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
...
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
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
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
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
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
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
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
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
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
...
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>
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>
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>
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>
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>
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>
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
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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
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.
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>
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
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+
...
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.
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"
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
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
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
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
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
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>
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>
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>
Hirokazu Takata [Sun, 8 Nov 2009 23:51:35 +0000 (08:51 +0900)]
m32r: fix arch/m32r/boot/compressed/Makefile
- Fix a comment string
- Fix a typo of $(suffix-y)
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Theodore Ts'o [Sun, 8 Nov 2009 20:45:44 +0000 (15:45 -0500)]
ext4: partial revert to fix double brelse WARNING()
This is a partial revert of commit
6487a9d (only the changes made to
fs/ext4/namei.c), since it is causing the following brelse()
double-free warning when running fsstress on a file system with 1k
blocksize and we run into a block allocation failure while converting
a single-block directory to a multi-block hash-tree indexed directory.
WARNING: at fs/buffer.c:1197 __brelse+0x2e/0x33()
Hardware name:
VFS: brelse: Trying to free free buffer
Modules linked in:
Pid: 2226, comm: jbd2/sdd-8 Not tainted
2.6.32-rc6-00577-g0003f55 #101
Call Trace:
[<
c01587fb>] warn_slowpath_common+0x65/0x95
[<
c0158869>] warn_slowpath_fmt+0x29/0x2c
[<
c021168e>] __brelse+0x2e/0x33
[<
c0288a9f>] jbd2_journal_refile_buffer+0x67/0x6c
[<
c028a9ed>] jbd2_journal_commit_transaction+0x319/0x14d8
[<
c0164d73>] ? try_to_del_timer_sync+0x58/0x60
[<
c0175bcc>] ? sched_clock_cpu+0x12a/0x13e
[<
c017f6b4>] ? trace_hardirqs_off+0xb/0xd
[<
c0175c1f>] ? cpu_clock+0x3f/0x5b
[<
c017f6ec>] ? lock_release_holdtime+0x36/0x137
[<
c0664ad0>] ? _spin_unlock_irqrestore+0x44/0x51
[<
c0180af3>] ? trace_hardirqs_on_caller+0x103/0x124
[<
c0180b1f>] ? trace_hardirqs_on+0xb/0xd
[<
c0164d73>] ? try_to_del_timer_sync+0x58/0x60
[<
c0290d1c>] kjournald2+0x11a/0x310
[<
c017118e>] ? autoremove_wake_function+0x0/0x38
[<
c0290c02>] ? kjournald2+0x0/0x310
[<
c0170ee6>] kthread+0x66/0x6b
[<
c0170e80>] ? kthread+0x0/0x6b
[<
c01251b3>] kernel_thread_helper+0x7/0x10
---[ end trace
5579351b86af61e3 ]---
Commit
6487a9d was an attempt some buffer head leaks in an ENOSPC
error path, but in some cases it actually results in an excess ENOSPC,
as shown above. Fixing this means cleaning up who is responsible for
releasing the buffer heads from the callee to the caller of
add_dirent_to_buf().
Since that's a relatively complex change, and we're late in the rcX
development cycle, I'm reverting this now, and holding back a more
complete fix until after 2.6.32 ships. We've lived with this
buffer_head leak on ENOSPC in ext3 and ext4 for a very long time; a
few more months won't kill us.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Curt Wohlgemuth <curtw@google.com>
Pekka Enberg [Sun, 8 Nov 2009 16:01:06 +0000 (18:01 +0200)]
perf tools: Fix permission checks
The perf_event_open() system call returns EACCES if the user is
not root which results in a very confusing error message:
$ perf record -A -a -f
Error: perfcounter syscall returned with -1 (Permission denied)
Fatal: No CONFIG_PERF_EVENTS=y kernel support configured?
It turns out that's because perf tools are checking only for
EPERM. Fix that up to get a much better error message:
$ perf record -A -a -f
Fatal: Permission error - are you root?
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <
1257696066-4046-1-git-send-email-penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cyrill Gorcunov [Mon, 26 Oct 2009 19:24:14 +0000 (22:24 +0300)]
sched: Use root_task_group_empty only with FAIR_GROUP_SCHED
root_task_group_empty is used only with FAIR_GROUP_SCHED
so if we use other scheduler options we get:
kernel/sched.c:314: warning: 'root_task_group_empty' defined but not used
So move CONFIG_FAIR_GROUP_SCHED up that it covers
root_task_group_empty().
