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This patch implements h1940-specific set_power callback for
s3cmci driver, so card power can be disabled when card is not inserted
or before suspend. Without this patch PDA consumes power in suspend when
card is inserted.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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This patch adds gpiolib support for h1940 latch.
With this patch it's possible to use leds-gpio and uda1380
drivers (they require gpiolib support for appropriate pins).
And now it's possible to drop leds-h1940 driver.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: prevent merges of discard and write requests
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: sound/pci/rme9652: prevent reading uninitialized stack memory
ALSA: hda - Fix auto-parse of SPDIF input of Realtek codecs
ASoC: Fix multi-componentism
ASoC: Fix soc-cache buffer overflow bug
ALSA: oxygen: fix analog capture on Claro halo cards
ALSA: hda - Add Dell Latitude E6400 model quirk
ASoC: fix clkdev API usage in sh/migor.c
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Thomas Pollet noticed that the remap_file_pages() system call in
fremap.c has a potential overflow in the first part of the if statement
below, which could cause it to process bogus input parameters.
Specifically the pgoff + size parameters could be wrap thereby
preventing the system call from failing when it should.
Reported-by: Thomas Pollet <thomas.pollet@gmail.com>
Signed-off-by: Larry Woodman <lwoodman@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The SNDRV_HDSP_IOCTL_GET_CONFIG_INFO and
SNDRV_HDSP_IOCTL_GET_CONFIG_INFO ioctls in hdspm.c and hdsp.c allow
unprivileged users to read uninitialized kernel stack memory, because
several fields of the hdsp{m}_config_info structs declared on the stack
are not altered or zeroed before being copied back to the user. This
patch takes care of it.
Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add logic to prevent two I/O requests being merged if
only one of them is a discard. Ditto secure discard.
Without this fix, it is possible for write requests
to transform into discard requests. For example:
Submit bio 1 to discard 8 sectors from sector n
Submit bio 2 to write 8 sectors from sector n + 16
Submit bio 3 to write 8 sectors from sector n + 8
Bio 1 becomes request 1. Bio 2 becomes request 2.
Bio 3 is merged with request 2, and then subsequently
request 2 is merged with request 1 resulting in just
one I/O request which discards all 24 sectors.
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
(Moved the checks above the position checks /Jens)
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
x86/hwmon: pkgtemp has no dependency on PCI
MAINTAINERS: Update hwmon entry
x86/hwmon: register alternate sibling upon CPU removal
x86/hwmon: fix initialization of pkgtemp
x86/hwmon: fix initialization of coretemp
x86/hwmon: don't leak device attribute file from pkgtemp_probe() and pkgtemp_remove()
x86/hwmon: avoid deadlock on CPU removal in pkgtemp
x86/hwmon: fix module init for hotplug-but-no-device-found case
hwmon: (lis3) Fix Oops with NULL platform data
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
arch/tile: remove dead code from intvec_32.S
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This "bpt_code" instruction was killed off in our development line a while
ago (the actual definition of bpt_code that is used is in kernel/traps.c)
but I didn't push it for 2.6.36 because it seemed harmless and I didn't
want to try to push more than absolutely necessary.
However, we recently fixed a bug in our gcc that had been causing
"-gdwarf2" not to be passed to the assembler, and passing this flag causes
an erroneous assembler failure in the presence of code in a data section,
sometimes. While we'd like to track down the bug in the assembler,
we'd also like to make sure 2.6.36 builds with the current toolchain,
so I'm removing this dead code as well.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Thomas Pollet points out that the 'end' variable is broken. It was
computed based on start/size before they were page-aligned, and as such
doesn't actually match any of the other actions we take. The overflow
test on end was also redundant, since we had already tested it with the
properly aligned version.
So just get rid of it entirely. The one remaining use for that broken
variable can just use 'start+size' like all the other cases already did.
