platform/kernel/linux-rpi.git
15 years agopowerpc/86xx: Support for NVRAM on GE Fanuc's SBC310
Martyn Welch [Thu, 2 Jul 2009 16:12:37 +0000 (17:12 +0100)]
powerpc/86xx: Support for NVRAM on GE Fanuc's SBC310

Add support for NVRAM on GE Fanuc's SBC310.

Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/86xx: Enable NVRAM on GE Fanuc's SBC610
Martyn Welch [Thu, 2 Jul 2009 16:12:31 +0000 (17:12 +0100)]
powerpc/86xx: Enable NVRAM on GE Fanuc's SBC610

This patch enables the NVRAM found on the GE Fanuc SBC610

Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/fsl: Add PCI device ids for new QoirQ chips
Kumar Gala [Sun, 18 Oct 2009 18:55:55 +0000 (13:55 -0500)]
powerpc/fsl: Add PCI device ids for new QoirQ chips

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/fsl-booke: Rework TLB CAM code
Kumar Gala [Thu, 15 Oct 2009 17:49:01 +0000 (12:49 -0500)]
powerpc/fsl-booke: Rework TLB CAM code

Re-write the code so its more standalone and fixed some issues:
* Bump'd # of CAM entries to 64 to support e500mc
* Make the code handle MAS7 properly
* Use pr_cont instead of creating a string as we go

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/85xx: Kconfig cleanup
Kumar Gala [Fri, 16 Oct 2009 23:31:48 +0000 (18:31 -0500)]
powerpc/85xx: Kconfig cleanup

Introduce new FSL_SOC_BOOKE Kconfig to handle both 85xx and QorIQ
based chips.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/fsl: Make fsl_deep_sleep() usable w/ modules and non-83xx builds
Anton Vorontsov [Wed, 23 Sep 2009 18:52:38 +0000 (22:52 +0400)]
powerpc/fsl: Make fsl_deep_sleep() usable w/ modules and non-83xx builds

Export is needed for modular builds, and a static inline stub is needed
for non-MPC83xx builds.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/83xx: Add power management support for MPC83xx QE boards
Anton Vorontsov [Tue, 15 Sep 2009 21:44:02 +0000 (01:44 +0400)]
powerpc/83xx: Add power management support for MPC83xx QE boards

Simply add power management controller nodes and sleep properties.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/86xx: Add power management support for MPC8610HPCD boards
Anton Vorontsov [Tue, 15 Sep 2009 21:44:00 +0000 (01:44 +0400)]
powerpc/86xx: Add power management support for MPC8610HPCD boards

This patch adds needed nodes and properties to support suspend/resume
on the MPC8610HPCD boards.

There is a dedicated switch (SW9) that is used to wake up the boards.
By default the SW9 button is routed to IRQ8, but could be re-routed
(via PIXIS) to sreset.

With 'no_console_suspend' kernel command line argument specified, the
board is also able to wakeup upon serial port input.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Scott Wood <scottwood@freescale.com> [dts]
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/85xx: Add power management support for MPC85xxMDS boards
Anton Vorontsov [Tue, 15 Sep 2009 21:43:59 +0000 (01:43 +0400)]
powerpc/85xx: Add power management support for MPC85xxMDS boards

- Add power management controller nodes;
- Add interrupts for RTC nodes, the RTC interrupt may be used as a
  wakeup source;
- Add sleep properties (DEVDISR bit mask) and sleep-nexus nodes.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/85xx/86xx: Add suspend/resume support
Anton Vorontsov [Tue, 15 Sep 2009 21:43:57 +0000 (01:43 +0400)]
powerpc/85xx/86xx: Add suspend/resume support

This patch adds suspend/resume support for MPC8540 and MPC8641D-
compatible CPUs. To reach sleep state, we just write the SLP bit
into the PM control and status register.

So far we don't support Deep Sleep mode as found in newer MPC85xx
CPUs (i.e. MPC8536). It can be relatively easy implemented though,
and for it we reserve 'mem' suspend type.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/qe: Implement QE driver for handling resume on MPC85xx
Anton Vorontsov [Tue, 15 Sep 2009 21:43:55 +0000 (01:43 +0400)]
powerpc/qe: Implement QE driver for handling resume on MPC85xx

So far the driver is used to reset QE upon resume, which is needed on
85xx. Later we can move some QE initialization steps into probe().

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agospi_mpc8xxx: Add support for QE DMA mode and CPM1/CPM2 chips
Anton Vorontsov [Mon, 12 Oct 2009 16:49:27 +0000 (20:49 +0400)]
spi_mpc8xxx: Add support for QE DMA mode and CPM1/CPM2 chips

This patch adds QE buffer descriptors mode support for the
spi_mpc8xxx driver, and as a side effect we now support CPM1
and CPM2 SPI controllers.

That means that today we support almost all MPC SPI controllers:

- MPC834x-style controllers (support PIO mode only);
- CPM1 and CPM2 controllers (support DMA mode only);
- QE SPI controllers in CPU mode (PIO mode with shift quirks);
- QE SPI controllers in buffer descriptors (DMA) mode;

The only controller we don't currently support is a newer eSPI
(with a dedicated chip selects and a bit different registers map).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agospi_mpc8xxx: Turn qe_mode into flags
Anton Vorontsov [Mon, 12 Oct 2009 16:49:25 +0000 (20:49 +0400)]
spi_mpc8xxx: Turn qe_mode into flags

Soon there will be more flags introduced in subsequent patches, so
let's turn qe_mode into flags.