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <
20091026192414.GB5321@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Xiaotian Feng [Thu, 5 Nov 2009 02:43:51 +0000 (10:43 +0800)]
x86: Fix error return sequence in __ioremap_caller()
kernel missed to free memtype if get_vm_area_caller failed in
__ioremap_caller.
This patch introduces error path to fix this and cleans up the
repetitive error return sequences that contributed to the
creation of the bug.
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
LKML-Reference: <
1257389031-20429-1-git-send-email-dfeng@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Randy Dunlap [Fri, 6 Nov 2009 23:31:08 +0000 (15:31 -0800)]
sched: Fix kernel-doc function parameter name
Fix variable name in sched.c kernel-doc notation.
Fixes this DocBook warning:
Warning(kernel/sched.c:2008): No description found for parameter
'p' Warning(kernel/sched.c:2008): Excess function parameter 'k'
description in 'kthread_bind'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
LKML-Reference: <
4AF4B1BC.
8020604@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ryusuke Konishi [Sun, 8 Nov 2009 03:09:24 +0000 (12:09 +0900)]
nilfs2: fix missing cleanup of gc cache on error cases
This fixes an -rc1 regression brought by the commit:
1cf58fa840472ec7df6bf2312885949ebb308853 ("nilfs2: shorten freeze
period due to GC in write operation v3").
Although the patch moved out a function call of
nilfs_ioctl_move_blocks() to nilfs_ioctl_clean_segments() from
nilfs_ioctl_prepare_clean_segments(), it didn't move corresponding
cleanup job needed for the error case.
This will move the missing cleanup job to the destination function.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Acked-by: Jiro SEKIBA <jir@unicus.jp>
Ryusuke Konishi [Sat, 7 Nov 2009 09:45:16 +0000 (18:45 +0900)]
nilfs2: fix kernel oops in error case of nilfs_ioctl_move_blocks
This fixes a kernel oops reported by Markus Trippelsdorf in the email
titled "[NILFS users] kernel Oops while running nilfs_cleanerd".
The oops was caused by a bug of error path in
nilfs_ioctl_move_blocks() function, which was inlined in
nilfs_ioctl_clean_segments().
nilfs_ioctl_move_blocks checks duplication of blocks which will be
moved in garbage collection. But, the check should have be done
within nilfs_ioctl_move_inode_block() to prevent list corruption among
buffers storing the target blocks.
To fix the kernel oops, this moves forward the duplication check
before the list insertion.
I also tested this for stable trees [2.6.30, 2.6.31].
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: stable <stable@kernel.org>
Sebastian Siewior [Fri, 6 Nov 2009 08:50:28 +0000 (08:50 +0000)]
net/fsl_pq_mdio: add module license GPL
or it will taint the kernel and fail to load becuase
of_address_to_resource() is GPL only.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Wolfgang Grandegger [Fri, 6 Nov 2009 23:53:13 +0000 (23:53 +0000)]
can: fix WARN_ON dump in net/core/rtnetlink.c:rtmsg_ifinfo()
On older kernels, e.g. 2.6.27, a WARN_ON dump in rtmsg_ifinfo()
is thrown when the CAN device is registered due to insufficient
skb space, as reported by various users. This patch adds the
rtnl_link_ops "get_size" to fix the problem. I think this patch
is required for more recent kernels as well, even if no WARN_ON
dumps are triggered. Maybe we also need "get_xstats_size" for
the CAN xstats.
