linux-dmdedup.git
11 years agotools/liblockdep: Account for bitfield changes in lockdeps lock_acquire
S. Lockwood-Childs [Mon, 7 Jul 2014 07:17:33 +0000 (00:17 -0700)]
tools/liblockdep: Account for bitfield changes in lockdeps lock_acquire

Commit fb9edbe984 shortened held_lock->check from a 2-bit field
to a 1-bit field.

Make liblockdep compatible with the new definition by passing check=1
to lock_acquire() calls, rather than the old value check=2 (which
inadvertently disabled checks by overflowing to 0).

Without this fix, several of the test cases in liblockdep run_tests.sh
were failing.

Signed-off-by: S. Lockwood-Childs <sjl@vctlabs.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
11 years agotools/liblockdep: Remove debug print left over from development
Sasha Levin [Mon, 7 Jul 2014 16:14:27 +0000 (12:14 -0400)]
tools/liblockdep: Remove debug print left over from development

Remove a debug print in init_preload() which was left over from
development and isn't usefull at all currently. It was also causing
false positive test results.

Reported-by: S. Lockwood-Childs <sjl@vctlabs.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
11 years agotools/liblockdep: Fix comparison of a boolean value with a value of 2
zhangdianfang [Fri, 30 May 2014 00:37:28 +0000 (08:37 +0800)]
tools/liblockdep: Fix comparison of a boolean value with a value of 2

Comparison of a boolean value (!__init_state) with a value of 2 (done)
as currently happens in the code is unlikely to succeed and causes
repeated initialization of the pthread function pointers.

Instead, remove boolean comparison so that we would initialize said
function pointers only once.

Ref: https://bugzilla.kernel.org/show_bug.cgi?id=76741
Cc: Jean Delvare <jdelvare@suse.de>
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Dianfang Zhang <zhangdianfang@huawei.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
11 years agohwmon: (emc2103) Clamp limits instead of bailing out
Guenter Roeck [Sun, 6 Jul 2014 18:39:24 +0000 (11:39 -0700)]
hwmon: (emc2103) Clamp limits instead of bailing out

It is customary to clamp limits instead of bailing out with an error
if a configured limit is out of the range supported by the driver.
This simplifies limit configuration, since the user will not typically
know chip and/or driver specific limits.

Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
11 years agoworkqueue: zero cpumask of wq_numa_possible_cpumask on init
Yasuaki Ishimatsu [Mon, 7 Jul 2014 13:56:48 +0000 (09:56 -0400)]
workqueue: zero cpumask of wq_numa_possible_cpumask on init

When hot-adding and onlining CPU, kernel panic occurs, showing following
call trace.

  BUG: unable to handle kernel paging request at 0000000000001d08
  IP: [<ffffffff8114acfd>] __alloc_pages_nodemask+0x9d/0xb10
  PGD 0
  Oops: 0000 [#1] SMP
  ...
  Call Trace:
   [<ffffffff812b8745>] ? cpumask_next_and+0x35/0x50
   [<ffffffff810a3283>] ? find_busiest_group+0x113/0x8f0
   [<ffffffff81193bc9>] ? deactivate_slab+0x349/0x3c0
   [<ffffffff811926f1>] new_slab+0x91/0x300
   [<ffffffff815de95a>] __slab_alloc+0x2bb/0x482
   [<ffffffff8105bc1c>] ? copy_process.part.25+0xfc/0x14c0
   [<ffffffff810a3c78>] ? load_balance+0x218/0x890
   [<ffffffff8101a679>] ? sched_clock+0x9/0x10
   [<ffffffff81105ba9>] ? trace_clock_local+0x9/0x10
   [<ffffffff81193d1c>] kmem_cache_alloc_node+0x8c/0x200
   [<ffffffff8105bc1c>] copy_process.part.25+0xfc/0x14c0
   [<ffffffff81114d0d>] ? trace_buffer_unlock_commit+0x4d/0x60
   [<ffffffff81085a80>] ? kthread_create_on_node+0x140/0x140
   [<ffffffff8105d0ec>] do_fork+0xbc/0x360
   [<ffffffff8105d3b6>] kernel_thread+0x26/0x30
   [<ffffffff81086652>] kthreadd+0x2c2/0x300
   [<ffffffff81086390>] ? kthread_create_on_cpu+0x60/0x60
   [<ffffffff815f20ec>] ret_from_fork+0x7c/0xb0
   [<ffffffff81086390>] ? kthread_create_on_cpu+0x60/0x60

In my investigation, I found the root cause is wq_numa_possible_cpumask.
All entries of wq_numa_possible_cpumask is allocated by
alloc_cpumask_var_node(). And these entries are used without initializing.
So these entries have wrong value.

When hot-adding and onlining CPU, wq_update_unbound_numa() is called.
wq_update_unbound_numa() calls alloc_unbound_pwq(). And alloc_unbound_pwq()
calls get_unbound_pool(). In get_unbound_pool(), worker_pool->node is set
as follow:

3592         /* if cpumask is contained inside a NUMA node, we belong to that node */
3593         if (wq_numa_enabled) {
3594                 for_each_node(node) {
3595                         if (cpumask_subset(pool->attrs->cpumask,
3596                                            wq_numa_possible_cpumask[node])) {
3597                                 pool->node = node;
3598                                 break;
3599                         }
3600                 }
3601         }

But wq_numa_possible_cpumask[node] does not have correct cpumask. So, wrong
node is selected. As a result, kernel panic occurs.

By this patch, all entries of wq_numa_possible_cpumask are allocated by
zalloc_cpumask_var_node to initialize them. And the panic disappeared.

Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
Fixes: bce903809ab3 ("workqueue: add wq_numa_tbl_len and wq_numa_possible_cpumask[]")
11 years agoHID: use multi input quirk for 22b9:2968
Wen-chien Jesse Sung [Wed, 2 Jul 2014 13:06:59 +0000 (21:06 +0800)]
HID: use multi input quirk for 22b9:2968

This device generates ABS_Z and ABS_RX events instead of ABS_X and
ABS_Y.

Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
11 years agofuse: avoid scheduling while atomic
Miklos Szeredi [Mon, 7 Jul 2014 13:28:51 +0000 (15:28 +0200)]
fuse: avoid scheduling while atomic

As reported by Richard Sharpe, an attempt to use fuse_notify_inval_entry()
triggers complains about scheduling while atomic:

  BUG: scheduling while atomic: fuse.hf/13976/0x10000001

This happens because fuse_notify_inval_entry() attempts to allocate memory
with GFP_KERNEL, holding "struct fuse_copy_state" mapped by kmap_atomic().

Introduced by commit 58bda1da4b3c "fuse/dev: use atomic maps"

Fix by moving the map/unmap to just cover the actual memcpy operation.

Original patch from Maxim Patlasov <mpatlasov@parallels.com>

Reported-by: Richard Sharpe <realrichardsharpe@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: <stable@vger.kernel.org> # v3.15+
11 years agofuse: handle large user and group ID
Miklos Szeredi [Mon, 7 Jul 2014 13:28:51 +0000 (15:28 +0200)]
fuse: handle large user and group ID

If the number in "user_id=N" or "group_id=N" mount options was larger than
INT_MAX then fuse returned EINVAL.

Fix this to handle all valid uid/gid values.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: stable@vger.kernel.org
11 years agofuse: inode: drop cast
Himangi Saraogi [Thu, 26 Jun 2014 17:36:52 +0000 (23:06 +0530)]
fuse: inode: drop cast

This patch removes the cast on data of type void * as it is not needed.
The following Coccinelle semantic patch was used for making the change:

@r@
expression x;
void* e;
type T;
identifier f;
@@

(
  *((T *)e)
|
  ((T *)x)[...]
|
  ((T *)x)->f
|
- (T *)
  e
)

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
11 years agofuse: ignore entry-timeout on LOOKUP_REVAL
Anand Avati [Fri, 27 Jun 2014 00:21:57 +0000 (20:21 -0400)]
fuse: ignore entry-timeout on LOOKUP_REVAL

The following test case demonstrates the bug:

  sh# mount -t glusterfs localhost:meta-test /mnt/one

  sh# mount -t glusterfs localhost:meta-test /mnt/two

  sh# echo stuff > /mnt/one/file; rm -f /mnt/two/file; echo stuff > /mnt/one/file
  bash: /mnt/one/file: Stale file handle

  sh# echo stuff > /mnt/one/file; rm -f /mnt/two/file; sleep 1; echo stuff > /mnt/one/file

On the second open() on /mnt/one, FUSE would have used the old
nodeid (file handle) trying to re-open it. Gluster is returning
-ESTALE. The ESTALE propagates back to namei.c:filename_lookup()
where lookup is re-attempted with LOOKUP_REVAL. The right
behavior now, would be for FUSE to ignore the entry-timeout and
and do the up-call revalidation. Instead FUSE is ignoring
LOOKUP_REVAL, succeeding the revalidation (because entry-timeout
has not passed), and open() is again retried on the old file
handle and finally the ESTALE is going back to the application.