Reported-by: Thomas Pollet <thomas.pollet@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
o2dlm: force free mles during dlm exit
ocfs2: Sync inode flags with ext2.
ocfs2: Move 'wanted' into parens of ocfs2_resmap_resv_bits.
ocfs2: Use cpu_to_le16 for e_leaf_clusters in ocfs2_bg_discontig_add_extent.
ocfs2: update ctime when changing the file's permission by setfacl
ocfs2/net: fix uninitialized ret in o2net_send_message_vec()
Ocfs2: Handle empty list in lockres_seq_start() for dlmdebug.c
Ocfs2: Re-access the journal after ocfs2_insert_extent() in dxdir codes.
ocfs2: Fix lockdep warning in reflink.
ocfs2/lockdep: Move ip_xattr_sem out of ocfs2_xattr_get_nolock.
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: update Kconfig help text for CONFIG_USB_SUSPEND
usb: musb: gadget: restart request on clearing endpoint halt
usb: musb: host: Issue a memory barrier before starting DMA
usb: musb: gadget: fix dma length in txstate
usb: musb: gadget: complete request only if data is transfered over
usb: musb: gadget: fix DMA length for OUT transfer
usb: musb: gadget: enable autoclear for OUT transfer in both DMA 0 and DMA 1
usb: musb: gadget: fix bulk IN infinit hangs in double buffer case
usb: musb: gadget: fix kernel panic if using out ep with FIFO_TXRX style
USB: fix bug in initialization of interface minor numbers
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
Staging: ti-st: remove st_get_plat_device
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
vgaarb: trivial fix
drm: radeon cleanup fixes...
drm: fix trivial coding errors
drm: ttm sparse fixes.
drm/nouveau: fix panels using straps-based mode detection
drm/ttm: Clear the ghost cpu_writers flag on ttm_buffer_object_transfer.
drm/radeon: don't allow device to be opened if powered down
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It's a userland pointer; worse, an untrustable one since ptrace
has just provided a chance to modify it.
X-Roothole-Covering-Cabal: TINRCC
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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do_signal() should know about saved_mask for it to work...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Other than coretemp, from which this code was apparently derived, there
is no PCI specific code in this driver.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Just like pkgtemp registers another core of the same package when one
gets removed, coretemp should register another hyperthread (if
available) in that situation.
As pointed out in the patch fixing the respective code in pkgtemp, the
list protectng mutex must be dropped before calling
coretemp_device_add(), and due to the restructured loop (including an
explicit return) the "safe" variant of the list iterator isn't needed
anymore.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Feature availability should also be checked in the hotplug code path.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Using cpuid_eax() to determine feature availability on other than
the current CPU is invalid. And feature availability should also be
checked in the hotplug code path.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Rudolf Marek <r.marek@assembler.cz>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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pkgtemp_remove()
While apparently inherited from coretemp source, this particular error handling
cleanup and exit path wasn't copied properly (or perhaps got discarded
intermediately and not re-added properly later).
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
(added device file removal in pkgtemp_remove)
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pkgtemp_device_remove(), holding the list protecting mutex, calls
pkgtemp_device_add(), which itself wants to acquire the same mutex.
Holding the mutex over the entire loop body in pkgtemp_device_remove()
isn't really necessary, as long as the loop gets exited after
processing the matched CPU.
Once exiting the loop after removing an eventual match, there's no
need for using the "safe" list iterator anymore.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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In commit 0dca94baeab4a1a514841b0a4c8e3a51dfb4d5ae the call to
platform_driver_unregister() was made conditional upon !HOTPLUG_CPU,
but the return value from coretemp_init() was left to indicate an
error. This isn't correct, as the negative return value indicates to
the module loader that initialization failed, which isn't intended
here and results in dangling pointers.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Chen Gong <gong.chen@linux.intel.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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The recent addition of threaded irq handler causes a NULL dereference
when used with hp_accel driver, which has NULL pdata.
Acked-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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This patch (as1429) updates the Kconfig help text for
CONFIG_USB_SUSPEND. The power/level file is now deprecated; we should
tell people to use power/control instead.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Commit 46034dca515bc4ddca0399ae58106d1f5f0d809f (USB: musb_gadget_ep0: stop
abusing musb_gadget_set_halt()) forgot to restart a queued request after
clearing the endpoint halt feature. This results in a couple of USB resets
while enumerating the file-backed storage gadget due to CSW packet not being
sent for the MODE SENSE(10) command.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: stable@kernel.org
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the issue which was observed while transfering
a large file ( > 20MB) over USB (OMAP MUSB controller acts as USB host)
to an attached USB thumb drive.