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Fri, 6 Nov 2009 00:23:01 +0000 (00:23 +0000)]
can: should not use __dev_get_by_index() without locks
bcm_proc_getifname() is called with RTNL and dev_base_lock
not held. It calls __dev_get_by_index() without locks, and
this is illegal (might crash)
Close the race by holding dev_base_lock and copying dev->name
in the protected section.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Roel Kluin [Sun, 8 Nov 2009 08:26:56 +0000 (00:26 -0800)]
sparc64: replace parentheses in pmul()
`>>' has a higher precedence than `?' so src2 evaluated to
either 16 or 0 dependent on the bits set in rs2.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Takashi Iwai [Sun, 8 Nov 2009 08:16:15 +0000 (09:16 +0100)]
Merge branch 'fix/hda' into for-linus
Takashi Iwai [Sun, 8 Nov 2009 08:16:06 +0000 (09:16 +0100)]
Merge branch 'fix/misc' into for-linus
Ben Hutchings [Sat, 7 Nov 2009 22:13:39 +0000 (22:13 +0000)]
ALSA: snd-aica: declare MODULE_FIRMWARE
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Yong Zhang [Sat, 7 Nov 2009 03:16:13 +0000 (11:16 +0800)]
genirq: try_one_irq() must be called with irq disabled
Prarit reported:
=================================
[ INFO: inconsistent lock state ]
2.6.32-rc5 #1
---------------------------------
inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
swapper/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
(&irq_desc_lock_class){?.-...}, at: [<
ffffffff810c264e>] try_one_irq+0x32/0x138
{IN-HARDIRQ-W} state was registered at:
[<
ffffffff81095160>] __lock_acquire+0x2fc/0xd5d
[<
ffffffff81095cb4>] lock_acquire+0xf3/0x12d
[<
ffffffff814cdadd>] _spin_lock+0x40/0x89
[<
ffffffff810c3389>] handle_level_irq+0x30/0x105
[<
ffffffff81014e0e>] handle_irq+0x95/0xb7
[<
ffffffff810141bd>] do_IRQ+0x6a/0xe0
[<
ffffffff81012813>] ret_from_intr+0x0/0x16
irq event stamp: 195096
hardirqs last enabled at (195096): [<
ffffffff814cd7f7>] _spin_unlock_irq+0x3a/0x5c
hardirqs last disabled at (195095): [<
ffffffff814cdbdd>] _spin_lock_irq+0x29/0x95
softirqs last enabled at (195088): [<
ffffffff81068c92>] __do_softirq+0x1c1/0x1ef
softirqs last disabled at (195093): [<
ffffffff8101304c>] call_softirq+0x1c/0x30
other info that might help us debug this:
1 lock held by swapper/0:
#0: (kernel/irq/spurious.c:21){+.-...}, at: [<
ffffffff81070cf2>]
run_timer_softirq+0x1a9/0x315
stack backtrace:
Pid: 0, comm: swapper Not tainted 2.6.32-rc5 #1
Call Trace:
<IRQ> [<
ffffffff81093e94>] valid_state+0x187/0x1ae
[<
ffffffff81093fe4>] mark_lock+0x129/0x253
[<
ffffffff810951d4>] __lock_acquire+0x370/0xd5d
[<
ffffffff81095cb4>] lock_acquire+0xf3/0x12d
[<
ffffffff814cdadd>] _spin_lock+0x40/0x89
[<
ffffffff810c264e>] try_one_irq+0x32/0x138
[<
ffffffff810c2795>] poll_all_shared_irqs+0x41/0x6d
[<
ffffffff810c27dd>] poll_spurious_irqs+0x1c/0x49
[<
ffffffff81070d82>] run_timer_softirq+0x239/0x315
[<
ffffffff81068bd3>] __do_softirq+0x102/0x1ef
[<
ffffffff8101304c>] call_softirq+0x1c/0x30
[<
ffffffff81014b65>] do_softirq+0x59/0xca
[<
ffffffff810686ad>] irq_exit+0x58/0xae
[<
ffffffff81029b84>] smp_apic_timer_interrupt+0x94/0xba
[<
ffffffff81012a33>] apic_timer_interrupt+0x13/0x20
The reason is that try_one_irq() is called from hardirq context with
interrupts disabled and from softirq context (poll_all_shared_irqs())
with interrupts enabled.
Disable interrupts before calling it from poll_all_shared_irqs().
Reported-and-tested-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
LKML-Reference: <
1257563773-4620-1-git-send-email-yong.zhang0@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Michael Krufky [Wed, 4 Nov 2009 17:23:57 +0000 (14:23 -0300)]
V4L/DVB (13314): saa7134: set ts_force_val for the Hauppauge WinTV HVR-1150
The Hauppauge WinTV HVR-1150 retail boards require the FORCE_TS_VALID bit
to be set in order to function properly. This change will work on the early
revisions on the board as well, but the final revision will not function
without this change.
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Michael Krufky [Wed, 4 Nov 2009 17:19:35 +0000 (14:19 -0300)]
V4L/DVB (13313): saa7134: add support for FORCE_TS_VALID mode for mpeg ts input
When FORCE_TS_VALID mode is enabled, the saa713x will accept MPEG TS input
without requiring TS_VALID set high. This is required for some new boards
to function properly, due to the hardware design implementation.
The configuration is toggled within the board setup configuration. Boards
that do not have this bit set will function as before with no change.
