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Commit Graph

348887 Commits

Author SHA1 Message Date
Alan Stern
9ce45ef86c USB: EHCI: fix incorrect configuration test
This patch (as1641) fixes a minor bug in ehci-hcd left over from when
the Chipidea driver was converted to the "ehci-hcd is a library"
scheme.  The test for whether the Chipidea platform driver is active
should be IS_ENABLED(), not defined().

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-22 09:21:23 -08:00
Roger Quadros
9ec6e9d3cb USB: EHCI: Move definition of EHCI_STATS to ehci.h
Without this, platform drivers e.g. ehci-omap.c will see a
different version of struct ehci_hcd than ehci-hcd.c and
break reference to 'debug_dir' and 'priv' members when
CONFIG_USB_DEBUG is enabled.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-22 09:21:23 -08:00
Alan Stern
0f815a0a70 USB: UHCI: fix IRQ race during initialization
This patch (as1644) fixes a race that occurs during startup in
uhci-hcd.  If the IRQ line is shared with other devices, it's possible
for the handler routine to be called before the data structures are
fully initialized.

The problem is fixed by adding a check to the IRQ handler routine.  If
the initialization hasn't finished yet, the routine will return
immediately.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Don Zickus <dzickus@redhat.com>
Tested-by: "Huang, Adrian (ISS Linux TW)" <adrian.huang@hp.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-22 08:55:13 -08:00
Greg Kroah-Hartman
ad2e632966 usb: fixes for v3.8-rc5
Finally we have a build fix for fsl-mxc-udc UDC driver.
 
 We also have a fix for ep0 maxburst setting on DWC3
 which could confuse the HW if we tell it we had way
 too many streams on that endpoint when it _has_ to be
 only one.
 
 cppi_dma support for MUSB got a fix when running as a
 module. By dropping the wrong __init annotation, the
 function will be available even when we're modules and
 we're done with .init.text section.
 
 Last, but not least, we have a fix on FunctionFS which
 was causing a bug on our option parsing algorithm.
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Merge tag 'fixes-for-v3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

Felipe writes:

  usb: fixes for v3.8-rc5

  Finally we have a build fix for fsl-mxc-udc UDC driver.

  We also have a fix for ep0 maxburst setting on DWC3
  which could confuse the HW if we tell it we had way
  too many streams on that endpoint when it _has_ to be
  only one.

  cppi_dma support for MUSB got a fix when running as a
  module. By dropping the wrong __init annotation, the
  function will be available even when we're modules and
  we're done with .init.text section.

  Last, but not least, we have a fix on FunctionFS which
  was causing a bug on our option parsing algorithm.
2013-01-21 11:37:57 -08:00
Benoit Goby
b810075002 usb: gadget: FunctionFS: Fix missing braces in parse_opts
Add missing braces around an if block in ffs_fs_parse_opts. This broke
parsing the uid/gid mount options and causes mount to fail when using
uid/gid. This has been introduced by commit b9b73f7c (userns: Convert usb
functionfs to use kuid/kgid where appropriate) in 3.7.

Cc: <stable@vger.kernel.org>
Signed-off-by: Benoit Goby <benoit@android.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:11:11 +02:00
Pratyush Anand
6048e4c69d usb: dwc3: gadget: fix ep->maxburst for ep0
dwc3_gadget_set_ep_config expects maxburst as incremented by 1. So, by
default initialize ep->maxburst to 1 for ep0.

Cc: <stable@vger.kernel.org>
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:11:00 +02:00
Peter Chen
61c4b560e9 ARM: i.MX clock: Change the connection-id for fsl-usb2-udc
As we use platform_device_id for fsl-usb2-udc driver, it needs to
change clk connection-id, or the related devm_clk_get will be failed.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:08:22 +02:00
Peter Chen
c2c9caa947 usb: gadget: fsl_mxc_udc: replace MX35_IO_ADDRESS to ioremap
As mach/hardware.h is deleted, we can't visit platform code at driver.
It has no phy driver to combine with this controller, so it has to use
ioremap to map phy address as a workaround.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:08:21 +02:00
Peter Chen
f0ea8834df usb: gadget: fsl-mxc-udc: replace cpu_is_xxx() with platform_device_id
As mach/hardware.h is deleted, we need to use platform_device_id to
differentiate SoCs. Besides, one cpu_is_mx35 is useless as it has
already used pdata to differentiate runtime

Meanwhile we update the platform code accordingly.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:08:20 +02:00
Sergei Shtylyov
091a62c9b3 usb: musb: cppi_dma: drop '__init' annotation
This patch fixes the following:

WARNING: vmlinux.o(.text+0x1e709c): Section mismatch in reference from the funct
ion dma_controller_create() to the function .init.text:cppi_controller_start()
The function dma_controller_create() references
the function __init cppi_controller_start().
This is often because dma_controller_create lacks a __init
annotation or the annotation of cppi_controller_start is wrong.

