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We can't be holding tree locks while we try to start a transaction, we will
deadlock. Thanks,
Reported-by: Sage Weil <sage@inktank.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
I plan to stay with the Rockchip SoCs for the foreseable future
and hope to expand its support along the way.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Once the machine gets to a certain point in the suspend process, we
expect the GPU to be idle. If it is not, we might corrupt memory.
Empirically (with an early version of this patch) we have seen this is
not the case. We cannot currently explain why the latent GPU writes
occur.
In the technical sense, this patch is a workaround in that we have an
issue we can't explain, and the patch indirectly solves the issue.
However, it's really better than a workaround because we understand why
it works, and it really should be a safe thing to do in all cases.
The noticeable effect other than the debug messages would be an increase
in the suspend time. I have not measure how expensive it actually is.
I think it would be good to spend further time to root cause why we're
seeing these latent writes, but it shouldn't preclude preventing the
fallout.
NOTE: It should be safe (and makes some sense IMO) to also keep the
VALID bit unset on resume when we clear_range(). I've opted not to do
this as properly clearing those bits at some later point would be extra
work.
v2: Fix bugzilla link
Bugzilla: http://bugs.freedesktop.org/show_bug.cgi?id=65496
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=59321
Tested-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Tested-By: Todd Previte <tprevite@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
We need this to work around a corruption when the boot kernel image
loads the hibernated kernel image from swap on Haswell systems -
somehow not everything is properly shut off.
This is just the prep work, the next patch will implement the actual
workaround.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Add a commit message suitable for -fixes and add cc: stable]
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Overhaul of MAINTAINERS for Tegra. This adds Thierry as a Tegra core
maintainer, and adds specific entries for most individual Tegra-specific
device drivers, pointing at relevant people. The tegradrm section is
updated to be Supported since Thierry is now employed to work on this.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Revert some changes done in 7746383868.
Revert all changes done in hidinput_calc_abs_res as it mistakingly used
"Unit" item exponent nibbles to affect resolution value. This wasn't
breaking resolution calculation of relevant axes of any existing
devices, though, as they have only one dimension to their units and thus
1 in the corresponding nible.
Revert to reading "Unit Exponent" item value as a signed integer in
hid_parser_global to fix reading specification-complying values. This
fixes resolution calculation of devices complying to the HID standard,
including Huion, KYE, Waltop and UC-Logic graphics tablets which have
their report descriptors fixed by the drivers.
Explanations follow.
There are two "unit exponents" in HID specification and it is important
not to mix them. One is the global "Unit Exponent" item and another is
nibble values in the global "Unit" item. See 6.2.2.7 Global Items.
The "Unit Exponent" value is just a signed integer and is used to scale
the integer resolution unit values, so fractions can be expressed.
The nibbles of "Unit" value are used to select the unit system (nibble
0), and presence of a particular basic unit type in the unit formula and
its *exponent* (or power, nibbles 1-6). And yes, the latter is in two
complement and zero means absence of the unit type.
Taking the representation example of (integer) joules from the
specification:
[mass(grams)][length(centimeters)^2][time(seconds)^-2] * 10^-7
the "Unit Exponent" would be -7 (or 0xF9, if stored as a byte) and the
"Unit" value would be 0xE121, signifying:
Nibble Part Value Meaning
----- ---- ----- -------
0 System 1 SI Linear
1 Length 2 Centimeters^2
2 Mass 1 Grams
3 Time -2 Seconds^-2
To give the resolution in e.g. hundredth of joules the "Unit Exponent"
item value should have been -9.
See also the examples of "Unit" values for some common units in the same
chapter.
However, there is a common misunderstanding about the "Unit Exponent"
value encoding, where it is assumed to be stored the same as nibbles in
"Unit" item. This is most likely due to the specification being a bit
vague and overloading the term "unit exponent". This also was and still
is proliferated by the official "HID Descriptor Tool", which makes this
mistake and stores "Unit Exponent" as such. This format is also
mentioned in books such as "USB Complete" and in Microsoft's hardware
design guides.
As a result many devices currently on the market use this encoding and
so the driver should support them.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* acpi-fixes:
ACPI / PM: Drop two functions that are not used any more
ATA / ACPI: remove power dependent device handling
ACPI / power: Drop automaitc resume of power resource dependent devices
ACPI: remove /proc/acpi/event from ACPI_BUTTON help
ACPI / power: Release resource_lock after acpi_power_get_state() return error
"str" is never NULL here so I have removed the check. There are static
checkers which complain about superfluous NULL checks because it may
indicate confusion or a bug.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rather than hard-lock the kernel, dump the suspend/resume thread stack
and panic() to capture a message in pstore when a driver takes too long
to suspend/resume. Default suspend/resume watchdog timeout is set to 12
seconds to be longer than the usbhid 10 second timeout, but could be
changed at compile time.