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Laurent Pinchart [Wed, 4 Nov 2009 16:11:10 +0000 (13:11 -0300)]
V4L/DVB (13311): uvcvideo: Fix compilation warning with 2.6.32 due to type mismatch with abs()
The abs() macro has changed in 2.6.32 and returns a long instead of an
int. Fix the driver to avoid compilation warnings.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Laurent Pinchart [Wed, 4 Nov 2009 14:09:12 +0000 (11:09 -0300)]
V4L/DVB (13309): uvcvideo: Ignore the FIX_BANDWIDTH for compressed video
The FIX_BANDWIDTH quirk tries to work around cameras requesting the
maximum bandwidth regardless of the image size by computing a bandwidth
estimate. This works only for uncompressed frames.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Jean Delvare [Wed, 4 Nov 2009 18:26:59 +0000 (15:26 -0300)]
V4L/DVB (13287): ce6230 - saa7164-cmd: Fix wrong sizeof
Which is why I have always preferred sizeof(struct foo) over
sizeof(var).
Cc: Antti Palosaari <crope@iki.fi>
Acked-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Jonathan Cameron [Wed, 4 Nov 2009 17:18:04 +0000 (14:18 -0300)]
V4L/DVB (13286): pxa-camera: Fix missing sched.h
Required for wakeup call.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Theodore Kilgore [Sun, 1 Nov 2009 15:59:42 +0000 (12:59 -0300)]
V4L/DVB (13264): gspca_mr97310a: Change vstart for CIF sensor type 1 cams
gspca_mr97310a: Change vstart for CIF sensor type 1 cams
This fixes the distortion at the end of the frame, and avoids the bad frame
dropping done because of this distortion, trippling the framerate!
Signed-off-by: Theodore Kilgore <kilgota@banach.math.auburn.edu>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Erik Andrén [Sat, 3 Oct 2009 13:01:41 +0000 (10:01 -0300)]
V4L/DVB (13257): gspca - m5602-s5k4aa: Add vflip for Fujitsu Amilo Xi 2528
Adds a vflip quirk for the Fujitsu Amilo Xi 2528. Thanks to Evgeny for the report.
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Erik Andrén [Sun, 27 Sep 2009 13:20:21 +0000 (10:20 -0300)]
V4L/DVB (13256): gspca - m5602-s5k4aa: Add another MSI GX700 vflip quirk
Adds another vflip quirk for the MSI GX700.
Thanks to John Katzmaier for reporting.
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Erik Andrén [Sun, 27 Sep 2009 13:11:43 +0000 (10:11 -0300)]
V4L/DVB (13255): gspca - m5602-s5k4aa: Add vflip quirk for the Bruneinit laptop
Adds a vflip quirk for the Bruneinit laptop. Thanks to Jörg for the report
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Stefan Richter [Sat, 17 Oct 2009 20:46:25 +0000 (17:46 -0300)]
V4L/DVB (13240): firedtv: fix regression: tuning fails due to bogus error return
Since 2.6.32(-rc1), DVB core checks the return value of
dvb_frontend_ops.set_frontend. Now it becomes apparent that firedtv
always returned a bogus value from its set_frontend method.
CC: stable@kernel.org
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Henrik Kurelid [Sat, 3 Oct 2009 08:37:58 +0000 (05:37 -0300)]
V4L/DVB (13237): firedtv: length field corrupt in ca2host if length>127
This solves a problem in firedtv that has become major for Swedish DVB-T
users the last month or so. It will most likely solve issues seen by
other users as well.
If the length of an AVC message is greater than 127, the length field
should be encoded in LV mode instead of V mode. V mode can only be used
if the length is 127 or less. This patch ensures that the CA_PMT
message is always encoded in LV mode so PMT message of greater lengths
can be supported.
Signed-off-by: Henrik Kurelid <henrik@kurelid.se>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Mike Isely [Wed, 23 Sep 2009 21:06:57 +0000 (18:06 -0300)]
V4L/DVB (13230): s2255drv: Don't conditionalize video buffer completion on waiting processes
The s2255 driver had logic which aborted processing of a video frame
if there was no process waiting on the video buffer in question. That
simply doesn't work when the application is doing things in an
asynchronous manner. If the application went to the trouble to queue
the buffer in the first place, then the driver should always attempt
to complete it - even if the application at that moment has its
attention turned elsewhere. Applications which always blocked waiting
for I/O on the capture device would not have been affected by this.
Applications which *mostly* blocked waiting for I/O on the capture
device probably only would have been somewhat affected (frame lossage,
at a rate which goes up as the application blocks less). Applications
which never blocked on the capture device (e.g. polling only) however
would never have been able to receive any video frames, since in that
case this "is anyone waiting on this?" check on the buffer never would
have evalutated true. This patch just deletes that harmful check
against the buffer's wait queue.
