcie_phy
  ARM: dts: omap3-n900: cleanup english
  ARM: dts: am57xx-beagle-x15: Add dual ethernet
  ARM: dts: am437x-sk: remove DSS pulls
  ARM: dts: am437x-sk: remove internal i2c pullups
  ARM: dts: am437x-sk: add explicit pinmux for both USB instances
  ARM: dts: am437x-sk: remove ethernet pulls
  ARM: dts: am437x-sk: add explicit MMC0 pinmux
  ARM: dts: am437x-sk: remove internal pulls from QSPI
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 16:51:01 -08:00
Olof Johansson
074450e42f Clean-up for omaps to remove dead code found with cppcheck after
we've made several SoCs to boot in device tree only mode.
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Merge tag 'omap-for-v3.20/cleanup-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Merge "omap clean-up for v3.20" from Tony Lindgren:

Clean-up for omaps to remove dead code found with cppcheck after
we've made several SoCs to boot in device tree only mode.

* tag 'omap-for-v3.20/cleanup-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Remove unused ti81xx platform init code
  ARM: OMAP3+: PRM: remove prm_get_reset_sources declaration from headers
  ARM: OMAP2: CM: remove unused PLL functions
  ARM: OMAP2: clock: remove unused apll code
  ARM: OMAP: dma.c: Remove unused function
  ARM: OMAP1: timer32k.c: Remove unused function
  ARM: OMAP1: irq.c: Remove unused function
  ARM: OMAP2+: omap-pm-noop.c: Remove some unused functions
  ARM: OMAP2+: voltage: Remove some unused functions
  ARM: OMAP2+: powerdomain.c: Remove some unused functions
  ARM: OMAP2+: omap_hwmod.c: Remove some unused functions
  ARM: OMAP2+: dpll44xx.c: Remove unused function
  ARM: OMAP2+: cm33xx.c: Remove some unused functions
  ARM: OMAP2+: clkt2xxx_apll.c: Remove some unused functions

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 16:50:15 -08:00
Olof Johansson
2b59018958 Non-urgent fixes for omap variant dm816x that has been in a sorry
broken half merged state for a few years now. This gets us to the
 point where we can boot it properly once the related SoC data is
 added. Note that we've already made dm816x device tree only by
 removing the known broken board file.
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Merge tag 'omap-for-v3.20/fixes-not-urgent-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

Merge "omap non-urgent fixes for v3.20" from Tony Lindgren:

Non-urgent fixes for omap variant dm816x that has been in a sorry
broken half merged state for a few years now. This gets us to the
point where we can boot it properly once the related SoC data is
added. Note that we've already made dm816x device tree only by
removing the known broken board file.

* tag 'omap-for-v3.20/fixes-not-urgent-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Disable omap3 PM init for ti81xx
  ARM: OMAP2+: Fix reboot for 81xx
  ARM: OMAP2+: Fix dm814 and dm816 for clocks and timer init
  ARM: OMAP2+: Fix ti81xx class type
  ARM: OMAP2+: Fix ti81xx devtype
  ARM: OMAP2+: Fix error handling for omap2_clk_enable_init_clocks

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 16:49:26 -08:00
Rusty Russell
d5db139ab3 module: make module_refcount() a signed integer.
James Bottomley points out that it will be -1 during unload.  It's
only used for diagnostics, so let's not hide that as it could be a
clue as to what's gone wrong.

Cc: Jason Wessel <jason.wessel@windriver.com>
Acked-and-documention-added-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Masami Hiramatsu <maasami.hiramatsu.pt@hitachi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-01-22 11:15:54 +10:30
Dave Airlie
281d1bbd34 Merge remote-tracking branch 'origin/master' into drm-next
Backmerge Linus tree after rc5 + drm-fixes went in.

There were a few amdkfd conflicts I wanted to avoid,
and Ben requested this for nouveau also.

