Commit Graph

511 Commits

Author SHA1 Message Date
Greg Kroah-Hartman
09091a4d5f Merge 3.4-rc4 into usb-next.
This resolves the conflict in:
	drivers/usb/host/ehci-fsl.c
And picks up loads of xhci bugfixes to make it easier for others to test
with.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-22 15:25:26 -07:00
Jesper Juhl
e44fabbe7f usb/storage/ene_ub6250: Remove redundant NULL check before release_firmware() and pointless assignment
release_firmware() tests for a NULL pointer, so it's redundant to do
that checking before calling it.

Additionally, in ene_load_bincode(), 'sd_fw' is a local variable so
setting it to NULL just before it goes out of scope is completely
pointless, so remove that assignment.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-18 13:52:35 -07:00
Ming Lei
c825bab0ce usb: storage: fix lockdep warning inside usb_stor_pre_reset(v2)
This patch fixes one lockdep warning[1] inside usb_stor_pre_reset.

If the current configuration includes multiple mass storage interfaces,
the 'AA' lockdep warning will be triggered since the lock class of
'us->dev_mutex' is acquired two times in .reset path. It isn't
a real deadlock, so just take the lockdep_set_class annotation to
remove the warning.

[1], lockdep warning log
:[ INFO: possible recursive locking detected ]
:3.3.0-0.rc5.git3.1.fc17.x86_64 #1 Tainted: G        W
:---------------------------------------------
:usb-storage/14846 is trying to acquire lock:
: (&(us->dev_mutex)){+.+.+.}, at: [<ffffffffa0481c0c>] usb_stor_pre_reset+0x1c/0x20 [usb_storage]
:but task is already holding lock:
: (&(us->dev_mutex)){+.+.+.}, at: [<ffffffffa0481c0c>] usb_stor_pre_reset+0x1c/0x20 [usb_storage]
:other info that might help us debug this:
: Possible unsafe locking scenario:
:       CPU0
:       ----
:  lock(&(us->dev_mutex));
:  lock(&(us->dev_mutex));
: *** DEADLOCK ***
: May be due to missing lock nesting notation
:2 locks held by usb-storage/14846:
: #0:  (&__lockdep_no_validate__){......}, at: [<ffffffff8147e6a5>] usb_lock_device_for_reset+0x95/0x100
: #1:  (&(us->dev_mutex)){+.+.+.}, at: [<ffffffffa0481c0c>] usb_stor_pre_reset+0x1c/0x20 [usb_storage]
:stack backtrace:
:Pid: 14846, comm: usb-storage Tainted: G        W 3.3.0-0.rc5.git3.1.fc17.x86_64 #1
:Call Trace:
: [<ffffffff810cbdaf>] __lock_acquire+0x168f/0x1bb0
: [<ffffffff81021083>] ? native_sched_clock+0x13/0x80
: [<ffffffff810210f9>] ? sched_clock+0x9/0x10
: [<ffffffff810210f9>] ? sched_clock+0x9/0x10
: [<ffffffff810a2975>] ? sched_clock_local+0x25/0xa0
: [<ffffffff810cc9a1>] lock_acquire+0xa1/0x1e0
: [<ffffffffa0481c0c>] ? usb_stor_pre_reset+0x1c/0x20 [usb_storage]
: [<ffffffff81699c86>] mutex_lock_nested+0x76/0x3a0
: [<ffffffffa0481c0c>] ? usb_stor_pre_reset+0x1c/0x20 [usb_storage]
: [<ffffffffa0481c0c>] ? usb_stor_pre_reset+0x1c/0x20 [usb_storage]
: [<ffffffffa0481c0c>] usb_stor_pre_reset+0x1c/0x20 [usb_storage]
: [<ffffffff8148184d>] usb_reset_device+0x7d/0x190
: [<ffffffffa048119c>] usb_stor_port_reset+0x7c/0x80 [usb_storage]
: [<ffffffffa0481234>] usb_stor_invoke_transport+0x94/0x560 [usb_storage]
: [<ffffffff810cd3b2>] ? mark_held_locks+0xb2/0x130
: [<ffffffff8169dbd0>] ? _raw_spin_unlock_irq+0x30/0x50
: [<ffffffffa047fe3e>] usb_stor_transparent_scsi_command+0xe/0x10 [usb_storage]
: [<ffffffffa0481ae3>] usb_stor_control_thread+0x173/0x280 [usb_storage]
: [<ffffffffa0481970>] ? fill_inquiry_response+0x20/0x20 [usb_storage]
: [<ffffffff8108a3f7>] kthread+0xb7/0xc0
: [<ffffffff816a7d34>] kernel_thread_helper+0x4/0x10
: [<ffffffff8169e0f4>] ? retint_restore_args+0x13/0x13
: [<ffffffff8108a340>] ? kthread_worker_fn+0x1a0/0x1a0
: [<ffffffff816a7d30>] ? gs_change+0x13/0x13

Reported-By: Dave Jones <davej@redhat.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-06 13:54:00 -07:00
Lucas De Marchi
970e248649 Documentation: remove references to /etc/modprobe.conf
Usage of /etc/modprobe.conf file was deprecated by module-init-tools and
is no longer parsed by new kmod tool. References to this file are
replaced in Documentation, comments and Kconfig according to the
context.