Fix: if revalidation is happening with LOOKUP_REVAL, then ignore
entry-timeout and always do the up-call.

Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: stable@vger.kernel.org
11 years agofuse: timeout comparison fix
Miklos Szeredi [Mon, 7 Jul 2014 13:28:50 +0000 (15:28 +0200)]
fuse: timeout comparison fix

As suggested by checkpatch.pl, use time_before64() instead of direct
comparison of jiffies64 values.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: <stable@vger.kernel.org>
11 years agoALSA: hda: Fix build warning
Thierry Reding [Mon, 7 Jul 2014 13:13:12 +0000 (15:13 +0200)]
ALSA: hda: Fix build warning

The hda_tegra_disable_clocks() function is only used by the suspend and
resume code, so it needs to be included in the #ifdef CONFIG_PM_SLEEP
block to prevent the following warning:

  CC      sound/pci/hda/hda_tegra.o
sound/pci/hda/hda_tegra.c:238:13: warning: 'hda_tegra_disable_clocks' defined but not used [-Wunused-function]
 static void hda_tegra_disable_clocks(struct hda_tegra *data)
             ^

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
11 years agohwmon: (adm1031) Fix writes to limit registers
Guenter Roeck [Thu, 3 Jul 2014 20:44:23 +0000 (13:44 -0700)]
hwmon: (adm1031) Fix writes to limit registers

Upper limit for write operations to temperature limit registers
was clamped to a fractional value. However, limit registers do
not support fractional values. As a result, upper limits of 127.5
degrees C or higher resulted in a rounded limit of 128 degrees C.
Since limit registers are signed, this was stored as -128 degrees C.
Clamp limits to (-55, +127) degrees C to solve the problem.

Value on writes to auto_temp[12]_min and auto_temp[12]_max were not
clamped at all, but masked. As a result, out-of-range writes resulted
in a more or less arbitrary limit. Clamp those attributes to (0, 127)
degrees C for more predictable results.

Cc: Axel Lin <axel.lin@ingics.com>
Cc: stable@vger.kernel.org
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
11 years agoMerge branch 'for-v3.16-rc/clk-dt-fixes' of https://github.com/t-kristo/linux-pm...
Tony Lindgren [Mon, 7 Jul 2014 12:05:42 +0000 (05:05 -0700)]
Merge branch 'for-v3.16-rc/clk-dt-fixes' of https://github.com/t-kristo/linux-pm into fixes-rc4

11 years agoARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA.
Enric Balletbo i Serra [Wed, 25 Jun 2014 11:42:05 +0000 (13:42 +0200)]
ARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA.

As this board use external clock for RMII interface we should specify 'rmii'
phy mode and 'rmii-clock-ext' to make ethernet working.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: am335x-evmsk: Enable the McASP FIFO for audio
Peter Ujfalusi [Thu, 3 Jul 2014 09:51:23 +0000 (12:51 +0300)]
ARM: dts: am335x-evmsk: Enable the McASP FIFO for audio

The use of FIFO in McASP can reduce the risk of audio under/overrun and
lowers the load on the memories since the DMA will operate in bursts.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: am335x-evm: Enable the McASP FIFO for audio
Peter Ujfalusi [Thu, 3 Jul 2014 09:51:22 +0000 (12:51 +0300)]
ARM: dts: am335x-evm: Enable the McASP FIFO for audio

The use of FIFO in McASP can reduce the risk of audio under/overrun and
lowers the load on the memories since the DMA will operate in bursts.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: Make GPMC skip disabled devices
Guido Martínez [Wed, 2 Jul 2014 13:35:18 +0000 (10:35 -0300)]
ARM: OMAP2+: Make GPMC skip disabled devices

Currently, child nodes of the gpmc node are iterated and probed
regardless of their 'status' property. This means adding 'status =
"disabled";' has no effect.

This patch changes the iteration to only probe nodes marked as
available.

Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: OMAP2+: create dsp device only on OMAP3 SoCs
Suman Anna [Tue, 24 Jun 2014 05:24:27 +0000 (00:24 -0500)]
ARM: OMAP2+: create dsp device only on OMAP3 SoCs

The DSP platform device for TI DSP/Bridge is currently
created unconditionally whenever CONFIG_TIDSPBRIDGE is
enabled. This device should only be created on OMAP34xx/
OMAP36xx SoCs, and not for other OMAP3 derived SoCs or when
booting multi-arch images on other SoCs. So, add a check for
the SoC family both before creating the device and allocating
the carveout memory for the device.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always on
Roger Quadros [Fri, 4 Jul 2014 09:55:43 +0000 (12:55 +0300)]
ARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always on

After clarification from the hardware team it was found that
this 1.8V PHY supply can't be switched OFF when SoC is Active.

Since the PHY IPs don't contain isolation logic built in the design to
allow the power rail to be switched off, there is a very high risk
of IP reliability and additional leakage paths which can result in
additional power consumption.

The only scenario where this rail can be switched off is part of Power on
reset sequencing, but it needs to be kept always-on during operation.

This patch is required for proper functionality of USB, SATA
and PCIe on DRA7-evm.

CC: Rajendra Nayak <rnayak@ti.com>
CC: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoARM: DRA7/AM43XX: fix header definition for omap44xx_restart
Nishanth Menon [Fri, 16 May 2014 22:36:09 +0000 (17:36 -0500)]
ARM: DRA7/AM43XX: fix header definition for omap44xx_restart

omap44xx_restart is defined as a static void inline when DRA7/AM437X is
defined alone, which implies that the restart function is no longer
functional even though it is built in. So, fix the definition of the
same.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
11 years agoACPI / battery: Retry to get battery information if failed during probing
Lan Tianyu [Mon, 7 Jul 2014 07:47:12 +0000 (15:47 +0800)]
ACPI / battery: Retry to get battery information if failed during probing

Some machines (eg. Lenovo Z480) ECs are not stable during boot up
and causes battery driver fails to be loaded due to failure of getting
battery information from EC sometimes. After several retries, the
operation will work. This patch is to retry to get battery information 5
times if the first try fails.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=75581
Reported-and-tested-by: naszar <naszar@ya.ru>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoACPI / EC: Free saved_ec on error exit path
Colin Ian King [Wed, 2 Jul 2014 23:35:09 +0000 (00:35 +0100)]
ACPI / EC: Free saved_ec on error exit path

Smatch detected two memory leaks on saved_ec:

drivers/acpi/ec.c:1070 acpi_ec_ecdt_probe() warn: possible
  memory leak of 'saved_ec'
drivers/acpi/ec.c:1109 acpi_ec_ecdt_probe() warn: possible
  memory leak of 'saved_ec'

Free saved_ec on these two error exit paths to stop the memory
leak.  Note that saved_ec maybe null, but kfree on null is allowed.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoACPI / EC: Add detailed fields debugging support of EC_SC(R).
Lv Zheng [Sun, 15 Jun 2014 00:42:42 +0000 (08:42 +0800)]
ACPI / EC: Add detailed fields debugging support of EC_SC(R).

Developers really don't need to translate EC_SC(R) in mind as long as the
field details are decoded in the debugging message.

Tested-by: Gareth Williams <gareth@garethwilliams.me.uk>
Tested-by: Steffen Weber <steffen.weber@gmail.com>
Tested-by: Hans de Goede <jwrdegoede@fedoraproject.org>
Tested-by: Arthur Chen <axchen@nvidia.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoACPI / EC: Update revision due to recent changes
Lv Zheng [Sun, 15 Jun 2014 00:42:19 +0000 (08:42 +0800)]
ACPI / EC: Update revision due to recent changes

The bug fixes and asynchronous improvements have been done to the EC driver
by the previous commits. This patch increases the revision to 2.2 to
indicate the behavior differences between the old and the new drivers. The
copyright/authorship notices are also updated.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoACPI / EC: Fix race condition in ec_transaction_completed()
Lv Zheng [Sun, 15 Jun 2014 00:42:07 +0000 (08:42 +0800)]
ACPI / EC: Fix race condition in ec_transaction_completed()

There is a race condition in ec_transaction_completed().

