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Commit 1faa16d22877f4839bd433547d770c676d1d964c accidentally broke
the bdi congestion wait queue logic, causing us to wait on congestion
for WRITE (== 1) when we really wanted BLK_RW_ASYNC (== 0) instead.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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The bt_lost_no_mapping is not getting reset at the start of a
profiling run, thus the oprofiled.log shows erroneous values for this
statistic. The attached patch fixes this problem.
Signed-off-by: Maynard Johnson <maynardj@us.ibm.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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* fix/hda:
ALSA: hda - targa and targa-2ch fix
ALSA: hda - fix beep tone calculation for IDT/STAC codecs
ALSA: hda - Missing volume controls for Intel HDA (ALC269/EeePC)
ALSA: hda - Disable AMD SB600 64bit address support only
ALSA: hda - Check widget types while parsing capture source in patch_via.c
ALSA: hda - Fix capture source selection in patch_via.c
ALSA: hda - Add missing EAPD initialization for VIA codecs
ALSA: hda - Clean up VT170x dig-in initialization code
ALSA: hda - Fix error path in the sanity check in azx_pcm_open()
ALSA: hda - move 8086:fb30 quirk (stac9205) to the proper section
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* fix/asoc:
ASoC: Fix wm8753 register cache size and initialization
ASoC: add locking to mpc5200-psc-ac97 driver
ASoC: Fix mpc5200-psc-ac97 to ensure the data ready bit is cleared
ASoC: Fix register cache initialisation for WM8753
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] w83627hf_wdt.c: add support for the W83627EHF support
[WATCHDOG] SA1100 watchdog maximum timeout
[WATCHDOG] w83697ug, fix lock imbalance
[WATCHDOG] drivers/watchdog/bcm47xx_wdt.c: Remove unnecessary semicolons
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Remove call to the mx3fb_set_par() and the mx3fb_blank() before the
register_framebuffer().
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove call to the fb_set_par() before the register_framebuffer().
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
cifs: when ATTR_READONLY is set, only clear write bits on non-directories
cifs: remove cifsInodeInfo->inUse counter
cifs: convert cifs_get_inode_info and non-posix readdir to use cifs_iget
[CIFS] update cifs version number
cifs: add and use CIFSSMBUnixSetFileInfo for setattr calls
cifs: make a separate function for filling out FILE_UNIX_BASIC_INFO
cifs: rename CIFSSMBUnixSetInfo to CIFSSMBUnixSetPathInfo
cifs: add pid of initiating process to spnego upcall info
cifs: fix regression with O_EXCL creates and optimize away lookup
cifs: add new cifs_iget function and convert unix codepath to use it
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (29 commits)
cxgb3: Fix crash caused by stashing wrong netdev_queue
ixgbe: Fix coexistence of FCoE and Flow Director in 82599
memory barrier: adding smp_mb__after_lock
net: adding memory barrier to the poll and receive callbacks
netpoll: Fix carrier detection for drivers that are using phylib
includecheck fix: include/linux, rfkill.h
p54: tx refused but queue active
Atheros Kconfig needs to be dependent on WLAN_80211
mac80211: fix docbook
mac80211_hwsim: avoid NULL access
ssb: Add support for 4318E
b43: Add support for 4318E
zd1211rw: adding SONY IFU-WLM2 (054c:0257) as a zd1211b device
zd1211rw: 07b8:6001 is a ZD1211B
r6040: bump driver version to 0.24 and date to 08 July 2009
r6040: restore MIER register correctly when IRQ line is shared
ipv4: Fix fib_trie rebalancing, part 4 (root thresholds)
davinci_emac: fix kernel oops when changing MAC address while interface is down
igb: set lan id prior to configuring phy
mac80211: minstrel: avoid accessing negative indices in rix_to_ndx()
...
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Looks like the change in ad361c9884e809340f6daca80d56a9e9c871690a
wasn't compile tested.
Signed-off-by: Dave Jones <davej@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The short name of the achitecture is 'arch_perfmon'. This patch
changes the kernel parameter to use this name.