There are also some references to the old /etc/modules.conf from 2.4
kernels that are being removed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Sebastian Andrzej Siewior
b8db6d6402 usb/storage: redefine US_BULK_FLAG_IN and use it
US_BULK_FLAG_IN is defined as 1 and not used. The USB storage spec says
that bit 7 of flags within CBW defines the data direction. 1 is DATA-IN
(read from device) and 0 is the DATA-OUT. Bit 6 is obselete and bits 0-5
are reserved.
This patch redefines the unsued define US_BULK_FLAG_IN from 1 to 1 << 7
aka 0x80 and replaces the obvious users. In a following patch the
storage gadget will use it as well.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-28 11:07:42 -08:00
Sebastian Andrzej Siewior
7ac4704c09 usb/storage: a couple defines from drivers/usb/storage/transport.h to include/linux/usb/storage.h
This moves the BOT data structures for CBW and CSW from drivers internal
header file to global include able file in include/.
The storage gadget is using the same name for CSW but a different for
CBW so I fix it up properly. The same goes for the ub driver and keucr
driver in staging.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-28 11:05:18 -08:00
jwboyer@redhat.com
4898e07174 USB: ums_realtek: do not use stack memory for DMA in __do_config_autodelink
__do_config_autodelink passes the data variable to the transport function.
If the calling functions pass a stack variable, this will eventually trigger
a DMA-API debug backtrace for mapping stack memory in the DMA buffer.  Fix
this by calling kmemdup for the passed data instead.

Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-24 13:37:45 -08:00
Greg Kroah-Hartman
c69263c66e Merge branch 'usb-3.3-rc4' into usb-next
This is to pull in the xhci changes and the other fixes and device id
updates that were done in Linus's tree.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-23 08:21:03 -08:00
Alan Stern
bb94a40668 usb-storage: fix freezing of the scanning thread
This patch (as1521b) fixes the interaction between usb-storage's
scanning thread and the freezer.  The current implementation has a
race: If the device is unplugged shortly after being plugged in and
just as a system sleep begins, the scanning thread may get frozen
before the khubd task.  Khubd won't be able to freeze until the
disconnect processing is complete, and the disconnect processing can't
proceed until the scanning thread finishes, so the sleep transition
will fail.

The implementation in the 3.2 kernel suffers from an additional
problem.  There the scanning thread calls set_freezable_with_signal(),
and the signals sent by the freezer will mess up the thread's I/O
delays, which are all interruptible.

The solution to both problems is the same: Replace the kernel thread
used for scanning with a delayed-work routine on the system freezable
work queue.  Freezable work queues have the nice property that you can
cancel a work item even while the work queue is frozen, and no signals
are needed.

The 3.2 version of this patch solves the problem in Bugzilla #42730.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
CC: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-21 16:29:15 -08:00
Greg Kroah-Hartman
7483948fdd Merge tag 'usb-3.3-rc3' into usb-next
This is done to resolve a merge conflict with:
	drivers/usb/class/cdc-wdm.c
and to better handle future patches for this driver as it is under
active development at the moment.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-10 11:13:53 -08:00
Alan Stern
af74d2dae8 usb-storage: reorganize target-specific code
Now that usb-storage has a target_alloc() routine, this patch (as1508)
moves some existing target-specific code out of the slave_alloc()
routine to where it really belongs.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-08 17:36:41 -08:00
Alan Stern
09b6b51b0b SCSI & usb-storage: add flags for VPD pages and REPORT LUNS
This patch (as1507) adds a skip_vpd_pages flag to struct scsi_device
and a no_report_luns flag to struct scsi_target.  The first is used to
control whether sd will look at VPD pages for information on block
provisioning, limits, and characteristics.  The second prevents
scsi_report_lun_scan() from issuing a REPORT LUNS command.

The patch also modifies usb-storage to set the new flag bits for all
USB devices and targets, and to stop adjusting the scsi_level value.

Historically we have seen that USB mass-storage devices often don't
support VPD pages or REPORT LUNS properly.  Until now we have avoided
these things by setting the scsi_level to SCSI_2 for all USB devices.
But this has the side effect of storing the LUN bits into the second
byte of each CDB, and now we have a report of a device which doesn't
like that.  The best solution is to stop abusing scsi_level and
instead have separate flags for VPD pages and REPORT LUNS.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Perry Wagle <wagle@mac.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-08 17:36:41 -08:00
Sebastian Andrzej Siewior
e4d8318a85 usb/uas: make sure data urb is gone if we receive status before that
Just run into the following:
- new disk arrived in the system
- udev couldn't wait to get its hands on to to run ata_id /dev/sda
- this sent the cdb 0xa1 to the device.
- my UAS-gadget recevied the cdb and had no idea what to do with it. It
  decided to send a status URB back with sense set to invalid opcode.
- the host side received it status and completed the scsi command.
- the host sent another scsi with 4kib data buffer
- Now I was confused why the data transfer is only 512 bytes instead of
  4kib since the host is always allocating the complete transfer in one
  go.
- Finally the system crashed while walking through the sg list.