When ec_transaction_completed() is called in the GPE handler, it could
return true because of (ec->curr == NULL). Then the wake_up() invocation
could complete the next command unexpectedly since there is no lock between
the 2 invocations. With the previous cleanup, the IBF=0 waiter race need
not be handled any more. It's now safe to return a flag from
advance_condition() to indicate the requirement of wakeup, the flag is
returned from a locked context.

The ec_transaction_completed() is now only invoked by the ec_poll() where
the ec->curr is ensured to be different from NULL.

After cleaning up, the EVT_SCI=1 check should be moved out of the wakeup
condition so that an EVT_SCI raised with (ec->curr == NULL) can trigger a
QR_SC command.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=70891
Link: https://bugzilla.kernel.org/show_bug.cgi?id=63931
Link: https://bugzilla.kernel.org/show_bug.cgi?id=59911
Reported-and-tested-by: Gareth Williams <gareth@garethwilliams.me.uk>
Reported-and-tested-by: Hans de Goede <jwrdegoede@fedoraproject.org>
Reported-by: Barton Xu <tank.xuhan@gmail.com>
Tested-by: Steffen Weber <steffen.weber@gmail.com>
Tested-by: Arthur Chen <axchen@nvidia.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoACPI / EC: Remove duplicated ec_wait_ibf0() waiter
Lv Zheng [Sun, 15 Jun 2014 00:41:48 +0000 (08:41 +0800)]
ACPI / EC: Remove duplicated ec_wait_ibf0() waiter

After we've added the first command byte write into advance_transaction(),
the IBF=0 waiter is duplicated with the command completion waiter
implemented in the ec_poll() because:
   If IBF=1 blocked the first command byte write invoked in the task
   context ec_poll(), it would be kicked off upon IBF=0 interrupt or timed
   out and retried again in the task context.

Remove this seperate and duplicate IBF=0 waiter.  By doing so we can
reduce the overall number of times to access the EC_SC(R) status
register.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=70891
Link: https://bugzilla.kernel.org/show_bug.cgi?id=63931
Link: https://bugzilla.kernel.org/show_bug.cgi?id=59911
Reported-and-tested-by: Gareth Williams <gareth@garethwilliams.me.uk>
Reported-and-tested-by: Hans de Goede <jwrdegoede@fedoraproject.org>
Reported-by: Barton Xu <tank.xuhan@gmail.com>
Tested-by: Steffen Weber <steffen.weber@gmail.com>
Tested-by: Arthur Chen <axchen@nvidia.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoACPI / EC: Add asynchronous command byte write support
Lv Zheng [Sun, 15 Jun 2014 00:41:35 +0000 (08:41 +0800)]
ACPI / EC: Add asynchronous command byte write support

Move the first command byte write into advance_transaction() so that all
EC register accesses that can affect the command processing state machine
can happen in this asynchronous state machine advancement function.

The advance_transaction() function then can be a complete implementation
of an asyncrhonous transaction for a single command so that:
 1. The first command byte can be written in the interrupt context;
 2. The command completion waiter can also be used to wait the first command
    byte's timeout;
 3. In BURST mode, the follow-up command bytes can be written in the
    interrupt context directly, so that it doesn't need to return to the
    task context. Returning to the task context reduces the throughput of
    the BURST mode and in the worst cases where the system workload is very
    high, this leads to the hardware driven automatic BURST mode exit.

In order not to increase memory consumption, convert 'done' into 'flags'
to contain multiple indications:
 1. ACPI_EC_COMMAND_COMPLETE: converting from original 'done' condition,
    indicating the completion of the command transaction.
 2. ACPI_EC_COMMAND_POLL: indicating the availability of writing the first
    command byte. A new command can utilize this flag to compete for the
    right of accessing the underlying hardware. There is a follow-up bug
    fix that has utilized this new flag.

The 2 flags are important because it also reflects a key concept of IO
programs' design used in the system softwares. Normally an IO program
running in the kernel should first be implemented in the asynchronous way.
And the 2 flags are the most common way to implement its synchronous
operations on top of the asynchronous operations:
1. POLL: This flag can be used to block until the asynchronous operations
         can happen.
2. COMPLETE: This flag can be used to block until the asynchronous
             operations have completed.
By constructing code cleanly in this way, many difficult problems can be
solved smoothly.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=70891
Link: https://bugzilla.kernel.org/show_bug.cgi?id=63931
Link: https://bugzilla.kernel.org/show_bug.cgi?id=59911
Reported-and-tested-by: Gareth Williams <gareth@garethwilliams.me.uk>
Reported-and-tested-by: Hans de Goede <jwrdegoede@fedoraproject.org>
Reported-by: Barton Xu <tank.xuhan@gmail.com>
Tested-by: Steffen Weber <steffen.weber@gmail.com>
Tested-by: Arthur Chen <axchen@nvidia.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoACPI / EC: Avoid race condition related to advance_transaction()
Lv Zheng [Sun, 15 Jun 2014 00:41:17 +0000 (08:41 +0800)]
ACPI / EC: Avoid race condition related to advance_transaction()

The advance_transaction() will be invoked from the IRQ context GPE handler
and the task context ec_poll(). The handling of this function is locked so
that the EC state machine are ensured to be advanced sequentially.

But there is a problem. Before invoking advance_transaction(), EC_SC(R) is
read. Then for advance_transaction(), there could be race condition around
the lock from both contexts. The first one reading the register could fail
this race and when it passes the stale register value to the state machine
advancement code, the hardware condition is totally different from when
the register is read. And the hardware accesses determined from the wrong
hardware status can break the EC state machine. And there could be cases
that the functionalities of the platform firmware are seriously affected.
For example:
 1. When 2 EC_DATA(W) writes compete the IBF=0, the 2nd EC_DATA(W) write may
    be invalid due to IBF=1 after the 1st EC_DATA(W) write. Then the
    hardware will either refuse to respond a next EC_SC(W) write of the next
    command or discard the current WR_EC command when it receives a EC_SC(W)
    write of the next command.
 2. When 1 EC_SC(W) write and 1 EC_DATA(W) write compete the IBF=0, the
    EC_DATA(W) write may be invalid due to IBF=1 after the EC_SC(W) write.
    The next EC_DATA(R) could never be responded by the hardware. This is
    the root cause of the reported issue.

Fix this issue by moving the EC_SC(R) access into the lock so that we can
ensure that the state machine is advanced consistently.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=70891
Link: https://bugzilla.kernel.org/show_bug.cgi?id=63931
Link: https://bugzilla.kernel.org/show_bug.cgi?id=59911
Reported-and-tested-by: Gareth Williams <gareth@garethwilliams.me.uk>
Reported-and-tested-by: Hans de Goede <jwrdegoede@fedoraproject.org>
Reported-by: Barton Xu <tank.xuhan@gmail.com>
Tested-by: Steffen Weber <steffen.weber@gmail.com>
Tested-by: Arthur Chen <axchen@nvidia.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoRevert "mac80211: move "bufferable MMPDU" check to fix AP mode scan"
Johannes Berg [Mon, 7 Jul 2014 10:01:11 +0000 (12:01 +0200)]
Revert "mac80211: move "bufferable MMPDU" check to fix AP mode scan"

This reverts commit 277d916fc2e959c3f106904116bb4f7b1148d47a as it was
at least breaking iwlwifi by setting the IEEE80211_TX_CTL_NO_PS_BUFFER
flag in all kinds of interface modes, not only for AP mode where it is
appropriate.

To avoid reintroducing the original problem, explicitly check for probe
request frames in the multicast buffering code.

Cc: stable@vger.kernel.org
Fixes: 277d916fc2e9 ("mac80211: move "bufferable MMPDU" check to fix AP mode scan")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
11 years agoKVM: PPC: Book3S PR: Fix ABIv2 on LE
Alexander Graf [Mon, 16 Jun 2014 12:37:53 +0000 (14:37 +0200)]
KVM: PPC: Book3S PR: Fix ABIv2 on LE

We switched to ABIv2 on Little Endian systems now which gets rid of the
dotted function names. Branch to the actual functions when we see such
a system.

