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In some cases we would like to set the mac address without changing
the operating mode. However, Atheros cards store PCU data in the high
16 bits of the mac address register. Change ath5k_hw_set_lladdr() to
not clobber the PCU settings.
Changes-licensed-under: ISC
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The base versions handle constant folding just fine.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We have a few BSD/ISC licensed userspace applications which
include nl80211.h from the kernel. To avoid legal ambiguity
for usage of the header file in these projects we rather simply
relicense the header file under the ISC. We've received consent
from all contributors to it.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Acked-by: Luis Carlos Cobo <luisca@cozybit.com>
Acked-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Jouni Malinen <jouni.malinen@atheros.com>
Acked-by: Colin McCabe <colin@cozybit.com>
Acked-by: Javier Cardona <javier@cozybit.com>
Cc: johannes@sipsolutions.net
Cc: altape@eden.rutgers.edu
Cc: luisca@cozybit.com
Cc: mb@bu3sch.de
Cc: jouni.malinen@atheros.com
Cc: colin@cozybit.com
Cc: javier@cozybit.com
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds new NL80211_CMD_SET_WIPHY attributes
NL80211_ATTR_WIPHY_FREQ and NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET to allow
userspace to set the operating channel (e.g., hostapd for AP mode).
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When a station goes to PS mode to scan, it will then send
probe requests without the PS bit set. mac80211 will take
that as indication that the station woke up, but it didn't.
This patch changes mac80211 to only consider doze->wake
transitions on data frames to to fix that issue.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch reorders calls during disassociation in
ieee80211_set_disassoc function.
Since sta_info_unlink calls sta_notify(REMOVE) it will
remove the station representing AP from the driver before
it has disassociated from it using bss_info_changed callback.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It seems like proper etiquette to let other stations know when we are
going down in either STA or IBSS mode. This also notifies userland, so
wpa_supplicant doesn't get confused.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This is fallout from moving the crypto stuff to the new lib80211
component.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Under my 2.6.28-rc6 sparc64, when associating to an AP through my
zd1211rw device, I was seeing kernel log messages like (not exact output):
Kernel unaligned access at TPC[10129b68] zd_mac_rx+0x144/0x32c [zd1211rw]
For the zd1211rw module, on RX, the 80211 packet will be located after
the PLCP header in the skb data buffer. The PLCP header being 5 bytes
long, the 80211 header will start unaligned from an aligned skb
buffer.
As per Documentation/unaligned-memory-access.txt, we must replace the
not unaligned() safe compare_ether_addr() with memcmp() to protect
architectures that require alignment.
Signed-off-by: Shaddy Baddah <shaddy_baddah@hotmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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After fixing zd1211rw: use unaligned safe memcmp() in-place of
compare_ether_addr(), I started to see kernel log messages detailing
unaligned access:
Kernel unaligned access at TPC[100f7f44] sta_info_get+0x24/0x68 [mac80211]
As with the aforementioned patch, the unaligned access was eminating
from a compare_ether_addr() call. Concerned that whilst it was safe to
assume that unalignment was the norm for the zd1211rw, and take
preventative measures, it may not be the case or acceptable to use the
easy fix of changing the call to memcmp().
My research however indicated that it was OK to do this, as there are
a few instances where memcmp() is the preferred mechanism for doing
mac address comparisons throughout the module.
Signed-off-by: Shaddy Baddah <shaddy_baddah@hotmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In "ipw2200: Call netif_*_queue() interfaces properly", netif_stop_queue()
and netif_wake_queue() were removed with the reason
"netif_carrier_{on,off}() handles starting and stopping packet flow into
the driver". The patch also removes a valid condition check that
ipw_tx_skb() cannot be called if device is not in STATUS_ASSOCIATED state.
But netif_carrier_off() doesn't guarantee netdev->hard_start_xmit won't
be called because linkwatch event is handled in a delayed workqueue. This
caused a kernel oops reported by Frank Seidel:
https://bugzilla.novell.com/show_bug.cgi?id=397390
This patch fixes the problem by moving the STATUS_ASSOCIATED check back
to ipw_tx_skb(). It also adds a missing netif_carrier_off() call to
ipw_disassociate().
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Chatre, Reinette <reinette.chatre@intel.com>
Tested-by: Frank Seidel <fseidel@suse.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch cleans uCode key table bit map iwl_clear_stations_table
since all stations are cleared also the key table must be.