Exclude from the watchdog the time spent waiting for children that
are resumed asynchronously and time every device, whether or not they
resumed synchronously.
This patch is targeted for mobile devices where a suspend/resume lockup
could cause a system reboot. Information about failing device can be
retrieved in subsequent boot session by mounting pstore and inspecting
the log. Laptops with EFI-enabled pstore could also benefit from
this feature.
The hardware watchdog timer is likely suspended during this time and
couldn't be relied upon. The soft-lockup detector would eventually tell
that tasks are not scheduled, but would provide little context as to why.
The patch hence uses system timer and assumes it is still active while the
devices are suspended/resumed.
This feature can be enabled/disabled during kernel configuration.
This change is based on earlier work by San Mehat.
Signed-off-by: Benoit Goby <benoit@android.com>
Signed-off-by: Zoran Markovic <zoran.markovic@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Intel Running Average Power Limit (RAPL) technology provides platform
software with the ability to monitor, control, and get notifications on
power usage.
This feature is present in all Sandy Bridge and later Intel processors.
Newer models allow more fine grained controls to be applied. In RAPL,
power control is divided into domains, which include package, DRAM
controller, CPU core (Power Plane 0), graphics uncore (power plane 1), etc.
The purpose of this driver is to expose the RAPL settings to userspace.
Overall, RAPL fits in the new powercap class driver in that platform
level power capping controls are exposed via this generic interface.
This driver is based on an earlier patch from Zhang Rui.
However, while the previous work was mainly focused on thermal monitoring
the focus here is on the usability from user space perspective.
References: https://lkml.org/lkml/2011/5/26/93
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Pavel Roskin reported that DRM_IOCTL_MODE_GETCONNECTOR was overwritting
the 4 bytes beyond the end of its structure with a 32-bit userspace
running on a 64-bit kernel. This is due to the padding gcc inserts as
the drm_mode_get_connector struct includes a u64 and its size is not a
natural multiple of u64s.
64-bit kernel:
sizeof(drm_mode_get_connector)=80, alignof=8
sizeof(drm_mode_get_encoder)=20, alignof=4
sizeof(drm_mode_modeinfo)=68, alignof=4
32-bit userspace:
sizeof(drm_mode_get_connector)=76, alignof=4
sizeof(drm_mode_get_encoder)=20, alignof=4
sizeof(drm_mode_modeinfo)=68, alignof=4
Fortuituously we can insert explicit padding to the tail of our
structures without breaking ABI.
Reported-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Apply the protections from
commit 1b2f148963
Author: Dave Airlie <airlied@redhat.com>
Date: Sat Aug 14 20:20:34 2010 +1000
drm: block userspace under allocating buffer and having drivers overwrite it (v2)
to the core ioctl structs as well, for we found one instance where there
is a 32-/64-bit size mismatch and were guilty of writing beyond the end
of the user's buffer.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: dri-devel@lists.freedesktop.org
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Pull CIFS fixes from Steve French:
"Five small cifs fixes (includes fixes for: unmount hang, 2 security
related, symlink, large file writes)"
* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
cifs: ntstatus_to_dos_map[] is not terminated
cifs: Allow LANMAN auth method for servers supporting unencapsulated authentication methods
cifs: Fix inability to write files >2GB to SMB2/3 shares
cifs: Avoid umount hangs with smb2 when server is unresponsive
do not treat non-symlink reparse points as valid symlinks
cpufreq_set_policy() has been changed to origin __cpufreq_set_policy()
and policy->lock has been converted to rewrite lock by commit 5a01f2.
So remove the comment.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Let kstrtos32_from_user() do the necessary calls and checks.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit be4f154d5e
bridge: Clamp forward_delay when enabling STP
had a typo when attempting to clamp maximum forward delay.
It is possible to set bridge_forward_delay to be higher then
permitted maximum when STP is off. When turning STP on, the
higher then allowed delay has to be clamed down to max value.
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Reviewed-by: Veaceslav Falico <vfalico@redhat.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
sk_can_gso() should only be used as a hint in tcp_sendmsg() to build GSO
packets in the first place. (As a performance hint)
Once we have GSO packets in write queue, we can not decide they are no
longer GSO only because flow now uses a route which doesn't handle
TSO/GSO.