Also introduce mpc8xxx_spi_strmode() and print current SPI mode.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agospi_mpc8xxx: Factor out SPI mode change steps into a call
Anton Vorontsov [Mon, 12 Oct 2009 16:49:24 +0000 (20:49 +0400)]
spi_mpc8xxx: Factor out SPI mode change steps into a call

We'll add more steps soon, so get rid of the duplication.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agospi_mpc8xxx: Fix uninitialized variable
Anton Vorontsov [Mon, 12 Oct 2009 16:49:22 +0000 (20:49 +0400)]
spi_mpc8xxx: Fix uninitialized variable

This patch fixes the following warning:

CC      drivers/spi/spi_mpc8xxx.o
  spi_mpc8xxx.c: In function 'of_mpc8xxx_spi_probe':
  spi_mpc8xxx.c:681: warning: 'ret' may be used uninitialized in this function

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/qe&cpm: Implement static inline stubs for non-QE/CPM builds
Anton Vorontsov [Mon, 12 Oct 2009 16:49:20 +0000 (20:49 +0400)]
powerpc/qe&cpm: Implement static inline stubs for non-QE/CPM builds

This is needed to avoid ugly #ifdefs in drivers. Also update fsl_qe_udc
driver so that now it doesn't define its own versions that cause build
breakage when the generic stubs are used.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/cpm: Move CPMFCR_* defines into cpm.h
Anton Vorontsov [Mon, 12 Oct 2009 16:49:18 +0000 (20:49 +0400)]
powerpc/cpm: Move CPMFCR_* defines into cpm.h

The bits are generic to CPM devices, so let's move them to the
common header file, so drivers won't need to privately reintroduce
another bunch of the same bits (as we can't include cpm2.h header
together with cpm1.h).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/qe&cpm2: Avoid redefinitions in CPM2 and QE headers
Anton Vorontsov [Mon, 12 Oct 2009 16:49:16 +0000 (20:49 +0400)]
powerpc/qe&cpm2: Avoid redefinitions in CPM2 and QE headers

struct mcc defined in both immap_qe.h and immap_cpm2.h, so they will
conflic when included in a single file. The mcc struct is easy to deal
with, since it isn't used in any driver (yet), so let's just rename QE
version to qe_mcc.

The ucb_ctlr is a bit trickier, since it is used by fsl_qe_udc driver,
and the driver supports both CPM and QE UDCs, plus the QE version is
used to form a bigger immap struct.

I don't want to touch too much of USB code in this series, so for now
let's just copy most generic version into the common cpm.h header,
later we'll create cpm_usb.h where we'll place common USB structs that
are used by QE/CPM UDC and QE Host drivers (FHCI).

And as for the structs in qe.h and cpm2.h, just prefix them with qe_
and cpm_.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/cpm: Remove SPI defines and spi structs
Anton Vorontsov [Mon, 12 Oct 2009 16:49:13 +0000 (20:49 +0400)]
powerpc/cpm: Remove SPI defines and spi structs

When cpm2.h included into spi_mpc8xxx driver, the SPI defines
in the header conflict with defines in the driver.

We don't need them in the header file, so remove them. Plus
remove "struct spi", we'll use a better version in the driver.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/85xx: Added P1020RDB Platform support.
Poonam Aggrwal [Fri, 25 Sep 2009 04:20:28 +0000 (09:50 +0530)]
powerpc/85xx: Added P1020RDB Platform support.

P1020 is another member of Freescale QorIQ series of processors.
It is an e500 based dual core SOC.
Being a scaled down version of P2020 it has following differences from P2020:
- 533MHz - 800MHz core frequency.
- 256Kbyte L2 cache
- Ethernet controllers with classification capabilities(new controller).

From board perspective P1020RDB is same as P2020RDB.

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/qe: QE also shuts down on MPC8568
Anton Vorontsov [Tue, 15 Sep 2009 21:43:54 +0000 (01:43 +0400)]
powerpc/qe: QE also shuts down on MPC8568

It appears that QE shuts down on all MPC85xx CPUs (i.e. MPC8568 and
MPC8569) and thus needs reset upon resume.

So modify qe_alive_during_sleep() to account that.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/qe: Make qe_reset() code path safe for repeated invocation
Anton Vorontsov [Tue, 15 Sep 2009 21:43:52 +0000 (01:43 +0400)]
powerpc/qe: Make qe_reset() code path safe for repeated invocation

For MPC8569 CPUs we'll need to reset QE after each suspend, so make
qe_reset() code path suitable for repeated invocation, that is:

- Don't initialize rheap structures if already initialized;
- Don't allocate muram for SDMA if already allocated, just reinitialize
  registers with previously allocated muram offset;
- Remove __init attributes from qe_reset() and cpm_muram_init();

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/85xx: Create dts for each core in CAMP mode for P2020RDB
Poonam Aggrwal [Sat, 19 Sep 2009 17:13:56 +0000 (22:43 +0530)]
powerpc/85xx: Create dts for each core in CAMP mode for P2020RDB

This patch creates the dts files for each core and splits the devices
between the two cores for P2020RDB.

core0 has memory, L2, i2c, spi, dma1, usb, eth0, eth1, crypto,
global-util, pci0,
core1 has L2, dma2, eth0, pci1, msi.

MPIC is shared between two cores but each core will protect its
interrupts from other core by using "protected-sources" of mpic.

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/qe: Add qe_upload_firmware() stub for non-QE builds
Anton Vorontsov [Thu, 27 Aug 2009 17:30:19 +0000 (21:30 +0400)]
powerpc/qe: Add qe_upload_firmware() stub for non-QE builds

This is needed to avoid #ifdefs in MPC85xx suspend/resume code.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agopowerpc/qe: Increase MAX_QE_RISC to 4
Anton Vorontsov [Thu, 27 Aug 2009 17:30:11 +0000 (21:30 +0400)]
powerpc/qe: Increase MAX_QE_RISC to 4

MPC8569 CPUs have four QE RISCs, so we need to increase MAX_QE_RISC
constant, otherwise qe_upload_firmware() fails at sanity checking.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
15 years agoMerge commit 'origin/master' into next
Benjamin Herrenschmidt [Wed, 11 Nov 2009 23:59:04 +0000 (10:59 +1100)]
Merge commit 'origin/master' into next

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Linus Torvalds [Wed, 11 Nov 2009 21:38:59 +0000 (13:38 -0800)]
Merge git://git./linux/kernel/git/mason/btrfs-unstable

* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: fix panic when trying to destroy a newly allocated
  Btrfs: allow more metadata chunk preallocation
  Btrfs: fallback on uncompressed io if compressed io fails
  Btrfs: find ideal block group for caching
  Btrfs: avoid null deref in unpin_extent_cache()
  Btrfs: skip btrfs_release_path in btrfs_update_root and btrfs_del_root
  Btrfs: fix some metadata enospc issues
  Btrfs: fix how we set max_size for free space clusters
  Btrfs: cleanup transaction starting and fix journal_info usage
  Btrfs: fix data allocation hint start

15 years agobtusb bluetooth driver: wait for 'waker' work too before closing
Linus Torvalds [Wed, 11 Nov 2009 21:32:29 +0000 (13:32 -0800)]
btusb bluetooth driver: wait for 'waker' work too before closing

Rafael debugged a resume-time hang (with oopses in workqueue handling)
on his laptop that was due to the 'waker' workqueue entry being
disconnected and then released without the workqueue entry having been
synchronized.

