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After submitting a GO_IDLE bundle, one must wait for GR to effectively
be idle before submitting the next bundle. Failure to do so may result
in undefined behavior in some rare cases.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reported-by: Kary Jin <karyj@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
When emitting the ICMD bundle, wait on the bottom half (bit 3 of the
GR_STATUS register) instead of upper half (bit 2) to make sure methods
are effectively emitted.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Kicking channels is part of their deactivation process. Maxwell chips
are particularly sensitive to this, and can start fetching the previous
pushbuffer of a recycled channel if this is not done.
While we are at it, improve the channel preemption code to only wait for
bit 20 of 0x002634 to turn to 0, as it is the bit indicating a
preempt is pending.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Increase clock timeout for SYS, FPB and GPC in order to avoid operation
failure at high gpcclk rate.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The lack of IOMMU API support can make nouveau_platform_probe_iommu()
fail to compile because struct iommu_ops is then empty. Fix this by
skipping IOMMU probe in that case - lack of IOMMU on platform devices
is sub-optimal, but is not an error.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The memory allocated for a nouveau_cli object in nouveau_cli_create() is
never freed. Free the memory in nouveau_cli_destroy() to plug this leak.
kmemleak recorded this after running a couple of nouveau test programs.
Note that kmemleak points at drm_open_helper() because for some reason
it thinks that skipping the first two stack frames is a good idea.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
When a switch is attached to the mdio bus, the mdio bus can be used
while the interface is not open. If the IPG clock is not enabled, MDIO
reads/writes will simply time out.
Add support for runtime PM to control this clock. Enable/disable this
clock using runtime PM, with open()/close() and mdio read()/write()
function triggering runtime PM operations. Since PM is optional, the
IPG clock is enabled at probe and is no longer modified by
fec_enet_clk_enable(), thus if PM is not enabled in the kernel, it is
guaranteed the clock is running when MDIO operations are performed.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Cc: tyler.baker@linaro.org
Cc: fabio.estevam@freescale.com
Cc: shawn.guo@linaro.org
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Toshiba Satellite S50D has another model with a different PCI SSID
(1179:fa93) while the previous fixup was for 1179:fa91. Adjust the
fixup entry with SND_PCI_QUIRK_MASK() to match with both devices.
Reported-by: Tim Sample <timsample@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch asserts SGMII RTRESET, i.e. resetting the SGMII Tx/Rx
logic, during network interface shutdown to avoid having the
hardware wedge when shutting down with high incoming traffic rates.
This is cleared (brought out of RTRESET) when the interface is
brought back up.
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fireworks uses TSB43CB43(IceLynx-Micro) as its IEC 61883-1/6 interface.
This chip includes ARM7 core, and loads and runs program. The firmware
is stored in on-board memory and loaded every powering-on.
Echo Audio ships several versions of firmwares for each model. These
firmwares have each quirk and the quirk changes a sequence of packets.
AudioFire2 has a quirk to transfer a first packet with non-zero in
its dbc field. This causes ALSA Fireworks driver to detect discontinuity.
As long as I investigated, firmware 5.7, 5.7.6 and 5.8 have this quirk.
This commit adds a support for the quirk to handle AudioFire2 packets.
For safe, CIP_SKIP_INIT_DBC_CHECK is applied to all versions of
AudioFire2's firmwares.
02 00050002 90ffffff <-
42 0005000a 90013000
42 00050012 90014400
42 0005001a 90015800
02 0005001a 90ffffff
42 00050022 90019000
42 0005002a 9001a400
42 00050032 9001b800
02 00050032 90ffffff
42 0005003a 9001d000
42 00050042 9001e400
42 0005004a 9001f800
02 0005004a 90ffffff
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Andy Shevchenko says:
====================
net/macb: fix for AVR32 and clean up
It seems no one had tested recently the driver on AVR32 platforms such as
ATNGW100. This series bring it back to work.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch coverts struct description to the kernel doc format. There is no
functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
macb_count_tx_descriptors() repeats the generic macro DIV_ROUND_UP(). The patch
does a replacement.
There is no functional change.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the following warnings:
drivers/net/ethernet/cadence/macb.c: In function ‘macb_handle_link_change’:
drivers/net/ethernet/cadence/macb.c:266: warning: comparison between signed and unsigned
drivers/net/ethernet/cadence/macb.c:267: warning: comparison between signed and unsigned
drivers/net/ethernet/cadence/macb.c:291: warning: comparison between signed and unsigned
drivers/net/ethernet/cadence/macb.c: In function ‘gem_update_stats’:
drivers/net/ethernet/cadence/macb.c:1908: warning: comparison between signed and unsigned
drivers/net/ethernet/cadence/macb.c: In function ‘gem_get_ethtool_strings’:
drivers/net/ethernet/cadence/macb.c:1988: warning: comparison between signed and unsigned
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To avoid messages like
macb macb.0 (unnamed net_device) (uninitialized): Cadence caps 0x00000000
macb macb.0 (unnamed net_device) (uninitialized): invalid hw address, using random
let's use dev_*() macros.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit 98b5a0f4a2 introduces jumbo frame support, but also it assumes
that macb_config present which is not always true.