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: stable@kernel.org
Michael Krufky [Wed, 21 Oct 2009 21:27:29 +0000 (18:27 -0300)]
V4L/DVB (13202): smsusb: add autodetection support for three additional Hauppauge USB IDs
Add support for three new Hauppauge Device USB IDs:
2040:b900
2040:b910
2040:c000
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Devin Heitmueller [Thu, 15 Oct 2009 04:14:34 +0000 (01:14 -0300)]
V4L/DVB (13190): em28xx: fix panic that can occur when starting audio streaming
Because the counters were not reset when starting up streaming, they would
be reused from the previous run. This can result in cases such that when the
second instance of streaming starts up, the "cnt" variable in
em28xx_audio_isocirq() can end up being negative, resulting in attempting to
write to memory before the start of runtime->dma_area (as well as having a
negative number of bytes to copy).
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Mike Isely [Mon, 21 Sep 2009 15:42:22 +0000 (12:42 -0300)]
V4L/DVB (13170): bttv: Fix reversed polarity error when switching video standard
The bttv driver function which handles switching of the video standard
(set_tvnorm() in bttv-driver.c) includes a check which can optionally
also reset the cropping configuration to a default value. It is
"optional" based on a comparison of the cropcap parameters of the
previous vs the newly requested video standard. The comparison is
being done with a memcmp(), a function which only returns a true value
if the comparison actually fails.
This if-statement appears to have been written to assume wrong
memcmp() semantics. That is, it was re-initializing the cropping
configuration only if the new video standard did NOT have different
cropcap values. That doesn't make any sense. One definitely should
reset things if the cropcap parameters are different - if there's any
comparison to made at all.
The effect of this problem was that a transition from, say, PAL to
NTSC would leave in place old cropping setup that made sense for the
PAL geometry but not for NTSC. If the application doesn't care about
cropping it also won't try to reset the cropping configuration,
resulting in an improperly cropped video frame. In the case I was
testing this actually caused black video frames to be displayed.
Another interesting effect of this bug is that if one does something
which does NOT change the video standard and this function is run,
then the cropping setup gets reset anyway - again because of the
backwards comparison. It turns out that just running anything which
merely opens and closes the video device node (e.g. v4l-info) will
cause this to happen. One can argue that simply opening the device
node and not doing anything to it should not mess with any of its
state - but because of this behavior, any TV app which does such
things (e.g. xawtv) probably therefore doesn't see the problem.
The solution is to fix the sense of the if-statement. It's easy to
see how this mistake could have been made given how memcmp() works.
The patch is therefore removal of a single "!" character from the
if-statement in set_tvnorm in bttv-driver.c.
Signed-off-by: Mike Isely <isely@pobox.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Mike Isely [Mon, 21 Sep 2009 15:09:08 +0000 (12:09 -0300)]
V4L/DVB (13169): bttv: Fix potential out-of-order field processing
There is a subtle interaction in the bttv driver which can result in
fields being repeatedly processed out of order. This is a problem
specifically when running in V4L2_FIELD_ALTERNATE mode (probably the
most common case).
1. The determination of which fields are associated with which buffers
happens in videobuf, before the bttv driver gets a chance to queue the
corresponding DMA. Thus by the point when the DMA is queued for a
given buffer, the algorithm has to do the queuing based on the
buffer's already assigned field type - not based on which field is
"next" in the video stream.
2. The driver normally tries to queue both the top and bottom fields
at the same time (see bttv_irq_next_video()). It tries to sort out
top vs bottom by looking at the field type for the next 2 available
buffers and assigning them appropriately.
3. However the bttv driver *always* actually processes the top field
first. There's even an interrupt set aside for specifically
recognizing when the top field has been processed so that it can be
marked done even while the bottom field is still being DMAed.
Given all of the above, if one gets into a situation where
bttv_irq_next_video() gets entered when the first available buffer has
been pre-associated as a bottom field, then the function is going to
process the buffers out of order. That first available buffer will be
put into the bottom field slot and the buffer after that will be put
into the top field slot. Problem is, since the top field is always
processed first by the driver, then that second buffer (the one after
the first available buffer) will be the first one to be finished.
Because of the strict fifo handling of all video buffers, then that
top field won't be seen by the app until after the bottom field is
also processed. Worse still, the app will get back the
chronologically later bottom field first, *before* the top field is
received. The buffer's timestamps will even be backwards.