Several people were involved, with Oleg Nesterov doing a debugging patch
showing what workqueue entry was corrupt etc.

This was a regression introduced by commit 7bee549e19 ("Bluetooth: Add
USB autosuspend support to btusb driver") as Rafael points out (not
actually bisected, but it became clear once the bug was found).

Tested-and-reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Oliver Neukum <oliver@neukum.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoBtrfs: fix panic when trying to destroy a newly allocated
Josef Bacik [Wed, 11 Nov 2009 20:53:34 +0000 (15:53 -0500)]
Btrfs: fix panic when trying to destroy a newly allocated

There is a problem where iget5_locked will look for an inode, not find it, and
then subsequently try to allocate it.  Another CPU will have raced in and
allocated the inode instead, so when iget5_locked gets the inode spin lock again
and does a search, it finds the new inode.  So it goes ahead and calls
destroy_inode on the inode it just allocated.  The problem is we don't set
BTRFS_I(inode)->root until the new inode is completely initialized.  This patch
makes us set root to NULL when alloc'ing a new inode, so when we get to
btrfs_destroy_inode and we see that root is NULL we can just free up the memory
and continue on.  This fixes the panic

http://www.kerneloops.org/submitresult.php?number=812690

Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux...
Linus Torvalds [Wed, 11 Nov 2009 19:52:22 +0000 (11:52 -0800)]
Merge branch 'for_linus' of git://git./linux/kernel/git/jack/linux-fs-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
  JBD/JBD2: free j_wbuf if journal init fails.
  ext3: Wait for proper transaction commit on fsync
  ext3: retry failed direct IO allocations

15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Wed, 11 Nov 2009 19:35:04 +0000 (11:35 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - possible read past array alc88[02]_parse_auto_config()
  sound: rawmidi: fix MIDI device O_APPEND error handling
  sound: rawmidi: fix checking of O_APPEND when opening MIDI device
  sound: rawmidi: fix double init when opening MIDI device with O_APPEND
  ALSA: hda - Avoid quirk for HP dc5750
  ALSA: hda - Tweak OLPC XO-1.5 microphone bias
  ALSA: hda: Use model=auto quirk for Sony VAIO VGN-FW170J using ALC262

15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...
Linus Torvalds [Wed, 11 Nov 2009 19:34:14 +0000 (11:34 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  x86/PCI: Adjust GFP mask handling for coherent allocations
  PCI ASPM: fix oops on root port removal

15 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Wed, 11 Nov 2009 19:33:08 +0000 (11:33 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: pasemi_defconfig update
  powerpc: 2.6.32 update of defconfigs for embedded 6xx/7xxx, 8xx, 8{3,5,6}xxx
  powerpc/8xxx: enable IPsec ESP by default on mpc83xx/mpc85xx
  powerpc/83xx: Fix u-boot partion size for MPC8377E-WLAN boards
  powerpc/85xx: Fix USB GPIOs for MPC8569E-MDS boards
  powerpc/82xx: kmalloc failure ignored in ep8248e_mdio_probe()
  powerpc/85xx: sbc8548 - fixup of PCI-e related DTS fields

15 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Wed, 11 Nov 2009 19:32:42 +0000 (11:32 -0800)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: Use a definition for the userspace cmpxchg emulation syscall
  [ARM] Fix test for unimplemented ARM syscalls
  ARM: 5784/1: fix early boot machine ID mismatch error display
  [ARM] orion5x: update defconfig
  [ARM] Kirkwood: update defconfig
  [ARM] Kirkwood: clarify PCIe MEM bus/physical address distinction
  [ARM] kirkwood: fix PCI I/O port assignment
  [ARM] kirkwood: fix section mismatch
  [ARM] OpenRD base: Initialize PCI express and i2c
  [ARM] properly report mv78100 stepping A1
  ARM: 5780/1: KS8695: Fix macro definition bug in regs-switch.c
  ARM: 5779/1: ep93xx/micro9.c: fix implicit declaration of function __raw_readl and IOMEM
  RealView: Add sparsemem support for the RealView PBX platform
  RealView: Remove duplicated #define REALVIEW_SYS_FLAGS* statements
  RealView: Add default memory configuration
  Check whether the SCU was already initialised
  ARMv7: Check whether the SMP/nAMP mode was already enabled
  [ARM] pxa: fix resume failure by saving/restoring IPRx registers
  [ARM] pxa/palm: fix incorrect initialization of Palm Tungsten C keyboard
  [ARM] pxa/zaurus: fix NAND flash OOB layout for Borzoi

15 years agoMerge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
Linus Torvalds [Wed, 11 Nov 2009 19:32:04 +0000 (11:32 -0800)]
Merge branch 'drm-linus' of git://git./linux/kernel/git/airlied/drm-2.6

* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (52 commits)
  drm/kms: Init the CRTC info fields for modes forced from the command line.
  drm/radeon/r600: CS parser updates
  drm/radeon/kms: add debugfs for power management for AtomBIOS devices
  drm/radeon/kms: initial mode validation support
  drm/radeon/kms/atom/dce3: call transmitter init on mode set
  drm/radeon/kms: store detailed connector info
  drm/radeon/kms/atom/dce3: fix up usPixelClock calculation for Transmitter tables
  drm/radeon/kms/r600: fix rs880 support v2
  drm/radeon/kms/r700: fix some typos in chip init
  drm/radeon/kms: remove some misleading debugging output
  drm/radeon/kms: stop putting VRAM at 0 in MC space on r600s.
  drm/radeon/kms: disable D1VGA and D2VGA if enabled
  drm/radeon/kms: Don't RMW CP_RB_CNTL
  drm/radeon/kms: fix coherency issues on AGP cards.
  drm/radeon/kms: fix rc410 suspend/resume.
  drm/radeon/kms: add quirk for hp dc5750
  drm/radeon/kms/atom: fix potential oops in spread spectrum code
  drm/kms: typo fix
  drm/radeon/kms/atom: Make card_info per device
  drm/radeon/kms/atom: Fix DVO support
  ...

