Commit Graph

469743 Commits

Author SHA1 Message Date
Robert Baldyga d00b414280 usb: dwc2/gadget: disable clock when it's not needed
When device is stopped or suspended clock is not needed so we
can disable it for this time.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 16:16:39 -07:00
Robert Baldyga b203d0a2e3 usb: dwc2/gadget: assign TX FIFO dynamically
Because we have not enough memory to have each TX FIFO of size at least
3072 bytes (the maximum single packet size with 3 transactions per
microframe), we create four FIFOs of lenght 1024, and four of length
3072 bytes, and assing them to endpoints dynamically according to
maxpacket size value of given endpoint.

Up to now there were initialized 16 TX FIFOs, but we use only 8 IN
endpoints, so we can split available memory for 8 FIFOs to have more
memory for each one.

It needed to do some small modifications in few places in code, because
there was assumption that TX FIFO numbers assigned to endpoints are the
same as the endpoint numbers, which is not true since we have dynamic
FIFO assigning.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 16:16:39 -07:00
Marek Szyprowski cff9eb756e usb: dwc2/gadget: ensure that all fifos have correct memory buffers
Print warning if FIFOs are configured in such a way that they don't fit
into the SPRAM available on the s3c hsotg module.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 16:16:38 -07:00
Marek Szyprowski 1e01129373 usb: dwc2/gadget: hide some not really needed debug messages
Some DWC2/s3c-hsotg debug messages are really useless for typical user,
so hide them behind dev_dbg().

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 16:16:38 -07:00
Andrzej Pietrasiewicz d784f1e509 usb: dwc2/gadget: Fix comment text
Adjust the debug text to the name of the printed variable.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 16:16:38 -07:00
Dan Carpenter ed87c2b2e7 staging: vt6655: buffer overflow in ioctl
->u.generic_elem.len is a user controlled number between 0-255.  We
should limit it to avoid memory corruption.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 15:32:20 -07:00
Greg Kroah-Hartman 922b83b4aa First round of IIO fixes for the 3.17 cycle.
* Fix an overwritten error return that can prevent deferred probing when
   using of_iio_channel_get_by_name
 * A series that deals with an incorrect reference count when the default
   trigger is set within the main probe routine for a driver.  Can result
   in a double free if the trigger is changed.
 * Fix a buglet with xilinx-xadc concerning setup of the address for an
   aux channel.
 * At91 adc driver could sometimes get a touchscreen reading rather than
   the intended adc channel.  This is fixed by using the channel data register
   instead.
 * Fix some ST magnetometer gain values that differ in production parts from
   the prerelease ones used for driver development.
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Merge tag 'iio-fixes-3.17a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First round of IIO fixes for the 3.17 cycle.

* Fix an overwritten error return that can prevent deferred probing when
  using of_iio_channel_get_by_name
* A series that deals with an incorrect reference count when the default
  trigger is set within the main probe routine for a driver.  Can result
  in a double free if the trigger is changed.
* Fix a buglet with xilinx-xadc concerning setup of the address for an
  aux channel.
* At91 adc driver could sometimes get a touchscreen reading rather than
  the intended adc channel.  This is fixed by using the channel data register
  instead.
* Fix some ST magnetometer gain values that differ in production parts from
  the prerelease ones used for driver development.
2014-09-19 15:29:39 -07:00
Greg Kroah-Hartman 213db49399 usb: changes for v3.18 merge window
Quite big pull request this time. Audio and UVC gadgets
 can now be used with our configfs-based binding. We have
 three PHY drivers being removed because a new one has been
 added using new PHY framework.
 
 Gadget framework got a new ->reset callback preparing for
 some other changes to come on next merge window.
 
 A few new drivers came in as well; among those we have a
 new UDC driver from Xilinx and two new glue layers for
 DWC3 (ST and Qualcomm).
 
 DWC3 also learned about tracepoints which will help debugging
 quite a bit.
 
 Other than that, a big series of non-critical fixes and
 cleanups.
 
 All patches have been on linux-next for quite a bit of time
 and I boot tested these changes on platforms I have access
 to and work with mainline.
 
 Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: changes for v3.18 merge window

Quite big pull request this time. Audio and UVC gadgets
can now be used with our configfs-based binding. We have
three PHY drivers being removed because a new one has been
added using new PHY framework.