This warning is there due to the deficiency in the commit 07a67bbb (usb: musb:
Make dma_controller_create __devinit).

Since the start() method is only called from musb_init_controller() which is
not annotated, drop '__init' annotation from cppi_controller_start() and also
cppi_pool_init() since it gets called from that function, to avoid another
section mismatch warning...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: stable@vger.kernel.org # 3.7+
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-18 14:08:18 +02:00
Linus Torvalds
7d1f9aeff1 Linux 3.8-rc4 2013-01-17 19:25:45 -08:00
Wolfgang Frisch
1ee0a224bc USB: io_ti: Fix NULL dereference in chase_port()
The tty is NULL when the port is hanging up.
chase_port() needs to check for this.

This patch is intended for stable series.
The behavior was observed and tested in Linux 3.2 and 3.7.1.

Johan Hovold submitted a more elaborate patch for the mainline kernel.

[   56.277883] usb 1-1: edge_bulk_in_callback - nonzero read bulk status received: -84
[   56.278811] usb 1-1: USB disconnect, device number 3
[   56.278856] usb 1-1: edge_bulk_in_callback - stopping read!
[   56.279562] BUG: unable to handle kernel NULL pointer dereference at 00000000000001c8
[   56.280536] IP: [<ffffffff8144e62a>] _raw_spin_lock_irqsave+0x19/0x35
[   56.281212] PGD 1dc1b067 PUD 1e0f7067 PMD 0
[   56.282085] Oops: 0002 [#1] SMP
[   56.282744] Modules linked in:
[   56.283512] CPU 1
[   56.283512] Pid: 25, comm: khubd Not tainted 3.7.1 #1 innotek GmbH VirtualBox/VirtualBox
[   56.283512] RIP: 0010:[<ffffffff8144e62a>]  [<ffffffff8144e62a>] _raw_spin_lock_irqsave+0x19/0x35
[   56.283512] RSP: 0018:ffff88001fa99ab0  EFLAGS: 00010046
[   56.283512] RAX: 0000000000000046 RBX: 00000000000001c8 RCX: 0000000000640064
[   56.283512] RDX: 0000000000010000 RSI: ffff88001fa99b20 RDI: 00000000000001c8
[   56.283512] RBP: ffff88001fa99b20 R08: 0000000000000000 R09: 0000000000000000
[   56.283512] R10: 0000000000000000 R11: ffffffff812fcb4c R12: ffff88001ddf53c0
[   56.283512] R13: 0000000000000000 R14: 00000000000001c8 R15: ffff88001e19b9f4
[   56.283512] FS:  0000000000000000(0000) GS:ffff88001fd00000(0000) knlGS:0000000000000000
[   56.283512] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   56.283512] CR2: 00000000000001c8 CR3: 000000001dc51000 CR4: 00000000000006e0
[   56.283512] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.283512] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   56.283512] Process khubd (pid: 25, threadinfo ffff88001fa98000, task ffff88001fa94f80)
[   56.283512] Stack:
[   56.283512]  0000000000000046 00000000000001c8 ffffffff810578ec ffffffff812fcb4c
[   56.283512]  ffff88001e19b980 0000000000002710 ffffffff812ffe81 0000000000000001
[   56.283512]  ffff88001fa94f80 0000000000000202 ffffffff00000001 0000000000000296
[   56.283512] Call Trace:
[   56.283512]  [<ffffffff810578ec>] ? add_wait_queue+0x12/0x3c
[   56.283512]  [<ffffffff812fcb4c>] ? usb_serial_port_work+0x28/0x28
[   56.283512]  [<ffffffff812ffe81>] ? chase_port+0x84/0x2d6
[   56.283512]  [<ffffffff81063f27>] ? try_to_wake_up+0x199/0x199
[   56.283512]  [<ffffffff81263a5c>] ? tty_ldisc_hangup+0x222/0x298
[   56.283512]  [<ffffffff81300171>] ? edge_close+0x64/0x129
[   56.283512]  [<ffffffff810612f7>] ? __wake_up+0x35/0x46
[   56.283512]  [<ffffffff8106135b>] ? should_resched+0x5/0x23
[   56.283512]  [<ffffffff81264916>] ? tty_port_shutdown+0x39/0x44
[   56.283512]  [<ffffffff812fcb4c>] ? usb_serial_port_work+0x28/0x28
[   56.283512]  [<ffffffff8125d38c>] ? __tty_hangup+0x307/0x351
[   56.283512]  [<ffffffff812e6ddc>] ? usb_hcd_flush_endpoint+0xde/0xed
[   56.283512]  [<ffffffff8144e625>] ? _raw_spin_lock_irqsave+0x14/0x35
[   56.283512]  [<ffffffff812fd361>] ? usb_serial_disconnect+0x57/0xc2
[   56.283512]  [<ffffffff812ea99b>] ? usb_unbind_interface+0x5c/0x131
[   56.283512]  [<ffffffff8128d738>] ? __device_release_driver+0x7f/0xd5
[   56.283512]  [<ffffffff8128d9cd>] ? device_release_driver+0x1a/0x25
[   56.283512]  [<ffffffff8128d393>] ? bus_remove_device+0xd2/0xe7
[   56.283512]  [<ffffffff8128b7a3>] ? device_del+0x119/0x167
[   56.283512]  [<ffffffff812e8d9d>] ? usb_disable_device+0x6a/0x180
[   56.283512]  [<ffffffff812e2ae0>] ? usb_disconnect+0x81/0xe6
[   56.283512]  [<ffffffff812e4435>] ? hub_thread+0x577/0xe82
[   56.283512]  [<ffffffff8144daa7>] ? __schedule+0x490/0x4be
[   56.283512]  [<ffffffff8105798f>] ? abort_exclusive_wait+0x79/0x79
[   56.283512]  [<ffffffff812e3ebe>] ? usb_remote_wakeup+0x2f/0x2f
[   56.283512]  [<ffffffff812e3ebe>] ? usb_remote_wakeup+0x2f/0x2f
[   56.283512]  [<ffffffff810570b4>] ? kthread+0x81/0x89
[   56.283512]  [<ffffffff81057033>] ? __kthread_parkme+0x5c/0x5c
[   56.283512]  [<ffffffff8145387c>] ? ret_from_fork+0x7c/0xb0
[   56.283512]  [<ffffffff81057033>] ? __kthread_parkme+0x5c/0x5c
[   56.283512] Code: 8b 7c 24 08 e8 17 0b c3 ff 48 8b 04 24 48 83 c4 10 c3 53 48 89 fb 41 50 e8 e0 0a c3 ff 48 89 04 24 e8 e7 0a c3 ff ba 00 00 01 00
<f0> 0f c1 13 48 8b 04 24 89 d1 c1 ea 10 66 39 d1 74 07 f3 90 66
[   56.283512] RIP  [<ffffffff8144e62a>] _raw_spin_lock_irqsave+0x19/0x35
[   56.283512]  RSP <ffff88001fa99ab0>
[   56.283512] CR2: 00000000000001c8
[   56.283512] ---[ end trace 49714df27e1679ce ]---