Conflicts:
	drivers/gpu/drm/amd/amdkfd/Makefile
	drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
	drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
	drivers/gpu/drm/amd/amdkfd/kfd_priv.h
	drivers/gpu/drm/amd/include/kgd_kfd_interface.h
	drivers/gpu/drm/i915/intel_runtime_pm.c
	drivers/gpu/drm/radeon/radeon_kfd.c
2015-01-22 10:44:41 +10:00
Olof Johansson
51271cecc9 STi defconfig for v3.20, round 1.
Highlights:
 -----------
  - Enable STiH407 USB PicoPHY in multi_v7_defconfig
  - Enable MiPHY28lp driver in multi_v7_defconfig
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Merge tag 'sti-defconfig-for-v3.20-1' of git://git.stlinux.com/devel/kernel/linux-sti into next/defconfig

Merge "STi defconfig for v3.20, round 1" from Maxime Coquelin:

Highlights:
-----------
 - Enable STiH407 USB PicoPHY in multi_v7_defconfig
 - Enable MiPHY28lp driver in multi_v7_defconfig

* tag 'sti-defconfig-for-v3.20-1' of git://git.stlinux.com/devel/kernel/linux-sti:
  ARM: multi_v7_defconfig: Enable MiPHY28lp - ST's Generic (SATA, PCIe & USB3) PHY
  ARM: multi_v7_defconfig: Enable stih407 usb picophy

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 16:39:38 -08:00
Paul Bolle
6cc082a84e ARM: mvebu: make DTS comments reflect DEBUG_LL changes
The Kconfig symbol DEBUG_MVEBU_UART_ALTERNATE was renamed to
DEBUG_MVEBU_UART0_ALTERNATE. And the symbol DEBUG_MVEBU_UART1_ALTERNATE
was added to allow UART1 as a DEBUG_LL target. Make the comment at the
top of this DTS reflect those changes.

Since we're touching this DTS add comments to show which blocks describe
UART0 and UART1.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
2015-01-21 18:36:14 -06:00
Gregory CLEMENT
0df5a6ccd0 ARM: mvebu: Armada 385 GP: Add regulators to the SATA port
Add the regulators to each SATA port.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2015-01-21 18:36:14 -06:00
Christoph Junghans
7636bda61a ARM: Kirkwood: Added support for pogoplug e02 (pink/gray)
The pogoplug differs from the SheevaPlug only by a
few details, but especially in the led assignments.
This patch was tested under Gentoo Linux and is
based on dts files from Arch Linux ARM and OpenWrt.

Suggested-by: Felix Kaechele <heffer@fedoraproject.org>
Suggested-by: Oleg Rakhmanov <moonman.ca@gmail.com>
Signed-off-by: Christoph Junghans <ottxor@gentoo.org>
[Andrew Lunn <andrew@lunn.ch>: Fixed subject line]
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
2015-01-21 18:35:26 -06:00
Yaowei Bai
3a75ef0c78 MAINTAINERS / ACPI: add the necessary '/' according to entry rules
Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-22 01:23:32 +01:00
Yaowei Bai
de14da2a72 ACPI / Documentation: add a missing '='
Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-22 01:21:45 +01:00
Heikki Krogerus
4483d59e29 ACPI / LPSS: check the result of ioremap()
If it fails we have to skip the device.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-22 01:20:02 +01:00
Octavian Purdila
97d746578b ACPICA: take ACPI_MTX_INTERPRETER in acpi_unload_table_id()
acpi_tb_delete_namespace_by_owner() expects ACPI_MTX_INTERPRETER to be
taken. This fixes the following issue:

ACPI Error: Mutex [0x0] is not acquired, cannot release (20141107/utmutex-322)
Call Trace:
  [<ffffffff81b0bd28>] dump_stack+0x4f/0x7b
  [<ffffffff81546bfc>] acpi_ut_release_mutex+0x47/0x67
  [<ffffffff81542cf1>] acpi_tb_delete_namespace_by_owner+0x57/0x8d
  [<ffffffff81543ef1>] acpi_unload_table_id+0x3a/0x5e

Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-22 01:16:44 +01:00
Jakub Sitnicki
eeeb98bf06 PNP: Switch from __check_region() to __request_region()
PNP core is the last user of the __check_region() which has been
deprecated for almost 12 years (since v2.5.54). Replace it with a combo
of __request_region() followed by __release_region().

pnp_check_port() and pnp_check_mem() remain racy after this change.

Signed-off-by: Jakub Sitnicki <jsitnicki@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-01-22 01:14:50 +01:00
Dave Airlie
c366321672 Merge branch 'vmwgfx-fixes-3.19' of git://people.freedesktop.org/~thomash/linux into drm-fixes
fix a vmwgfx regression sleeping wrong task state.