The configuration without macb_config fails to boot.
Unable to handle kernel NULL pointer dereference at virtual address 00000010
ptbr = 90350000 pgd = 00000000
Oops: Kernel access of bad area, sig: 11 [#1]
FRAME_POINTER chip: 0x01f:0x1e82 rev 2
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.2.0-rc3-next-20150723+ #13
task: 91c26000 ti: 91c28000 task.ti: 91c28000
PC is at macb_probe+0x140/0x61c
Fixes: 98b5a0f4a2 (net: macb: Add support for jumbo frames)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit a50dad355a (net: macb: Add big endian CPU support) converted I/O
accessors to readl_relaxed() and writel_relaxed() and consequentially broke
MACB driver on AVR32 platforms such as ATNGW100.
This patch improves I/O access by checking endiannes first and use the
corresponding methods.
Fixes: a50dad355a (net: macb: Add big endian CPU support)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, tcp_recvmsg enters a busy loop in sk_wait_data if called
with flags = MSG_WAITALL | MSG_PEEK.
sk_wait_data waits for sk_receive_queue not empty, but in this case,
the receive queue is not empty, but does not contain any skb that we
can use.
Add a "last skb seen on receive queue" argument to sk_wait_data, so
that it sleeps until the receive queue has new skbs.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=99461
Link: https://sourceware.org/bugzilla/show_bug.cgi?id=18493
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1205258
Reported-by: Enrico Scholz <rh-bugzilla@ensc.de>
Reported-by: Dan Searle <dan@censornet.com>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hayes Wang says:
====================
r8152: issues fix
v2:
Replace patch #2 with "r8152: fix wakeup settings".
v1:
These patches are used to fix issues.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Adjust napi_disable() and napi_enable() to avoid r8152_poll() start
working before rx ready. Otherwise, it may have race condition for
rx_agg.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Avoid the driver to enable WOL if the device doesn't support it.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Disable U1/U2 during initialization.
- Disable lpm when linking is on, and enable it when linking is off.
- Disable U1/U2 when enabling runtime suspend.
It is possible to let hw stop working, if the U1/U2 request occurs
during some situations. The patch is used to avoid it.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since NULL is used as valid clock object on optional clocks we have to handle
this case in avr32 implementation as well.
Fixes: e1824dfe0d (net: macb: Adjust tx_clk when link speed changes)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Currently we assumed the following BPF to eBPF register mapping:
- BPF_REG_A -> BPF_REG_7
- BPF_REG_X -> BPF_REG_8
Unfortunately this mapping is wrong. The correct mapping is:
- BPF_REG_A -> BPF_REG_0
- BPF_REG_X -> BPF_REG_7
So clear the correct registers and use the BPF_REG_A and BPF_REG_X
macros instead of BPF_REG_0/7.
Fixes: 0546231057 ("s390/bpf: Add s390x eBPF JIT compiler backend")
Cc: stable@vger.kernel.org # 4.0+
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Johan Hedberg says:
====================
pull request: bluetooth 2015-07-23
Here's another one-patch pull request for 4.2 which targets a potential
NULL pointer dereference in the LE Security Manager code that can be
triggered by using older user space tools. The issue has been there
since 4.0 so there's the appropriate "Cc: stable" in place.
Let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This function frees resources and cancels delayed work item that
have been initialized in fec_ptp_init().
Use this to do proper error handling if something goes wrong in
probe function after fec_ptp_init has been called.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
So it gets freed when the device is going away.
This fixes a DMA memory leak on driver probe() fail and driver
remove().
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes: a3138df9 ("[NIU]: Add Sun Neptune ethernet driver.")
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Westphal says:
====================
inet: ip defrag bug fixes
Johan Schuijt and Frank Schreuder reported crash and softlockup after the
inet workqueue eviction change:
general protection fault: 0000 [#1] SMP
CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 3.18.18-transip-1.5 #1
Workqueue: events inet_frag_worker
task: ffff880224935130 ti: ffff880224938000 task.ti: ffff880224938000
RIP: 0010:[<ffffffff8149288c>] [<ffffffff8149288c>] inet_evict_bucket+0xfc/0x160
RSP: 0018:ffff88022493bd58 EFLAGS: 00010286
RAX: ffff88021f4f3e80 RBX: dead000000100100 RCX: 000000000000006b
RDX: 000000000000006c RSI: ffff88021f4f3e80 RDI: dead0000001000a8
RBP: 0000000000000002 R08: ffff880222273900 R09: ffff880036e49200
R10: ffff8800c6e86500 R11: ffff880036f45500 R12: ffffffff81a87100
R13: ffff88022493bd70 R14: 0000000000000000 R15: ffff8800c9b26280
[..]