Signed-off-by: Wolfgang Frisch <wfpub@roembden.net>
Cc: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 17:34:39 -08:00
Bjørn Mork
99beb2e968 USB: option: add TP-LINK HSUPA Modem MA180
The driver description files gives these names to the vendor specific
functions on this modem:

 Diagnostics VID_2357&PID_0201&MI_00
 NMEA        VID_2357&PID_0201&MI_01
 Modem       VID_2357&PID_0201&MI_03
 Networkcard VID_2357&PID_0201&MI_04

Reported-by: Thomas Schäfer <tschaefer@t-online.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 17:34:39 -08:00
Bjørn Mork
2291dff02e USB: option: blacklist network interface on ONDA MT8205 4G LTE
The driver description files gives these names to the vendor specific
functions on this modem:

 Diag   VID_19D2&PID_0265&MI_00
 NMEA   VID_19D2&PID_0265&MI_01
 AT cmd VID_19D2&PID_0265&MI_02
 Modem  VID_19D2&PID_0265&MI_03
 Net    VID_19D2&PID_0265&MI_04

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-17 17:34:38 -08:00
Linus Torvalds
72ffaa48e1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 patches from Martin Schwidefsky:
 "A couple of bug fixes: one of the transparent huge page primitives is
  broken, the sched_clock function overflows after 417 days, the XFS
  module has grown too large for -fpic and the new pci code has broken
  normal channel subsystem notifications."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/chsc: fix SEI usage
  s390/time: fix sched_clock() overflow
  s390: use -fPIC for module compile
  s390/mm: fix pmd_pfn() for thp
2013-01-17 08:56:30 -08:00
Linus Torvalds
dfdebc2483 xfs: bugfixes for 3.8-rc4
- fix(es) for compound buffers
 - fix for dquot soft timer asserts due to overflow of d_blk_softlimit
 - fix for regression in dir v2 code introduced in commit 20f7e9f3
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Merge tag 'for-linus-v3.8-rc4' of git://oss.sgi.com/xfs/xfs