* 'vmwgfx-fixes-3.19' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: Replace the hw mutex with a hw spinlock
2015-01-22 10:03:00 +10:00
Dave Airlie
bfa55bd499 Merge branch 'drm-sti-next-add-dvo' of git://git.linaro.org/people/benjamin.gaignard/kernel into drm-next
This patch enable the last big hardware feature of my driver: the
connector for panel.
Like for HMDI and HDA, Digital Video Out (DVO) create brige, encoder
and connector
drm objects.

* 'drm-sti-next-add-dvo' of git://git.linaro.org/people/benjamin.gaignard/kernel:
  drm: sti: add DVO output connector
2015-01-22 09:59:25 +10:00
Dave Airlie
c0d2792b2a Merge tag 'atmel-hlcdc-drm-3.20' of https://github.com/bbrezillon/linux-at91 into drm-next
Add atmel HLCDC driver.

* tag 'atmel-hlcdc-drm-3.20' of https://github.com/bbrezillon/linux-at91:
  drm: add DT bindings documentation for atmel-hlcdc-dc driver
  drm: add Atmel HLCDC Display Controller support
  drm: panel: simple-panel: add bus format information for foxlink panel
  drm: panel: simple-panel: add support for bus_format retrieval
  drm: add bus_formats and num_bus_formats fields to drm_display_info
2015-01-22 09:48:02 +10:00
Dave Airlie
ca1130de2a Merge tag 'drm-amdkfd-next-2015-01-21' of git://people.freedesktop.org/~gabbayo/linux into drm-next
- Infrastructure work in amdkfd to prepare for VI support. This work mainly
  includes separating modules into ASIC-specific functionality, adding
  new properties that are relevant for VI, making sure that shared code is
  reused, etc.

- Improve mechanism of submitting packets to HIQ (the kernel queue that amdkfd
  uses to issue commands to the GPU). The driver used to verify that each CS
  was read by the GPU. However, this proved to be both unnecessary and erroneous.
  Therefore, we cancelled this verification.

- Moved initialization of compute VMIDs into radeon driver

- Various minor fixes

* tag 'drm-amdkfd-next-2015-01-21' of git://people.freedesktop.org/~gabbayo/linux: (22 commits)
  drm/amdkfd: Fix description of sched_policy module parameter
  drm/amdkfd: Remove sync_with_hw() from amdkfd
  drm/amdkfd: Remove unused function busy_wait()
  drm/amdkfd: Replace cpu_relax() with schedule() in DQM
  drm/amdkfd: Fix for-loop when allocating HQD (non-HWS)
  drm/amdkfd: Add initial VI support for KQ
  drm/amdkfd: Encapsulate KQ functions in ops structure
  drm/amdkfd: Add initial VI support for DQM
  drm/amdkfd: Encapsulate DQM functions in ops structure
  drm/amdkfd: Don't BUG on freeing GART sub-allocation
  drm/amdkfd: Fix logic of destroy_queue_nocpsch()
  MAINTAINERS: Update amdkfd files
  drm/amdkfd: Change MQD manager to be H/W specific
  drm/amdkfd: Add asic property to kfd_device_info
  drm/amdkfd: Make KFD_MQD_TYPE enum types H/W agnostic
  drm/amdkfd: Add new VI-specific queue properties
  drm/radeon: Use new cik_structs.h file
  drm/amdkfd: Don't include header files from radeon
  drm/amd: Put cik structures in a common place
  drm/radeon: Don't use relative paths in #include
  ...
2015-01-22 09:44:46 +10:00
Olof Johansson
a315ec7b0c STi DT updates for v3.20, round 1.
Highlights:
 -----------
  - Add USB support for STiH410 & STiH407
  - Add DRM DT nodes for STiH410 & STiH407
  - Add STiH418 SoC support
  - Add DT nodes for MiPHY28lp PHY
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Merge tag 'sti-dt-for-v3.20-1' of git://git.stlinux.com/devel/kernel/linux-sti into next/dt

Merge "STi DT updates for v3.20, round 1" from Maxime Coquelin:

