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Commit Graph

310451 Commits

Author SHA1 Message Date
Vinod Koul
49d57b5e58 dmaengine: mmp_tdma: fix the arch dependency
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-23 13:14:17 +05:30
Andy Shevchenko
3f9362078b dw_dmac: introduce dwc_chan_disable
This piece of code is used often. Make it as a separate function.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:39 +05:30
Andy Shevchenko
0272e93f36 dw_dmac: move from __init to __devinit
We usually have more than one DMA device. Thus, the probe function should serve
for all of them in case when the driver is built as a module.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:38 +05:30
Andy Shevchenko
4c2d56c574 dw_dmac: introduce dwc_fast_fls()
There were three places where such function is used. We still avoid to use
native fls() because in one case it requires to use 64bit version which is
suboptimal in our case.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:38 +05:30
Andy Shevchenko
236b106f1a dw_dmac: disable BLOCK interrupts
Just to be sure we are in known state we disable the BLOCK interupts.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:37 +05:30
Andy Shevchenko
11f932ec22 dw_dmac: disable dma in optimal way in probe
The dw_dma_off call needs to have the all_chan_mask calculated. So, done this
calculations before the call. Moreover, remove duplicate code that masks the
DMA interrupts.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:36 +05:30
Andy Shevchenko
2e4c364e15 dw_dmac: use __func__ constant in the debug prints
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:35 +05:30
Andy Shevchenko
2ab3727634 dw_dmac: print correct number of scanned descriptors
In case the first descriptor we found is available, the counter still remains 0
value which is wrong. This patch fixes the counter behaviour.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:34 +05:30
Andy Shevchenko
1d45543765 dw_dmac: introduce dwc_dump_chan_regs to dump registers
There is three places where values of the most significant registers were
printed. Make such piece of code as separate function.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:34 +05:30
Andy Shevchenko
2f45d613ff dw_dmac: use proper casting to print dma_addr_t values
dma_addr_t is sometimes 32 bit and sometimes 64. We normally cast them to
unsigned long long for printk().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:33 +05:30
Andy Shevchenko
745664ebe0 dw_dmac: fix constant in the comment
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-21 08:05:32 +05:30
Zhangfei Gao
c6da0ba8df dmaengine: mmp_tdma: add mmp tdma support
Add support for two-channel dma under dmaengine
support: mmp-adma and pxa910-squ

Signed-off-by: Zhangfei Gao <zhangfei.gao@marvell.com>
Signed-off-by: Leo Yan <leoy@marvell.com>
Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-20 16:28:41 +05:30
Lars-Peter Clausen
3052cc2c92 dmaengine: Add wrapper for device_tx_status callback
This patch adds a small inline wrapper for the devivce_tx_status callback of a
dma device. This makes the source code of users of this function a bit more
compact and a bit more legible.

E.g.:
-status = chan->device->device_tx_status(chan, cookie, &state)
+status = dmaengine_tx_status(chan, cookie, &state)

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-20 16:23:16 +05:30
Vinod Koul
0a0760358c Merge branch 'fixes' into next 2012-06-14 11:20:31 +05:30
Linus Walleij
f7ceb362c4 dma: coh901318: use devm allocation
Allocate memory, region, remap and irq for device state using
devm_* helpers to simplify memory accounting.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-14 08:42:26 +05:30
Javi Merino
fdec53d520 DMA: PL330: Fix racy mutex unlock
pl330_update() stores a pointer to the thrd->req that finished, which
contains a pointer to the corresponding pl330_req.  This is done with
the pl330_lock held.  Then, it iterates through the req_done list,
calling the callback for each of the requests that are done.  The
problem is that the driver releases the lock before calling the
callback for each of the callbacks.  pl330_submit_req() running in
another processor can then acquire the lock and insert another request
in one of the thrd->req that hasn't been processed yet, replacing the
pointer to pl330_req there.  When the callback returns in
pl330_update() and the next rqdone is popped from the list, it
dereferences the pl330_req pointer to the just scheduled pl330_req,
instead of the one that has finished, calling pl330 with the wrong r.