Pull xfs bugfixes from Ben Myers:

 - fix(es) for compound buffers

 - fix for dquot soft timer asserts due to overflow of d_blk_softlimit

 - fix for regression in dir v2 code introduced in commit 20f7e9f372
   ("xfs: factor dir2 block read operations")

* tag 'for-linus-v3.8-rc4' of git://oss.sgi.com/xfs/xfs:
  xfs: recalculate leaf entry pointer after compacting a dir2 block
  xfs: remove int casts from debug dquot soft limit timer asserts
  xfs: fix the multi-segment log buffer format
  xfs: fix segment in xfs_buf_item_format_segment
  xfs: rename bli_format to avoid confusion with bli_formats
  xfs: use b_maps[] for discontiguous buffers
2013-01-16 16:19:54 -08:00
Linus Torvalds
309b51e879 ACPI and power management fixes for 3.8-rc4
* cpuidle initialization regression fix from Krzysztof Mazur.
 
 * cpuidle fix for power usage fields handling from Daniel Lezcano.
 
 * ACPI build fix from Yinghai Lu.
 
 -
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Merge tag 'pm+acpi-for-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:

 - cpuidle regression fix related to the initialization of state
   kobjects from Krzysztof Mazur.

 - cpuidle fix removing some not very useful code and making some
   user-visible problems go away at the same time.  From Daniel Lezcano.

 - ACPI build fix from Yinghai Lu.

* tag 'pm+acpi-for-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpuidle: remove the power_specified field in the driver
  ACPI / glue: Fix build with ACPI_GLUE_DEBUG set
  cpuidle: fix number of initialized/destroyed states
2013-01-16 14:34:52 -08:00
Eric Sandeen
37f13561de xfs: recalculate leaf entry pointer after compacting a dir2 block
Dave Jones hit this assert when doing a compile on recent git, with
CONFIG_XFS_DEBUG enabled:

XFS: Assertion failed: (char *)dup - (char *)hdr == be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)), file: fs/xfs/xfs_dir2_data.c, line: 828

Upon further digging, the tag found by xfs_dir2_data_unused_tag_p(dup)
contained "2" and not the proper offset, and I found that this value was
changed after the memmoves under "Use a stale leaf for our new entry."
in xfs_dir2_block_addname(), i.e.

                        memmove(&blp[mid + 1], &blp[mid],
                                (highstale - mid) * sizeof(*blp));

overwrote it.

What has happened is that the previous call to xfs_dir2_block_compact()
has rearranged things; it changes btp->count as well as the
blp array.  So after we make that call, we must recalculate the
proper pointer to the leaf entries by making another call to
xfs_dir2_block_leaf_p().

Dave provided a metadump image which led to a simple reproducer
(create a particular filename in the affected directory) and this
resolves the testcase as well as the bug on his live system.

Thanks also to dchinner for looking at this one with me.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Tested-by: Dave Jones <davej@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
2013-01-16 16:08:55 -06:00
Brian Foster
ab7eac2200 xfs: remove int casts from debug dquot soft limit timer asserts
The int casts here make it easy to trigger an assert with a large
soft limit. For example, set a >4TB soft limit on an empty volume
to reproduce a (0 > -x) comparison due to an overflow of
d_blk_softlimit.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
2013-01-16 16:08:40 -06:00
Mark Tinguely
91e4bac0b7 xfs: fix the multi-segment log buffer format
Per Dave Chinner suggestion, this patch:
 1) Corrects the detection of whether a multi-segment buffer is
    still tracking data.
 2) Clears all the buffer log formats for a multi-segment buffer.

Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
2013-01-16 16:08:08 -06:00
Mark Tinguely
2d0e9df579 xfs: fix segment in xfs_buf_item_format_segment
Not every segment in a multi-segment buffer is dirty in a
transaction and they will not be outputted. The assert in
xfs_buf_item_format_segment() that checks for the at least
one chunk of data in the segment to be used is not necessary
true for multi-segmented buffers.

Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
2013-01-16 16:07:56 -06:00
Mark Tinguely
0f22f9d0cd xfs: rename bli_format to avoid confusion with bli_formats
Rename the bli_format structure to __bli_format to avoid
accidently confusing them with the bli_formats pointer.

Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
2013-01-16 16:07:37 -06:00
Mark Tinguely
d44d9bc68e xfs: use b_maps[] for discontiguous buffers
Commits starting at 77c1a08 introduced a multiple segment support
to xfs_buf. xfs_trans_buf_item_match() could not find a multi-segment
buffer in the transaction because it was looking at the single segment
block number rather than the multi-segment b_maps[0].bm.bn. This
results on a recursive buffer lock that can never be satisfied.