Highlights:
-----------
 - Add USB support for STiH410 & STiH407
 - Add DRM DT nodes for STiH410 & STiH407
 - Add STiH418 SoC support
 - Add DT nodes for MiPHY28lp PHY

* tag 'sti-dt-for-v3.20-1' of git://git.stlinux.com/devel/kernel/linux-sti:
  ARM: DT: STi: STiH407: Add DT node for MiPHY28lp
  ARM: dts: STiH418: Add B2199 board support
  ARM: dts: Add STiH418 SoC support
  ARM: DT: STiH410: Add DRM dt nodes
  ARM: DT: STiH407: Add DRM dt nodes
  ARM: STi: DT: STiH410: Add DT nodes for the ehci and ohci usb controllers.
  ARM: STi: DT: STiH410: Add usb2 picophy dt nodes
  ARM: STi: DT: STiH407: Add usb2 picophy dt nodes

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 15:25:23 -08:00
Olof Johansson
a62d351dc5 STi SoC updates for v3.20, round 1.
Highlights:
 -----------
  - Add support for STiH418 SoC
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Merge tag 'sti-soc-for-v3.20-1' of git://git.stlinux.com/devel/kernel/linux-sti into next/soc

Merge "ARM: STi: SoC changes for v3.20, round 1" from Maxime Coquelin:

Highlights:
-----------
 - Add support for STiH418 SoC

* tag 'sti-soc-for-v3.20-1' of git://git.stlinux.com/devel/kernel/linux-sti:
  ARM: STi: Add STiH418 SoC support

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 15:23:24 -08:00
Olof Johansson
7f09a46fe9 Second batch of cleanup for 3.20:
- By reworking the PM code, we can remove the AT91 more specific initialization
 - We are using DT for SRAM initialization now, so we can remove its explicit
   mapping
 - The PMC clock driver now hosts IDLE function for at91rm9200 with other
   SoCs ones.
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Merge tag 'at91-cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/soc

Merge "at91: cleanup for 3.20 #2" from Nicolas Ferre:

Second batch of cleanup for 3.20:
- By reworking the PM code, we can remove the AT91 more specific initialization
- We are using DT for SRAM initialization now, so we can remove its explicit
  mapping
- The PMC clock driver now hosts IDLE function for at91rm9200 with other
  SoCs ones.

* tag 'at91-cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91: (37 commits)
  ARM: at91: move at91rm9200_idle() to clk/at91/pmc.c
  ARM: at91: remove unused at91_init_sram
  ARM: at91: sama5d4: remove useless call to at91_init_sram
  ARM: at91: remove useless map_io
  ARM: at91: pm: prepare for multiplatform
  ARM: at91: pm: add UDP and UHP checks to newer SoCs
  ARM: at91: pm: use the mmio-sram pool to access SRAM
  ARM: at91: pm: rework cpu detection
  ARM: at91: dts: sama5d3: add ov2640 camera sensor support
  ARM: at91: dts: sama5d3: change name of pinctrl of ISI_MCK
  ARM: at91: dts: sama5d3: change name of pinctrl_isi_{power,reset}
  ARM: at91: dts: sama5d3: move the isi mck pin to mb
  ARM: at91: dts: sama5d3: add missing pins of isi
  ARM: at91: dts: sama5d3: split isi pinctrl
  ARM: at91: dts: sama5d3: add isi clock
  ARM: at91/dt: ethernut5: use at91sam9xe.dtsi
  ARM: at91/dt: Add a dtsi for at91sam9xe
  ARM: at91/dt: add SRAM nodes
  ARM: at91/dt: at91rm9200ek: enable RTC
  ARM: at91/dt: rm9200: add RTC node
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 15:17:56 -08:00
Will Deacon
0495cb75ed of/platform: teardown DMA mappings on device destruction
Now that we can create and attach to IOMMU domains via of_dma_configure,
make sure we give the architecture a chance to tear them down when a
platform or amba device is destroyed.