This patch adds three new flags in order to distinguish between DATA
URB completed and outstanding. If we receive status before data, we
cancel data and let data complete the command.
This solves the problem for IN and OUT transfers but does not work for
BIDI.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2012-02-02 14:51:30 -08:00
Sebastian Andrzej Siewior
348748b0e8 usb/uas: move UAS structs / defines into a header file
The protocol specific structures and defines which are used by UAS are
moved into a header files by this patch so it can be accessed by the UAS
gadget as well.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2012-02-02 14:51:11 -08:00
Sebastian Andrzej Siewior
c898add51c usb/uas: only bind if the hcd supports SG
The UAS driver requires SG support by the HCD operating the device. This
patch stops UAS from operating on a HCD without sg support and prints a
message to let him know.

The spec says:
|For [USB2] backward compatibility, the device shall present [BOT] as
|alternate interface zero (primary) and [UAS] as alternate interface one
|(secondary). A device which does not need backward compatibility with
|[BOT] shall present [UAS] as alternate interface zero. In [USB2]
|systems, the [BOT] driver or an associated filter driver may need to
|issue a SET INTERFACE request for alternate interface one and then allow
|the [UAS] driver to load.

If the user used usb_modeswitch to switch to UAS then he can go back to
BOT or use a different HCD. In case UAS is the only interface then there
is currently no way out.
In future usb_sg_wait() should be extended to provide a non-blocking
interface so it can work with the UAS driver.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2012-02-02 14:51:00 -08:00
Sarah Sharp
b603669842 UAS fixes for Sarah
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Merge tag 'uas_for_sarah' of git://linutronix.de/users/bigeasy/linux into for-uas-next

Merge UAS bug fixes from Sebastian Andrzej Siewior, including some patches of
mine that he signed.

UAS fixes for Sarah
2012-02-02 14:47:14 -08:00
Stanislaw Gruszka
b3ef051db7 USB: Realtek cr: fix autopm scheduling while atomic
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=784345

Reported-by: Francis Moreau <francis.moro@gmail.com>
Reported-and-tested-by: Christian D <chrisudeussen@gmail.com>
Reported-and-tested-by: Jimmy Dorff <jdorff@phy.duke.edu>
Reported-and-tested-by: collura@ieee.org
Cc: stable@vger.kernel.org # 3.2+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-26 11:22:41 -08:00
Huajun Li
fd7ff36d6a usb: Re-enable usb-storage support dynamic id
Enable usb-storage support dynamic id again by using a fixed id entry
that describes a device using the Bulk-Only transport with the
Transparent SCSI protocol.

Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:31:04 -08:00
Huajun Li
e73b2db6c9 usb: Disable dynamic id of USB storage subdrivers
Storage subdrivers, like alauda, datafab and others, don't support
dynamic  id currently, and it needs lots of work but with very little
gain to enable the feature, so disable them in the patch.

Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-24 14:31:03 -08:00
Linus Torvalds
55b81e6f27 Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (232 commits)
  USB: Add USB-ID for Multiplex RC serial adapter to cp210x.c
  xhci: Clean up 32-bit build warnings.
  USB: update documentation for usbmon
  usb: usb-storage doesn't support dynamic id currently, the patch disables the feature to fix an oops
  drivers/usb/class/cdc-acm.c: clear dangling pointer
  drivers/usb/dwc3/dwc3-pci.c: introduce missing kfree
  drivers/usb/host/isp1760-if.c: introduce missing kfree
  usb: option: add ZD Incorporated HSPA modem
  usb: ch9: fix up MaxStreams helper
  USB: usb-skeleton.c: cleanup open_count
  USB: usb-skeleton.c: fix open/disconnect race
  xhci: Properly handle COMP_2ND_BW_ERR
  USB: remove dead code from suspend/resume path
  USB: add quirk for another camera
  drivers: usb: wusbcore: Fix dependency for USB_WUSB
  xhci: Better debugging for critical host errors.
  xhci: Be less verbose during URB cancellation.
  xhci: Remove debugging about ring structure allocation.
  xhci: Remove debugging about toggling cycle bits.
  xhci: Remove debugging for individual transfers.
  ...
2012-01-09 12:09:47 -08:00
Linus Torvalds
98793265b4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits)
  Kconfig: acpi: Fix typo in comment.
  misc latin1 to utf8 conversions
  devres: Fix a typo in devm_kfree comment
  btrfs: free-space-cache.c: remove extra semicolon.
  fat: Spelling s/obsolate/obsolete/g
  SCSI, pmcraid: Fix spelling error in a pmcraid_err() call
  tools/power turbostat: update fields in manpage
  mac80211: drop spelling fix
  types.h: fix comment spelling for 'architectures'
  typo fixes: aera -> area, exntension -> extension
  devices.txt: Fix typo of 'VMware'.
  sis900: Fix enum typo 'sis900_rx_bufer_status'
  decompress_bunzip2: remove invalid vi modeline
  treewide: Fix comment and string typo 'bufer'
  hyper-v: Update MAINTAINERS
  treewide: Fix typos in various parts of the kernel, and fix some comments.
  clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR
  gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
  leds: Kconfig: Fix typo 'D2NET_V2'
  sound: Kconfig: drop unknown symbol ARCH_CLPS7500
  ...

Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new
kconfig additions, close to removed commented-out old ones)
2012-01-08 13:21:22 -08:00
Linus Torvalds
eb59c505f8 Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (76 commits)
  PM / Hibernate: Implement compat_ioctl for /dev/snapshot
  PM / Freezer: fix return value of freezable_schedule_timeout_killable()
  PM / shmobile: Allow the A4R domain to be turned off at run time
  PM / input / touchscreen: Make st1232 use device PM QoS constraints
  PM / QoS: Introduce dev_pm_qos_add_ancestor_request()
  PM / shmobile: Remove the stay_on flag from SH7372's PM domains
  PM / shmobile: Don't include SH7372's INTCS in syscore suspend/resume
  PM / shmobile: Add support for the sh7372 A4S power domain / sleep mode
  PM: Drop generic_subsys_pm_ops
  PM / Sleep: Remove forward-only callbacks from AMBA bus type
  PM / Sleep: Remove forward-only callbacks from platform bus type
  PM: Run the driver callback directly if the subsystem one is not there
  PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers
  PM/Devfreq: Add Exynos4-bus device DVFS driver for Exynos4210/4212/4412.
  PM / Sleep: Merge internal functions in generic_ops.c
  PM / Sleep: Simplify generic system suspend callbacks
  PM / Hibernate: Remove deprecated hibernation snapshot ioctls
  PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()
  ARM: S3C64XX: Implement basic power domain support
  PM / shmobile: Use common always on power domain governor
  ...

Fix up trivial conflict in fs/xfs/xfs_buf.c due to removal of unused
XBT_FORCE_SLEEP bit
2012-01-08 13:10:57 -08:00
Greg Kroah-Hartman
ff4b8a57f0 Merge branch 'driver-core-next' into Linux 3.2
This resolves the conflict in the arch/arm/mach-s3c64xx/s3c6400.c file,
and it fixes the build error in the arch/x86/kernel/microcode_core.c
file, that the merge did not catch.

The microcode_core.c patch was provided by Stephen Rothwell
<sfr@canb.auug.org.au> who was invaluable in the merge issues involved
with the large sysdev removal process in the driver-core tree.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-06 11:42:52 -08:00
Huajun Li
1a3a026ba1 usb: usb-storage doesn't support dynamic id currently, the patch disables the feature to fix an oops
Echo vendor and product number of a non usb-storage device to
usb-storage driver's new_id, then plug in the device to host and you
will find following oops msg, the root cause is usb_stor_probe1()
refers invalid id entry if giving a dynamic id, so just disable the
feature.