This patch:
 1) Changed the remaining b_map accesses to be b_maps[0] accesses.
 2) Renames the single segment b_map structure to __b_map to avoid
    future confusion.

Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
2013-01-16 16:07:11 -06:00
Kirill Smelkov
3a55fb0d9f Tell the world we gave up on pushing CC_OPTIMIZE_FOR_SIZE
In commit 281dc5c5ec ("Give up on pushing CC_OPTIMIZE_FOR_SIZE") we
already changed the actual default value, but the help-text still
suggested 'y'. Fix the help text too, for all the same reasons.

Sadly, -Os keeps on generating some very suboptimal code for certain
cases, to the point where any I$ miss upside is swamped by the downside.
The main ones are:

 - using "rep movsb" for memcpy, even on CPU's where that is
   horrendously bad for performance.

 - not honoring branch prediction information, so any I$ footprint you
   win from smaller code, you lose from less code density in the I$.

 - using divide instructions when that is very expensive.

Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-16 12:42:57 -08:00
Chuansheng Liu
fbfc23ef90 mfd, TWL4030: TWL4030 need select REGMAP_I2C
Fix the build error:

  drivers/built-in.o: In function `twl_probe':
  drivers/mfd/twl-core.c:1256: undefined reference to `devm_regmap_init_i2c'
  make: *** [vmlinux] Error 1

Signed-off-by: liu chuansheng <chuansheng.liu@intel.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[ Samuel is busy, taking it directly  - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-16 12:36:22 -08:00
Ralf Baechle
30a4840a4c drivers/base/cpu.c: Fix typo in comment
[ We should make fun of people who can't speel too, but then we'd have
  no time for any real work at all  - Linus ]

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-16 12:34:34 -08:00
Jiri Kosina
e65b9ad222 lockdep, rwsem: fix down_write_nest_lock() if !CONFIG_DEBUG_LOCK_ALLOC
Commit 1b963c81b1 ("lockdep, rwsem: provide down_write_nest_lock()")
contains a bug in a codepath when CONFIG_DEBUG_LOCK_ALLOC is disabled,
which causes down_read() to be called instead of down_write() by mistake
on such configurations.  Fix that.

Reported-and-tested-by: Andrew Clayton <andrew@digital-domain.net>
Reported-and-tested-by: Zlatko Calusic <zlatko.calusic@iskon.hr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-16 12:13:20 -08:00
Linus Torvalds
36e7a96ceb Sound fixes #2 for 3.8-rc4
Yet a few more fixes popped up in this week.
 
 The biggest change here is the addition of pinctrl support for Atmel,
 which turned out to be almost mandatory to make things working.
 
 The rest are a few fixes for M-Audio usb-audio device and a fix for
 regression of HD-audio HDMI codecs with alsactl in the recent kernel.
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Merge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull second round of sound fixes from Takashi Iwai:
 "Yet a few more fixes popped up in this week.

  The biggest change here is the addition of pinctrl support for Atmel,
  which turned out to be almost mandatory to make things working.

  The rest are a few fixes for M-Audio usb-audio device and a fix for
  regression of HD-audio HDMI codecs with alsactl in the recent kernel."

* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/hdmi - Work around "alsactl restore" errors
  ALSA: usb-audio: selector map for M-Audio FT C400
  ALSA: usb-audio: M-Audio FT C400 skip packet quirk
  ALSA: usb-audio: correct M-Audio C400 clock source quirk
  ALSA: usb - fix race in creation of M-Audio Fast track pro driver
  ASoC: atmel-ssc: add pinctrl selection to driver
  ARM: at91/dts: add pinctrl support for SSC peripheral
2013-01-16 11:33:52 -08:00
Linus Torvalds
ce0f706e41 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull scsi target fixes from Nicholas Bellinger:
 "This includes an important >= v3.6 regression bugfix for active I/O
  shutdown (Roland), some TMR related failure / corner cases fixes for
  long outstanding I/O (Roland), two FCoE target mode fabric fabric role
  fixes (MDR), a fix for an incorrect sense code during LUN
  communication failure (Dr. Hannes), plus a handful of other minor
  fixes.

  There are still some outstanding zero-length control CDB regression
  fixes that need to be addressed for v3.8, that will be coming in a
  follow-up PULL request."