Core networking stack handles the case very well for us, all we need
is keeping track of packet counts in MSS terms, regardless of
segmentation done later (in GSO or hardware)
Right now, if tcp_fragment() splits a GSO packet in two parts,
@left and @right, and route changed through a non GSO device,
both @left and @right have pcount set to 1, which is wrong,
and leads to incorrect packet_count tracking.
This problem was added in commit d5ac99a648 ("[TCP]: skb pcount with MTU
discovery")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Reported-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
TCP stack should make sure it owns skbs before mangling them.
We had various crashes using bnx2x, and it turned out gso_size
was cleared right before bnx2x driver was populating TC descriptor
of the _previous_ packet send. TCP stack can sometime retransmit
packets that are still in Qdisc.
Of course we could make bnx2x driver more robust (using
ACCESS_ONCE(shinfo->gso_size) for example), but the bug is TCP stack.
We have identified two points where skb_unclone() was needed.
This patch adds a WARN_ON_ONCE() to warn us if we missed another
fix of this kind.
Kudos to Neal for finding the root cause of this bug. Its visible
using small MSS.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John W. Linville says:
====================
Please pull this batch of fixes intended for the 3.12 stream!
For the mac80211 bits, Johannes says:
"Jouni fixes a remain-on-channel vs. scan bug, and Felix fixes client TX
probing on VLANs."
And also:
"This time I have two fixes from Emmanuel for RF-kill issues, and fixed
two issues reported by Evan Huus and Thomas Lindroth respectively."
On top of those...
Avinash Patil adds a couple of mwifiex fixes to properly inform cfg80211
about some different types of disconnects, avoiding WARNINGs.
Mark Cave-Ayland corrects a pointer arithmetic problem in rtlwifi,
avoiding incorrect automatic gain calculations.
Solomon Peachy sends a cw1200 fix for locking around calls to
cw1200_irq_handler, addressing "lost interrupt" problems.
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a QMI device, manufactured by TCT Mobile Phones.
A companion patch blacklisting this device's QMI interface in the option.c
driver has been sent.
Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Antonella Pellizzari <anto.pellizzari83@gmail.com>
Tested-by: Dan Williams <dcbw@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We used to schedule the refill work unconditionally after changing the
number of queues. This may lead an issue if the device is not
up. Since we only try to cancel the work in ndo_stop(), this may cause
the refill work still work after removing the device. Fix this by only
schedule the work when device is up.
The bug were introduce by commit 9b9cd8024a.
(virtio-net: fix the race between channels setting and refill)
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We're trying to re-configure the affinity unconditionally in cpu hotplug
callback. This may lead the issue during resuming from s3/s4 since
- virt queues haven't been allocated at that time.
- it's unnecessary since thaw method will re-configure the affinity.
Fix this issue by checking the config_enable and do nothing is we're not ready.
The bug were introduced by commit 8de4b2f3ae
(virtio-net: reset virtqueue affinity when doing cpu hotplug).
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We overwrite the ->bitrate with the user supplied information on the
next line.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We cap bitrate at YAM_MAXBITRATE in yam_ioctl(), but it could also be
negative. I don't know the impact of using a negative bitrate but let's
prevent it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If interrupts happen before napi_enable was called, the driver will not
work as expected. Network transmissions are impossible in this state.
This bug can be reproduced easily by restarting the network interface in
a loop. After some time any network transmissions on the network
interface will fail.
This patch fixes the bug by enabling napi before enabling the network
interface interrupts.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RPS support is kind of broken on bnx2x, because only non LRO packets
get proper rx queue information. This triggers reorders, as it seems
bnx2x like to generate a non LRO packet for segment including TCP PUSH
flag : (this might be pure coincidence, but all the reorders I've
seen involve segments with a PUSH)
11:13:34.335847 IP A > B: . 415808:447136(31328) ack 1 win 457 <nop,nop,timestamp 3789336 3985797>
11:13:34.335992 IP A > B: . 447136:448560(1424) ack 1 win 457 <nop,nop,timestamp 3789336 3985797>
11:13:34.336391 IP A > B: . 448560:479888(31328) ack 1 win 457 <nop,nop,timestamp 3789337 3985797>
11:13:34.336425 IP A > B: P 511216:512640(1424) ack 1 win 457 <nop,nop,timestamp 3789337 3985798>
11:13:34.336423 IP A > B: . 479888:511216(31328) ack 1 win 457 <nop,nop,timestamp 3789337 3985798>
11:13:34.336924 IP A > B: . 512640:543968(31328) ack 1 win 457 <nop,nop,timestamp 3789337 3985798>
11:13:34.336963 IP A > B: . 543968:575296(31328) ack 1 win 457 <nop,nop,timestamp 3789337 3985798>
We must call skb_record_rx_queue() to properly give to RPS (and more
generally for TX queue selection on forward path) the receive queue
information.