Signed-off-by: Alexander Graf <agraf@suse.de>
11 years agoKVM: PPC: Assembly functions exported to modules need _GLOBAL_TOC()
Anton Blanchard [Thu, 12 Jun 2014 08:16:53 +0000 (18:16 +1000)]
KVM: PPC: Assembly functions exported to modules need _GLOBAL_TOC()

Both kvmppc_hv_entry_trampoline and kvmppc_entry_trampoline are
assembly functions that are exported to modules and also require
a valid r2.

As such we need to use _GLOBAL_TOC so we provide a global entry
point that establishes the TOC (r2).

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
11 years agoclk: sunxi: Fix gate indexing for sun6i-a31-apb0-gates
Chen-Yu Tsai [Thu, 3 Jul 2014 14:55:42 +0000 (22:55 +0800)]
clk: sunxi: Fix gate indexing for sun6i-a31-apb0-gates

sun6i-a31-apb0-gates supports using clock-indices for holes between
individual gates. However, the driver passes the number of gates
registered in clk_data->clk_num, which of_clk_src_onecell_get uses
to recognize the range of valid indices a consumer can use.

This patch makes the driver pass the maximum gate index + 1, so
of_clk_src_onecell_get does not complain about indices greater
than gates registered.

This was tested on the A23 SoC, which has a similar APB0 clock,
but has holes for gates to removed IP blocks.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
11 years agoclk: sunxi: Add A23 APB0 divider clock support
Chen-Yu Tsai [Thu, 3 Jul 2014 14:55:41 +0000 (22:55 +0800)]
clk: sunxi: Add A23 APB0 divider clock support

The A23 has an almost identical PRCM clock tree. The difference in
the APB0 clock is the smallest divisor is 1, instead of 2.

This patch adds a separate sun8i-a23-apb0-clk driver to support it.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
11 years agousb: option: Add ID for Telewell TW-LTE 4G v2
Bernd Wachter [Wed, 2 Jul 2014 09:36:48 +0000 (12:36 +0300)]
usb: option: Add ID for Telewell TW-LTE 4G v2

Add ID of the Telewell 4G v2 hardware to option driver to get legacy
serial interface working

Signed-off-by: Bernd Wachter <bernd.wachter@jolla.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
11 years agoiommu/fsl: Fix the error condition during iommu group
Varun Sethi [Tue, 24 Jun 2014 13:57:17 +0000 (19:27 +0530)]
iommu/fsl: Fix the error condition during iommu group

Earlier PTR_ERR was being returned even if group was set to null.
Now, we explicitly set an ERR_PTR value in case the group  pointer is
NULL.

Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
11 years agoiommu/fsl: Fix the device domain attach condition.
Varun Sethi [Tue, 24 Jun 2014 13:57:16 +0000 (19:27 +0530)]
iommu/fsl: Fix the device domain attach condition.

Store the domain information for the device, only if it's not already
attached to a domain.

Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
11 years agoiommu/fsl: Fix PAMU window size check.
Varun Sethi [Tue, 24 Jun 2014 13:57:15 +0000 (19:27 +0530)]
iommu/fsl: Fix PAMU window size check.

is_power_of_2 requires an unsigned long parameter which would
lead to truncation of 64 bit values on 32 bit architectures.

__ffs also expects an unsigned long parameter thus won't work
for 64 bit values on 32 bit architectures.

Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Tested-by: Emil Medve <Emilian.Medve@Freescale.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
11 years agoUSB: cp210x: add support for Corsair usb dongle
Andras Kovacs [Fri, 27 Jun 2014 12:50:11 +0000 (14:50 +0200)]
USB: cp210x: add support for Corsair usb dongle

Corsair USB Dongles are shipped with Corsair AXi series PSUs.
These are cp210x serial usb devices, so make driver detect these.
I have a program, that can get information from these PSUs.

Tested with 2 different dongles shipped with Corsair AX860i and
AX1200i units.

Signed-off-by: Andras Kovacs <andras@sth.sze.hu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
11 years agoiio:tcs3472: Check for buffer enabled and locking
Peter Meerwald [Wed, 7 May 2014 12:38:00 +0000 (13:38 +0100)]
iio:tcs3472: Check for buffer enabled and locking

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoefi/arm64: efistub: remove local copy of linux_banner
Ard Biesheuvel [Fri, 13 Jun 2014 11:11:51 +0000 (13:11 +0200)]
efi/arm64: efistub: remove local copy of linux_banner

The shared efistub code for ARM and arm64 contains a local copy of
linux_banner, allowing it to be referenced from separate executables
such as the ARM decompressor. However, this introduces a dependency on
generated header files, causing unnecessary rebuilds of the stub itself
and, in case of arm64, vmlinux which contains it.

On arm64, the copy is not actually needed since we can reference the
original symbol directly, and as it turns out, there may be better ways
to deal with this for ARM as well, so let's remove it from the shared
code. If it still needs to be reintroduced for ARM later, it should live
under arch/arm anyway and not in shared code.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
11 years agointel_pstate: Set CPU number before accessing MSRs
Vincent Minet [Fri, 4 Jul 2014 23:51:33 +0000 (01:51 +0200)]
intel_pstate: Set CPU number before accessing MSRs

Ensure that cpu->cpu is set before writing MSR_IA32_PERF_CTL during CPU
initialization. Otherwise only cpu0 has its P-state set and all other
cores are left with their values unchanged.

In most cases, this is not too serious because the P-states will be set
correctly when the timer function is run.  But when the default governor
is set to performance, the per-CPU current_pstate stays the same forever
and no attempts are made to write the MSRs again.

Signed-off-by: Vincent Minet <vincent@vincent-minet.net>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agointel_pstate: Update documentation of {max,min}_perf_pct sysfs files
Dirk Brandewie [Fri, 20 Jun 2014 14:28:00 +0000 (07:28 -0700)]
intel_pstate: Update documentation of {max,min}_perf_pct sysfs files

Update documentation to make the interpretation of the values clearer

Link: https://bugzilla.kernel.org/show_bug.cgi?id=64251
Cc: 3.13+ <stable@vger.kernel.org> # 3.13+
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agointel_pstate: don't touch turbo bit if turbo disabled or unavailable.
Dirk Brandewie [Fri, 20 Jun 2014 14:27:59 +0000 (07:27 -0700)]
intel_pstate: don't touch turbo bit if turbo disabled or unavailable.

If turbo is disabled in the BIOS bit 38 should be set in
MSR_IA32_MISC_ENABLE register per section 14.3.2.1 of the SDM Vol 3
document 325384-050US Feb 2014.  If this bit is set do *not* attempt
to disable trubo via the MSR_IA32_PERF_CTL register.  On some systems
trying to disable turbo via MSR_IA32_PERF_CTL will cause subsequent
writes to MSR_IA32_PERF_CTL not take affect, in fact reading
MSR_IA32_PERF_CTL will not show the IDA/Turbo DISENGAGE bit(32) as
set. A write of bit 32 to zero returns to normal operation.

Also deal with the case where the processor does not support
turbo and the BIOS does not report the fact in MSR_IA32_MISC_ENABLE
but does report the max and turbo P states as the same value.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=64251
Cc: 3.13+ <stable@vger.kernel.org> # 3.13+
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agointel_pstate: Fix setting VID
Dirk Brandewie [Fri, 20 Jun 2014 14:27:58 +0000 (07:27 -0700)]
intel_pstate: Fix setting VID

Commit 21855ff5 (intel_pstate: Set turbo VID for BayTrail) introduced
setting the turbo VID which is required to prevent a machine check on
some Baytrail SKUs under heavy graphics based workloads.  The
docmumentation update that brought the requirement to light also
changed the bit mask used for enumerating P state and VID values from
0x7f to 0x3f.

This change returns the mask value to 0x7f.

Tested with the Intel NUC DN2820FYK,
BIOS version FYBYT10H.86A.0034.2014.0513.1413 with v3.16-rc1 and
v3.14.8 kernel versions.