Call Trace:
[<ffffffff814929e0>] ? inet_frag_worker+0x60/0x210
[<ffffffff8107e3a2>] ? process_one_work+0x142/0x3b0
[<ffffffff8107eb94>] ? worker_thread+0x114/0x440
[..]
A second issue results in softlockup since the evictor may restart the
eviction loop for a (potentially) unlimited number of times while local
softirqs are disabled.
Frank reports that test system remained stable for 14 hours of testing
(before, crash occured within half an hour in their setup).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We can simply remove the INET_FRAG_EVICTED flag to avoid all the flags
race conditions with the evictor and use a participation test for the
evictor list, when we're at that point (after inet_frag_kill) in the
timer there're 2 possible cases:
1. The evictor added the entry to its evictor list while the timer was
waiting for the chainlock
or
2. The timer unchained the entry and the evictor won't see it
In both cases we should be able to see list_evictor correctly due
to the sync on the chainlock.
Joint work with Florian Westphal.
Tested-by: Frank Schreuder <fschreuder@transip.nl>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Frank reports 'NMI watchdog: BUG: soft lockup' errors when
load is high. Instead of (potentially) unbounded restarts of the
eviction process, just skip to the next entry.
One caveat is that, when a netns is exiting, a timer may still be running
by the time inet_evict_bucket returns.
We use the frag memory accounting to wait for outstanding timers,
so that when we free the percpu counter we can be sure no running
timer will trip over it.
Reported-and-tested-by: Frank Schreuder <fschreuder@transip.nl>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Followup patch will call it after inet_frag_queue was freed, so q->net
doesn't work anymore (but netf = q->net; free(q); mem_limit(netf) would).
Tested-by: Frank Schreuder <fschreuder@transip.nl>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 65ba1f1ec0 ("inet: frags: fix a race between inet_evict_bucket
and inet_frag_kill") describes the bug, but the fix doesn't work reliably.
Problem is that ->flags member can be set on other cpu without chainlock
being held by that task, i.e. the RMW-Cycle can clear INET_FRAG_EVICTED
bit after we put the element on the evictor private list.
We can crash when walking the 'private' evictor list since an element can
be deleted from list underneath the evictor.
Join work with Nikolay Alexandrov.
Fixes: b13d3cbfb8 ("inet: frag: move eviction of queues to work queue")
Reported-by: Johan Schuijt <johan@transip.nl>
Tested-by: Frank Schreuder <fschreuder@transip.nl>
Signed-off-by: Nikolay Alexandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Scaling for Knights Landing is same as the default scaling (100000).
When Knigts Landing support was added to the pstate driver, this
parameter was omitted resulting in a kernel panic during boot.
Fixes: b34ef932d7 (intel_pstate: Knights Landing support)
Reported-by: Yasuaki Ishimatsu <yishimat@redhat.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Lukasz Anaczkowski <lukasz.anaczkowski@intel.com>
Acked-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Cc: 4.1+ <stable@vger.kernel.org> # 4.1+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Back then when we added support for SCTP_SNDINFO/SCTP_RCVINFO from
RFC6458 5.3.4/5.3.5, we decided to add a deprecation warning for the
(as per RFC deprecated) SCTP_SNDRCV via commit bbbea41d5e ("net:
sctp: deprecate rfc6458, 5.3.2. SCTP_SNDRCV support"), see [1].
Imho, it was not a good idea, and we should just revert that message
for a couple of reasons:
1) It's uapi and therefore set in stone forever.
2) To be able to run on older and newer kernels, an SCTP application
would need to probe for both, SCTP_SNDRCV, but also SCTP_SNDINFO/
SCTP_RCVINFO support, so that on older kernels, it can make use
of SCTP_SNDRCV, and on newer kernels SCTP_SNDINFO/SCTP_RCVINFO.
In my (limited) experience, a lot of SCTP appliances are migrating
to newer kernels only ve(ee)ry slowly.
3) Some people don't have the chance to change their applications,
f.e. due to proprietary legacy stuff. So, they'll hit this warning
in fast path and are stuck with older kernels.
But i.e. due to point 1) I really fail to see the benefit of a warning.
So just revert that for now, the issue was reported up Jamal.
[1] http://thread.gmane.org/gmane.linux.network/321960/
Reported-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Michael Tuexen <tuexen@fh-muenster.de>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Or Gerlitz says:
====================
mlx4 driver fixes, July 22nd 2015
Just few mlx4 fixes.. the fix related to propagating port state
changes to VF should go to -stable of >= 3.11, all the rest just
to 4.2-rc
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In mlx4_en_is_ring_empty we check if ring surpassed its size.