While not fatal to most TV apps, this behavior can subtlely degrade
userspace deinterlacing (probably will cause jitter). That's probably
why it has gone unnoticed. But it will also cause serious problems if
the app in question discards all but the latest received buffer (a
latency minimizing tactic) - causing one field to only ever be
displayed since the other is now always late. Unfortunately once you
get into this state, you're stuck this way - because having consumed
two buffers, now the next time around the "first" available buffer
will again be a bottom field and the same thing happens.
How can we get into this state? In a perfect world, where there's
always a few free buffers queued to the driver, it should be
impossible. However if something disrupts streaming, e.g. if the
userspace app can't queue free buffers fast enough for a moment due
perhaps to a CPU scheduling glitch, then the driver can get
momentarily starved and some number of fields will be dropped. That's
OK. But if an odd number of fields get dropped, then that "first"
available buffer might be the bottom field and now we're stuck...
This patch fixes that problem by deliberately only setting up a single
field for one frame if we don't get a top field as the first available
buffer. By purposely skipping the other field, then we only handle a
single buffer thus bringing things back into proper sync (i.e. top
field first) for the next frame. To do this we just drop the few
lines in bttv_irq_next_video() that attempt to set up the second
buffer when that second buffer isn't for the bottom field.
This is definitely a problem in when in V4L2_FIELD_ALTERNATE mode. In
the other modes this change either has no effect or doesn't harm
things any further anyway.
Signed-off-by: Mike Isely <isely@pobox.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
HIRANO Takahito [Sun, 20 Sep 2009 11:57:49 +0000 (08:57 -0300)]
V4L/DVB (13167): pt1: Fix a compile error on arm
The lack of #include <linux/vmalloc.h> caused a compile error on some
architectures.
Signed-off-by: HIRANO Takahito <hiranotaka@zng.info>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Guennadi Liakhovetski [Mon, 5 Oct 2009 15:54:54 +0000 (12:54 -0300)]
V4L/DVB (13132): fix use-after-free Oops, resulting from a driver-core API change
Commit
b4028437876866aba4747a655ede00f892089e14 has broken again re-use of
device objects across device_register() / device_unregister() cycles. Fix
soc-camera by nullifying the struct after device_unregister().
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Guennadi Liakhovetski [Mon, 5 Oct 2009 15:54:34 +0000 (12:54 -0300)]
V4L/DVB (13131): pxa_camera: fix camera pixel format configuration
A missed conversion prevents correct pixel format negotiation with client
drivers.
Reported-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Guennadi Liakhovetski [Mon, 5 Oct 2009 15:51:47 +0000 (12:51 -0300)]
V4L/DVB (13129): sh_mobile_ceu_camera: fix cropping for scaling clients
Fix a bug in cropping calculation, when the client is also scaling the image.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Hans de Goede [Sun, 4 Oct 2009 17:04:47 +0000 (14:04 -0300)]
V4L/DVB (13122): gscpa - stv06xx + ov518: dont discard every other frame
When we call gspca_frame_add, it returns a pointer to the frame passed in,
unless we call it with LAST_PACKET, when it will return a pointer to a
new frame in which to store the frame data for the next frame.
The frame pointer was not updated in stv06xx and ov518.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Seth Barry [Sun, 27 Sep 2009 19:42:29 +0000 (16:42 -0300)]
V4L/DVB (13109): tda18271: fix signedness issue in tda18271_rf_tracking_filters_init
While having tda18271 module set with debug=17 (cal & info prints) and
cal=0 (delay calibration process until first use) - I discovered that
during the calibration process, if the frequency test for
69750000
returned a bcal of 0 (see tda18721-fe.c in tda18271_powerscan func) that
the tuner wouldn't be able to pickup any of the frequencies in the range
(all the other frequencies bands returned bcal=1). I spent some time
going over the code and the NXP's tda18271 spec (ver.4 of it i think) and
adding a lot of debug prints and walking/stepping through the calibration
process. I found that when the powerscan fails to find a frequency, the
rf calibration is not run and the default value is supposed to be used in
its place (pulled from the RF_CAL_map table) - but something was getting
goofed up there.
Now, my c coding skills are very rusty, but i think root of the problem is
a signedness issue with the math operation for calculating the rf_a1 and
rf_a2 values in tda18271_rf_tracking_filters_init func, which results in
values like 20648 for rf_a1 (when it should probably have a value like 0,
or so slightly negative that it should be zero - this bad value for rf_a1
would in turn makes the approx calc within
tda18271c2_rf_tracking_filters_correction go out of whack). The simplest
solution i found was to explicitly convert the signedness of the
denominator to avoid the implicit conversion. The values placed into the
u32 rf_freq array should never exceed about 900mhz, so i think the s32 max
value shouldn't be an issue in this case.