15 years agoMerge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 11 Nov 2009 19:30:15 +0000 (11:30 -0800)]
Merge branch 'core-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  highmem: Fix debug_kmap_atomic() to also handle KM_IRQ_PTE, KM_NMI, and KM_NMI_PTE
  highmem: Fix race in debug_kmap_atomic() which could cause warn_count to underflow
  rcu: Fix long-grace-period race between forcing and initialization
  uids: Prevent tear down race

15 years agoMerge branch 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 11 Nov 2009 19:29:58 +0000 (11:29 -0800)]
Merge branch 'irq-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: try_one_irq() must be called with irq disabled

15 years agoMerge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 11 Nov 2009 19:29:34 +0000 (11:29 -0800)]
Merge branch 'perf-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tools: Fix permission checks
  perf_events: Fix some typo in the perf events config description

15 years agoMerge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 11 Nov 2009 19:29:24 +0000 (11:29 -0800)]
Merge branch 'sched-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched: Use root_task_group_empty only with FAIR_GROUP_SCHED
  sched: Fix kernel-doc function parameter name

15 years agoMerge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 11 Nov 2009 19:29:10 +0000 (11:29 -0800)]
Merge branch 'x86-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, amd-ucode: Check UCODE_MAGIC before loading the container file
  x86: Fix error return sequence in __ioremap_caller()
  x86: Add Phoenix/MSC BIOSes to lowmem corruption list

15 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Linus Torvalds [Wed, 11 Nov 2009 19:28:11 +0000 (11:28 -0800)]
Merge branch 'for_linus' of git://git./linux/kernel/git/tytso/ext4

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: partial revert to fix double brelse WARNING()
  ext4: Fix return value of ext4_split_unwritten_extents() to fix direct I/O
  ext4: code clean up for dio fallocate handling
  ext4: skip conversion of uninit extents after direct IO if there isn't any
  ext4: fix ext4_ext_direct_IO()'s return value after converting uninit extents
  ext4: discard preallocation when restarting a transaction during truncate

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
Linus Torvalds [Wed, 11 Nov 2009 19:27:49 +0000 (11:27 -0800)]
Merge git://git./linux/kernel/git/wim/linux-2.6-watchdog

* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
  [WATCHDOG] SBC-FITPC2 watchdog driver registration fix

15 years agoMerge branch 'fixes-s3c-2632-rc6' of git://git.fluff.org/bjdooks/linux
Linus Torvalds [Wed, 11 Nov 2009 19:27:26 +0000 (11:27 -0800)]
Merge branch 'fixes-s3c-2632-rc6' of git://git.fluff.org/bjdooks/linux

* 'fixes-s3c-2632-rc6' of git://git.fluff.org/bjdooks/linux:
  ARM: S3C64XX: DMA: Free node for non-circular queues
  ARM: S3C64XX: DMA: Callback with correct buffer pointer
  ARM: S3C64XX: DMA: Make src and dst transfer size same
  ARM: S3C64XX: DMA: Unify callback functions for success/failure
  ARM: S3C64XX: DMA: Protect buffer pointers while manipulation
  ARM: S3C64XX: Tidy definition and comments in s3c_dma_has_circular()
  ARM: S3C64XX: Remove duplicate s3c_dma_has_circular() definition for S3C64xx.
  ARM: SMDK6410: Allocate more GPIO space for WM1190-EV1
  ARM: SMDK6410: Configure GPIO pull up for WM835x IRQ line

15 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Wed, 11 Nov 2009 19:26:42 +0000 (11:26 -0800)]
Merge branch 'for_linus' of git://git./linux/kernel/git/mchehab/linux-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (27 commits)
  V4L/DVB (13314): saa7134: set ts_force_val for the Hauppauge WinTV HVR-1150
  V4L/DVB (13313): saa7134: add support for FORCE_TS_VALID mode for mpeg ts input
  V4L/DVB (13311): uvcvideo: Fix compilation warning with 2.6.32 due to type mismatch with abs()
  V4L/DVB (13309): uvcvideo: Ignore the FIX_BANDWIDTH for compressed video
  V4L/DVB (13287): ce6230 - saa7164-cmd: Fix wrong sizeof
  V4L/DVB (13286): pxa-camera: Fix missing sched.h
  V4L/DVB (13264): gspca_mr97310a: Change vstart for CIF sensor type 1 cams
  V4L/DVB (13257): gspca - m5602-s5k4aa: Add vflip for Fujitsu Amilo Xi 2528
  V4L/DVB (13256): gspca - m5602-s5k4aa: Add another MSI GX700 vflip quirk
  V4L/DVB (13255): gspca - m5602-s5k4aa: Add vflip quirk for the Bruneinit laptop
  V4L/DVB (13240): firedtv: fix regression: tuning fails due to bogus error return
  V4L/DVB (13237): firedtv: length field corrupt in ca2host if length>127
  V4L/DVB (13230): s2255drv: Don't conditionalize video buffer completion on waiting processes
  V4L/DVB (13202): smsusb: add autodetection support for three additional Hauppauge USB IDs
  V4L/DVB (13190): em28xx: fix panic that can occur when starting audio streaming
  V4L/DVB (13170): bttv: Fix reversed polarity error when switching video standard
  V4L/DVB (13169): bttv: Fix potential out-of-order field processing
  V4L/DVB (13167): pt1: Fix a compile error on arm
  V4L/DVB (13132): fix use-after-free Oops, resulting from a driver-core API change
  V4L/DVB (13131): pxa_camera: fix camera pixel format configuration
  ...

15 years agoBtrfs: allow more metadata chunk preallocation
Chris Mason [Wed, 11 Nov 2009 15:16:57 +0000 (10:16 -0500)]
Btrfs: allow more metadata chunk preallocation

On an FS where all of the space has not been allocated into chunks yet,
the enospc can return enospc just because the existing metadata chunks
are full.

We get around this by allowing more metadata chunks to be allocated up
to a certain limit, and finding the right limit is a little fuzzy.  The
problem is the reservations for delalloc would preallocate way too much
of the FS as metadata.  We need to start saying no and just force some
IO to happen.

But we also need to let a reasonable amount of the FS become metadata.
This bumps the hard limit up, later releases will have a better system.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoBtrfs: fallback on uncompressed io if compressed io fails
Josef Bacik [Wed, 11 Nov 2009 02:23:48 +0000 (21:23 -0500)]
Btrfs: fallback on uncompressed io if compressed io fails

Currently compressed IO does not deal with not having its entire extent able to
be allocated.  So if we have enough free space to allocate for the extent, but
its not contiguous, it will fail spectacularly.  This patch fixes this by
falling back on uncompressed IO which lets us spread the delalloc extent across
multiple extents.  I tested this by making us randomly think the reservation had
failed to make it fallback on the uncompressed io way and it seemed to work
fine.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoBtrfs: find ideal block group for caching
Josef Bacik [Wed, 11 Nov 2009 02:23:48 +0000 (21:23 -0500)]
Btrfs: find ideal block group for caching

This patch changes a few things.  Hopefully the comments are helpfull, but
I'll try and be as verbose here.