Since the keys are not removed properly on suspend by mac80211
this may result in exhausting key table on resume leading
to memory corruption during removal
This patch also fixes a memory corruption problem reported in
http://marc.info/?l=linux-wireless&m=122641417231586&w=2 and tracked in
http://bugzilla.kernel.org/show_bug.cgi?id=12040.
When the key is removed a second time the offset is set to 255 - this
index is not valid for the ucode_key_table and corrupts the eeprom pointer
(which is 255 bits from ucode_key_table).
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Reported-by: Carlos R. Mafra <crmafra2@gmail.com>
Reported-by: Lukas Hejtmanek <xhejtman@ics.muni.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Impact: clean up
Using (struct pid *)-1 as the pointer for ftrace_swapper_pid is
a little confusing for others. This patch uses the address of the
actual init pid structure instead. This change is only for
clarity. It does not affect the code itself. Hopefully soon the
swapper tasks will all have their own pid structure and then
we can clean up the code a bit more.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: cleanup
As suggested by Steven Rostedt, this patch provide a new macro
task_curr_ret_stack() to move the cpp conditionnal CONFIG into
the linux/ftrace.h headers.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: fix default empty traces on function-graph-tracer
The actual ftrace_trace_task() checks if ftrace_pid_trace is allocated
and return 1 if it is true.
If it is NULL, it will check the bit of pid tracing flag for the current
task (which are not set by default).
So by default, a task is not traced.
Actually all tasks should be traced by default and filter_by_pid when
ftrace_pid_trace is allocated.
The appropriate condition should be to return 1 if filter_by_pid is
set.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acke-dby: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Impact: fix tracer selfstests false results
After setting a ftrace_printk somewhere in th kernel, I saw the
Function tracer selftest failing.
When a selftest occurs, the ring buffer is lurked to see if
some entries were inserted. But concurrent insertion such as
ftrace_printk could occured at the same time and could give
false positive or negative results.
This patch prevent prevent from TRACE_PRINT entries insertion
during selftests.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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'tracing/urgent' into tracing/core
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Impact: clean up printk
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The current code overrides the event type on input pins always to
PWR_EVENT. Although this still works (PWR_EVENT and INSERT_EVENT
are handled samely), it'd be better to avoid such overrides.
Also, currently the unsol events are registered even for fixed pins
which will never raise the pin-detection event.
This patch fixes both issues.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Just come across this when booting on an old hw..
Looks somewhat ugly, that single missing space ;)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The pin-detection function used in patch_sigmatel.c shouldn't be specific
to HP pin because it's used for input pins in general, too.
This patch fixes the detection function, removes the HP check from it
and moves to stac92xx_hp_detect().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/bdev
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/bdev:
[PATCH] fix bogus argument of blkdev_put() in pktcdvd
[PATCH 2/2] documnt FMODE_ constants
[PATCH 1/2] kill FMODE_NDELAY_NOW
[PATCH] clean up blkdev_get a little bit
[PATCH] Fix block dev compat ioctl handling
[PATCH] kill obsolete temporary comment in swsusp_close()
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-gem-update' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/i915: Return error in i915_gem_set_to_gtt_domain if we're not in the GTT.
drm/i915: Retry execbuffer pinning after clearing the GTT
drm/i915: Move the execbuffer domain computations together
drm/i915: Rename object_set_domain to object_set_to_gpu_domain
drm/i915: Make a single set-to-cpu-domain path and use it wherever needed.
drm/i915: Make a single set-to-gtt-domain path.
drm/i915: If interrupted while setting object domains, still emit the flush.
drm/i915: Move flushing list cleanup from flush request retire to request emit.
drm/i915: Respect GM965/GM45 bit-17-instead-of-bit-11 option for swizzling.
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git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc:
powerpc/83xx: Enable FIXED_PHY in mpc834x_itx and mpc83xx defconfigs
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Commit 558073dd56707864f09d563b64e7c37c021e89d2 ("ACPI: battery: Convert
discharge energy rate to current properly") caused the battery subsystem
to report wrong values of the remaining time on battery power and the
time until fully charged on Toshiba Portege R500 (and presumably on
other boxes too).
Fix the issue by correcting the conversion from mW to mA.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
time: catch xtime_nsec underflows and fix them
posix-cpu-timers: fix clock_gettime with CLOCK_PROCESS_CPUTIME_ID
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Sync FPU state in VIS emulation handler.
sparc64: Fix VIS emulation bugs
sparc: asm/bitops.h should define __fls
sparc64: Fix bug in PTRACE_SETFPREGS64 handling.