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  iscsi-target: Fix CmdSN comparison (use cmd->cmd_sn instead of cmd->stat_sn)
  target: Release se_cmd when LUN lookup fails for TMR
  target: Fix use-after-free in LUN RESET handling
  target: Fix missing CMD_T_ACTIVE bit regression for pending WRITEs
  tcm_fc: Do not report target role when target is not defined
  tcm_fc: Do not indicate retry capability to initiators
  target: Use TCM_NO_SENSE for initialisation
  target: Introduce TCM_NO_SENSE
  target: use correct sense code for LUN communication failure
2013-01-16 11:13:39 -08:00
Linus Torvalds
31db720643 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext3 and udf fixes from Jan Kara:
 "One ext3 performance regression fix and one udf regression fix (oops
  on interrupted mount)."

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  UDF: Fix a null pointer dereference in udf_sb_free_partitions
  jbd: don't wake kjournald unnecessarily
2013-01-16 10:55:10 -08:00
Linus Torvalds
56400b55c0 Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull s390 KVM fix from Gleb Natapov.

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  s390/kvm: Fix BUG in include/linux/kvm_host.h:745
2013-01-16 10:17:09 -08:00
Linus Torvalds
aa8b550c89 SuperH fixes for 3.8-rc4
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH fixes from Paul Mundt.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
  sh: ecovec: add sample amixer settings
  sh: Fix up stack debugging build.
  sh: wire up finit_module syscall.
  sh: Fix FDPIC binary loader
  sh: clkfwk: bugfix: sh_clk_div_enable() care sh_clk_div_set_rate() if div6
  sh: define TASK_UNMAPPED_BASE as a page aligned constant
2013-01-16 10:13:04 -08:00
Linus Torvalds
a6d3bd274b - Page protection fixes, including proper PAGE_NONE handling
- Timezone vdso sequence counting fix
 - Additional compat syscall wiring
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

Pull arm64 fixes from Catalin Marinas:
 - Page protection fixes, including proper PAGE_NONE handling
 - Timezone vdso sequence counting fix
 - Additional compat syscall wiring

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  arm64: compat: add syscall table entries for new syscalls
  arm64: mm: introduce present, faulting entries for PAGE_NONE
  arm64: mm: only wrprotect clean ptes if they are present
  arm64: vdso: remove broken, redundant sequence counting for timezones
2013-01-16 09:44:40 -08:00
Linus Torvalds
2409c873be Merge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "This is mainly a workaround for a bug in Sandy Bridge graphics which
  causes corruption of certain memory pages."

* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/Sandy Bridge: Sandy Bridge workaround depends on CONFIG_PCI
  x86/Sandy Bridge: mark arrays in __init functions as __initconst
  x86/Sandy Bridge: reserve pages when integrated graphics is present
  x86, efi: correct precedence of operators in setup_efi_pci
2013-01-16 09:11:50 -08:00
Timur Tabi
c4ef9bc4f7 MAINTAINERS: update email address for Timur Tabi
Timur Tabi no longer works for Freescale, so update the email address
and status for all of his maintained projects.

Also mark the QE library as orphaned, for lack of interest in
maintaining it.

The CS4270 driver is marked as "Odd Fixes" because appropriate hardware
is no longer available.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-16 09:11:09 -08:00
Luciano Coelho
4adf07fba3 firmware: make sure the fw file size is not 0
If the requested firmware file size is 0 bytes in the filesytem, we
will try to vmalloc(0), which causes a warning:

  vmalloc: allocation failure: 0 bytes
  kworker/1:1: page allocation failure: order:0, mode:0xd2
    __vmalloc_node_range+0x164/0x208
    __vmalloc_node+0x4c/0x58
    vmalloc+0x38/0x44
    _request_firmware_load+0x220/0x6b0
    request_firmware+0x64/0xc8
    wl18xx_setup+0xb4/0x570 [wl18xx]
    wlcore_nvs_cb+0x64/0x9f8 [wlcore]
    request_firmware_work_func+0x94/0x100
    process_one_work+0x1d0/0x750
    worker_thread+0x184/0x4ac
    kthread+0xb4/0xc0

To fix this, check whether the file size is less than or equal to zero
in fw_read_file_contents().

Cc: stable <stable@vger.kernel.org> [3.7]
Signed-off-by: Luciano Coelho <coelho@ti.com>
Acked-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-16 09:09:53 -08:00
Tejun Heo
774a1221e8 module, async: async_synchronize_full() on module init iff async is used
If the default iosched is built as module, the kernel may deadlock
while trying to load the iosched module on device probe if the probing
was running off async.  This is because async_synchronize_full() at
the end of module init ends up waiting for the async job which
initiated the module loading.

 async A				modprobe

 1. finds a device
 2. registers the block device
 3. request_module(default iosched)
					4. modprobe in userland
					5. load and init module
					6. async_synchronize_full()

Async A waits for modprobe to finish in request_module() and modprobe
waits for async A to finish in async_synchronize_full().