Problem:

My fedora box was taking 1 minute and 21 seconds to boot with btrfs as root.
Part of this problem was we pick the first block group we can find and start
caching it, even if it may not have enough free space.  The other problem is
we only search for cached block groups the first time around, which we won't
find any cached block groups because this is a newly mounted fs, so we end up
caching several block groups during bootup, which with alot of fragmentation
takes around 30-45 seconds to complete, which bogs down the system.  So

Solution:

1) Don't cache block groups willy-nilly at first.  Instead try and figure out
which block group has the most free, and therefore will take the least amount
of time to cache.

2) Don't be so picky about cached block groups.  The other problem is once
we've filled up a cluster, if the block group isn't finished caching the next
time we try and do the allocation we'll completely ignore the cluster and
start searching from the beginning of the space, which makes us cache more
block groups, which slows us down even more.  So instead of skipping block
groups that are not finished caching when we have a hint, only skip the block
group if it hasn't started caching yet.

There is one other tweak in here.  Before if we allocated a chunk and still
couldn't find new space, we'd end up switching the space info to force another
chunk allocation.  This could make us end up with way too many chunks, so keep
track of this particular case.

With this patch and my previous cluster fixes my fedora box now boots in 43
seconds, and according to the bootchart is not held up by our block group
caching at all.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoBtrfs: avoid null deref in unpin_extent_cache()
Dan Carpenter [Tue, 10 Nov 2009 09:01:43 +0000 (09:01 +0000)]
Btrfs: avoid null deref in unpin_extent_cache()

I re-orderred the checks to avoid dereferencing "em" if it was null.

Found by smatch static checker.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoBtrfs: skip btrfs_release_path in btrfs_update_root and btrfs_del_root
Li Dongyang [Fri, 6 Nov 2009 14:33:01 +0000 (14:33 +0000)]
Btrfs: skip btrfs_release_path in btrfs_update_root and btrfs_del_root

We don't need to call btrfs_release_path because btrfs_free_path will do
that for us.

Signed-off-by: Li Dongyang <Jerry87905@gmail.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoBtrfs: fix some metadata enospc issues
Josef Bacik [Wed, 11 Nov 2009 02:23:48 +0000 (21:23 -0500)]
Btrfs: fix some metadata enospc issues

We weren't reserving metadata space for rename, rmdir and unlink, which could
cause problems.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoBtrfs: fix how we set max_size for free space clusters
Josef Bacik [Wed, 11 Nov 2009 02:23:48 +0000 (21:23 -0500)]
Btrfs: fix how we set max_size for free space clusters

This patch fixes a problem where max_size can be set to 0 even though we
filled the cluster properly.  We set max_size to 0 if we restart the cluster
window, but if the new start entry is big enough to be our new cluster then we
could return with a max_size set to 0, which will mean the next time we try to
allocate from this cluster it will fail.  So set max_extent to the entry's
size.  Tested this on my box and now we actually allocate from the cluster
after we fill it.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoBtrfs: cleanup transaction starting and fix journal_info usage
Josef Bacik [Wed, 11 Nov 2009 02:23:48 +0000 (21:23 -0500)]
Btrfs: cleanup transaction starting and fix journal_info usage

We use journal_info to tell if we're in a nested transaction to make sure we
don't commit the transaction within a nested transaction.  We use another
method to see if there are any outstanding ioctl trans handles, so if we're
starting one do not set current->journal_info, since it will screw with other
filesystems.  This patch also cleans up the starting stuff so there aren't any
magic numbers.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoBtrfs: fix data allocation hint start
Josef Bacik [Wed, 11 Nov 2009 02:23:47 +0000 (21:23 -0500)]
Btrfs: fix data allocation hint start

Sometimes our start allocation hint when we cow a file can be either
EXTENT_HOLE or some other such place holder, which is not optimal.  So if we
find that our em->block_start is one of these special values, check to see
where the first block of the inode is stored, and use that as a hint.  If that
block is also a special value, just fallback on a hint of 0 and let the
allocator figure out a good place to put the data.

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
15 years agoJBD/JBD2: free j_wbuf if journal init fails.
Tao Ma [Tue, 10 Nov 2009 09:13:22 +0000 (17:13 +0800)]
JBD/JBD2: free j_wbuf if journal init fails.

If journal init fails, we need to free j_wbuf.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
15 years agoext3: Wait for proper transaction commit on fsync
Jan Kara [Fri, 16 Oct 2009 17:26:15 +0000 (19:26 +0200)]
ext3: Wait for proper transaction commit on fsync

We cannot rely on buffer dirty bits during fsync because pdflush can come
before fsync is called and clear dirty bits without forcing a transaction
commit. What we do is that we track which transaction has last changed
the inode and which transaction last changed allocation and force it to
disk on fsync.

Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
15 years agoext3: retry failed direct IO allocations
Eric Sandeen [Tue, 13 Oct 2009 02:34:27 +0000 (21:34 -0500)]
ext3: retry failed direct IO allocations

On a 256M 4k block filesystem, doing this in a loop:

    dd if=/dev/zero of=test oflag=direct bs=1M count=64
    rm -f test

eventually leads to spurious ENOSPC:

    dd: writing `test': No space left on device

As with other block allocation callers, it looks like we need to
potentially retry the allocations on the initial ENOSPC.

A similar patch went into ext4 (commit
fbbf69456619de5d251cb9f1df609069178c62d5)

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
15 years agoMerge branch 'fix/hda' into for-linus
Takashi Iwai [Wed, 11 Nov 2009 07:10:31 +0000 (08:10 +0100)]
Merge branch 'fix/hda' into for-linus

15 years agoALSA: hda - possible read past array alc88[02]_parse_auto_config()
Roel Kluin [Tue, 10 Nov 2009 19:11:55 +0000 (20:11 +0100)]
ALSA: hda - possible read past array alc88[02]_parse_auto_config()

The test of index `i' is after the read - too late - and
unsafe: if snd_hda_get_connections() fails in the last
iteration a read beyond the array is possible.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
15 years agopowerpc: pasemi_defconfig update
Olof Johansson [Tue, 6 Oct 2009 15:52:50 +0000 (10:52 -0500)]
powerpc: pasemi_defconfig update

pasemi_defconfig hasn't been updated for a year.