This patch fixes this by storing the pointer to pl330_req directly in
the list.

Signed-off-by: Javi Merino <javi.merino@arm.com>
Cc: Jassi Brar <jaswinder.singh@linaro.org>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-14 08:39:52 +05:30
Nicolas Ferre
9102d8715e dmaengine: at_hdmac: trivial: fix comment in header
Not all Atmel SoCs were pointed out in header comment which was bringing
confusion. Remove the truncated list of supported devices, replace by the
only one that is not supported.

Reported-by: Elen Song <elen.song@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-12 14:43:54 +05:30
Laxman Dewangan
ec8a158678 dma: tegra: add dmaengine based dma driver
Add dmaengine based NVIDIA's Tegra APB DMA driver.
This driver support the slave mode of data transfer from
peripheral to memory and vice versa.
The driver supports for the cyclic and non-cyclic mode
of data transfer.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-08 10:53:05 +05:30
Laxman Dewangan
4fd1e324b7 dma: dmaengine: add slave req id in slave_config
The DMA controller like Nvidia's Tegra Dma controller
supports the different slave requestor id from different slave.
This need to be configure in dma controller to handle the request
properly.

Adding the slave-id in the slave configuration so that information
can be passed from client when configuring for slave.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-08 10:53:05 +05:30
Huang Shijie
f5c55847f7 dma: enable mxs-dma for imx6q
enable the mxs-dma for imx6q.
Also remove the unused header file.

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-07 14:55:37 +05:30
Sachin Kamat
5a67ac572e DMA: PL330: Add missing static storage class specifier
Fixes the following sparse warning:
drivers/dma/pl330.c:2542:5: warning: symbol 'add_desc' was not declared. Should it be static?

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-07 13:53:25 +05:30
Richard Zhao
8e2e27c744 dma: imx-sdma: buf_tail should be initialize in prepare function
This fix audio underrun issue. When SNDRV_PCM_TRIGGER_STOP
and SNDRV_PCM_TRIGGER_START, it calls prepare again. buf_tail
should be reset to zero.
So move buf_tail initialization into prepare function.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
2012-06-07 13:48:42 +05:30
Tushar Behera
30c1dc0ff3 dmaengine: pl330: dont complete descriptor for cyclic dma
Commit eab2158558 ("dmaengine: pl330: dont complete descriptor for
cyclic dma") wrongly completes descriptor for cyclic dma, hence following
BUG_ON is still hit with cyclic DMA operations.

kernel BUG at drivers/dma/dmaengine.h:53!

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
2012-06-07 13:42:58 +05:30
Linus Torvalds
f8f5701bda Linux 3.5-rc1 2012-06-02 18:29:26 -07:00
Linus Torvalds
912afc3616 Improve multipath's retrying mechanism in some defined circumstances
and provide a simple reserve/release mechanism for userspace tools to
 access thin provisioning metadata while the pool is in use.
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Merge tag 'dm-3.5-changes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm

Pull device-mapper updates from Alasdair G Kergon:
 "Improve multipath's retrying mechanism in some defined circumstances
  and provide a simple reserve/release mechanism for userspace tools to
  access thin provisioning metadata while the pool is in use."

* tag 'dm-3.5-changes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
  dm thin: provide userspace access to pool metadata
  dm thin: use slab mempools
  dm mpath: allow ioctls to trigger pg init
  dm mpath: delay retry of bypassed pg
  dm mpath: reduce size of struct multipath
2012-06-02 17:39:40 -07:00
Joe Thornber
cc8394d86f dm thin: provide userspace access to pool metadata
This patch implements two new messages that can be sent to the thin
pool target allowing it to take a snapshot of the _metadata_.  This,
read-only snapshot can be accessed by userland, concurrently with the
live target.

Only one metadata snapshot can be held at a time.  The pool's status
line will give the block location for the current msnap.

Since version 0.1.5 of the userland thin provisioning tools, the
thin_dump program displays the msnap as follows:

    thin_dump -m <msnap root> <metadata dev>

Available here: https://github.com/jthornber/thin-provisioning-tools

Now that userland can access the metadata we can do various things
that have traditionally been kernel side tasks:

     i) Incremental backups.