Similar fix is needed for skb_mark_napi_id(), but will be handled
in a separate patch to ease stable backports.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Eilon Greenstein <eilong@broadcom.com>
Acked-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On receiving an ACK that covers the loss probe sequence, TLP
immediately sets the congestion state to Open, even though some packets
are not recovered and retransmisssion are on the way. The later ACks
may trigger a WARN_ON check in step D of tcp_fastretrans_alert(), e.g.,
https://bugzilla.redhat.com/show_bug.cgi?id=989251
The fix is to follow the similar procedure in recovery by calling
tcp_try_keep_open(). The sender switches to Open state if no packets
are retransmissted. Otherwise it goes to Disorder and let subsequent
ACKs move the state to Recovery or Open.
Reported-By: Michael Sterrett <michael@sterretts.net>
Tested-By: Dormando <dormando@rydia.net>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix to return -ENOMEM in the padding pkt alloc fail error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
For now, we disable the extended MMAP record support (MMAP2).
We have identified cases where it would not report the correct mapping
information, clone(VM_CLONE) but with separate pids. We will revisit
the support once we find a solution for this case.
The patch changes the kernel to return EINVAL if attr->mmap2 is set. The
patch also modifies the perf tool to use regular PERF_RECORD_MMAP for
synthetic events and it also prevents the tool from requesting
attr->mmap2 mode because the kernel would reject it.
The support will be revisited once the kenrel interface is updated.
In V2, we reduce the patch to the strict minimum.
In V3, we avoid calling perf_event_open() with mmap2 set because we know
it will fail and require fallback retry.
Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20131017173215.GA8820@quad
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Vlad Yasevich says:
====================
sctp: Use software checksum under certain circumstances.
There are some cards that support SCTP checksum offloading. When using
these cards with IPSec or forcing IP fragmentation of SCTP traffic,
the checksum is computed incorrectly due to the fact that xfrm and IP/IPv6
fragmentation code do not know that this is SCTP traffic and do not
know that checksum has to be computed differently.
To fix this, we let SCTP detect these conditions and perform software
checksum calculation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
IP/IPv6 fragmentation knows how to compute only TCP/UDP checksum.
This causes problems if SCTP packets has to be fragmented and
ipsummed has been set to PARTIAL due to checksum offload support.
This condition can happen when retransmitting after MTU discover,
or when INIT or other control chunks are larger then MTU.
Check for the rare fragmentation condition in SCTP and use software
checksum calculation in this case.
CC: Fan Du <fan.du@windriver.com>
Signed-off-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
igb/ixgbe have hardware sctp checksum support, when this feature is enabled
and also IPsec is armed to protect sctp traffic, ugly things happened as
xfrm_output checks CHECKSUM_PARTIAL to do checksum operation(sum every thing
up and pack the 16bits result in the checksum field). The result is fail
establishment of sctp communication.
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
dst->xfrm is conditionally defined. Provide accessor funtion that
is always available.