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Commit c3a8c5b6 ("cxgb3: move away from LLTX") exposed a bug in how
cxgb3 looks up the netdev_queue it stashes away in a qset during
initialization. For multiport devices, the TX queue index it uses is
offset by the first_qset index of each port. This leads to a crash
once LLTX is removed, since hard_start_xmit is called with one TX
queue lock held, while the TX reclaim timer task grabs a different
(wrong) TX queue lock when it frees skbs.
Fix this by removing the first_qset offset used to look up the TX
queue passed into t3_sge_alloc_qset() from setup_sge_qsets().
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix coexistence of Fiber Channel over Ethernet (FCoE) and Flow Director (FDIR)
in 82599 and remove the disabling of FDIR when FCoE is enabled.
Currently, FDIR is turned off when FCoE is enabled under the assumption that
FCoE is always enabled with DCB being turned on. However, FDIR does not have
to be turned off all the time when FCoE is enabled since FCoE can be enabled
without DCB being turned on, e.g., use link pause only. This patch makes sure
that when DCB is turned on or off, FDIR is turned on or off correspondingly;
and when FCoE is enabled, it does not disable FDIR, rather, it will have FDIR
set up properly so FCoE and FDIR can coexist regardless of DCB being on or off.
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding smp_mb__after_lock define to be used as a smp_mb call after
a lock.
Making it nop for x86, since {read|write|spin}_lock() on x86 are
full memory barriers.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding memory barrier after the poll_wait function, paired with
receive callbacks. Adding fuctions sock_poll_wait and sk_has_sleeper
to wrap the memory barrier.
Without the memory barrier, following race can happen.
The race fires, when following code paths meet, and the tp->rcv_nxt
and __add_wait_queue updates stay in CPU caches.
CPU1 CPU2
sys_select receive packet
... ...
__add_wait_queue update tp->rcv_nxt
... ...
tp->rcv_nxt check sock_def_readable
... {
schedule ...
if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
wake_up_interruptible(sk->sk_sleep)
...
}
If there was no cache the code would work ok, since the wait_queue and
rcv_nxt are opposit to each other.
Meaning that once tp->rcv_nxt is updated by CPU2, the CPU1 either already
passed the tp->rcv_nxt check and sleeps, or will get the new value for
tp->rcv_nxt and will return with new data mask.
In both cases the process (CPU1) is being added to the wait queue, so the
waitqueue_active (CPU2) call cannot miss and will wake up CPU1.
The bad case is when the __add_wait_queue changes done by CPU1 stay in its
cache, and so does the tp->rcv_nxt update on CPU2 side. The CPU1 will then
endup calling schedule and sleep forever if there are no more data on the
socket.
Calls to poll_wait in following modules were ommited:
net/bluetooth/af_bluetooth.c
net/irda/af_irda.c
net/irda/irnet/irnet_ppp.c
net/mac80211/rc80211_pid_debugfs.c
net/phonet/socket.c
net/rds/af_rds.c
net/rfkill/core.c
net/sunrpc/cache.c
net/sunrpc/rpc_pipe.c
net/tipc/socket.c
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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cifs: when ATTR_READONLY is set, only clear write bits on non-directories
On windows servers, ATTR_READONLY apparently either has no meaning or
serves as some sort of queue to certain applications for unrelated
behavior. This MS kbase article has details:
http://support.microsoft.com/kb/326549/
Don't clear the write bits directory mode when ATTR_READONLY is set.
Reported-by: pouchat@peewiki.net
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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cifs: remove cifsInodeInfo->inUse counter
It was purported to be a refcounter of some sort, but was never
used that way. It never served any purpose that wasn't served equally well
by the I_NEW flag.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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cifs: convert cifs_get_inode_info and non-posix readdir to use cifs_iget
Rather than allocating an inode and filling it out, have
cifs_get_inode_info fill out a cifs_fattr and call cifs_iget. This means
a pretty hefty reorganization of cifs_get_inode_info.
For the readdir codepath, add a couple of new functions for filling out
cifs_fattr's from different FindFile response infolevels.