[ 3105.018012] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 3105.018062] CPU 0
[ 3105.018075] Modules linked in: usb_storage usb_libusual bluetooth
dm_crypt binfmt_misc snd_hda_codec_analog snd_hda_intel snd_hda_codec
snd_hwdep hp_wmi ppdev sparse_keymap snd_pcm snd_seq_midi snd_rawmidi
snd_seq_midi_event snd_seq snd_timer snd_seq_device psmouse snd
serio_raw tpm_infineon soundcore i915 snd_page_alloc tpm_tis
parport_pc tpm tpm_bios drm_kms_helper drm i2c_algo_bit video lp
parport usbhid hid sg sr_mod sd_mod ehci_hcd uhci_hcd usbcore e1000e
usb_common floppy
[ 3105.018408]
[ 3105.018419] Pid: 189, comm: khubd Tainted: G          I  3.2.0-rc7+
#29 Hewlett-Packard HP Compaq dc7800p Convertible Minitower/0AACh
[ 3105.018481] RIP: 0010:[<ffffffffa045830d>]  [<ffffffffa045830d>]
usb_stor_probe1+0x2fd/0xc20 [usb_storage]
[ 3105.018536] RSP: 0018:ffff880056a3d830  EFLAGS: 00010286
[ 3105.018562] RAX: ffff880065f4e648 RBX: ffff88006bb28000 RCX: 0000000000000000
[ 3105.018597] RDX: ffff88006f23c7b0 RSI: 0000000000000001 RDI: 0000000000000206
[ 3105.018632] RBP: ffff880056a3d900 R08: 0000000000000000 R09: ffff880067365000
[ 3105.018665] R10: 00000000000002ac R11: 0000000000000010 R12: ffff6000b41a7340
[ 3105.018698] R13: ffff880065f4ef60 R14: ffff88006bb28b88 R15: ffff88006f23d270
[ 3105.018733] FS:  0000000000000000(0000) GS:ffff88007a200000(0000)
knlGS:0000000000000000
[ 3105.018773] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 3105.018801] CR2: 00007fc99c8c4650 CR3: 0000000001e05000 CR4: 00000000000006f0
[ 3105.018835] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3105.018870] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 3105.018906] Process khubd (pid: 189, threadinfo ffff880056a3c000,
task ffff88005677a400)
[ 3105.018945] Stack:
[ 3105.018959]  0000000000000000 0000000000000000 ffff880056a3d8d0
0000000000000002
[ 3105.019011]  0000000000000000 ffff880056a3d918 ffff880000000000
0000000000000002
[ 3105.019058]  ffff880056a3d8d0 0000000000000012 ffff880056a3d8d0
0000000000000006
[ 3105.019105] Call Trace:
[ 3105.019128]  [<ffffffffa0458cd4>] storage_probe+0xa4/0xe0 [usb_storage]
[ 3105.019173]  [<ffffffffa0097822>] usb_probe_interface+0x172/0x330 [usbcore]
[ 3105.019211]  [<ffffffff815fda67>] driver_probe_device+0x257/0x3b0
[ 3105.019243]  [<ffffffff815fdd43>] __device_attach+0x73/0x90
[ 3105.019272]  [<ffffffff815fdcd0>] ? __driver_attach+0x110/0x110
[ 3105.019303]  [<ffffffff815fb93c>] bus_for_each_drv+0x9c/0xf0
[ 3105.019334]  [<ffffffff815fd6c7>] device_attach+0xf7/0x120
[ 3105.019364]  [<ffffffff815fc905>] bus_probe_device+0x45/0x80
[ 3105.019396]  [<ffffffff815f98a6>] device_add+0x876/0x990
[ 3105.019434]  [<ffffffffa0094e42>] usb_set_configuration+0x822/0x9e0 [usbcore]
[ 3105.019479]  [<ffffffffa00a3492>] generic_probe+0x62/0xf0 [usbcore]
[ 3105.019518]  [<ffffffffa0097a46>] usb_probe_device+0x66/0xb0 [usbcore]
[ 3105.019555]  [<ffffffff815fda67>] driver_probe_device+0x257/0x3b0
[ 3105.019589]  [<ffffffff815fdd43>] __device_attach+0x73/0x90
[ 3105.019617]  [<ffffffff815fdcd0>] ? __driver_attach+0x110/0x110
[ 3105.019648]  [<ffffffff815fb93c>] bus_for_each_drv+0x9c/0xf0
[ 3105.019680]  [<ffffffff815fd6c7>] device_attach+0xf7/0x120
[ 3105.019709]  [<ffffffff815fc905>] bus_probe_device+0x45/0x80
[ 3105.021040] usb usb6: usb auto-resume
[ 3105.021045] usb usb6: wakeup_rh
[ 3105.024849]  [<ffffffff815f98a6>] device_add+0x876/0x990
[ 3105.025086]  [<ffffffffa0088987>] usb_new_device+0x1e7/0x2b0 [usbcore]
[ 3105.025086]  [<ffffffffa008a4d7>] hub_thread+0xb27/0x1ec0 [usbcore]
[ 3105.025086]  [<ffffffff810d5200>] ? wake_up_bit+0x50/0x50
[ 3105.025086]  [<ffffffffa00899b0>] ? usb_remote_wakeup+0xa0/0xa0 [usbcore]
[ 3105.025086]  [<ffffffff810d49b8>] kthread+0xd8/0xf0
[ 3105.025086]  [<ffffffff81939884>] kernel_thread_helper+0x4/0x10
[ 3105.025086]  [<ffffffff8192a8c0>] ? _raw_spin_unlock_irq+0x50/0x80
[ 3105.025086]  [<ffffffff8192b1b4>] ? retint_restore_args+0x13/0x13
[ 3105.025086]  [<ffffffff810d48e0>] ? __init_kthread_worker+0x80/0x80
[ 3105.025086]  [<ffffffff81939880>] ? gs_change+0x13/0x13
[ 3105.025086] Code: 00 48 83 05 cd ad 00 00 01 48 83 05 cd ad 00 00
01 4c 8b ab 30 0c 00 00 48 8b 50 08 48 83 c0 30 48 89 45 a0 4c 89 a3
40 0c 00 00 <41> 0f b6 44 24 10 48 89 55 a8 3c ff 0f 84 b8 04 00 00 48
83 05
[ 3105.025086] RIP  [<ffffffffa045830d>] usb_stor_probe1+0x2fd/0xc20
[usb_storage]
[ 3105.025086]  RSP <ffff880056a3d830>
[ 3105.060037] hub 6-0:1.0: hub_resume
[ 3105.062616] usb usb5: usb auto-resume
[ 3105.064317] ehci_hcd 0000:00:1d.7: resume root hub
[ 3105.094809] ---[ end trace a7919e7f17c0a727 ]---
[ 3105.130069] hub 5-0:1.0: hub_resume
[ 3105.132131] usb usb4: usb auto-resume
[ 3105.132136] usb usb4: wakeup_rh
[ 3105.180059] hub 4-0:1.0: hub_resume
[ 3106.290052] usb usb6: suspend_rh (auto-stop)
[ 3106.290077] usb usb4: suspend_rh (auto-stop)

Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-04 16:04:30 -08:00
Al Viro
d36b691077 misc latin1 to utf8 conversions
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-01-02 13:04:55 +01:00
Sebastian Andrzej Siewior
ceb3f91fd5 usb/uas: one only one status URB/host on stream-less connection
The status/sense URB is allocated on per-command basis. A read/write
looks the following way on a stream-less connection:

- send cmd tag X, queue status
- receive status, oh it is a read for tag X. queue status & read
- receive read
- receive status, oh I'm done for tag X. Cool call complete and free
  status urb.