Because there's no easy to track dependency once control goes out to
userland, implementing properly nested flushing is difficult.  For
now, make module init perform async_synchronize_full() iff module init
has queued async jobs as suggested by Linus.

This avoids the described deadlock because iosched module doesn't use
async and thus wouldn't invoke async_synchronize_full().  This is
hacky and incomplete.  It will deadlock if async module loading nests;
however, this works around the known problem case and seems to be the
best of bad options.

For more details, please refer to the following thread.

  http://thread.gmane.org/gmane.linux.kernel/1420814

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Alex Riesen <raa.lkml@gmail.com>
Tested-by: Ming Lei <ming.lei@canonical.com>
Tested-by: Alex Riesen <raa.lkml@gmail.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-16 09:05:33 -08:00
Sebastian Ott
509d97b6f9 s390/chsc: fix SEI usage
cbc0dd1 "s390/pci: CHSC PCI support for error and availability events"
introduced a new SEI notification type as part of pci support.
The way SEI was called with nt2 and nt0 consecutive broke the nt0
stuff used for channel subsystem notifications.

The reason why this was broken with the mentioned patch is that you
cannot selectively disable type 0 notifications (so even when asked
for type 2 only, type 0 could be presented).

The way to do it is to tell SEI which types of notification you can
process and -this is the important part- look at the SEI result which
notification type you actually received.

Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Tested-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-01-16 15:57:54 +01:00
Heiko Carstens
ed4f20943c s390/time: fix sched_clock() overflow
Converting a 64 Bit TOD format value to nanoseconds means that the value
must be divided by 4.096. In order to achieve that we multiply with 125
and divide by 512.
When used within sched_clock() this triggers an overflow after appr.
417 days. Resulting in a sched_clock() return value that is much smaller
than previously and therefore may cause all sort of weird things in
subsystems that rely on a monotonic sched_clock() behaviour.

To fix this implement a tod_to_ns() helper function which converts TOD
values without overflow and call this function from both places that
open coded the conversion: sched_clock() and kvm_s390_handle_wait().

Cc: stable@kernel.org
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-01-16 15:57:52 +01:00
Kuninori Morimoto
035688d9c6 sh: ecovec: add sample amixer settings
FSI - DA7210 needs amixer settings to use it.
This patch adds quick setting guide

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2013-01-16 18:30:44 +09:00
Will Deacon
72d0ac048f arm64: compat: add syscall table entries for new syscalls
There have been a number of new syscalls introduced to arch/arm/ since
the compat layer was implemented for arm64, so add pointers to the
relevant functions to the compat syscall table.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2013-01-15 17:15:16 +00:00
Takashi Iwai
6f54c36132 ALSA: hda/hdmi - Work around "alsactl restore" errors
When "alsactl restore" is performed on HDMI codecs, it tries to
restore the channel map value since the channel map controls are
writable.  But hdmi_chmap_ctl_put() returns -EBADFD when no PCM stream
is assigned yet, and this results in an error message from alsactl.
Although the error is harmless, it's certainly ugly and can be
regarded as a regression.

As a workaround, this patch changes the return code in such a case to
be zero for making others happy.  (A slight excuse is: when the chmap
is changed through the proper alsa-lib API, the PCM status is checked
there anyway, so we don't have to be too strict in the kernel side.)

Cc: <stable@vger.kernel.org> [v3.7+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-15 14:55:16 +01:00
Daniel Lezcano
8aef33a7cf cpuidle: remove the power_specified field in the driver
We realized that the power usage field is never filled and when it
is filled for tegra, the power_specified flag is not set causing all
of these values to be reset when the driver is initialized with
set_power_state().

However, the power_specified flag can be simply removed under the
assumption that the states are always backward sorted, which is the
case with the current code.

This change allows the menu governor select function and the
cpuidle_play_dead() to be simplified.  Moreover, the
set_power_states() function can removed as it does not make sense
any more.

Drop the power_specified flag from struct cpuidle_driver and make
the related changes as described above.

As a consequence, this also fixes the bug where on the dynamic
C-states system, the power fields are not initialized.