Signed-off-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cast __u64 to u64 to silence this warning on older distros, such as
Fedora 12:
CC /tmp/build/perf/util/scripting-engines/trace-event-perl.o
cc1: warnings being treated as errors
util/scripting-engines/trace-event-perl.c: In function ‘perl_process_tracepoint’:
util/scripting-engines/trace-event-perl.c:285: error: format ‘%lu’ expects type ‘long unsigned int’, but argument 2 has type ‘__u64’
make[1]: *** [/tmp/build/perf/util/scripting-engines/trace-event-perl.o] Error 1
make: *** [install] Error 2
make: Leaving directory `/home/acme/git/linux/tools/perf'
[acme@fedora12 linux]$
Reported-by: Waiman Long <Waiman.Long@hp.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tom.zanussi@linux.intel.com>
Cc: Waiman Long <Waiman.Long@hp.com>
Link: http://lkml.kernel.org/n/tip-nlxofdqcdjfm0w9o6bgq4kqv@git.kernel.org
Link: http://lkml.kernel.org/r/1381265120-58532-1-git-send-email-Waiman.Long@hp.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Here is one fix for the hotplug memory path that resolves a regression
when removing memory that showed up in 3.12-rc1.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is one fix for the hotplug memory path that resolves a regression
when removing memory that showed up in 3.12-rc1"
* tag 'driver-core-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: Release device_hotplug_lock when store_mem_state returns EINVAL
Here are some USB fixes and new device ids for 3.12-rc6
The largest change here is a bunch of new device ids for the option USB
serial driver for new Huawei devices. Other than that, just some small
bug fixes for issues that people have reported (run-time and
build-time), nothing major.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB fixes and new device ids for 3.12-rc6
The largest change here is a bunch of new device ids for the option
USB serial driver for new Huawei devices. Other than that, just some
small bug fixes for issues that people have reported (run-time and
build-time), nothing major"
* tag 'usb-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: usb_phy_gen: refine conditional declaration of usb_nop_xceiv_register
usb: misc: usb3503: Fix compile error due to incorrect regmap depedency
usb/chipidea: fix oops on memory allocation failure
usb-storage: add quirk for mandatory READ_CAPACITY_16
usb: serial: option: blacklist Olivetti Olicard200
USB: quirks: add touchscreen that is dazzeled by remote wakeup
Revert "usb: musb: gadget: fix otg active status flag"
USB: quirks.c: add one device that cannot deal with suspension
USB: serial: option: add support for Inovia SEW858 device
USB: serial: ti_usb_3410_5052: add Abbott strip port ID to combined table as well.
USB: support new huawei devices in option.c
usb: musb: start musb on the udc side, too
xhci: Fix spurious wakeups after S5 on Haswell
xhci: fix write to USB3_PSSEN and XUSB2PRM pci config registers
xhci: quirk for extra long delay for S4
xhci: Don't enable/disable RWE on bus suspend/resume.
Here are two serial driver fixes for your tree. One is a revert of a
patch that causes a build error, the other is a fix to provide the
correct brace placement which resolves a bug where the driver was not
working properly.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are two serial driver fixes for your tree. One is a revert of a
patch that causes a build error, the other is a fix to provide the
correct brace placement which resolves a bug where the driver was not
working properly"
* tag 'tty-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: vt8500: add missing braces
Revert "serial: i.MX: evaluate linux,stdout-path property"
Here are some small iio and w1 driver fixes for 3.12-rc6.
There is also a hyper-v fix in here, which turned out to be incorrect,
so it was reverted. That will probably have to wait unto 3.13-rc1 to
get accepted as it's still being discussed.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small iio and w1 driver fixes for 3.12-rc6.
There is also a hyper-v fix in here, which turned out to be incorrect,
so it was reverted. That will probably have to wait unto 3.13-rc1 to
get accepted as it's still being discussed"
* tag 'char-misc-3.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Revert "Drivers: hv: vmbus: Fix a bug in channel rescind code"
Drivers: hv: vmbus: Fix a bug in channel rescind code
iio:buffer: Free active scan mask in iio_disable_all_buffers()
iio: frequency: adf4350: add missing clk_disable_unprepare() on error in adf4350_probe()
w1 - call request_module with w1 master mutex unlocked
w1 - fix fops in w1_bus_notify
Nikita Kiryanov says:
====================
dm9000 improvements
This is a collection of improvements and bug fixes for dm9000, mostly
related to its startup and resume-from-suspend sequences.
Patch "Implement full reset of DM9000 network device" was submitted to the
linux-kernel mailing list but never applied.
An archive of the submission and the following conversation can be found here:
http://lkml.indiana.edu/hypermail/linux/kernel/1205.2/02817.html
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Report the LPA by checking mii_if_info, instead of just saying "no LPA" every
time.
Cc: David S. Miller <davem@davemloft.net>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
A Davicom application note for the DM9000 network device recommends
performing software reset twice to correctly initialise the device.
Without this reset some devices fail to initialise correctly on
system startup.
Cc: David S. Miller <davem@davemloft.net>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Michael Abbott <michael.abbott@diamond.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Take the phy out of reset explicitly during system resume to avoid
losing network connectivity.
Cc: David S. Miller <davem@davemloft.net>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some of the changes introduced in commit 6741f40 (DM9000B: driver
initialization upgrade) break functionality on DM9000A
(error message during NFS boot: "dm9000 dm9000.0: eth0: link down")
Since the changes were meant to serve only DM9000B, make them
dependent on the chip type.
Cc: David S. Miller <davem@davemloft.net>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