I've tested it out a little, and even when i get a bcal=0 with the
modified code, the default calibration value gets used, rf_a1 is zero, and
the tuner seems to lock on the stream and mythtv seems to play it fine.
Signed-off-by: Seth Barry <seth@cyberseth.com>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Michael Krufky [Sun, 27 Sep 2009 17:05:12 +0000 (14:05 -0300)]
V4L/DVB (13107): tda18271: fix overflow in FM radio frequency calculation
Multiplication by 62500 causes an overflow in the 32 bit freq variable,
which is later divided by 1000 when using FM radio.
This patch prevents the overflow by scaling the frequency value correctly
upfront. Thanks to Henk Vergonet for spotting the problem and providing
a preliminary patch, which this changeset was based upon.
Cc: Henk Vergonet <Henk.Vergonet@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Martin Samek [Thu, 1 Oct 2009 01:59:09 +0000 (22:59 -0300)]
V4L/DVB (13079): dib0700: fixed xc2028 firmware loading kernel oops
Fixing kernel oops when driver attemps to load xc2028 firmware.
Note by djh: the patch contribute by Martin is a port of a fix I made during
the PCTV 340e development. It's a temporary workaround that fixes a regression
(an OOPS condition) and the real fix should be in the code that manages the
i2c master on the dib7000p. But this fix does address the immmediate
regression and should be merged upstream until we do a cleaner fix.
Signed-off-by: Martin Samek <martin@marsark.sytes.net>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Patrick Boettcher [Sat, 19 Sep 2009 08:24:40 +0000 (05:24 -0300)]
V4L/DVB (13050): DIB0700: fix-up USB device ID for Terratec/Leadtek
git commit
db48138f6bc4d2b613b08731ffc8b319432ebc25 changed by accident the
assignment of certain USB IDs to their device-specific-handlers.
Thanks to Edward Sheldrake for finding this regression
Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Michael Krufky [Sun, 27 Sep 2009 22:11:34 +0000 (19:11 -0300)]
V4L/DVB (13048): dib0070: fix build dependency when driver is disabled
Fix build dependency on function, dib0070_ctrl_agc_filter
[mchehab@redhat.com: reverted the quick workaround
3f48258e50ef4]
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Jean Delvare [Sat, 7 Nov 2009 12:10:46 +0000 (13:10 +0100)]
i2c: Add an interface to lock/unlock an I2C bus segment
Some drivers need to be able to prevent access to an I2C bus segment
for a specific period of time. Add an interface for them to do so
without twiddling with i2c-core internals.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Crane Cai [Sat, 7 Nov 2009 12:10:46 +0000 (13:10 +0100)]
i2c-piix4: Modify code name SB900 to Hudson-2
Change SB900 to its formal code name Hudson-2.
Signed-off-by: Crane Cai <crane.cai@amd.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Takashi Iwai [Sat, 7 Nov 2009 08:49:04 +0000 (09:49 +0100)]
ALSA: hda - Don't initialize CORB/RIRB for single_cmd mode
So far, CORB/RIRB still remains even if the driver is switched to the
single_cmd mode. The specification says that this should be disabled,
but I hoped this isn't the case; indeed most devices worked together with
CORB/RIRB.
However, Poulsbo (US15W) seems problematic with this setup, and it
requires to disable CORB/RIRB when single_cmd is used.
Now this patch disables CORB/RIRB initialization when the single_cmd
mode is used. Also the unsolicited event is disabled because it can't
work without RIRB.
Reported-and-tested-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Julian Anastasov [Fri, 6 Nov 2009 21:44:53 +0000 (23:44 +0200)]
ALSA: usb-audio: fix combine_word problem
Fix combine_word problem where first octet is not
read properly. The only affected place seems to be the
INPUT_TERMINAL type. Before now, sound controls can be created
with the output terminal's name which is a fallback mechanism
used only for unknown input terminal types. For example,
Line can wrongly appear as Speaker. After the change it
should appear as Line.
The side effect of this change can be that users
can expect the wrong control name in their scripts or
programs while now we return the correct one.