Finally, remove cifs_new_inode since there are no more callers.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Wrapped the smack_audit_data and selinux_audit_data
structs in include/linux/lsm_audit.h in ifdefs so that the
union will always be the correct size.
Signed-off-by: Thomas Liu <tliu@redhat.com>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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Made the lsm_priv union in include/linux/lsm_audit.h
anonymous.
Signed-off-by: Thomas Liu <tliu@redhat.com>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
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On some boxes the mobile chipset is used and there is no LVDS device. In such
case we had better not initialize the LVDS output device so that one pipe can
be used for other output device. For example: E-TOP.
But unfortunately the LVDS device is still initialized on the boxes based on
mobile chipset in KMS mode. It brings that this pipe occupied by LVDS can't be
used for other output device.
After checking the acpidump we find that there is no LID device on such boxes.
In such case we can use the LID device to decide whether the LVDS device should
be initialized.
If there is no LID device, we can think that there is no LVDS device. It is
unnecessary to initialize the LVDS output device.
If there exists the LID device, it will continue the current flowchart.
Maybe on some boxes there is no LVDS device but the LID device is found. In
such case it should be added to the quirk list.
http://bugs.freedesktop.org/show_bug.cgi?id=21496
http://bugs.freedesktop.org/show_bug.cgi?id=21856
http://bugs.freedesktop.org/show_bug.cgi?id=21127
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[anholt: squashed in style fixups]
Signed-off-by: Eric Anholt <eric@anholt.net>
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Moved variable function in include/linux/lsm_audit.h into the
smack_audit_data struct since it is never used outside of it.
Also removed setting of function in the COMMON_AUDIT_DATA_INIT
macro because that variable is now private to SMACK.
Signed-off-by: Thomas Liu <tliu@redhat.com>
Acked-by: Eric Paris <eparis@redhat.com>
I-dont-see-any-problems-with-it: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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cifs: add and use CIFSSMBUnixSetFileInfo for setattr calls
When there's an open filehandle, SET_FILE_INFO is apparently preferred
over SET_PATH_INFO. Add a new variant that sets a FILE_UNIX_INFO_BASIC
infolevel via SET_FILE_INFO and switch cifs_setattr_unix to use the
new call when there's an open filehandle available.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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cifs: make a separate function for filling out FILE_UNIX_BASIC_INFO
The SET_FILE_INFO variant will need to do the same thing here. Break
this code out into a separate function that both variants can call.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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cifs: rename CIFSSMBUnixSetInfo to CIFSSMBUnixSetPathInfo
...in preparation of adding a SET_FILE_INFO variant.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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cifs: add pid of initiating process to spnego upcall info
This will allow the upcall to poke in /proc/<pid>/environ and get
the value of the $KRB5CCNAME env var for the process.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Add support for the W83627EHF/EF and W83627EHG/EG chipsets.
Signed-off-by: Slobodan Tomić <stomic@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This patch replaces the hardcoded 255 seconds limit for a real limit based on
oscr_freq.
Also, the 'firmware_version' field is changed to '1' to allow the user
space application to easily detect that this driver supports a higher
maximum timeout.
Signed-off-by: Raphael Assenat <raph@8D.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Don't forget to unlock io_lock when w83697ug_select_wd_register fails in
wdt_ctrl.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Simplify ALC882_TARGA and return gpio3 to ALC883_TARGA_DIG and
ALC883_TARGA_2ch_DIG, which I accidentally removed in commit id
64a8be74357477558183b43156c5536b642de134
Signed-off-by: David Heidelberger <d.okias@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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kmemleak_alloc() calls were added in some places where alloc_bootmem was
called. Since now kmemleak tracks bootmem allocations, these explicit
calls should be run.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
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In the beep tone calculation for IDT/STAC codecs, lower numbers correspond
to higher frequencies and vice versa. The current code has this backwards,
resulting in beep frequencies which are way too high (and sound bad on
tinny laptop speakers, resulting in complaints).