     By using metadata snapshots we can work out what blocks have
     changed over time.  Combined with data snapshots we can ensure
     the data doesn't change while we back it up.

     A short proof of concept script can be found here:

     https://github.com/jthornber/thinp-test-suite/blob/master/incremental_backup_example.rb

     ii) Migration of thin devices from one pool to another.

     iii) Merging snapshots back into an external origin.

     iv) Asyncronous replication.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-06-03 00:30:01 +01:00
Mike Snitzer
a24c25696b dm thin: use slab mempools
Use dedicated caches prefixed with a "dm_" name rather than relying on
kmalloc mempools backed by generic slab caches so the memory usage of
thin provisioning (and any leaks) can be accounted for independently.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-06-03 00:30:00 +01:00
Mikulas Patocka
35991652ba dm mpath: allow ioctls to trigger pg init
After the failure of a group of paths, any alternative paths that
need initialising do not become available until further I/O is sent to
the device.  Until this has happened, ioctls return -EAGAIN.

With this patch, new paths are made available in response to an ioctl
too.  The processing of the ioctl gets delayed until this has happened.

Instead of returning an error, we submit a work item to kmultipathd
(that will potentially activate the new path) and retry in ten
milliseconds.

Note that the patch doesn't retry an ioctl if the ioctl itself fails due
to a path failure.  Such retries should be handled intelligently by the
code that generated the ioctl in the first place, noting that some SCSI
commands should not be retried because they are not idempotent (XOR write
commands).  For commands that could be retried, there is a danger that
if the device rejected the SCSI command, the path could be errorneously
marked as failed, and the request would be retried on another path which
might fail too.  It can be determined if the failure happens on the
device or on the SCSI controller, but there is no guarantee that all
SCSI drivers set these flags correctly.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-06-03 00:29:58 +01:00
Mike Christie
f220fd4efb dm mpath: delay retry of bypassed pg
If I/O needs retrying and only bypassed priority groups are available,
set the pg_init_delay_retry flag to wait before retrying.

If, for example, the reason for the bypass is that the controller is
getting reset or there is a firmware upgrade happening, retrying right
away would cause a flood of log messages and retries for what could be a
few seconds or even several minutes.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-06-03 00:29:45 +01:00
Mike Snitzer
1fbdd2b3a3 dm mpath: reduce size of struct multipath
Move multipath structure's 'lock' and 'queue_size' members to eliminate
two 4-byte holes.  Also use a bit within a single unsigned int for each
existing flag (saves 8-bytes).  This allows future flags to be added
without each consuming an unsigned int.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2012-06-03 00:29:43 +01:00
Linus Torvalds
4fc3acf291 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking updates from David Miller:

 1) Make syn floods consume significantly less resources by

    a) Not pre-COW'ing routing metrics for SYN/ACKs
    b) Mirroring the device queue mapping of the SYN for the SYN/ACK
       reply.

    Both from Eric Dumazet.

 2) Fix calculation errors in Byte Queue Limiting, from Hiroaki SHIMODA.

 3) Validate the length requested when building a paged SKB for a
    socket, so we don't overrun the page vector accidently.  From Jason
    Wang.

 4) When netlabel is disabled, we abort all IP option processing when we
    see a CIPSO option.  This isn't the right thing to do, we should
    simply skip over it and continue processing the remaining options
    (if any).  Fix from Paul Moore.

 5) SRIOV fixes for the mellanox driver from Jack orgenstein and Marcel
    Apfelbaum.

 6) 8139cp enables the receiver before the ring address is properly
    programmed, which potentially lets the device crap over random
    memory.  Fix from Jason Wang.