Acked-by: Rob Herring <robh@kernel.org>
Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 15:15:14 -08:00
Sakari Ailus
2c0108e1c0 [media] omap3isp: Correctly set QUERYCAP capabilities
device_caps in struct v4l2_capability were inadequately set in
VIDIOC_QUERYCAP. Fix this. Without this a WARN_ON in the v4l2 core
is triggered. This WARN_ON was added for kernel 3.19 exactly to
detect these situations.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 21:09:11 -02:00
Hans Verkuil
8d4d9329cd [media] cx23885: fix free interrupt bug
First free the interrupt, then disable the PCI device. The other way
around will lead to this warning:

Jan 19 11:42:02 telek kernel: [ 1440.161234] WARNING: CPU: 0 PID: 2191 at kernel/irq/manage.c:1311 __free_irq+0x97/0x1f0()
Jan 19 11:42:02 telek kernel: [ 1440.161236] Trying to free already-free IRQ 0
Jan 19 11:42:02 telek kernel: [ 1440.161237] Modules linked in: tda8290 tda10048 cx25840 cx23885(-) altera_ci tda18271 altera_stapl videobuf2_dvb tveeprom cx2341x videobuf2_dma_sg dvb_core rc_core videobuf2_memops videobuf2_core v4l2_common videodev media nouveau x86_pkg_temp_thermal cfbfillrect cfbimgblt cfbcopyarea ttm drm_kms_helper processor button isci
Jan 19 11:42:02 telek kernel: [ 1440.161266] CPU: 0 PID: 2191 Comm: rmmod Tainted: G        W      3.19.0-rc1-telek #345
Jan 19 11:42:02 telek kernel: [ 1440.161268] Hardware name: ASUSTeK COMPUTER INC. Z9PE-D8 WS/Z9PE-D8 WS, BIOS 5404 02/10/2014
Jan 19 11:42:02 telek kernel: [ 1440.161270]  ffffffff81bf1fce ffff8808958b7cc8 ffffffff8194a97f 0000000000000000
Jan 19 11:42:02 telek kernel: [ 1440.161274]  ffff8808958b7d18 ffff8808958b7d08 ffffffff810c56b0 0000000000000286
Jan 19 11:42:02 telek kernel: [ 1440.161279]  0000000000000000 0000000000000000 ffff88089f808890 ffff88089f808800
Jan 19 11:42:02 telek kernel: [ 1440.161284] Call Trace:
Jan 19 11:42:02 telek kernel: [ 1440.161290]  [<ffffffff8194a97f>] dump_stack+0x4f/0x7b
Jan 19 11:42:02 telek kernel: [ 1440.161295]  [<ffffffff810c56b0>] warn_slowpath_common+0x80/0xc0
Jan 19 11:42:02 telek kernel: [ 1440.161299]  [<ffffffff810c5731>] warn_slowpath_fmt+0x41/0x50
Jan 19 11:42:02 telek kernel: [ 1440.161303]  [<ffffffff81955d36>] ? _raw_spin_lock_irqsave+0x56/0x70
Jan 19 11:42:02 telek kernel: [ 1440.161307]  [<ffffffff81114849>] ? __free_irq+0x49/0x1f0
Jan 19 11:42:02 telek kernel: [ 1440.161311]  [<ffffffff81114897>] __free_irq+0x97/0x1f0
Jan 19 11:42:02 telek kernel: [ 1440.161316]  [<ffffffff81114a88>] free_irq+0x48/0xd0
Jan 19 11:42:02 telek kernel: [ 1440.161323]  [<ffffffffa00e6deb>] cx23885_finidev+0x4b/0x90 [cx23885]
Jan 19 11:42:02 telek kernel: [ 1440.161329]  [<ffffffff814529fa>] pci_device_remove+0x3a/0xc0
Jan 19 11:42:02 telek kernel: [ 1440.161334]  [<ffffffff8153b4ea>] __device_release_driver+0x7a/0xf0
Jan 19 11:42:02 telek kernel: [ 1440.161338]  [<ffffffff8153bc98>] driver_detach+0xc8/0xd0
Jan 19 11:42:02 telek kernel: [ 1440.161341]  [<ffffffff8153b1de>] bus_remove_driver+0x4e/0xb0
Jan 19 11:42:02 telek kernel: [ 1440.161345]  [<ffffffff8153c2eb>] driver_unregister+0x2b/0x60
Jan 19 11:42:02 telek kernel: [ 1440.161349]  [<ffffffff814525c5>] pci_unregister_driver+0x25/0x70
Jan 19 11:42:02 telek kernel: [ 1440.161355]  [<ffffffffa00f6ddc>] cx23885_fini+0x10/0x12 [cx23885]
Jan 19 11:42:02 telek kernel: [ 1440.161360]  [<ffffffff81139a98>] SyS_delete_module+0x1a8/0x1f0
Jan 19 11:42:02 telek kernel: [ 1440.161364]  [<ffffffff819561a9>] system_call_fastpath+0x12/0x17
Jan 19 11:42:02 telek kernel: [ 1440.161367] ---[ end trace a9c07cb5f3357020 ]---