Fixes: 21855ff5 (intel_pstate: Set turbo VID for BayTrail)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=77951
Reported-and-tested-by: Rune Reterson <rune@megahurts.dk>
Reported-and-tested-by: Eric Eickmeyer <erich@ericheickmeyer.com>
Cc: 3.13+ <stable@vger.kernel.org> # 3.13+
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoRevert "ACPI / AC: Remove AC's proc directory."
Lan Tianyu [Sun, 6 Jul 2014 23:13:46 +0000 (01:13 +0200)]
Revert "ACPI / AC: Remove AC's proc directory."

Revert commit ab0fd674d6ce (ACPI / AC: Remove AC's proc directory.),
because some old tools (e.g. kpowersave from kde 3.5.10) are still
using /proc/acpi/ac_adapter.

Fixes: ab0fd674d6ce (ACPI / AC: Remove AC's proc directory.)
Reported-and-tested-by: Sorin Manolache <sorinm@gmail.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 years agoARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow
Tero Kristo [Wed, 2 Jul 2014 08:47:35 +0000 (11:47 +0300)]
ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow

The divider value provided to the _dpll_test_fint can reach value of
256 with J type DPLLs (USB etc.), which causes an overflow with the u8
datatype. Fix this by changing the parameter to be an int instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: changed type of 'n' to unsigned int]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss
Roger Quadros [Sun, 6 Jul 2014 21:51:24 +0000 (15:51 -0600)]
ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss

Add the sysconfig class bits for the Super Speed USB
controllers

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: DRA7: hwmod: Fixup SATA hwmod
Roger Quadros [Sun, 6 Jul 2014 21:51:24 +0000 (15:51 -0600)]
ARM: DRA7: hwmod: Fixup SATA hwmod

Get rid of optional clock as that is now managed by the
AHCI platform driver.

Correct .mpu_rt_idx to 1 as the module register space (SYSCONFIG..)
is passed as the second memory resource in the device tree.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver
Suman Anna [Sun, 6 Jul 2014 21:51:23 +0000 (15:51 -0600)]
ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver

The commit 7be914f {ARM: OMAP3: PRM/CM: Cleanup unused header} removed
some of the macros used by the TI DSP/Bridge driver. This fixes the
following build errors when trying to build DSP/Bridge driver (disabled
at present), otherwise results in the following build errors:

drivers/staging/tidspbridge/core/tiomap3430.c:531:31: error: 'OMAP3430_AUTO_IVA2_DPLL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430.c:531:31: note: each undeclared identifier is reported only once for each function it appears in
make[3]: *** [drivers/staging/tidspbridge/core/tiomap3430.o] Error 1
make[3]: *** Waiting for unfinished jobs....
drivers/staging/tidspbridge/core/tiomap_io.c: In function 'sm_interrupt_dsp':
drivers/staging/tidspbridge/core/tiomap_io.c:404:31: error: 'OMAP3430_AUTO_IVA2_DPLL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap_io.c:404:31: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/tidspbridge/core/tiomap_io.c:414:12: error: 'OMAP3430_IVA2_DPLL_FREQSEL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap_io.c:415:12: error: 'OMAP3430_EN_IVA2_DPLL_SHIFT' undeclared (first use in this function)
make[3]: *** [drivers/staging/tidspbridge/core/tiomap_io.o] Error 1
drivers/staging/tidspbridge/core/tiomap3430_pwr.c: In function 'dsp_clk_wakeup_event_ctrl':
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:442:19: error: 'OMAP3430_GRPSEL_GPT5_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:442:19: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:455:19: error: 'OMAP3430_GRPSEL_GPT6_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:468:19: error: 'OMAP3430_GRPSEL_GPT7_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:481:19: error: 'OMAP3430_GRPSEL_GPT8_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:494:19: error: 'OMAP3430_GRPSEL_MCBSP1_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:546:19: error: 'OMAP3430_GRPSEL_MCBSP5_MASK' undeclared (first use in this function)
make[3]: *** [drivers/staging/tidspbridge/core/tiomap3430_pwr.o] Error 1
make[2]: *** [drivers/staging/tidspbridge] Error 2

Fixes: 7be914f (ARM: OMAP3: PRM/CM: Cleanup unused header)
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
11 years agoLinux 3.16-rc4
Linus Torvalds [Sun, 6 Jul 2014 19:37:51 +0000 (12:37 -0700)]
Linux 3.16-rc4

11 years agoMerge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux
Linus Torvalds [Sun, 6 Jul 2014 19:11:57 +0000 (12:11 -0700)]
Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux

Pull devicetree bugfix from Grant Likely:
 "Important bug fix for parsing 64-bit addresses on 32-bit platforms.
  Without this patch the kernel will try to use memory ranges that
  cannot be reached"

* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
  of: Check for phys_addr_t overflows in early_init_dt_add_memory_arch

11 years agoMerge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb...
Linus Torvalds [Sun, 6 Jul 2014 19:08:30 +0000 (12:08 -0700)]
Merge tag 'scsi-for-linus' of git://git./linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of 13 fixes, a MAINTAINERS update and a sparse update.
  The fixes are mostly correct value initialisations, avoiding NULL
  derefs and some uninitialised pointer avoidance.

  All the patches have been incubated in -next for a few days.  The
  final patch (use the scsi data buffer length to extract transfer size)
  has been rebased to add a cc to stable, but only the commit message
  has changed"

* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] use the scsi data buffer length to extract transfer size
  virtio-scsi: fix various bad behavior on aborted requests
  virtio-scsi: avoid cancelling uninitialized work items
  ibmvscsi: Add memory barriers for send / receive
  ibmvscsi: Abort init sequence during error recovery
  qla2xxx: Fix sparse warning in qla_target.c.
  bnx2fc: Improve stats update mechanism
  bnx2fc: do not scan uninitialized lists in case of error.
  fc: ensure scan_work isn't active when freeing fc_rport
  pm8001: Fix potential null pointer dereference and memory leak.
  MAINTAINERS: Update LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) maintainers Email IDs
  be2iscsi: remove potential junk pointer free
  be2iscsi: add an missing goto in error path
  scsi_error: set DID_TIME_OUT correctly
  scsi_error: fix invalid setting of host byte

11 years agoiwlwifi: mvm: fix merge damage
Emmanuel Grumbach [Sun, 6 Jul 2014 09:51:22 +0000 (12:51 +0300)]
iwlwifi: mvm: fix merge damage

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
11 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Sun, 6 Jul 2014 00:13:46 +0000 (17:13 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "i915, tda998x and vmwgfx fixes,

  The main one is i915 fix for missing VGA connectors, along with some
  fixes for the tda998x from Russell fixing some modesetting problems.

  (still on holidays, but got a spare moment to find these)"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/vmwgfx: Fix incorrect write to read-only register v2:
  drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
  drm/i915: only apply crt_present check on VLV
  drm/i915: Wait for vblank after enabling the primary plane on BDW
  drm/i2c: tda998x: add some basic mode validation
  drm/i2c: tda998x: faster polling for edid
  drm/i2c: tda998x: move drm_i2c_encoder_destroy call

11 years agoMerge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Sat, 5 Jul 2014 23:57:12 +0000 (16:57 -0700)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "This week's arm-soc fixes:

   - A set of of OMAP patches that we had missed Tony's pull request of:
     * Reset fix for am43xx
     * Proper OPP table for omap5
     * Fix for SoC detection of one of the DRA7 SoCs
     * hwmod updates to get SATA and OCP to work on omap5 (drivers
       merged in 3.16)
     * ... plus a handful of smaller fixes
   - sunxi needed to re-add machine specific restart code that was
     removed in anticipation of a watchdog driver being merged for 3.16,
     and it didn't make it in.
   - Marvell fixes for PCIe on SMP and a big-endian fix.
   - A trivial defconfig update to make my capri test board boot with
     bcm_defconfig again.

  ... and a couple of MAINTAINERS updates, one to claim new Keystone
  drivers that have been merged, and one to merge MXS and i.MX (both
  Freescale platforms).