Gadget framework got a new ->reset callback preparing for
some other changes to come on next merge window.

A few new drivers came in as well; among those we have a
new UDC driver from Xilinx and two new glue layers for
DWC3 (ST and Qualcomm).

DWC3 also learned about tracepoints which will help debugging
quite a bit.

Other than that, a big series of non-critical fixes and
cleanups.

All patches have been on linux-next for quite a bit of time
and I boot tested these changes on platforms I have access
to and work with mainline.

Signed-of-by: Felipe Balbi <balbi@ti.com>
2014-09-19 15:18:00 -07:00
Mark c80b4495c6 USB: storage: Add quirks for Entrega/Xircom USB to SCSI converters
This patch adds quirks for Entrega Technologies (later Xircom PortGear) USB-
SCSI converters. They use Shuttle Technology EUSB-01/EUSB-S1 chips. The
US_FL_SCM_MULT_TARG quirk is needed to allow multiple devices on the SCSI
chain to be accessed. Without it only the (single) device with SCSI ID 0
can be used.

The standalone converter sold by Entrega had model number U1-SC25. Xircom
acquired Entrega and re-branded the product line PortGear. The PortGear USB
to SCSI Converter (model PGSCSI) is internally identical to the Entrega
product, but later models may use a different USB ID. The Entrega-branded
units have USB ID 1645:0007, as does my Xircom PGSCSI, but the Windows and
Macintosh drivers also support 085A:0028.

Entrega also sold the "Mac USB Dock", which provides two USB ports, a Mac
(8-pin mini-DIN) serial port and a SCSI port. It appears to the computer as
a four-port hub, USB-serial, and USB-SCSI converters. The USB-SCSI part may
have initially used the same ID as the standalone U1-SC25 (1645:0007), but
later production used 085A:0026.

My Xircom PortGear PGSCSI has bcdDevice=0x0100. Units with bcdDevice=0x0133
probably also exist.

This patch adds quirks for 1645:0007, 085A:0026 and 085A:0028. The Windows
driver INF file also mentions 085A:0032 "PortStation SCSI Module", but I
couldn't find any mention of that actually existing in the wild; perhaps it
was cancelled before release?

Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 15:01:38 -07:00
Mark b6a3ed6779 USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapter
Hi,

The Ariston Technologies iConnect 025 and iConnect 050 (also known as e.g.
iSCSI-50) are SCSI-USB converters which use Shuttle Technology/SCM
Microsystems chips. Only the connectors differ; both have the same USB ID.
The US_FL_SCM_MULT_TARG quirk is required to use SCSI devices with ID other
than 0.

I don't have one of these, but based on the other entries for Shuttle/
SCM-based converters this patch is very likely correct. I used 0x0000 and
0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which
bcdDevice value the products use.

Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 15:01:38 -07:00
Mark 67d365a57a USB: storage: Add quirk for Adaptec USBConnect 2000 USB-to-SCSI Adapter
The Adaptec USBConnect 2000 is another SCSI-USB converter which uses
Shuttle Technology/SCM Microsystems chips. The US_FL_SCM_MULT_TARG quirk is
required to use SCSI devices with ID other than 0.

I don't have a USBConnect 2000, but based on the other entries for Shuttle/
SCM-based converters this patch is very likely correct. I used 0x0000 and
0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which
bcdDevice value the product uses.

Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 15:01:38 -07:00
Alan Stern 7312b5ddd4 USB: EHCI: unlink QHs even after the controller has stopped
Old code in ehci-hcd tries to expedite disabling endpoints after the
controller has stopped, by destroying the endpoint's associated QH
without first unlinking the QH.  This was necessary back when the
driver wasn't so careful about keeping track of the controller's
state.

But now we are careful about it, and the driver knows that when the
controller isn't running, no unlinking delay is needed.  Furthermore,
skipping the unlink step will trigger a BUG() in qh_destroy() when the
preceding QH is released, because the link pointer will be non-NULL.