 7) e1000/e1000e fixes for i217 RST handling, and an improper buffer
    address reference in jumbo RX frame processing from Bruce Allan and
    Sebastian Andrzej Siewior, respectively.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  fec_mpc52xx: fix timestamp filtering
  mcs7830: Implement link state detection
  e1000e: fix Rapid Start Technology support for i217
  e1000: look into the page instead of skb->data for e1000_tbi_adjust_stats()
  r8169: call netif_napi_del at errpaths and at driver unload
  tcp: reflect SYN queue_mapping into SYNACK packets
  tcp: do not create inetpeer on SYNACK message
  8139cp/8139too: terminate the eeprom access with the right opmode
  8139cp: set ring address before enabling receiver
  cipso: handle CIPSO options correctly when NetLabel is disabled
  net: sock: validate data_len before allocating skb in sock_alloc_send_pskb()
  bql: Avoid possible inconsistent calculation.
  bql: Avoid unneeded limit decrement.
  bql: Fix POSDIFF() to integer overflow aware.
  net/mlx4_core: Fix obscure mlx4_cmd_box parameter in QUERY_DEV_CAP
  net/mlx4_core: Check port out-of-range before using in mlx4_slave_cap
  net/mlx4_core: Fixes for VF / Guest startup flow
  net/mlx4_en: Fix improper use of "port" parameter in mlx4_en_event
  net/mlx4_core: Fix number of EQs used in ICM initialisation
  net/mlx4_core: Fix the slave_id out-of-range test in mlx4_eq_int
2012-06-02 16:22:51 -07:00
Linus Torvalds
63004afa71 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull straggler x86 fixes from Peter Anvin:
 "Three groups of patches:

  - EFI boot stub documentation and the ability to print error messages;
  - Removal for PTRACE_ARCH_PRCTL for x32 (obsolete interface which
    should never have been ported, and the port is broken and
    potentially dangerous.)
  - ftrace stack corruption fixes.  I'm not super-happy about the
    technical implementation, but it is probably the least invasive in
    the short term.  In the future I would like a single method for
    nesting the debug stack, however."

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, x32, ptrace: Remove PTRACE_ARCH_PRCTL for x32
  x86, efi: Add EFI boot stub documentation
  x86, efi; Add EFI boot stub console support
  x86, efi: Only close open files in error path
  ftrace/x86: Do not change stacks in DEBUG when calling lockdep
  x86: Allow nesting of the debug stack IDT setting
  x86: Reset the debug_stack update counter
  ftrace: Use breakpoint method to update ftrace caller
  ftrace: Synchronize variable setting with breakpoints
2012-06-02 16:17:03 -07:00
Linus Torvalds
f309532bf3 tty: Revert the tty locking series, it needs more work
This reverts the tty layer change to use per-tty locking, because it's
not correct yet, and fixing it will require some more deep surgery.

The main revert is d29f3ef39b ("tty_lock: Localise the lock"), but
there are several smaller commits that built upon it, they also get
reverted here. The list of reverted commits is:

  fde86d3108 - tty: add lockdep annotations
  8f6576ad47 - tty: fix ldisc lock inversion trace
  d3ca8b64b9 - pty: Fix lock inversion
  b1d679afd7 - tty: drop the pty lock during hangup
  abcefe5fc3 - tty/amiserial: Add missing argument for tty_unlock()
  fd11b42e35 - cris: fix missing tty arg in wait_event_interruptible_tty call
  d29f3ef39b - tty_lock: Localise the lock

The revert had a trivial conflict in the 68360serial.c staging driver
that got removed in the meantime.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-02 15:21:43 -07:00
Stephan Gatzka
9ca3cc6f30 fec_mpc52xx: fix timestamp filtering
skb_defer_rx_timestamp was called with a freshly allocated skb but must
be called with rskb instead.

Signed-off-by: Stephan Gatzka <stephan@gatzka.org>
Cc: stable <stable@vger.kernel.org>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-02 17:09:08 -04:00
Ondrej Zary
b1ff4f96fd mcs7830: Implement link state detection
Add .status callback that detects link state changes.
Tested with MCS7832CV-AA chip (9710:7830, identified as rev.C by the driver).
Fixes https://bugzilla.kernel.org/show_bug.cgi?id=28532

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-02 17:09:08 -04:00
Linus Torvalds
233e562eac Merge 'for-linus' branches from git://git.kernel.org/pub/scm/linux/kernel/git/viro/{vfs,signal}
Pull vfs fix and a fix from the signal changes for frv from Al Viro.