  The largest diffs come from the hwmod code for omap5 and the re-add of
  the restart code on sunxi.  The hwmod stuff is quite late at this
  point but it slipped through cracks repeatedly while coming up the
  maintainer chain and only affects the one SoC so risk is low"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  MAINTAINERS: Add few more Keystone drivers
  MAINTAINERS: merge MXS entry into IMX one
  ARM: sunxi: Reintroduce the restart code for A10/A20 SoCs
  ARM: mvebu: fix cpuidle implementation to work on big-endian systems
  ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
  ARM: mvebu: move Armada 375 external abort logic as a quirk
  ARM: bcm: Fix bcm and multi_v7 defconfigs
  ARM: dts: dra7-evm: remove interrupt binding
  ARM: OMAP2+: Fix parser-bug in platform muxing code
  ARM: DTS: dra7/dra7xx-clocks: ATL related changes
  ARM: OMAP2+: drop unused function
  ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
  ARM: dts: omap5: Update CPU OPP table as per final production Manual
  ARM: DRA722: add detection of SoC information
  ARM: dts: Enable twl4030 off-idle configuration for selected omaps
  ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
  ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX

11 years agoMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 5 Jul 2014 23:56:14 +0000 (16:56 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "A few minor fixlets in ARM SoC irq drivers and a fix for a memory leak
  which I introduced in the last round of cleanups :("

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Fix memory leak when calling irq_free_hwirqs()
  irqchip: spear_shirq: Fix interrupt offset
  irqchip: brcmstb-l2: Level-2 interrupts are edge sensitive
  irqchip: armada-370-xp: Mask all interrupts during initialization.

11 years agoext4: disable synchronous transaction batching if max_batch_time==0
Eric Sandeen [Sat, 5 Jul 2014 23:18:22 +0000 (19:18 -0400)]
ext4: disable synchronous transaction batching if max_batch_time==0

The mount manpage says of the max_batch_time option,

This optimization can be turned off entirely
by setting max_batch_time to 0.

But the code doesn't do that.  So fix the code to do
that.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
11 years agoext4: clarify ext4_error message in ext4_mb_generate_buddy_error()
Theodore Ts'o [Sat, 5 Jul 2014 23:15:50 +0000 (19:15 -0400)]
ext4: clarify ext4_error message in ext4_mb_generate_buddy_error()

We are spending a lot of time explaining to users what this error
means.  Let's try to improve the message to avoid this problem.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
11 years agomtd: devices: elm: fix elm_context_save() and elm_context_restore() functions
Ted Juan [Fri, 20 Jun 2014 09:32:05 +0000 (17:32 +0800)]
mtd: devices: elm: fix elm_context_save() and elm_context_restore() functions

These two function's switch case lack the 'break' that make them always
return error.

Signed-off-by: Ted Juan <ted.juan@gmail.com>
Acked-by: Pekon Gupta <pekon@ti.com>
Cc: <stable@vger.kernel.org> # 3.12.x+
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
11 years agoext4: clarify error count warning messages
Theodore Ts'o [Sat, 5 Jul 2014 22:40:52 +0000 (18:40 -0400)]
ext4: clarify error count warning messages

Make it clear that values printed are times, and that it is error
since last fsck. Also add note about fsck version required.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Cc: stable@vger.kernel.org
11 years agoMerge tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel
Dave Airlie [Sat, 5 Jul 2014 21:49:59 +0000 (07:49 +1000)]
Merge tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel

Fixes for 3.16-rc3; most importantly Jesse brings back VGA he took away
on a bunch of machines. Also a vblank fix for BDW and a power workaround
fix for VLV.

* tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
  drm/i915: only apply crt_present check on VLV
  drm/i915: Wait for vblank after enabling the primary plane on BDW

11 years agoMerge branch 'vmwgfx-fixes-3.16' of git://people.freedesktop.org/~thomash/linux
Dave Airlie [Sat, 5 Jul 2014 21:49:28 +0000 (07:49 +1000)]
Merge branch 'vmwgfx-fixes-3.16' of git://people.freedesktop.org/~thomash/linux

fix to a 3.15 commit.

* 'vmwgfx-fixes-3.16' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: Fix incorrect write to read-only register v2:

11 years agoMerge branch 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox
Dave Airlie [Sat, 5 Jul 2014 21:48:26 +0000 (07:48 +1000)]
Merge branch 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox

mode fixes for tda998x.

* 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
  drm/i2c: tda998x: add some basic mode validation
  drm/i2c: tda998x: faster polling for edid
  drm/i2c: tda998x: move drm_i2c_encoder_destroy call

11 years agoMAINTAINERS: Update mx6 PCI driver maintainer's email
Fabio Estevam [Sat, 5 Jul 2014 17:35:52 +0000 (11:35 -0600)]
MAINTAINERS: Update mx6 PCI driver maintainer's email

Use Shawn's email address from Freescale.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
11 years agoPCI: Add bridge DMA alias quirk for Intel 82801 bridge
Alex Williamson [Sat, 5 Jul 2014 21:26:52 +0000 (15:26 -0600)]
PCI: Add bridge DMA alias quirk for Intel 82801 bridge

This bridge sometimes shows up as a root complex device and sometimes as a
discrete PCIe-to-PCI bridge.  Testing indicates that in the latter case, we
need to enable the PCIe bridge DMA alias quirk.

Reported-by: Milos Kaurin <milos.kaurin@gmail.com>
Tested-by: Milos Kaurin <milos.kaurin@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
11 years agoext4: fix unjournalled bg descriptor while initializing inode bitmap
Theodore Ts'o [Sat, 5 Jul 2014 20:28:35 +0000 (16:28 -0400)]
ext4: fix unjournalled bg descriptor while initializing inode bitmap

The first time that we allocate from an uninitialized inode allocation
bitmap, if the block allocation bitmap is also uninitalized, we need
to get write access to the block group descriptor before we start
modifying the block group descriptor flags and updating the free block
count, etc.  Otherwise, there is the potential of a bad journal
checksum (if journal checksums are enabled), and of the file system
becoming inconsistent if we crash at exactly the wrong time.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
11 years agogenirq: Fix memory leak when calling irq_free_hwirqs()
Keith Busch [Mon, 30 Jun 2014 22:24:44 +0000 (16:24 -0600)]
genirq: Fix memory leak when calling irq_free_hwirqs()

irq_free_hwirqs() always calls irq_free_descs() with a cnt == 0
which makes it a no-op since the interrupt count to free is
decremented in itself.

Fixes: 7b6ef1262549f6afc5c881aaef80beb8fd15f908
Signed-off-by: Keith Busch <keith.busch@intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/1404167084-8070-1-git-send-email-keith.busch@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
11 years agoPCI: rcar: Remove rcar_pcie_setup_window() resource argument
Phil Edworthy [Mon, 30 Jun 2014 08:37:01 +0000 (09:37 +0100)]
PCI: rcar: Remove rcar_pcie_setup_window() resource argument

rcar_pcie_setup_window() took both the window number and the resource,
which was redundant because we can look up the resource from the window
number.

Remove the "res" argument.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
11 years agoPCI: rcar: Cleanup style and formatting
Phil Edworthy [Mon, 30 Jun 2014 07:54:23 +0000 (08:54 +0100)]
PCI: rcar: Cleanup style and formatting

This patch just makes symbol and function name changes to avoid potential
conflicts, along with minor formatting changes.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
11 years agoPCI: rcar: Use correct initial HW settings
Phil Edworthy [Mon, 30 Jun 2014 07:54:22 +0000 (08:54 +0100)]
PCI: rcar: Use correct initial HW settings

Although the R-Car PCIe driver works as it is, there are a number of
incorrect settings that this patch corrects. It corrects:
 - enabling the PCI Express Extended Cap ID.
 - setting Data Link Layer Link Active Reporting Capable.
 - terminating list of capabilities.

It also removes enabling the MAC data scrambling as this is the default HW
setting, and removes incorrect code to enable slave bus mastering as this
is done by the PCI core.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
11 years agoPCI: rcar: Remove redundant config accessor register number checks
Sergei Shtylyov [Fri, 27 Jun 2014 14:59:13 +0000 (18:59 +0400)]
PCI: rcar: Remove redundant config accessor register number checks

The PCI core will have already checked the configuration register address
before calling the {read|write}() methods; so don't check it again in these
methods.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Phil Edworthy <phil.edworthy@renesas.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
11 years agoPCI: pciehp: Remove struct controller.no_cmd_complete
Rajat Jain [Thu, 26 Jun 2014 18:58:55 +0000 (11:58 -0700)]
PCI: pciehp: Remove struct controller.no_cmd_complete

"no_cmd_complete" is only used once, and it duplicates read-only
information we already have in the cached Slot Capabilities value.