Mostly a refresh of defaults, but this also disables 64K pages.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
15 years agoMerge commit 'kumar/merge' into merge
Benjamin Herrenschmidt [Wed, 11 Nov 2009 04:43:25 +0000 (15:43 +1100)]
Merge commit 'kumar/merge' into merge

15 years agoMerge branch 'for-rmk' of git://linux-arm.org/linux-2.6
Russell King [Tue, 10 Nov 2009 23:37:21 +0000 (23:37 +0000)]
Merge branch 'for-rmk' of git://linux-arm.org/linux-2.6

15 years agosound: rawmidi: fix MIDI device O_APPEND error handling
Clemens Ladisch [Wed, 21 Oct 2009 07:11:43 +0000 (09:11 +0200)]
sound: rawmidi: fix MIDI device O_APPEND error handling

Commit 9a1b64caac82aa02cb74587ffc798e6f42c6170a in 2.6.30 broke the
error handling code in rawmidi_open_priv().

If only the output substream of a RawMIDI device has been opened and
if this device is then opened with O_RDWR | O_APPEND and if the
initialization of the input substream fails (either because of low
memory or because the device driver's open callback fails), then the
runtime structure of the already open output substream will be freed
and all following writes through the first handle will cause
snd_rawmidi_write() to use the NULL runtime pointer.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
15 years agosound: rawmidi: fix checking of O_APPEND when opening MIDI device
Clemens Ladisch [Wed, 21 Oct 2009 07:10:16 +0000 (09:10 +0200)]
sound: rawmidi: fix checking of O_APPEND when opening MIDI device

Commit 9a1b64caac82aa02cb74587ffc798e6f42c6170a in 2.6.30 dropped the
check that a substream must already have been opened with O_APPEND to be
able to open it a second time.

This would make it possible for a substream to be switched to append
mode, which would mean that non-atomic writes would fail unexpectedly.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
15 years agosound: rawmidi: fix double init when opening MIDI device with O_APPEND
Clemens Ladisch [Wed, 21 Oct 2009 07:09:38 +0000 (09:09 +0200)]
sound: rawmidi: fix double init when opening MIDI device with O_APPEND

Commit 9a1b64caac82aa02cb74587ffc798e6f42c6170a in 2.6.30 moved the
substream initialization code to where it would be executed every time
the substream is opened.

This had the consequence that any further opening would drop and leak
the data in the existing buffer, and that the device driver's open
callback would be called multiple times, unexpectedly.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
15 years agoALSA: hda - Avoid quirk for HP dc5750
Takashi Iwai [Tue, 10 Nov 2009 15:08:45 +0000 (16:08 +0100)]
ALSA: hda - Avoid quirk for HP dc5750

The present quirk for HP dc5750 seems broken and maps the pins wrongly.
Since the auto-parser works well for this device, set the default entry
to use model=auto.

Reference: Novell bnc#552154
https://bugzilla.novell.com/show_bug.cgi?id=552154

Signed-off-by: Takashi Iwai <tiwai@suse.de>
15 years ago[WATCHDOG] SBC-FITPC2 watchdog driver registration fix
Denis Turischev [Thu, 5 Nov 2009 11:32:40 +0000 (13:32 +0200)]
[WATCHDOG] SBC-FITPC2 watchdog driver registration fix

This patch fixes device registration process.

Signed-off-by: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
15 years agoARM: Use a definition for the userspace cmpxchg emulation syscall
Russell King [Mon, 9 Nov 2009 23:53:29 +0000 (23:53 +0000)]
ARM: Use a definition for the userspace cmpxchg emulation syscall

Use a definition for the cmpxchg SWI instead of hard-coding the number.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
15 years agoALSA: hda - Tweak OLPC XO-1.5 microphone bias
Daniel Drake [Mon, 9 Nov 2009 15:17:24 +0000 (15:17 +0000)]
ALSA: hda - Tweak OLPC XO-1.5 microphone bias

Our contacts at Conexant suggested that we reduce the external
microphone bias to 50% in order to center the input signal with
the DC input range of the codec. This is because the microphone
port is DC coupled for potential use with sensors.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
15 years agox86, amd-ucode: Check UCODE_MAGIC before loading the container file
Borislav Petkov [Thu, 29 Oct 2009 13:45:52 +0000 (14:45 +0100)]
x86, amd-ucode: Check UCODE_MAGIC before loading the container file

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
LKML-Reference: <20091029134552.GC30802@alberich.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
15 years agodrm/kms: Init the CRTC info fields for modes forced from the command line.
Francisco Jerez [Sat, 7 Nov 2009 15:27:32 +0000 (16:27 +0100)]
drm/kms: Init the CRTC info fields for modes forced from the command line.

Fixes fdo bug 24710.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
15 years agodrm/radeon/r600: CS parser updates
Alex Deucher [Mon, 9 Nov 2009 21:41:21 +0000 (16:41 -0500)]
drm/radeon/r600: CS parser updates

Add some additional regs that require relocs.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
15 years agohighmem: Fix debug_kmap_atomic() to also handle KM_IRQ_PTE, KM_NMI, and KM_NMI_PTE
Soeren Sandmann [Wed, 28 Oct 2009 17:56:35 +0000 (18:56 +0100)]
highmem: Fix debug_kmap_atomic() to also handle KM_IRQ_PTE, KM_NMI, and KM_NMI_PTE

Previously calling debug_kmap_atomic() with these types would
cause spurious warnings.

(triggered by SysProf using perf events)

Signed-off-by: Soeren Sandmann Pedersen <sandmann@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: a.p.zijlstra@chello.nl
Cc: <stable@kernel.org> # .31.x
LKML-Reference: <ye8vdhz8krw.fsf@camel23.daimi.au.dk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
15 years agohighmem: Fix race in debug_kmap_atomic() which could cause warn_count to underflow
Soeren Sandmann [Wed, 28 Oct 2009 17:55:36 +0000 (18:55 +0100)]
highmem: Fix race in debug_kmap_atomic() which could cause warn_count to underflow

debug_kmap_atomic() tries to prevent ever printing more than 10
warnings, but it does so by testing whether an unsigned integer
is equal to 0. However, if the warning is caused by a nested
IRQ, then this counter may underflow and the stream of warnings
will never end.