The __kernel_nlink_t for powerpc got scrogged because 64-bit powerpc
actually depended on the default "unsigned long", while 32-bit powerpc
had an explicit override to "unsigned short".  Al didn't notice, and
made both of them be the unsigned short.

The frv signal fix is fallout from simplifying the do_notify_resume()
code, and leaving an extra parenthesis.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  powerpc: Fix size of st_nlink on 64bit

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal:
  frv: Remove bogus closing parenthesis
2012-06-02 09:03:54 -07:00
Anton Blanchard
0fd7bee1e9 powerpc: Fix size of st_nlink on 64bit
commit e57f93cc53 (powerpc: get rid of nlink_t uses, switch to
explicitly-sized type) changed the size of st_nlink on ppc64 from
a long to a short, resulting in boot failures.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-02 10:44:11 -04:00
Geert Uytterhoeven
a393624969 frv: Remove bogus closing parenthesis
Introduced by commit 6fd84c0831
("TIF_RESTORE_SIGMASK can be set only when TIF_SIGPENDING is set")

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-06-02 10:38:19 -04:00
Bruce Allan
6d7407bfba e1000e: fix Rapid Start Technology support for i217
The definition of I217_PROXY_CTRL must use the BM_PHY_REG() macro instead
of the PHY_REG() macro for PHY page 800 register 70 since it is for a PHY
register greater than the maximum allowed by the latter macro, and fix a
typo setting the I217_MEMPWR register in e1000_suspend_workarounds_ich8lan.

Also for clarity, rename a few defines as bit definitions instead of masks.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-06-02 00:12:33 -07:00
Sebastian Andrzej Siewior
281a8f2462 e1000: look into the page instead of skb->data for e1000_tbi_adjust_stats()
This is another fixup where the data is not transfered into buffer
addressed by skb->data but into a page.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-06-02 00:04:19 -07:00
Linus Torvalds
829f51dbd8 Merge branch 'akpm' (Fixups for Andrew's patchbomb)
Merge fixups for the mac NLS tables from Andrew.

* emailed from Andrew Morton, and one cleanup by me:
  nls: fix (and rename) mac NLS table files and config options
  fs/nls/Makefile: remove bogus CONFIG_ assignments
2012-06-01 19:56:23 -07:00
Linus Torvalds
8b8c0daa2c nls: fix (and rename) mac NLS table files and config options
The config options in the Kconfig file (with _CODEPAGE_ in the name)
didn't match the config option name in the Makefile (no _CODEPAGE_).

And both of them were of the hard-to-read MACXYZZY variety, which made
them hard to parse for normal humans: MACROMAN easily reads as "macro
man", not as "Mac Roman".

So rename the options to be consistent, and be NLS_MAC_xyzzy.  Rename
the files to be mac-xyzzy.c too, and drop the "nls" part entirely (it's
already in the directory name).

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-01 19:51:22 -07:00
Andrew Morton
92a8956364 fs/nls/Makefile: remove bogus CONFIG_ assignments
These were debug things which snuck through.

Reported-by: Yinghai Lu <yinghai@kernel.org>
Cc: Vladimir Serbinenko <phcoder@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-01 19:47:26 -07:00
Linus Torvalds
804ce9866d fbdev updates for 3.5
It includes:
 - driver for AUO-K1900 and AUO-K1901 epaper controller
 - large updates for OMAP (e.g. decouple HDMI audio and video)
 - some updates for Exynos and SH Mobile
 - various other small fixes and cleanups
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Merge tag 'fbdev-updates-for-3.5' of git://github.com/schandinat/linux-2.6

Pull fbdev updates from Florian Tobias Schandinat:
 - driver for AUO-K1900 and AUO-K1901 epaper controller
 - large updates for OMAP (e.g. decouple HDMI audio and video)
 - some updates for Exynos and SH Mobile
 - various other small fixes and cleanups