Remove the field and use the existing macro NO_CMD_CMPL() instead.

[bhelgaas: changelog]
Signed-off-by: Rajat Jain <rajatxjain@gmail.com>
Signed-off-by: Rajat Jain <rajatjain@juniper.net>
Signed-off-by: Guenter Roeck <groeck@juniper.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
11 years agoMerge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Linus Torvalds [Sat, 5 Jul 2014 17:12:52 +0000 (10:12 -0700)]
Merge tag 'arm64-fixes' of git://git./linux/kernel/git/arm64/linux

Pull ARM64 fixes from Catalin Marinas:
 - Exception level check at boot time (for completeness, not triggering
   any bug before)
 - I/D-cache synchronisation logic for huge pages
 - Config symbol typo

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: fix el2_setup check of CurrentEL
  arm64: mm: Make icache synchronisation logic huge page aware
  arm64: mm: Fix horrendous config typo

11 years agoiio: hid-sensor-prox: Fix return values
Sachin Kamat [Fri, 7 Mar 2014 07:44:00 +0000 (07:44 +0000)]
iio: hid-sensor-prox: Fix return values

IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoiio: hid-sensor-gyro-3d: Fix return values
Sachin Kamat [Fri, 7 Mar 2014 07:44:00 +0000 (07:44 +0000)]
iio: hid-sensor-gyro-3d: Fix return values

IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoiio: hid-sensor-als: Fix return values
Sachin Kamat [Fri, 7 Mar 2014 07:44:00 +0000 (07:44 +0000)]
iio: hid-sensor-als: Fix return values

IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoiio: hid-sensor-magn-3d: Fix return values
Sachin Kamat [Fri, 7 Mar 2014 07:44:00 +0000 (07:44 +0000)]
iio: hid-sensor-magn-3d: Fix return values

IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoiio: hid-sensor-accel-3d: Fix return values
Sachin Kamat [Fri, 7 Mar 2014 07:44:00 +0000 (07:44 +0000)]
iio: hid-sensor-accel-3d: Fix return values

IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoiio: hid-sensor-press: Fix return values
Sachin Kamat [Fri, 7 Mar 2014 07:44:00 +0000 (07:44 +0000)]
iio: hid-sensor-press: Fix return values

IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.

Agreed with by Srinivas.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
11 years agoMAINTAINERS: Add few more Keystone drivers
Santosh Shilimkar [Sun, 22 Jun 2014 20:06:22 +0000 (16:06 -0400)]
MAINTAINERS: Add few more Keystone drivers

Update MAINTAINERS file for recently added reset controller, AEMIF
and clocksource driver for Keystone SOCs.

The EMIF memory controller driver is also added along with AEMIF.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMAINTAINERS: merge MXS entry into IMX one
Shawn Guo [Wed, 2 Jul 2014 07:37:10 +0000 (15:37 +0800)]
MAINTAINERS: merge MXS entry into IMX one

The mach-mxs platform is actually co-maintained by myself and
pengutronix folks.  Also it's hosted in the same kernel tree as IMX.
So let's merge the entry into IMX one.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMerge tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu into fixes
Olof Johansson [Sat, 5 Jul 2014 04:51:19 +0000 (21:51 -0700)]
Merge tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu into fixes

mvebu fixes for v3.16 (round #2)

 - mvebu
    - Fix PCIe deadlock now that SMP is enabled
    - Fix cpuidle for big-endian systems

* tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: fix cpuidle implementation to work on big-endian systems
  ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
  ARM: mvebu: move Armada 375 external abort logic as a quirk

Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: sunxi: Reintroduce the restart code for A10/A20 SoCs
Maxime Ripard [Sun, 29 Jun 2014 13:48:53 +0000 (15:48 +0200)]
ARM: sunxi: Reintroduce the restart code for A10/A20 SoCs

This partly reverts commits 553600502b84 (ARM: sunxi: Remove reset code from
the platform) and 5e669ec583e2 (ARM: sunxi: Remove init_machine callback) for
the sun4i, sun5i and sun7i families.

This is needed because the watchdog counterpart of these commits was dropped,
and didn't make it into 3.16. In order to still be able to reboot the board, we
need to reintroduce that code. Of course, the long term view is still to get
rid of that code in mach-sunxi.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMerge tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux...
Olof Johansson [Sat, 5 Jul 2014 04:45:38 +0000 (21:45 -0700)]
Merge tag 'omap-for-v3.16/fixes-against-rc1' of git://git./linux/kernel/git/tmlind/linux-omap into fixes

Merge OMAP fixes from Tony Lindgren:

Fixes for omaps for issues discovered during the merge window and
enabling of a few features that had to wait for the driver
dependencies to clear.

The fixes included are:

- Fix am43xx hard reset flags
- Fix SoC detection for DRA722
- Fix CPU OPP table for omap5
- Fix legacy mux parser bug if requested muxname is a prefix of
  multiple mux entries
- Fix qspi interrupt binding that relies on the irq crossbar
  that has not yet been enabled
- Add missing phy_sel for am43x-epos-evm
- Drop unused gic_init_irq() that is no longer needed

And the enabling of features that had driver dependencies are:

- Change dra7 to use Audio Tracking Logic clock instead of a fixed
  clock now that the clock driver for it has been merged

- Enable off idle configuration for selected omaps as all the kernel
  dependencies for device tree based booting are finally merged as
  this is needed to get the automated PM tests working finally with
  device tree based booting

- Add hwmod entry for ocp2scp3 for omap5 to get sata working as
  all the driver dependencies are now in the kernel and this patch
  fell through the cracks during the merge window

* tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: dra7-evm: remove interrupt binding
  ARM: OMAP2+: Fix parser-bug in platform muxing code
  ARM: DTS: dra7/dra7xx-clocks: ATL related changes
  ARM: OMAP2+: drop unused function
  ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
  ARM: dts: omap5: Update CPU OPP table as per final production Manual
  ARM: DRA722: add detection of SoC information
  ARM: dts: Enable twl4030 off-idle configuration for selected omaps
  ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
  ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX

11 years agopinctrl: berlin: fix an error code in berlin_pinctrl_probe()
Dan Carpenter [Wed, 11 Jun 2014 08:15:13 +0000 (11:15 +0300)]
pinctrl: berlin: fix an error code in berlin_pinctrl_probe()

We are returning success here because PTR_ERR(NULL) is zero.  We should
be returning -ENODEV.

Fixes: 3de68d331c24 ('pinctrl: berlin: add the core pinctrl driver for Marvell Berlin SoCs')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
11 years agogpio: mcp23s08: Eliminates redundant checking.
Michael Welling [Tue, 10 Jun 2014 18:46:34 +0000 (13:46 -0500)]
gpio: mcp23s08: Eliminates redundant checking.

Unnecessary checking was added during the merge of the gpio branch.
This patch removes the extra unnecessary checking.

Signed-off-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
11 years agoclocksource: exynos_mct: Register the timer for stable udelay
Amit Daniel Kachhap [Fri, 4 Jul 2014 21:40:23 +0000 (06:40 +0900)]
clocksource: exynos_mct: Register the timer for stable udelay

This patch registers the exynos mct clocksource as the current timer
as it has constant clock rate. This will generate correct udelay for
the exynos platform and avoid using unnecessary calibrated
jiffies. This change has been tested on exynos5420 based board and
udelay is very close to expected.

Without this patch udelay() on exynos5400 / exynos5800 is wildly
inaccurate due to big.LITTLE not adjusting loops_per_jiffy correctly.
Also without this patch udelay() on exynos5250 can be innacruate
during transitions between frequencies < 800 MHz (you'll go 200 MHz ->
800 MHz -> 300 MHz and will run at 800 MHz for a time with the wrong
loops_per_jiffy).

[dianders: reworked and created version 3]

Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
11 years agoclocksource: exynos_mct: Fix ftrace
Doug Anderson [Fri, 4 Jul 2014 21:38:55 +0000 (06:38 +0900)]
clocksource: exynos_mct: Fix ftrace

In (93bfb76 clocksource: exynos_mct: register sched_clock callback) we
supported using the MCT as a scheduler clock.  We properly marked
exynos4_read_sched_clock() as notrace.  However, we then went and
called another function that _wasn't_ notrace.  That means if you do:

  cd /sys/kernel/debug/tracing/
  echo function_graph > current_tracer

You'll get a crash.