It was found that CDB field of CBW packet was set to 0x0. This was
due to missing a barrier before DMA engine starts transfer.
This buffer is allocated using dma_alloc_coherent which gives
non-cacheble but bufferable memory and hence needed a write
memory barrier to flush the write buffer.
More info on this thread is here:
http://www.spinics.net/lists/linux-omap/msg33987.html
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Maulik Mankad <x0082077@ti.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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DMA length should not go beyond the availabe space
of request buffer, so fix it.
Also set max_len of cppi dma channel as max size of
int type, so make musb dma handling happier.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Complete the current request only if the data transfer is over.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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DMA length should not go beyond the availabe space of request buffer,
so fix it.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Anand Gadiyar <gadiyar@ti.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes one bugs of OUT transfer in double buffer case:
-the current code only enable autoclear for dma mode 1, and not
for dma mode 0
Without this patch, test #5 of usbtest can't be passed if we
configure musb as g_zero and use fifo mode 3 to enable double
buffer mode.
With this patch and the following patch(fix dma length),
on my beagle B5, test#5(queued bulk out) may go beyond
18Mbyte/s(seems dma mode 0 is quicker in double buffer case)
if musb is configured as g_zero and fifo mode 3 is taken, follows
the test command:
#./testusb -D DEV_NAME -c 1024 -t 5 -s 32768 -g 8 [1]
Also I have tested this patch can't make g_ether broken.
[1],source of testusb : tools/usb/testusb.c under linux kernel;
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes one infinite hang of bulk IN transfer in double buffer
case, the hang can be observed easily by test #6 of usbtest if musb is
configured as g_zero and fifo mode 3 is taken to enable double fifo.
In fact, the patch only removes the check for non-empty fifo before
loading data from new request into fifo since the check is not correct:
-in double buffer case, fifo may accommodate more than one packet,
even though it has contained one packet already and is non-empty
-since last DMA is completed before calling musb_g_tx, it is sure
that fifo may accommodate at least one packet
Without applying the patch, new requst enqueued from .complte may not
have a chance to be loaded into fifo, then will never be completed and
cause infinite hangs.
With the patch, on my beagle B5, test#6(queued bulk in) can be passed and
test result may go beyond 33Mbyte/s if musb is configured as g_zero and
fifo mode 3 is taken, follows the test command:
#testusb -D DEV_NAME -c 1024 -t 6 -s 32768 -g 8 [1]
[1],
-source of testusb : tools/usb/testusb.c under linux kernel;
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Anand Gadiyar <gadiyar@ti.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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For shared fifo hw endpoint(with FIFO_TXRX style), only ep_in
field of musb_hw_ep is intialized in musb_g_init_endpoints, and
ep_out is not initialized, but musb_g_rx and rxstate may access
ep_out field of musb_hw_ep by the method below:
musb_ep = &musb->endpoints[epnum].ep_out
which can cause the kernel panic[1] below, this patch fixes the issue
by getting 'musb_ep' from '&musb->endpoints[epnum].ep_in' for shared fifo
endpoint.