This block repeats itself 1:1 for further commands and looks great so
far. Lets take a look now what happens if we do allow multiple commands:

- send cmd tag X, queue statusX (belongs to the command with the X tag)
- send cmd tag Y, queue statusY (belongs to the command with the Y tag)
- receive statusX, oh it is a read for tag X. queue statusX & a read
- receive read
- receive statusY, oh I'm done for tag X. Cool call complete and free statusY.
- receive statusX, oh it is a read for tag Y. queue statusY & before we
  queue the read the the following message can be observed:
  |sd 0:0:0:0: [sda] sense urb submission failure
  followed by a second attempt with the same result.

In order to address this problem we will use only one status URB for
each scsi host in case we don't have stream support (as suggested by
Matthew). This URB is requeued until the device removed. Nothing changes
on stream based endpoints.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-12-22 11:28:19 +01:00
Sebastian Andrzej Siewior
22188f4a93 usb/uas: use scsi_host_find_tag() to find command from a tag
In "usb/uas: use unique tags for all LUNs" we make sure to create unique
tags across all LUNs. This patch uses scsi_host_find_tag() to obtain the
correct command which is associated with the tag.
The following changes are required:
- don't use sdev->current_cmnd anymore
  Since we can have devices which don't support command queueing we must
  ensure that we can tell the two commands apart. Even if a device
  supports comand queuing we send the INQUIRY command "untagged" for
  LUN1 while we can send a tagged command to LUN0 at the same time.
  devinfo->cmnd is used for stashing the one "untagged" command.
- tag number is altered. If stream support is used then the tag number
  must match the stream number. Therefore we can't use tag 0 and must
  start at tag 1.
  In case we have untagged commands (at least the first command) we must
  be able to distinguish between command tag 0 (which becomes 1) and
  untagged command (which becomes curently also 1).
  The following tag numbers are used:
  0: never
  1: for untagged commands (devinfo->cmnd)
  2+: tagged commands.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-12-22 10:36:19 +01:00
Sebastian Andrzej Siewior
dae51546b6 usb/uas: use unique tags for all LUNs
I observed that on a device with multiple LUNs UAS was re-using the same
tag number for requests which were issued at the same time to both LUNs.
This patch uses scsi_init_shared_tag_map() to use unique tags for all
LUNs. With this patch I haven't seen the same tag number during the init
sequence anymore. Tag 1 is used for devices which do not adverise
command queueing.
This patch initilizes the queue before adding the scsi host like the
other two user in tree.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-12-22 10:14:49 +01:00
Sarah Sharp
96c1eb9873 UAS: Free status URB when we can't find the SCSI tag.
In the UAS status URB completion handler, we need to free the URB, no
matter what happens.  Fix a bug where we would leak the URB (and its
buffer) if we couldn't find a SCSI command that is associated with this
status phase.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-12-22 10:14:48 +01:00
Sarah Sharp
9eb445410d UAS: Use unique tags on non-streams devices.
UAS can work with either USB 3.0 devices that support bulk streams, or
USB 2.0 devices that do not support bulk streams.  When we're working
with a non-streams device, we need to be able to uniquely identify a
SCSI command with a tag in the IU.  Devices will barf and abort all
queued commands if they find a duplicate tag.

uas_queuecommand_lck() sets cmdinfo->stream to zero if the device
doesn't support streams, which is later passed into uas_alloc_cmd_urb()
as the variable stream.  This means the UAS driver was setting the tag
in all commands to zero for non-stream devices.  So the UAS driver won't
currently work with USB 2.0 devices.

Use the SCSI command tag instead of the stream ID for the command IU
tag.  We have to add one to the SCSI command tag because SCSI tags are
zero-based, but stream IDs are one-based, and the command tag must match
the stream ID that we're queueing the data IUs for.  Untagged SCSI
commands use stream ID 1.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-12-22 10:14:48 +01:00
Sarah Sharp
ea9da1c79e UAS: Re-add workqueue items if submission fails.
If the original submission (or allocation) of the URBs for a SCSI
command fails, the UAS driver sticks the command structure in a
workqueue and schedules uas_do_work() to run.  That function removes the
entire queue before walking across it and attempting to resubmit.