[rjw: Changelog]
References: https://bugzilla.kernel.org/show_bug.cgi?id=42870
References: https://bugzilla.kernel.org/show_bug.cgi?id=43349
References: https://lkml.org/lkml/2012/10/16/518
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-01-15 14:18:04 +01:00
Takashi Iwai
2e4c4dbed0 ASoC: atmel: Fixes for pinctrl
Due to a series of problems with the handling of Atmel, a combination of
 making changes that make other branches instantly buggy and a general
 failure to deal with the resulting issues effectively, v3.8 Atmel audio
 currently won't work at all for DT boards without adding pinctrl
 definitions and a request for those.
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Merge tag 'asoc-atmel-pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: atmel: Fixes for pinctrl

Due to a series of problems with the handling of Atmel, a combination of
making changes that make other branches instantly buggy and a general
failure to deal with the resulting issues effectively, v3.8 Atmel audio
currently won't work at all for DT boards without adding pinctrl
definitions and a request for those.
2013-01-15 07:51:25 +01:00
Linus Torvalds
406089d015 The clean up patch commit 0fb9656d "tracing: Make tracing_enabled be equal
to tracing_on" caused two regressions.
 
 1) The irqs off latency tracer no longer starts if tracing_on is off
   when the tracer is set, and then tracing_on is enabled. The tracing_on
   file needs the hook that tracing_enabled had to enable tracers if they
   request it (call the tracer's start() method).
 
 2) That commit had a separate change that really should have been a
   separate patch, but it must have been added accidently with the -a
   option of git commit. But as the change is still related to the commit
   it wasn't noticed in review. That change, changed the way blocking is
   done by the trace_pipe file with respect to the tracing_on settings.
   I've been told that this change breaks current userspace, and this
   specific change is being reverted.
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Merge tag 'trace-3.8-rc3-regression-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing regression fixes from Steven Rostedt:
 "The clean up patch commit 0fb9656d95 "tracing: Make tracing_enabled
  be equal to tracing_on" caused two regressions.

   1) The irqs off latency tracer no longer starts if tracing_on is off
      when the tracer is set, and then tracing_on is enabled.  The
      tracing_on file needs the hook that tracing_enabled had to enable
      tracers if they request it (call the tracer's start() method).

   2) That commit had a separate change that really should have been a
      separate patch, but it must have been added accidently with the -a
      option of git commit.  But as the change is still related to the
      commit it wasn't noticed in review.  That change, changed the way
      blocking is done by the trace_pipe file with respect to the
      tracing_on settings.  I've been told that this change breaks
      current userspace, and this specific change is being reverted."

* tag 'trace-3.8-rc3-regression-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Fix regression of trace_pipe
  tracing: Fix regression with irqsoff tracer and tracing_on file
2013-01-14 20:22:16 -08:00
Linus Torvalds
7dea1ff3b7 regmap: Optimisation fixes for debugfs
The debugfs optimisations merged in v3.8 weren't my finest hour, there
 were a number of cases that the more complex algorithm made worse
 especially around the error handling. This patch series should address
 those issues.
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Merge tag 'regmap-debugfs-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap debugfs optimisation fixes from Mark Brown:
 "The debugfs optimisations merged in v3.8 weren't my finest hour, there
  were a number of cases that the more complex algorithm made worse
  especially around the error handling.  This patch series should
  address those issues."

* tag 'regmap-debugfs-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: debugfs: Make sure we store the last entry in the offset cache
  regmap: debugfs: Ensure a correct return value for empty caches
  regmap: debugfs: Discard the cache if we fail to allocate an entry
  regmap: debugfs: Fix check for block start in cached seeks
  regmap: debugfs: Fix attempts to read nonexistant register blocks
2013-01-14 20:20:44 -08:00
Linus Torvalds
2ac1e664a9 regulator: Fixes for 3.8
A few fixes for the regulator subsystems, a few driver specific things
 plus a fix for the interaction between regultor_can_change_voltage() and
 continuous voltage ranges both of which were added for this release.
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Merge tag 'regulator-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A few fixes for the regulator subsystems, a few driver specific things
  plus a fix for the interaction between regultor_can_change_voltage()
  and continuous voltage ranges both of which were added for this
  release."

* tag 'regulator-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: max8998: Ensure enough delay time for max8998_set_voltage_buck_time_sel
  regulator: max8998: Use uV in voltage_map_desc
  regulator: max8997: Use uV in voltage_map_desc
  regulator: core: Fix comment for regulator_register()
  regulator: core: Fix continuous_voltage_range case in regulator_can_change_voltage
  regulator: s5m8767: Fix probe failure due to stack corruption
2013-01-14 20:20:03 -08:00
Mark Brown
e3d5b2f570 Merge remote-tracking branch 'regulator/fix/s5m8767' into tmp 2013-01-15 09:38:59 +09:00
Mark Brown
3ab91da2f1 Merge remote-tracking branch 'regulator/fix/max8998' into tmp 2013-01-15 09:38:56 +09:00
Mark Brown
c63184673e Merge remote-tracking branch 'regulator/fix/max8997' into tmp 2013-01-15 09:38:51 +09:00