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git://git.kernel.org/pub/scm/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: fix early panic with boot option "nosmp"
x86/oprofile: fix Intel cpu family 6 detection
oprofile: fix CPU unplug panic in ppro_stop()
AMD IOMMU: fix possible race while accessing iommu->need_sync
AMD IOMMU: set device table entry for aliased devices
AMD IOMMU: struct amd_iommu remove padding on 64 bit
x86: fix broken flushing in GART nofullflush path
x86: fix dma_mapping_error for 32bit x86
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git://git.kernel.org/pub/scm/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: don't export sched_mc_power_savings in laptops
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git://git.kernel.org/pub/scm/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:
check_hung_task(): unsigned sysctl_hung_task_warnings cannot be less than 0
documentation: local_ops fix on_each_cpu
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
MIPS: Return ENOSYS from sys32_syscall on 64bit kernels like elsewhere.
MIPS: 64-bit: vmsplice needs to use the compat wrapper for o32 and N32.
MIPS: o32: Fix number of arguments to splice(2).
MIPS: Malta: Consolidate platform device code.
MIPS: IP22, Fulong, Malta: Update defconfigs.
MIPS: Malta: Add back RTC support
MIPS: Fix potential DOS by untrusted user app.
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* 'for-linus' of git://oss.sgi.com/xfs/xfs:
[XFS] Fix hang after disallowed rename across directory quota domains
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When project quota is active and is being used for directory tree
quota control, we disallow rename outside the current directory
tree. This requires a check to be made after all the inodes
involved in the rename are locked. We fail to unlock the inodes
correctly if we disallow the rename when the target is outside the
current directory tree. This results in a hang on the next access
to the inodes involved in failed rename.
Reported-by: Arkadiusz Miskiewicz <arekm@maven.pl>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Tested-by: Arkadiusz Miskiewicz <arekm@maven.pl>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
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This patch fixes a bug in tcp_vegas.c. At the moment this code leaves
ssthresh untouched. However, this means that the vegas congestion
control algorithm is effectively unable to reduce cwnd below the
ssthresh value (if the vegas update lowers the cwnd below ssthresh,
then slow start is activated to raise it back up). One example where
this matters is when during slow start cwnd overshoots the link
capacity and a flow then exits slow start with ssthresh set to a value
above where congestion avoidance would like to adjust it.
Signed-off-by: Doug Leith <doug.leith@nuim.ie>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is needed so that Vitesse 7385 5-port switch could work on
MPC8349E-mITX boards.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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From: Martin Willi <martin@strongswan.org>
An IPsec node speaking IKEv2 MUST accept incoming UDP encapsulated
ESP packets, even if no NAT situation is detected. This is important
if MOBIKE is in use. Some implementation keep the encapsulation
mode if they move out of a NAT situation.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simply replace netdev->priv with netdev_priv().
[ Kill unnecessary casts, noticed by Ilpo -DaveM ]
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simply replace netdev->priv with netdev_priv().
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simply replace netdev->priv with netdev_priv().
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simply replace netdev->priv with netdev_priv().
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit d253eee20195b25e298bf162a6e72f14bf4803e5 the single CAN
identifier filter lists handle only non-RTR CAN frames.
So we need to omit the check of these filter lists when receiving RTR
CAN frames.
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As reported by Hugo Dias that it is possible to cause a local denial
of service attack by calling the svc_listen function twice on the same
socket and reading /proc/net/atm/*vc
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the o32 errno was changed to ENOSYS, we forgot to update the code
for 64bit kernels.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The syscall code was assuming splice only takes 4 arguments so no stack
arguments were being copied from the userspace stack to the kernel stack.
As the result splice was likely to fail with EINVAL.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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After adding the RTC platform device to malta-platform.c malta-mtd.c should
get unified with the rest of the platform device code.
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These haven't seen much attention for too long but particularly important
enable RTC_CLASS and CONFIG_RTC_HCTOSYS so the wall clock time is set on
kernel startup.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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With the conversion of MIPS to RTC_LIB the old RTC driver CONFIG_RTC became
unselectable. Fix by setting up a platform device. Also enable
RTC_CLASS so system time gets set from RTC on kernel initialization.
[Ralf: Original patch by Tiejun; polished nice and shiny by me]
Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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On a 64 bit kernel if an o32 syscall was made with a syscall number less
than 4000, we would read the function from outside of the bounds of the
syscall table. This led to non-deterministic behavior including system
crashes.
While we were at it we reworked the 32 bit version as well to use fewer
instructions. Both 32 and 64 bit versions are use the same code now.
Signed-off-by: Vlad Malov <Vlad.Malov@caviumnetworks.com>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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