Unfortunately, if the second submission fails, we will leak memory
(because an allocated URB was not submitted) and possibly leave the SCSI
command partially enqueued on some of the stream rings.  Fix this by
checking whether the second submission failed and re-queueing the
command to the UAS workqueue and scheduling it.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-12-22 10:12:54 +01:00
Rafael J. Wysocki
b00f4dc5ff Merge branch 'master' into pm-sleep
* master: (848 commits)
  SELinux: Fix RCU deref check warning in sel_netport_insert()
  binary_sysctl(): fix memory leak
  mm/vmalloc.c: remove static declaration of va from __get_vm_area_node
  ipmi_watchdog: restore settings when BMC reset
  oom: fix integer overflow of points in oom_badness
  memcg: keep root group unchanged if creation fails
  nilfs2: potential integer overflow in nilfs_ioctl_clean_segments()
  nilfs2: unbreak compat ioctl
  cpusets: stall when updating mems_allowed for mempolicy or disjoint nodemask
  evm: prevent racing during tfm allocation
  evm: key must be set once during initialization
  mmc: vub300: fix type of firmware_rom_wait_states module parameter
  Revert "mmc: enable runtime PM by default"
  mmc: sdhci: remove "state" argument from sdhci_suspend_host
  x86, dumpstack: Fix code bytes breakage due to missing KERN_CONT
  IB/qib: Correct sense on freectxts increment and decrement
  RDMA/cma: Verify private data length
  cgroups: fix a css_set not found bug in cgroup_attach_proc
  oprofile: Fix uninitialized memory access when writing to writing to oprofilefs
  Revert "xen/pv-on-hvm kexec: add xs_reset_watches to shutdown watches from old kernel"
  ...

Conflicts:
	kernel/cgroup_freezer.c
2011-12-21 21:59:45 +01:00
Greg Kroah-Hartman
007d00d4c1 Merge branch 'for-next/dwc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
* 'for-next/dwc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (392 commits)
  usb: dwc3: ep0: fix for possible early delayed_status
  usb: dwc3: gadget: fix stream enable bit
  usb: dwc3: ep0: fix GetStatus handling (again)
  usb: dwc3: ep0: use dwc3_request for ep0 requsts instead of usb_request
  usb: dwc3: use correct hwparam register for power mgm check
  usb: dwc3: omap: move to module_platform_driver
  usb: dwc3: workaround: missing disconnect event
  usb: dwc3: workaround: missing USB3 Reset event
  usb: dwc3: workaround: U1/U2 -> U0 transiton
  usb: dwc3: gadget: return early in dwc3_cleanup_done_reqs()
  usb: dwc3: ep0: handle delayed_status again
  usb: dwc3: ep0: push ep0state into xfernotready processing
  usb: dwc3: fix sparse errors
  usb: dwc3: fix few coding style problems
  usb: dwc3: move generic dwc3 code from gadget into core
  usb: dwc3: use a helper function for operation mode setting
  usb: dwc3: ep0: don't use ep0in for transfers
  usb: dwc3: ep0: use proper endianess in SetFeature for wIndex
  usb: dwc3: core: drop DWC3_EVENT_BUFFERS_MAX
  usb: dwc3: omap: add multiple instances support to OMAP
  ...
2011-12-12 15:19:53 -08:00
Qinglin Ye
cec28a5428 USB: usb-storage: unusual_devs entry for Kingston DT 101 G2
Kingston DT 101 G2 replies a wrong tag while transporting, add an
unusal_devs entry to ignore the tag validation.

Signed-off-by: Qinglin Ye <yestyle@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-26 19:56:47 -08:00
Greg Kroah-Hartman
47b649590d Merge 3.2-rc3 into usb-linus
This pulls in the latest USB bugfixes and helps a few of the drivers
merge nicer in the future due to changes in both branches.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-26 19:46:48 -08:00
Rafael J. Wysocki
986b11c3ee Merge branch 'pm-freezer' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into pm-freezer
* 'pm-freezer' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc: (24 commits)
  freezer: fix wait_event_freezable/__thaw_task races
  freezer: kill unused set_freezable_with_signal()
  dmatest: don't use set_freezable_with_signal()
  usb_storage: don't use set_freezable_with_signal()
  freezer: remove unused @sig_only from freeze_task()
  freezer: use lock_task_sighand() in fake_signal_wake_up()
  freezer: restructure __refrigerator()
  freezer: fix set_freezable[_with_signal]() race
  freezer: remove should_send_signal() and update frozen()
  freezer: remove now unused TIF_FREEZE
  freezer: make freezing() test freeze conditions in effect instead of TIF_FREEZE
  cgroup_freezer: prepare for removal of TIF_FREEZE
  freezer: clean up freeze_processes() failure path
  freezer: kill PF_FREEZING
  freezer: test freezable conditions while holding freezer_lock
  freezer: make freezing indicate freeze condition in effect
  freezer: use dedicated lock instead of task_lock() + memory barrier
  freezer: don't distinguish nosig tasks on thaw
  freezer: remove racy clear_freeze_flag() and set PF_NOFREEZE on dead tasks
  freezer: rename thaw_process() to __thaw_task() and simplify the implementation
  ...
2011-11-23 21:09:02 +01:00
Tejun Heo
ec012476af usb_storage: don't use set_freezable_with_signal()
The current implementation of set_freezable_with_signal() is buggy and
tricky to get right.  usb-storage is the only user and its use can be
avoided trivially.