Since the prod and cons indicators are u32, there might be a state where
prod wrapped around and cons, making this assert false, although no
actual bug exists (other code segment can cope with this state).
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a port is not attached, the FW requires a longer than usual time to
execute the SENSE_PORT command. In the command flow, the
wait_for_completion_timeout call used in mlx4_cmd_wait puts the kernel
thread into the uninterruptible state during this time. This, in turn,
due to the computation method, causes the CPU load average to increase.
Fix this by using wait_for_completion_interruptible_timeout() for the
SENSE_PORT command, which puts the thread in the interruptible state.
In this state, the thread does not contribute to the CPU load average.
Treat the interrupted case as if the SENSE_PORT command returned
port_type = NONE.
Fix suggested by Gideon Naim <gideonn@mellanox.com> and
Bart Van Assche <bart.vanassche@sandisk.com>.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The port-change event processing in procedure mlx4_eq_int() uses "slave"
as the vf_oper array index. Since the value of "slave" is the PF function
index, the result is that the PF link state is used for deciding to
propagate the event for all the VFs. The VF link state should be used,
so the VF function index should be used here.
Fixes: 948e306d7d ('net/mlx4: Add VF link state support')
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some old PF drivers don't let VFs allocate counters, in that case, use
the sink counter so the VF can load and operate properly.
Fixes: 6de5f7f6a1 ('net/mlx4_core: Allocate default counter per port')
Reported-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since slave_changelink support was added there have been a few race
conditions when using br_setport() since some of the port functions it
uses require the bridge lock. It is very easy to trigger a lockup due to
some internal spin_lock() usage without bh disabled, also it's possible to
get the bridge into an inconsistent state.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: 3ac636b859 ("bridge: implement rtnl_link_ops->slave_changelink")
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
The UART0 is not used on these boards, yet active and blocking
other use. Fix this by disabling UART0 and setting port aliases
to maintain port enumeration to userspace.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Two fixes against v4.2-rc1. The first, for DRA7xx platforms,
corrects some incorrect GPMC hardware description data. The
second one will ensure that the hwmod code will wait for any
module with CPU-accessible registers to become ready before
attempting to access it.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.2-rc/20150723065408/
Note that I do not have a DRA7xx or AM43xx board, and therefore
cannot test on those platforms.
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Merge tag 'for-v4.2-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes
Merge "ARM: OMAP2+: hwmod fixes for v4.2-rc" from Paul Walmsley:
ARM: OMAP2+: hwmod fixes for v4.2-rc
Two fixes against v4.2-rc1. The first, for DRA7xx platforms,
corrects some incorrect GPMC hardware description data. The
second one will ensure that the hwmod code will wait for any
module with CPU-accessible registers to become ready before
attempting to access it.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.2-rc/20150723065408/
Note that I do not have a DRA7xx or AM43xx board, and therefore
cannot test on those platforms.
* tag 'for-v4.2-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
ARM: OMAP2+: hwmod: Fix _wait_target_ready() for hwmods without sysc
ARM: DRA7: hwmod: fix gpmc hwmod
Signed-off-by: Olof Johansson <olof@lixom.net>
Pull perf fix from Thomas Gleixner:
"A single fix for the intel cqm perf facility to prevent IPIs from
interrupt context"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/cqm: Return cached counter value from IRQ context
Pull x86 fixes from Thomas Gleixner:
"This update contains:
- the manual revert of the SYSCALL32 changes which caused a
regression
- a fix for the MPX vma handling
- three fixes for the ioremap 'is ram' checks.
- PAT warning fixes
- a trivial fix for the size calculation of TLB tracepoints
- handle old EFI structures gracefully
This also contains a PAT fix from Jan plus a revert thereof. Toshi
explained why the code is correct"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/pat: Revert 'Adjust default caching mode translation tables'
x86/asm/entry/32: Revert 'Do not use R9 in SYSCALL32' commit
x86/mm: Fix newly introduced printk format warnings
mm: Fix bugs in region_is_ram()
x86/mm: Remove region_is_ram() call from ioremap
x86/mm: Move warning from __ioremap_check_ram() to the call site
x86/mm/pat, drivers/media/ivtv: Move the PAT warning and replace WARN() with pr_warn()
x86/mm/pat, drivers/infiniband/ipath: Replace WARN() with pr_warn()
x86/mm/pat: Adjust default caching mode translation tables
x86/fpu: Disable dependent CPU features on "noxsave"
x86/mpx: Do not set ->vm_ops on MPX VMAs
x86/mm: Add parenthesis for TLB tracepoint size calculation
efi: Handle memory error structures produced based on old versions of standard