Fix this (but still let other readers of the MCT be trace-enabled) by
adding an extra function.  It's important to keep other users of MCT
traceable because the MCT is actually quite slow to access and we want
exynos4_frc_read() to show up in ftrace profiles if it's the
bottleneck.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
11 years agoARM: dts: fix pwm-cells in pwm node for exynos4
Jaewon Kim [Fri, 4 Jul 2014 21:31:31 +0000 (06:31 +0900)]
ARM: dts: fix pwm-cells in pwm node for exynos4

pwm-cells should be 3. Third cell is optional PWM flags. And This flag
supported by this binding is PWM_POLARITY_INVERTED.

Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Reviewed-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
11 years agoARM: EXYNOS: Fix the check for non-smp configuration
Abhilash Kesavan [Fri, 4 Jul 2014 21:09:18 +0000 (06:09 +0900)]
ARM: EXYNOS: Fix the check for non-smp configuration

Commit 1754c42e3db5("ARM: exynos: move sysram info to exynos.c") missed
out the CONFIG_ prefix causing exynos_sysram_init() to get called twice
for SMP configurations.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Reviewed-by: Sachin Kamat <sachin.kamat@samsug.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
11 years agokbuild: Fix packaging targets with relative $(srctree)
Michal Marek [Fri, 4 Jul 2014 20:53:52 +0000 (22:53 +0200)]
kbuild: Fix packaging targets with relative $(srctree)

All other users of Makefile.build set $(obj) to the name of the
subdirectory to build. Do the same for the packaging targets, otherwise
the build fails if $(srctree) is a relative directory:

    $ make O=build tar-pkg
    make[1]: Entering directory `/home/mmarek/linux-2.6/build'
      CHK     include/config/kernel.release
    ../scripts/Makefile.build:44: ../../scripts/package/Makefile: No such file or directory
    make[2]: *** No rule to make target `../../scripts/package/Makefile'.  Stop.

Fixes: 9da0763b ("kbuild: Use relative path when building in a subdir of the source tree")
Signed-off-by: Michal Marek <mmarek@suse.cz>
11 years ago[media] hdpvr: fix two audio bugs
Hans Verkuil [Mon, 16 Jun 2014 12:08:29 +0000 (09:08 -0300)]
[media] hdpvr: fix two audio bugs

When the audio encoding is changed the driver calls hdpvr_set_audio
with the current opt->audio_input value. However, that should have
been opt->audio_input + 1. So changing the audio encoding inadvertently
changes the input as well. This bug has always been there.

The second bug was introduced in kernel 3.10 and that broke the
default_audio_input module option handling: the audio encoding was
never switched to AC3 if default_audio_input was set to 2 (SPDIF input).

In addition, since starting with 3.10 the audio encoding is always set
at the start the first bug now always happens when the driver is loaded.
In the past this bug would only surface if the user would change the
audio encoding after the driver was loaded.

Also fixes a small trivial typo (bufffer -> buffer).

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Scott Doty <scott@corp.sonic.net>
Cc: stable@vger.kernel.org # for v3.10 and up
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
11 years ago[media] davinci: vpif: missing unlocks on error
Dan Carpenter [Thu, 12 Jun 2014 07:01:45 +0000 (04:01 -0300)]
[media] davinci: vpif: missing unlocks on error

We recently changed some locking around so we need some new unlocks on
the error paths.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
11 years ago[media] af9035: override tuner id when bad value set into eeprom
Antti Palosaari [Tue, 24 Jun 2014 13:03:59 +0000 (10:03 -0300)]
[media] af9035: override tuner id when bad value set into eeprom

Tuner ID set into EEPROM is wrong in some cases, which causes driver
to select wrong tuner profile. That leads device non-working. Fix
issue by overriding known bad tuner IDs with suitable default value.

Thanks to MX-NET Telekomunikace s.r.o. for providing non-working
DTV stick, that I could fix the bug!

Cc: stable@vger.kernel.org # v3.15+
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
11 years agoMerge tag 'md/3.16-fixes' of git://neil.brown.name/md
Linus Torvalds [Fri, 4 Jul 2014 16:37:43 +0000 (09:37 -0700)]
Merge tag 'md/3.16-fixes' of git://neil.brown.name/md

Pull md bugfixes from Neil Brown:
 "Two minor bugfixes for md in 3.16"

* tag 'md/3.16-fixes' of git://neil.brown.name/md:
  md: flush writes before starting a recovery.
  md: make sure GET_ARRAY_INFO ioctl reports correct "clean" status

11 years agoMerge tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
Linus Torvalds [Fri, 4 Jul 2014 15:56:57 +0000 (08:56 -0700)]
Merge tag 'sound-3.16-rc4' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This contains a few fixes for HD-audio: yet another Dell headset pin
  quirk, a fixup for Thinkpad T540P, and an improved fix for
  Haswell/Broadwell HDMI clock setup"

* tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
  drm/i915: provide interface for audio driver to query cdclk
  ALSA: hda - Add a fixup for Thinkpad T540p
  ALSA: hda - Add another headset pin quirk for some Dell machines

11 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
Linus Torvalds [Fri, 4 Jul 2014 15:53:53 +0000 (08:53 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/linux-btrfs

Pull btrfs fixes from Chris Mason:
 "We've queued up a few fixes in my for-linus branch"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: fix crash when starting transaction
  Btrfs: fix btrfs_print_leaf for skinny metadata
  Btrfs: fix race of using total_bytes_pinned
  btrfs: use E2BIG instead of EIO if compression does not help
  btrfs: remove stale comment from btrfs_flush_all_pending_stuffs
  Btrfs: fix use-after-free when cloning a trailing file hole
  btrfs: fix null pointer dereference in btrfs_show_devname when name is null
  btrfs: fix null pointer dereference in clone_fs_devices when name is null
  btrfs: fix nossd and ssd_spread mount option regression
  Btrfs: fix race between balance recovery and root deletion
  Btrfs: atomically set inode->i_flags in btrfs_update_iflags
  btrfs: only unlock block in verify_parent_transid if we locked it
  Btrfs: assert send doesn't attempt to start transactions
  btrfs compression: reuse recently used workspace
  Btrfs: fix crash when mounting raid5 btrfs with missing disks
  btrfs: create sprout should rename fsid on the sysfs as well
  btrfs: dev replace should replace the sysfs entry
  btrfs: dev add should add its sysfs entry
  btrfs: dev delete should remove sysfs entry
  btrfs: rename add_device_membership to btrfs_kobj_add_device

11 years agoarm64: fix el2_setup check of CurrentEL
Marc Zyngier [Fri, 6 Jun 2014 13:16:21 +0000 (14:16 +0100)]
arm64: fix el2_setup check of CurrentEL

The CurrentEL system register reports the Current Exception Level
of the CPU. It doesn't say anything about the stack handling, and
yet we compare it to PSR_MODE_EL2t and PSR_MODE_EL2h.

It works by chance because PSR_MODE_EL2t happens to match the right
bits, but that's otherwise a very bad idea. Just check for the EL
value instead.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
[catalin.marinas@arm.com: fixed arch/arm64/kernel/efi-entry.S]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
11 years agoxen/balloon: set ballooned out pages as invalid in p2m
David Vrabel [Fri, 27 Jun 2014 09:42:03 +0000 (10:42 +0100)]
xen/balloon: set ballooned out pages as invalid in p2m

Since cd9151e26d31048b2b5e00fd02e110e07d2200c9 (xen/balloon: set a
mapping for ballooned out pages), a ballooned out page had its entry
in the p2m set to the MFN of one of the scratch pages.  This means
that the p2m will contain many entries pointing to the same MFN.

During a domain save, these many-to-one entries are not identified as
such and the scratch page is saved multiple times. On restore the
ballooned pages are populated with new frames and the domain may use
up its allocation before all pages can be restored.

Since the original fix only needed to keep a mapping for the ballooned
page it is safe to set ballooned out pages as INVALID_P2M_ENTRY in the
p2m (as they were before). Thus preventing them from being saved and
re-populated on restore.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reported-by: Marek Marczykowski <marmarek@invisiblethingslab.com>
Tested-by: Marek Marczykowski <marmarek@invisiblethingslab.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: <stable@vger.kernel.org>