Removing the lines that skip the unlinking step and go directly to
QH_STATE_IDLE fixes the problem.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Joe Lawrence <joe.lawrence@stratus.com>
Tested-by: Joe Lawrence <joe.lawrence@stratus.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-19 14:59:17 -07:00
Greg Kroah-Hartman 2d23d8ba31 misc fixes in PHY drivers
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Merge tag 'for_3.17-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus

Kishon writes:

misc fixes in PHY drivers
2014-09-19 14:58:20 -07:00
Linus Torvalds 46be7b73e8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "I've got a revert to fix a regression with btrfs device registration,
  and Filipe has part two of his fsync fix from last week"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Revert "Btrfs: device_list_add() should not update list when mounted"
  Btrfs: set inode's logged_trans/last_log_commit after ranged fsync
2014-09-19 13:10:53 -07:00
Linus Torvalds 81770f4144 NFS client fixes for 3.17
Highligts:
 - Fix an Oops in nfs4_open_and_get_state
 - Fix an Oops in the nfs4_state_manager
 - Fix another bug in the close/open_downgrade code
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Merge tag 'nfs-for-3.17-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client fixes from Trond Myklebust:
 "Highligts:
   - fix an Oops in nfs4_open_and_get_state
   - fix an Oops in the nfs4_state_manager
   - fix another bug in the close/open_downgrade code"

* tag 'nfs-for-3.17-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFSv4: Fix another bug in the close/open_downgrade code
  NFSv4: nfs4_state_manager() vs. nfs_server_remove_lists()
  NFS: remove BUG possibility in nfs4_open_and_get_state
2014-09-19 13:07:49 -07:00
Linus Torvalds b29f83aa8b PCI updates for v3.17:
Enumeration
     - Don't default exclusively to first video device (Bruno Prémont)
 
   PCI device hotplug
     - Remove "no hotplug settings from platform" warning (Bjorn Helgaas)
     - Add pci_ignore_hotplug() for VGA switcheroo (Bjorn Helgaas)
 
   Freescale i.MX6
     - Put LTSSM in "Detect" state before disabling (Lucas Stach)
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Merge tag 'pci-v3.17-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "These fix:

   - Boot video device detection on dual-GPU Apple systems
   - Hotplug fiascos on VGA switcheroo with radeon & nouveau drivers
   - Boot hang on Freescale i.MX6 systems
   - Excessive "no hotplug settings from platform" warnings

  In particular:

  Enumeration
    - Don't default exclusively to first video device (Bruno Prémont)

  PCI device hotplug
    - Remove "no hotplug settings from platform" warning (Bjorn Helgaas)
    - Add pci_ignore_hotplug() for VGA switcheroo (Bjorn Helgaas)

  Freescale i.MX6
    - Put LTSSM in "Detect" state before disabling (Lucas Stach)"

* tag 'pci-v3.17-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  vgaarb: Drop obsolete #ifndef
  vgaarb: Don't default exclusively to first video device with mem+io
  ACPIPHP / radeon / nouveau: Remove acpi_bus_no_hotplug()
  PCI: Remove "no hotplug settings from platform" warning
  PCI: Add pci_ignore_hotplug() to ignore hotplug events for a device
  PCI: imx6: Put LTSSM in "Detect" state before disabling it
  MAINTAINERS: Add Lucas Stach as co-maintainer for i.MX6 PCI driver
2014-09-19 10:50:30 -07:00
Linus Torvalds 73030efad5 SCSI fixes on 20140919
This is a set of three fixes.  One represents a nasty shared tag map
 regression (another inverted condition) caused by recent SCSI MQ patches, one
 is a longstanding potential buffer overrun in the iscsi data buffer and the
 final one is a use after free for the rare bidirectional commands.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of three fixes.

  One represents a nasty shared tag map regression (another inverted
  condition) caused by recent SCSI MQ patches, one is a longstanding
  potential buffer overrun in the iscsi data buffer and the final one is
  a use after free for the rare bidirectional commands"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] fix for bidi use after free
  [SCSI] fix regression that accidentally disabled block-based tcq
  [SCSI] libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
2014-09-19 10:46:48 -07:00
Linus Torvalds 598a0c7d09 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Two kernel side fixes: a kprobes fix and a perf_remove_from_context()
  fix (which does not yet fix the migration bug which is WIP)"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf: Fix a race condition in perf_remove_from_context()
  kprobes/x86: Free 'optinsn' cache when range check fails
2014-09-19 10:31:36 -07:00
Linus Torvalds 7a5e87867e Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Misc fixes:

  EFI fixes, a build fix, a page table dumping (debug) fix and a clang
  build fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi/arm64: Fix fdt-related memory reservation
  x86/mm: Apply the section attribute to the variable, not its type
  x86/efi: Fixup GOT in all boot code paths
  x86/efi: Only load initrd above 4g on second try
  x86-64, ptdump: Mark espfix area only if existent
  x86, irq: Fix build error caused by 9eabc99a63
2014-09-19 09:07:47 -07:00
Linus Torvalds 9f47112975 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "A fair number of build fixes for various configurations.