All usb-storage wants is to be able to sleep with timeout and get
woken up if freezing() becomes true.  This can be trivially
implemented by doing interruptible wait w/ freezing() included in the
wait condition.  There's no reason to use set_freezable_with_signal().

Perform interruptible wait on freezing() instead of using
set_freezable_with_signal(), which is scheduled for removal.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Seth Forshee <seth.forshee@canonical.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-21 12:32:26 -08:00
Greg Kroah-Hartman
65db430540 USB: convert drivers/usb/* to use module_usb_driver()
This converts the drivers in drivers/usb/* to use the
module_usb_driver() macro which makes the code smaller and a bit
simpler.

Added bonus is that it removes some unneeded kernel log messages about
drivers loading and/or unloading.

Cc: Simon Arlott <cxacru@fire.lp0.eu>
Cc: Duncan Sands <duncan.sands@free.fr>
Cc: Matthieu CASTET <castet.matthieu@free.fr>
Cc: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: Oliver Neukum <oliver@neukum.name>
Cc: Juergen Stuber <starblue@users.sourceforge.net>
Cc: Cesar Miquel <miquel@df.uba.ar>
Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: Matthew Wilcox <willy@linux.intel.com>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Michael Hund <mhund@ld-didactic.de>
Cc: Zack Parsons <k3bacon@gmail.com>
Cc: Melchior FRANZ <mfranz@aon.at>
Cc: Tomoki Sekiyama <tomoki.sekiyama@gmail.com>
Cc: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-18 09:34:02 -08:00
Thomas Meyer
eb54552294 USB: Realtek cr: Use kmemdup rather than duplicating its implementation
Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:21:55 -08:00
Felipe Balbi
ce3af89e76 usb: storage: shuttle_usbat: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/shuttle_usbat.c:173:22: warning:
|	symbol 'usbat_usb_ids' was not declared. Should
|	it be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:56 -08:00
Felipe Balbi
566b8bbf8c usb: storage: sddr55: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/sddr55.c:51:22: warning: symbol
|	'sddr55_usb_ids' was not declared. Should it
|	be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:55 -08:00
Felipe Balbi
6f871f9e30 usb: storage: sddr09: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/sddr09.c:74:22: warning: symbol
|	'sddr09_usb_ids' was not declared. Should it
|	be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:54 -08:00
Felipe Balbi
d762ad4792 usb: storagE: realtek_cr: fix sparse warnings
Fix the following sparse warnings:

| drivers/usb/storage/realtek_cr.c:821:6: warning: symbol
|	'rts51x_invoke_transport' was not declared. Should
|	it be static?
|
| drivers/usb/storage/realtek_cr.c:980:5: warning: symbol
|	'realtek_cr_suspend' was not declared. Should it
|	be static?
|
| drivers/usb/storage/realtek_cr.c:518:23: warning: cast
|	truncates bits from constant value (fe47 becomes 47)

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:53 -08:00
Felipe Balbi
e2c83f019a usb: storage: onetouch: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/onetouch.c:72:22: warning: symbol
|	'onetouch_usb_ids' was not declared. Should it
|	be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:52 -08:00
Felipe Balbi
f35e0d5614 usb: storage: karma: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/karma.c:62:22: warning: symbol
|	'karma_usb_ids' was not declared. Should it
|	be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:52 -08:00
Felipe Balbi
9d35214b41 usb: storage: jumpshot: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/jumpshot.c:74:22: warning: symbol
|	'jumpshot_usb_ids' was not declared. Should it
|	be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:51 -08:00
Felipe Balbi
e7724baf78 usb: storage: isd200: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/freecom.c:122:22: warning: symbol
|	'freecom_usb_ids' was not declared. Should it
|	be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:50 -08:00
Felipe Balbi
2053f075ff usb: storage: freecom: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/freecom.c:122:22: warning: symbol
|	'freecom_usb_ids' was not declared. Should it
|	be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:49 -08:00
Felipe Balbi
36f3a14ded usb: storage: ene_ub6250: fix sparse warnings
Fix the following sparse warnings:

| drivers/usb/storage/ene_ub6250.c:45:22: warning: symbol
|	'ene_ub6250_usb_ids' was not declared. Should it
|	be static?
|
| drivers/usb/storage/ene_ub6250.c:780:5: warning: symbol
|	'ms_lib_alloc_logicalmap' was not declared. Should it
|	be static?
|
| drivers/usb/storage/ene_ub6250.c:2251:5: warning: symbol
|	'ms_scsi_irp' was not declared. Should it be static?
|
| drivers/usb/storage/ene_ub6250.c:638:29: warning: right shift by bigger
|	than source value
|
| drivers/usb/storage/ene_ub6250.c:639:29: warning: right shift by bigger
|	than source value

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:49 -08:00
Felipe Balbi
b03379f7e0 usb: storage: datafab: fix sparse warning
Fix the following sparse warning:

| drivers/usb/storage/datafab.c:91:22: warning: symbol
|	'datafab_usb_ids' was not declared. Should it
|	be static?

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15 10:20:48 -08:00