[Also added hz <= 0 check by tiwai]
Signed-off-by: Paul Vojta <vojta@math.berkeley.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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In the 'ubifs_recover_leb()' function, when we find corrupted
empty space, we dump 8K starting from the offset where the last
node ends. This is OK if the corrupted empty space is somewhere
near that offset. But if the corruption is far at the end of the
LEB, we will dump all 0xFF bytes and complitely ignore the
interesting data. This is observed on a PPC ("kilauea") with
NOR flash.
This patch changes the behavior and teaches UBIFS to print only
interesting data. I.e., now we find where corruption starts and
start dumping from that offset.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Reviewed-by: Adrian Hunter <Adrian.Hunter@nokia.com>
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recovery.c has 'is_empty()' helper and it is better to use
this helper instead of re-implementing it in several places.
This patch does this and removes some amount of unneeded code.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Reviewed-by: Adrian Hunter <Adrian.Hunter@nokia.com>
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This patch fixes few minor things I've spotted while going through
code:
1. Better document return codes
2. If 'ubifs_scan_a_node()' returns some thing we do not expect,
treat this as an error.
3. Try to do recovery only when 'ubifs_scan()' returns %-EUCLEAN,
not on any error.
4. If empty space starts at a non-aligned address, print a message.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Reviewed-by: Adrian Hunter <Adrian.Hunter@nokia.com>
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In case of corruptions, dump 8192 bytes instead of 4096. The
largest node is 4096+ bytes, so it is better to see a node
boundary, which is not always possible when only 4096 bytes
are printed.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Reviewed-by: Adrian Hunter <Adrian.Hunter@nokia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] Fix compile failure in cpufreq.c
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Using early netconsole and gianfar driver this error pops up:
netconsole: timeout waiting for carrier
It appears that net/core/netpoll.c:netpoll_setup() is using
cond_resched() in a loop waiting for a carrier.
The thing is that cond_resched() is a no-op when system_state !=
SYSTEM_RUNNING, and so drivers/net/phy/phy.c's state_queue is never
scheduled, therefore link detection doesn't work.
I belive that the main problem is in cond_resched()[1], but despite
how the cond_resched() story ends, it might be a good idea to call
msleep(1) instead of cond_resched(), as suggested by Andrew Morton.
[1] http://lkml.org/lkml/2009/7/7/463
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Commit ad361c98 ("Remove multiple KERN_ prefixes from printk formats")
broke the build for fealnx because it added some "printk(PR_CONT ..."
calls, when PR_CONT doesn't exist; it should be "printk(KERN_CONT ..."
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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managed_policy is out of scope for the non-smp case.
Declare it locally where used (twice)
Signed-off-by: Dave Jones <davej@redhat.com>
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cifs: fix regression with O_EXCL creates and optimize away lookup
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Tested-by: Shirish Pargaonkar <shirishp@gmail.com>
CC: Stable Kernel <stable@kernel.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Remove not needed locking of the fb_info->mm_lock mutex before a
frambuffer is registered.
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove call to the fsl_diu_set_par before the register_framebuffer().
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Tested-by: "Kai Jiang" <b18973@freescale.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fix the following 'make includecheck' warning:
include/linux/rfkill.h: linux/types.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In the mainline kernel, p54usb will fail because the TX queue length can
become < 0. This problem has been reported as Bugzilla #13725. The failure
is expressed by the following message in the logs:
WARNING: at net/mac80211/tx.c:1325 ieee80211_tx+0x23c/0x298 [mac80211]()
Hardware name: HP Pavilion dv2700 Notebook PC
tx refused but queue active
This problem has been recently observed in the wireless-testing tree, where
a full solution is being tested. That fix is too invasive for 2.6.31-rcX,
but the simple change supplied here will prevent the failure.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Atheros top level menu needs a "depends WLAN_80211" to properly indent
within menuconfig and xconfig interfaces.
This is purely a visual issue but it effects all subsequent drivers.
The issue is the top level menu does not include a dependency on
WLAN_80211 so within the tree structure, Atheros is at the same level as
WLAN_80211 but when WLAN_80211 collapsed, the menu disappears along with
all subsequent drives, so it is really a subordinate.
Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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These two functions no longer exist in mac80211,
so trying to insert them generates warnings in
the document.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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