Fix that by using a signed integer instead.

Signed-off-by: Soeren Sandmann Pedersen <sandmann@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: a.p.zijlstra@chello.nl
Cc: <stable@kernel.org> # .31.x
LKML-Reference: <ye8zl7b8ktj.fsf@camel23.daimi.au.dk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
15 years agoARM: S3C: Merge fixes-s3c64xx-dma
Ben Dooks [Mon, 9 Nov 2009 23:52:34 +0000 (23:52 +0000)]
ARM: S3C: Merge fixes-s3c64xx-dma

Merge branch 'fixes-s3c64xx-dma' into fixes-s3c-2632-rc6

15 years agoARM: S3C64XX: DMA: Free node for non-circular queues
Jassi Brar [Thu, 5 Nov 2009 04:44:39 +0000 (13:44 +0900)]
ARM: S3C64XX: DMA: Free node for non-circular queues

We need to free the buff and lli nodes if the buffer queue is
not CIRCULAR.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoARM: S3C64XX: DMA: Callback with correct buffer pointer
Jassi Brar [Thu, 5 Nov 2009 04:44:33 +0000 (13:44 +0900)]
ARM: S3C64XX: DMA: Callback with correct buffer pointer

buffdone callback should be called per buffer request with pointer
to the latest serviced request.
'next' should point to the one next to currently active.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoARM: S3C64XX: DMA: Make src and dst transfer size same
Jassi Brar [Thu, 5 Nov 2009 04:44:45 +0000 (13:44 +0900)]
ARM: S3C64XX: DMA: Make src and dst transfer size same

Some devices don't seem to work if the source and desitnation transfer
widths are not same. For example, SPI dma xfers, with 8bits/word,
don't work without this patch.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoARM: S3C64XX: DMA: Unify callback functions for success/failure
Jassi Brar [Thu, 5 Nov 2009 04:44:26 +0000 (13:44 +0900)]
ARM: S3C64XX: DMA: Unify callback functions for success/failure

Replace s3c64xx_dma_tcirq and s3c64xx_dma_errirq with the common
s3c64xx_dma_buffdone.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoARM: S3C64XX: DMA: Protect buffer pointers while manipulation
Jassi Brar [Thu, 5 Nov 2009 04:44:20 +0000 (13:44 +0900)]
ARM: S3C64XX: DMA: Protect buffer pointers while manipulation

Ensure the DMA buffer points are not updated from
another source during the process of enquing a buffer.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
[ben-linux@fluff.org: Updated patch comment]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoARM: S3C64XX: Tidy definition and comments in s3c_dma_has_circular()
Ben Dooks [Mon, 9 Nov 2009 23:45:47 +0000 (23:45 +0000)]
ARM: S3C64XX: Tidy definition and comments in s3c_dma_has_circular()

The recent changes to arch/arm/mach-s3c6400/include/mach/dma.h have
left an out of date comment in there as well as accidentally changing
the type of the function.

Fix the commit 54489cd46a3a268ed981c681726c6d690883f076

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoARM: S3C64XX: Remove duplicate s3c_dma_has_circular() definition for S3C64xx.
Maurus Cuelenaere [Wed, 4 Nov 2009 12:13:29 +0000 (13:13 +0100)]
ARM: S3C64XX: Remove duplicate s3c_dma_has_circular() definition for S3C64xx.

This patch removes the duplicated s3c_dma_has_circular() definition and so fixes
compilation for S3C64xx.

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoARM: SMDK6410: Allocate more GPIO space for WM1190-EV1
Mark Brown [Tue, 3 Nov 2009 14:42:10 +0000 (14:42 +0000)]
ARM: SMDK6410: Allocate more GPIO space for WM1190-EV1

The WM835x has some GPIOs on it, allocate some space so we can use
them with gpiolib.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoARM: SMDK6410: Configure GPIO pull up for WM835x IRQ line
Mark Brown [Tue, 3 Nov 2009 14:42:04 +0000 (14:42 +0000)]
ARM: SMDK6410: Configure GPIO pull up for WM835x IRQ line

When used with the WM1190-EV1 board we can use the internal pull up
resistor of the CPU to provide the required pull for the IRQ line.
Without this interrupts from the WM835x don't work in the default
WM1190-EV1 hardwaer configuration.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agomtd/maps: Fix accidental removal in Makefile
Atsushi Nemoto [Mon, 9 Nov 2009 23:21:19 +0000 (23:21 +0000)]
mtd/maps: Fix accidental removal in Makefile

The commit d79c326 ("gpio-addr-flash: new driver for GPIO assisted
flash addressing") removed two lines from the Makefile by accident.
Though I'm not sure how this accident happened, this patch reverts the
removal.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoALSA: hda: Use model=auto quirk for Sony VAIO VGN-FW170J using ALC262
Daniel T Chen [Mon, 9 Nov 2009 00:03:55 +0000 (19:03 -0500)]
ALSA: hda: Use model=auto quirk for Sony VAIO VGN-FW170J using ALC262

BugLink: https://bugs.launchpad.net/bugs/478309
The internal microphone on this VAIO model does not work unless the
"auto" quirk is used.

Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
15 years agoMerge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvar...
Linus Torvalds [Mon, 9 Nov 2009 17:58:31 +0000 (09:58 -0800)]
Merge branch 'i2c-for-linus' of git://git./linux/kernel/git/jdelvare/staging

* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  i2c: Add an interface to lock/unlock an I2C bus segment
  i2c-piix4: Modify code name SB900 to Hudson-2

15 years agoMerge branch 'for-linus' of git://neil.brown.name/md
Linus Torvalds [Mon, 9 Nov 2009 17:57:02 +0000 (09:57 -0800)]
Merge branch 'for-linus' of git://neil.brown.name/md

* 'for-linus' of git://neil.brown.name/md:
  md/raid5: make sure curr_sync_completes is uptodate when reshape starts
  md: don't clear endpoint for resync when resync is interrupted.

15 years agoksm: cond_resched in unstable tree
Hugh Dickins [Mon, 9 Nov 2009 15:58:23 +0000 (15:58 +0000)]
ksm: cond_resched in unstable tree

KSM needs a cond_resched() for CONFIG_PREEMPT_NONE, in its unbounded
search of the unstable tree.  The stable tree cases already have one,
and originally there was one down inside get_user_pages();
but I missed it when I converted to follow_page() instead.

Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Acked-by: Izik Eidus <ieidus@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke...
Linus Torvalds [Mon, 9 Nov 2009 17:52:55 +0000 (09:52 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/ryusuke/nilfs2

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
  nilfs2: fix missing cleanup of gc cache on error cases
  nilfs2: fix kernel oops in error case of nilfs_ioctl_move_blocks

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Mon, 9 Nov 2009 17:51:42 +0000 (09:51 -0800)]
Merge git://git./linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (34 commits)
  net/fsl_pq_mdio: add module license GPL
  can: fix WARN_ON dump in net/core/rtnetlink.c:rtmsg_ifinfo()
  can: should not use __dev_get_by_index() without locks
  hisax: remove bad udelay call to fix build error on ARM
  ipip: Fix handling of DF packets when pmtudisc is OFF
  qlge: Set PCIe reset type for EEH to fundamental.
  qlge: Fix early exit from mbox cmd complete wait.
  ixgbe: fix traffic hangs on Tx with ioatdma loaded
  ixgbe: Fix checking TFCS register for TXOFF status when DCB is enabled
  ixgbe: Fix gso_max_size for 82599 when DCB is enabled
  macsonic: fix crash on PowerBook 520
  NET: cassini, fix lock imbalance
  ems_usb: Fix byte order issues on big endian machines
  be2net: Bug fix to send config commands to hardware after netdev_register
  be2net: fix to set proper flow control on resume
  netfilter: xt_connlimit: fix regression caused by zero family value
  rt2x00: Don't queue ieee80211 work after USB removal
  Revert "ipw2200: fix oops on missing firmware"
  decnet: netdevice refcount leak
  netfilter: nf_nat: fix NAT issue in 2.6.30.4+
  ...

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
Linus Torvalds [Mon, 9 Nov 2009 17:51:15 +0000 (09:51 -0800)]
Merge git://git./linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc: Move of_set_property_mutex acquisition outside of devtree_lock grab.
  sparc64: replace parentheses in pmul()
  sparc64: Add a comment about why we only use certain memory barriers these days.

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6
Linus Torvalds [Mon, 9 Nov 2009 17:50:55 +0000 (09:50 -0800)]
Merge git://git./linux/kernel/git/davem/ide-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6:
  Revert "ide: try to use PIO Mode 0 during probe if possible"

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Mon, 9 Nov 2009 17:50:15 +0000 (09:50 -0800)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: don't use CIFSGetSrvInodeNumber in is_path_accessible
  cifs: clean up handling when server doesn't consistently support inode numbers

15 years agoMerge branch 'sh/for-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal...
Linus Torvalds [Mon, 9 Nov 2009 17:49:58 +0000 (09:49 -0800)]
Merge branch 'sh/for-2.6.32' of git://git./linux/kernel/git/lethal/sh-2.6

* 'sh/for-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: Replace old style lock initializer
  sh: Account for cache aliases in flush_icache_range()
  sh: unwinder: Fix up invalid PC refetch in dwarf unwinder.
  serial: sh-sci: disable callback typo fix

15 years agoMerge branch 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev
Linus Torvalds [Mon, 9 Nov 2009 17:47:21 +0000 (09:47 -0800)]
Merge branch 'for-linus' of git://linux-m32r.org/git/takata/linux-2.6_dev

* 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev:
  m32r: fix arch/m32r/boot/compressed/Makefile

15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Mon, 9 Nov 2009 17:30:14 +0000 (09:30 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: snd-aica: declare MODULE_FIRMWARE
  ALSA: hda - Don't initialize CORB/RIRB for single_cmd mode
  ALSA: usb-audio: fix combine_word problem
  sound: Replace old style lock initializer
  ASoC: S3C64XX I2S: Enable audio-bus clock
  ASoC: OMAP: Don't try to set unsupported OMAP_DMA_DATA_BURST_16 on OMAP1
  ALSA: hda, move hp_bseries_system
  sound: Use KERN_WARNING instead of KERN_WARN, which does not exist
  ALSA: intel8x0: Mute External Amplifier by default for another Sony model
  ALSA: hda - Add OLPC XO-1.5 PCI ID
  ALSA: hda - Enable GPIO control for mute LED on HP systems

15 years agoMerge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
Linus Torvalds [Mon, 9 Nov 2009 17:28:42 +0000 (09:28 -0800)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI: sleep: another HP/Compaq DMI entries for init_set_sci_en_on_resume
  ACPI: add DMI entry for SCI_EN resume quirk on HP dv4
  thermal: sysfs-api.txt - document passive attribute for thermal zones
  thermal: sysfs-api.txt - reformat for improved readability
  acpi: thermal: Add EOL to the trip_point_N_type strings
  ACPI: Move dereference after NULL test
  ACPICA: avoid "Info: mapping multiple BARs. Your kernel is fine."
  ACPI: add __cpuinit to acpi_processor_add()
  acpi-power-meter: Don't leak ACPI error codes to userspace
  eeepc-laptop: don't enable camera at startup if it's already on.
  Revert "eeepc-laptop: Prevent a panic when disabling RT2860 wireless when associated"
  ACPI: clean up video.c boundary checks and types

15 years agosh: Replace old style lock initializer
Thomas Gleixner [Fri, 6 Nov 2009 22:42:05 +0000 (22:42 +0000)]
sh: Replace old style lock initializer

SPIN_LOCK_UNLOCKED is deprecated. Use __SPIN_LOCK_UNLOCKED instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
15 years agosh: Account for cache aliases in flush_icache_range()
Matt Fleming [Thu, 5 Nov 2009 23:14:39 +0000 (23:14 +0000)]
sh: Account for cache aliases in flush_icache_range()

The icache may also contain aliases so we must account for them just
like we do when manipulating the dcache. We usually get away with
aliases in the icache because the instructions that are read from memory
are read-only, i.e. they never change. However, the place where this
bites us is when the code has been modified.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
15 years agosparc: Move of_set_property_mutex acquisition outside of devtree_lock grab.
David S. Miller [Mon, 9 Nov 2009 01:41:20 +0000 (17:41 -0800)]
sparc: Move of_set_property_mutex acquisition outside of devtree_lock grab.

Otherwise we try to sleep with preemption disabled, etc.

Noticed by Thomas Gleixner.

Signed-off-by: David S. Miller <davem@davemloft.net>