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 21:08:38 -02:00
Hans Verkuil
42639f6de6 [media] pvrusb2: fix missing device_caps in querycap
The VIDIOC_QUERYCAP function should set device_caps, but this was missing.
In addition, it set the version field as well, but that should be done by
the core, not by the driver.

If a driver doesn't set device_caps the v4l2 core will issue a WARN_ON, so
it's important that this is set correctly.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 21:08:03 -02:00
Hans Verkuil
6cf11ee630 [media] vb2: fix vb2_thread_stop race conditions
The locking scheme inside the vb2 thread is unsafe when stopping the
thread. In particular kthread_stop was called *after* internal data
structures were cleaned up instead of doing that before. In addition,
internal vb2 functions were called after threadio->stop was set to
true and vb2_internal_streamoff was called. This is also not allowed.

All this led to a variety of race conditions and kernel warnings and/or
oopses.

Fixed by moving the kthread_stop call up before the cleanup takes
place, and by checking threadio->stop before calling internal vb2
queuing operations.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: <stable@vger.kernel.org>      # for v3.16 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 21:07:26 -02:00
Nobuhiro Iwamatsu
42d74e4fe6 [media] rcar_vin: Update device_caps and capabilities in querycap
The V4L2 API requires both .capabilities and .device_caps fields of
struct v4l2_capability to be set. Otherwise the compliance checker
complains and since commit "v4l2-ioctl: WARN_ON if querycap didn't fill
device_caps" a compile-time warning is issued. Fix this non-compliance
in the rcar_vin driver.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 21:05:58 -02:00
Guennadi Liakhovetski
7d96c3e446 [media] soc-camera: fix device capabilities in multiple camera host drivers
The V4L2 API requires both .capabilities and .device_caps fields of
struct v4l2_capability to be set. Otherwise the compliance checker
complains and since commit "v4l2-ioctl: WARN_ON if querycap didn't fill
device_caps" a compile-time warning is issued. Fix this non-compliance
in several soc-camera camera host drivers.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 21:05:45 -02:00
Brian Foster
4d949021aa xfs: remove incorrect error negation in attr_multi ioctl
xfs_compat_attrmulti_by_handle() calls memdup_user() which returns a
negative error code. The error code is negated by the caller and thus
incorrectly converted to a positive error code.

Remove the error negation such that the negative error is passed
correctly back up to userspace.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2015-01-22 10:04:24 +11:00
Jonathan McDowell
d0bb12c9f4 [media] Fix Mygica T230 support
Commit 2adb177e57 removed 2 devices
from the cxusb device table but failed to fix up the T230 properties
that follow, meaning that this device no longer gets detected properly.
Adjust the cxusb_table index appropriate so detection works.

Signed-off-by: Jonathan McDowell <noodles@earth.li>
Reviewed-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 21:03:39 -02:00
Matthias Schwarzott
721f3223f2 [media] cx23885: Split Hauppauge WinTV Starburst from HVR4400 card entry
Unconditionally attaching Si2161/Si2165 demod driver
breaks Hauppauge WinTV Starburst.
So create own card entry for this.

Add card name comments to the subsystem ids.

This fixes a regression introduced in 3.17 by
36efec48e2 ([media] cx23885: Add si2165 support for HVR-5500)

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
CC: stable@vger.kernel.org # for 3.17 and upper
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 21:02:34 -02:00
Mauro Carvalho Chehab
3cb99af5ea [media] tlg2300: Fix media dependencies
X-Patchwork-Delegate: m.chehab@samsung.com
Changeset ea2e813e8c moved the driver to staging, but it forgot to
preserve the existing dependency.

Fixes: ea2e813e8c ("[media] tlg2300: move to staging in preparation for removal")

Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-01-21 20:58:33 -02:00