Probably, these defines should use get_unaligned_le16 and
friends.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Thomas Gleixner [Fri, 6 Nov 2009 22:41:29 +0000 (22:41 +0000)]
sound: Replace old style lock initializer
SPIN_LOCK_UNLOCKED is deprecated. Use __SPIN_LOCK_UNLOCKED instead.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Martin Michlmayr [Fri, 6 Nov 2009 14:52:34 +0000 (14:52 +0000)]
hisax: remove bad udelay call to fix build error on ARM
The hisax ISDN driver fails to build on ARM with CONFIG_HISAX_ELSA:
| drivers/built-in.o: In function `modem_set_dial':
| drivers/isdn/hisax/elsa_ser.c:535: undefined reference to `__bad_udelay'
| drivers/isdn/hisax/elsa_ser.c:544: undefined reference to `__bad_udelay'
| drivers/built-in.o: In function `modem_set_init':
| drivers/isdn/hisax/elsa_ser.c:486: undefined reference to `__bad_udelay'
| [...]
According to the comment in arch/arm/include/asm/delay.h, __bad_udelay
is specifically designed on ARM to produce a build failure when udelay
is called with a value > 2000.
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Fri, 6 Nov 2009 10:37:41 +0000 (10:37 +0000)]
ipip: Fix handling of DF packets when pmtudisc is OFF
RFC 2003 requires the outer header to have DF set if DF is set
on the inner header, even when PMTU discovery is off for the
tunnel. Our implementation does exactly that.
For this to work properly the IPIP gateway also needs to engate
in PMTU when the inner DF bit is set. As otherwise the original
host would not be able to carry out its PMTU successfully since
part of the path is only visible to the gateway.
Unfortunately when the tunnel PMTU discovery setting is off, we
do not collect the necessary soft state, resulting in blackholes
when the original host tries to perform PMTU discovery.
This problem is not reproducible on the IPIP gateway itself as
the inner packet usually has skb->local_df set. This is not
correctly cleared (an unrelated bug) when the packet passes
through the tunnel, which allows fragmentation to occur. For
hosts behind the IPIP gateway it is readily visible with a simple
ping.
This patch fixes the problem by performing PMTU discovery for
all packets with the inner DF bit set, regardless of the PMTU
discovery setting on the tunnel itself.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ron Mercer [Fri, 6 Nov 2009 07:44:58 +0000 (07:44 +0000)]
qlge: Set PCIe reset type for EEH to fundamental.
This device requires a fundamental reset when recovering from EEH.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ron Mercer [Fri, 6 Nov 2009 07:44:57 +0000 (07:44 +0000)]
qlge: Fix early exit from mbox cmd complete wait.
This line was accidentally left out of the previous commit #
da03945140a035a2962f7f93e359085596f20499 ("qlge: Fix firmware mailbox
command timeout.").
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Don Skidmore [Fri, 6 Nov 2009 12:56:20 +0000 (12:56 +0000)]
ixgbe: fix traffic hangs on Tx with ioatdma loaded
When ioatdma was loaded we we were unable to transmit traffic. We weren't
using the correct registers in ixgbe_update_tx_dca for 82599 systems.
Likewise in ixgbe_configure_tx() we weren't disabling the arbiter before
modifying MTQC.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yi Zou [Fri, 6 Nov 2009 12:56:00 +0000 (12:56 +0000)]
ixgbe: Fix checking TFCS register for TXOFF status when DCB is enabled
When DCB is enabled, the ixgbe_check_tx_hang() should check the corresponding
TC's TXOFF in TFCS based on the TC that the tx ring belongs to. Adds a
function to map from the tx_ring hw reg_idx to the correspodning TC and read
TFCS accordingly.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yi Zou [Fri, 6 Nov 2009 12:55:38 +0000 (12:55 +0000)]
ixgbe: Fix gso_max_size for 82599 when DCB is enabled
The 32k gso_max_size when DCB is enabled is for 82598 only, not for 82599.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Finn Thain [Tue, 3 Nov 2009 03:42:40 +0000 (03:42 +0000)]
macsonic: fix crash on PowerBook 520
No-one seems to know where the PowerBook 500 series store their ethernet
MAC addresses. So, rather than crash, use a MAC address from the SONIC
CAM. Failing that, generate a random one.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Slaby [Thu, 5 Nov 2009 23:14:29 +0000 (23:14 +0000)]
NET: cassini, fix lock imbalance
Stanse found that one error path in cas_open omits to unlock pm_mutex.
Fix that.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sebastian Haas [Wed, 4 Nov 2009 05:48:33 +0000 (05:48 +0000)]
ems_usb: Fix byte order issues on big endian machines
CPC-USB is using a ARM7 core with little endian byte order. The "id" field
in can_msg needs byte order conversion from/to CPU byte order.
Signed-off-by: Sebastian Haas <haas@ems-wuensche.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
projects / openwrt / staging / blogic.git / log