[1], kernel panic
[root@OMAP3EVM /]# musb_interrupt 1583: ** IRQ peripheral usb0008 tx0000 rx4000
musb_stage0_irq 460: <== Power=f0, DevCtl=99, int_usb=0x8
musb_g_rx 772: <== (null), rxcsr 4007 ffffffe8
musb_g_rx 786: iso overrun on ffffffe8
Unable to handle kernel NULL pointer dereference at virtual address 00000008
pgd = c0004000
[00000008] *pgd=00000000
Internal error: Oops: 17 [#1] PREEMPT
last sysfs file: /sys/devices/platform/musb_hdrc/usb1/usb_device/usbdev1.1/dev
Modules linked in: g_zero
CPU: 0 Tainted: G W (2.6.35-rc6-gkh-wl+ #92)
PC is at musb_g_rx+0xfc/0x2ec
LR is at vprintk+0x3f4/0x458
pc : [<c02c07a4>] lr : [<c006ccb0>] psr: 20000193
sp : c760bd78 ip : c03c9d70 fp : c760bdbc
r10: 00000000 r9 : fa0ab1e0 r8 : 0000000e
r7 : c7e80158 r6 : ffffffe8 r5 : 00000001 r4 : 00004003
r3 : 00010003 r2 : c760bcd8 r1 : c03cd030 r0 : 0000002e
Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c5387d Table: 8778c019 DAC: 00000017
Process kmemleak (pid: 421, stack limit = 0xc760a2e8)
Stack: (0xc760bd78 to 0xc760c000)
bd60: ffffffe8 c04b1b58
bd80: ffffffe8 c7c01ac0 00000000 c7e80d24 c0084238 00000001 00000001 c7e80158
bda0: 0000000e 00000008 00000099 000000f0 c760be04 c760bdc0 c02bcd68 c02c06b4
bdc0: 00000099 00000008 00004000 c760bdd8 c03cc4f8 00000000 00000002 c7e80158
bde0: c7d2e300 60000193 c760a000 0000005c 00000000 00000000 c760be24 c760be08
be00: c02bcecc c02bc1ac c7d2e300 c7d2e300 0000005c c760a000 c760be54 c760be28
be20: c00ad698 c02bce6c 00000000 c7d2e300 c067c258 0000005c c067c294 00000001
be40: c760a000 00000000 c760be74 c760be58 c00af984 c00ad5fc 0000005c 00000000
be60: 00000000 00000002 c760be8c c760be78 c0039080 c00af8d0 ffffffff fa200000
be80: c760beec c760be90 c0039b6c c003900c 00000001 00000000 c7d1e240 00000000
bea0: 00000000 c068bae8 00000000 60000013 00000001 00000000 00000000 c760beec
bec0: c0064ecc c760bed8 c00ff7d0 c003a0a8 60000013 ffffffff 00000000 c068bae8
bee0: c760bf24 c760bef0 c00ff7d0 c0064ec4 00000001 00000000 c00ff700 00000000
bf00: c0087f00 00000000 60000013 c0d76a70 c0e23795 00000001 c760bf4c c760bf28
bf20: c00ffdd8 c00ff70c c068bb08 c068bae8 60000013 c0100938 c068bb30 00000000
bf40: c760bf84 c760bf50 c010014c c00ffd84 00000001 00000000 c010000c 00012c00
bf60: c7c33f04 00012c00 c7c33f04 00000000 c0100938 00000000 c760bf9c c760bf88
bf80: c01009a8 c0100018 c760bfa8 c7c33f04 c760bff4 c760bfa0 c0088000 c0100944
bfa0: c760bf98 00000000 00000000 00000001 dead4ead ffffffff ffffffff c08ba2bc
bfc0: 00000000 c049e7fa 00000000 c0087f70 c760bfd0 c760bfd0 c7c33f04 c0087f70
bfe0: c006f5e8 00000013 00000000 c760bff8 c006f5e8 c0087f7c 7f0004ff df2000ff
Backtrace:
[<c02c06a8>] (musb_g_rx+0x0/0x2ec) from [<c02bcd68>] (musb_interrupt+0xbc8/0xcc0)
[<c02bc1a0>] (musb_interrupt+0x0/0xcc0) from [<c02bcecc>] (generic_interrupt+0x6c/0x84)
[<c02bce60>] (generic_interrupt+0x0/0x84) from [<c00ad698>] (handle_IRQ_event+0xa8/0x1ec)
r7:c760a000 r6:0000005c r5:c7d2e300 r4:c7d2e300
[<c00ad5f0>] (handle_IRQ_event+0x0/0x1ec) from [<c00af984>] (handle_level_irq+0xc0/0x13c)
[<c00af8c4>] (handle_level_irq+0x0/0x13c) from [<c0039080>] (asm_do_IRQ+0x80/0xa0)
r7:00000002 r6:00000000 r5:00000000 r4:0000005c
[<c0039000>] (asm_do_IRQ+0x0/0xa0) from [<c0039b6c>] (__irq_svc+0x4c/0xb4)
Exception stack(0xc760be90 to 0xc760bed8)
be80: 00000001 00000000 c7d1e240 00000000
bea0: 00000000 c068bae8 00000000 60000013 00000001 00000000 00000000 c760beec
bec0: c0064ecc c760bed8 c00ff7d0 c003a0a8 60000013 ffffffff
r5:fa200000 r4:ffffffff
[<c0064eb8>] (sub_preempt_count+0x0/0x100) from [<c00ff7d0>] (find_and_get_object+0xd0/0x110)
r5:c068bae8 r4:00000000
[<c00ff700>] (find_and_get_object+0x0/0x110) from [<c00ffdd8>] (scan_block+0x60/0x104)
r8:00000001 r7:c0e23795 r6:c0d76a70 r5:60000013 r4:00000000
[<c00ffd78>] (scan_block+0x0/0x104) from [<c010014c>] (kmemleak_scan+0x140/0x484)
[<c010000c>] (kmemleak_scan+0x0/0x484) from [<c01009a8>] (kmemleak_scan_thread+0x70/0xcc)
r8:00000000 r7:c0100938 r6:00000000 r5:c7c33f04 r4:00012c00