* tag 'fbdev-updates-for-3.5' of git://github.com/schandinat/linux-2.6: (130 commits)
  video: bfin_adv7393fb: Fix cleanup code
  video: exynos_dp: reduce delay time when configuring video setting
  video: exynos_dp: move sw reset prioir to enabling sw defined function
  video: exynos_dp: use devm_ functions
  fb: handle NULL pointers in framebuffer release
  OMAPDSS: HDMI: OMAP4: Update IRQ flags for the HPD IRQ request
  OMAPDSS: Apply VENC timings even if panel is disabled
  OMAPDSS: VENC/DISPC: Delay dividing Y resolution for managers connected to VENC
  OMAPDSS: DISPC: Support rotation through TILER
  OMAPDSS: VRFB: remove compiler warnings when CONFIG_BUG=n
  OMAPFB: remove compiler warnings when CONFIG_BUG=n
  OMAPDSS: remove compiler warnings when CONFIG_BUG=n
  OMAPDSS: DISPC: fix usage of dispc_ovl_set_accu_uv
  OMAPDSS: use DSI_FIFO_BUG workaround only for manual update displays
  OMAPDSS: DSI: Support command mode interleaving during video mode blanking periods
  OMAPDSS: DISPC: Update Accumulator configuration for chroma plane
  drivers/video: fsl-diu-fb: don't initialize the THRESHOLDS registers
  video: exynos mipi dsi: support reverse panel type
  video: exynos mipi dsi: Properly interpret the interrupt source flags
  video: exynos mipi dsi: Avoid races in probe()
  ...
2012-06-01 16:57:51 -07:00
Linus Torvalds
f5e7e844a5 - More robust parsing especially of xattr data in JFFS2
- Updates to mxc_nand and gpmi drivers to support new boards and device tree
  - Improve consistency of information about ECC strength in NAND devices
  - Clean up partition handling of plat_nand
  - Support NAND drivers without dedicated access to OOB area
  - BCH hardware ECC support for OMAP
  - Other fixes and cleanups, and a few new device IDs
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Merge tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd

Pull mtd update from David Woodhouse:
 - More robust parsing especially of xattr data in JFFS2
 - Updates to mxc_nand and gpmi drivers to support new boards and device tree
 - Improve consistency of information about ECC strength in NAND devices
 - Clean up partition handling of plat_nand
 - Support NAND drivers without dedicated access to OOB area
 - BCH hardware ECC support for OMAP
 - Other fixes and cleanups, and a few new device IDs

Fixed trivial conflict in drivers/mtd/nand/gpmi-nand/gpmi-nand.c due to
added include files next to each other.

* tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd: (75 commits)
  mtd: mxc_nand: move ecc strengh setup before nand_scan_tail
  mtd: block2mtd: fix recursive call of mtd_writev
  mtd: gpmi-nand: define ecc.strength
  mtd: of_parts: fix breakage in Kconfig
  mtd: nand: fix scan_read_raw_oob
  mtd: docg3 fix in-middle of blocks reads
  mtd: cfi_cmdset_0002: Slight cleanup of fixup messages
  mtd: add fixup for S29NS512P NOR flash.
  jffs2: allow to complete xattr integrity check on first GC scan
  jffs2: allow to discriminate between recoverable and non-recoverable errors
  mtd: nand: omap: add support for hardware BCH ecc
  ARM: OMAP3: gpmc: add BCH ecc api and modes
  mtd: nand: check the return code of 'read_oob/read_oob_raw'
  mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw'
  mtd: m25p80: Add support for Winbond W25Q80BW
  jffs2: get rid of jffs2_sync_super
  jffs2: remove unnecessary GC pass on sync
  jffs2: remove unnecessary GC pass on umount
  jffs2: remove lock_super
  mtd: gpmi: add gpmi support for mx6q
  ...
2012-06-01 16:55:42 -07:00
Linus Torvalds
48445159e9 Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platform driver updates from Matthew Garrett:
 "Some significant improvements for the Sony driver on newer machines,
  but other than that mostly just minor fixes and a patch to remove the
  broken rfkill code from the Dell driver."

* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (35 commits)
  apple-gmux: Fix up the suspend/resume patch
  dell-laptop: Remove rfkill code
  toshiba_acpi: Fix mis-merge
  dell-laptop: Add touchpad led support for Dell V3450
  acer-wmi: add 3 laptops to video backlight vendor mode quirk table
  sony-laptop: add touchpad enable/disable function
  sony-laptop: add missing Fn key combos for 0x100 handlers
  sony-laptop: add support for more WWAN modems
  sony-laptop: new keyboard backlight handle
  sony-laptop: add high speed battery charging function
  sony-laptop: support automatic resume on lid open
  sony-laptop: adjust error handling in finding SNC handles
  sony-laptop: add thermal profiles support
  sony-laptop: support battery care functions
  sony-laptop: additional debug statements
  sony-laptop: improve SNC initialization and acpi notify callback code
  sony-laptop: use kstrtoul to parse sysfs values
  sony-laptop: generalise ACPI calls into SNC functions
  sony-laptop: fix return path when no ACPI buffer is allocated
  sony-laptop: use soft rfkill status stored in hw
  ...
2012-06-01 16:51:37 -07:00
Linus Torvalds
af4f8ba31a Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
Pull slab updates from Pekka Enberg:
 "Mainly a bunch of SLUB fixes from Joonsoo Kim"

* 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
  slub: use __SetPageSlab function to set PG_slab flag
  slub: fix a memory leak in get_partial_node()
  slub: remove unused argument of init_kmem_cache_node()
  slub: fix a possible memory leak
  Documentations: Fix slabinfo.c directory in vm/slub.txt
  slub: fix incorrect return type of get_any_partial()
2012-06-01 16:50:23 -07:00
H. Peter Anvin
40b46a7d29 Merge remote-tracking branch 'rostedt/tip/perf/urgent-2' into x86-urgent-for-linus 2012-06-01 15:55:31 -07:00
Linus Torvalds
efff0471b0 Merge branch 'ux500/hickup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm fixes for ux500 mismerge mishap from Arnd Bergmann:
 "The device tree conversion for arm/ux500 in 3.5 turns out to be
  incomplete because of a mismerge done by Linus Walleij that I failed
  to notice early enough and that Lee Jones as the original author of
  those patches did not manage to fix during the -next cycle.  While we
  originally to get a much larger set of ux500 device tree enablement
  patches merged, this did not happen in time.

  After some discussion at Linaro Connect conference this week, Lee has
  been able to do damage control and provide a series to put the broken
  platform back into usable shape for both DT and non-DT based booting.

  This series has not been part of linux-next and is based on top of the
  current state of the upstream kernel rather than an -rc, but this is
  the best we could manage given the earlier breakage."

* 'ux500/hickup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: ux500: Enable probing of pinctrl through Device Tree
  ARM: ux500: Add support for ab8500 regulators into the Device Tree
  ARM: ux500: Provide regulator support for SMSC911x via Device Tree
  ARM: ux500: Allow PRCMU regulator to be probed during a DT enabled boot
  ARM: ux500: Apply db8500-prcmu regulator information to db8500 Device Tree
  ARM: ux500: Only initialise STE's UIBs on boards which support them
  ARM: ux500: Disable platform setup of the ab8500 when DT is enabled
  ARM: ux500: Use correct format for dynamic IRQ assignment
  ARM: ux500: Re-enable SMSC911x platform code registration during non-DT boots
  ARM: ux500: PRCMU related configuration and layout corrections for Device Tree
  ARM: ux500: Remove DB8500 PRCMU platform registration when DT is enabled
  ARM: ux500: Disable SMSC911x platform code registration when DT is enabled
  ARM: ux500: New DT:ed u8500_init_devices for one-by-one device enablement
  ARM: ux500: New DT:ed snowball_platform_devs for one-by-one device enablement
  pinctrl-nomadik: Allow Device Tree driver probing
2012-06-01 15:46:46 -07:00
Devendra Naga
ad1be8d345 r8169: call netif_napi_del at errpaths and at driver unload
when register_netdev fails, the init'ed NAPIs by netif_napi_add must be
deleted with netif_napi_del, and also when driver unloads, it should
delete the NAPI before unregistering netdevice using unregister_netdev.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-01 18:44:32 -04:00