[<c0100938>] (kmemleak_scan_thread+0x0/0xcc) from [<c0088000>] (kthread+0x90/0x98)
r5:c7c33f04 r4:c760bfa8
[<c0087f70>] (kthread+0x0/0x98) from [<c006f5e8>] (do_exit+0x0/0x684)
r7:00000013 r6:c006f5e8 r5:c0087f70 r4:c7c33f04
Code: e3002312 e58d6000 e2833e16 eb0422d5 (e5963020)
---[ end trace f3d5e96f75c297b7 ]---
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Anand Gadiyar <gadiyar@ti.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Recent changes in the usbhid layer exposed a bug in usbcore. If
CONFIG_USB_DYNAMIC_MINORS is enabled then an interface may be assigned
a minor number of 0. However interfaces that aren't registered as USB
class devices also have their minor number set to 0, during
initialization. As a result usb_find_interface() may return the
wrong interface, leading to a crash.
This patch (as1418) fixes the problem by initializing every
interface's minor number to -1. It also cleans up the
usb_register_dev() function, which besides being somewhat awkwardly
written, does not unwind completely on all its error paths.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Philip J. Turmel <philip@turmel.org>
Tested-by: Gabriel Craciunescu <nix.or.die@googlemail.com>
Tested-by: Alex Riesen <raa.lkml@gmail.com>
Tested-by: Matthias Bayer <jackdachef@gmail.com>
CC: Jiri Kosina <jkosina@suse.cz>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In order to support multiple ST platform devices, a new symbol
'st_get_plat_device' earlier needed to be exported by the arch/XX/brd-XX.c
file which intends to add the ST platform device.
On removing this dependency, now inside ST driver maintain the array of
ST platform devices that would be registered.
As of now let id=0, as and when we end up having such platforms
where mutliple ST devices can exist, id would come from
protocol drivers (BT, FM and GPS) as to on which platform device
they want to register to.
Signed-off-by: Pavan Savoy <pavan_savoy@ti.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Anca Emanuel <anca.emanuel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The SPDIF in audio widget must be searched through the list as the widget
that contains the given pin as the connection source. The current code
was implemented in a reverse way.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Confirming page lock is held in hugetlb_add_anon_rmap() may be useful
to detect possible future problems.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The "if (!trylock_page)" block in the avoidcopy path of hugetlb_cow()
looks confusing and is buggy. Originally this trylock_page() was
intended to make sure that old_page is locked even when old_page !=
pagecache_page, because then only pagecache_page is locked.
This patch fixes it by moving page locking into hugetlb_fault().
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Obviously, setting anon_vma for COWed hugepage should be done
by hugepage_add_new_anon_rmap() to scan vmas faster.
This patch fixes it.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch applies Andrea's fix given by the following patch into hugepage
rmapping code:
commit 288468c334e98aacbb7e2fb8bde6bc1adcd55e05
Author: Andrea Arcangeli <aarcange@redhat.com>
Date: Mon Aug 9 17:19:09 2010 -0700
This patch uses anon_vma->root and avoids unnecessary overwriting when
anon_vma is already set up.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Correct function being needlessly visible outside compilation unit
when the only users are internal.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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* 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Fix reboot on Intel hosts
KVM: fix irqfd assign/deassign race
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Fix string interpreted as trigraph and typo.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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