  Fixes to BPF, and the BCM47xx platform code, a preemption fix for the
  Loongson core, a syscall auditing fix, wire up the new getrandom and
  memfd_create.  Several patches for EVA"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (30 commits)
  MIPS: SmartMIPS: Disable assembler warnings
  MIPS: Move CPU topology macros to topology.h
  MIPS: Wire up new syscalls getrandom and memfd_create.
  MIPS: Fix a warning for virt_to_page
  arch/mips/net/bpf_jit.c: fix failure check
  MIPS: COP2: CPP macro safety fixes.
  MIPS: Kconfig: Select SMP symbols for CMP
  MIPS: ZBOOT: add missing <linux/string.h> include
  MIPS: IP28: Fix/clean spaces.h
  MIPS: IP28: Select correct L1_CACHE_SHIFT
  MIPS: BCM63xx: delete double assignment
  MIPS: Spelling s/confugrations/configurations/
  MIPS: OCTEON: make get_system_type() thread-safe
  MIPS: CPS: Initialize EVA before bringing up VPEs from secondary cores
  MIPS: Malta: EVA: Rename 'eva_entry' to 'platform_eva_init'
  MIPS: EVA: Add new EVA header
  MIPS: scall64-o32: Fix indirect syscall detection
  MIPS: syscall: Fix AUDIT value for O32 processes on MIPS64
  MIPS: Loongson: Fix COP2 usage for preemptible kernel
  MIPS: NL: Fix nlm_xlp_defconfig build error
  ...
2014-09-19 09:06:39 -07:00
Daniel Gryniewicz f81426a84b [SCSI] fix for bidi use after free
When ending a bi-directionional SCSI request, blk_finish_request()
cleans up and frees the request, but scsi_release_bidi_buffers() tries
to indirect through the request to find it's data buffers.  This causes
a panic due to a null pointer dereference.

Move the call to scsi_release_bidi_buffers() before the call to
blk_finish_request().

Signed-off-by: Daniel Gryniewicz <dang@linuxbox.com>
Reviewed-by: Webb Scales <webbnh@hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-09-19 13:23:33 +01:00
Christoph Hellwig e8be1cf58d [SCSI] fix regression that accidentally disabled block-based tcq
The scsi blk-mq support accidentally flipped a conditional, which lead to
never enabling block based tcq when using the legacy request path.

Fixes: d285203cf6 scsi: add support for a blk-mq based I/O path.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-09-19 13:23:32 +01:00
Mike Christie db9bfd64b1 [SCSI] libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
This patches fixes a potential buffer overrun in __iscsi_conn_send_pdu.
This function is used by iscsi drivers and userspace to send iscsi PDUs/
commands. For login commands, we have a set buffer size. For all other
commands we do not support data buffers.

This was reported by Dan Carpenter here:
http://www.spinics.net/lists/linux-scsi/msg66838.html

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2014-09-19 13:22:59 +01:00
Bjorn Helgaas 649ae75286 Merge branch 'pci/vga'; commit '6a73336bde29' into for-linus
* pci/vga:
  vgaarb: Drop obsolete #ifndef
  vgaarb: Don't default exclusively to first video device with mem+io

* commit '6a73336bde29':
  PCI: Remove "no hotplug settings from platform" warning
2014-09-18 23:05:06 -06:00
Michel Dänzer 226b6d88d0 drm/radeon: Fix typo 'addr' -> 'entry' in rs400_gart_set_page
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83996
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-09-18 21:52:29 -04:00
Dave Airlie 235e6def76 Merge tag 'drm-intel-fixes-2014-09-18' of git://anongit.freedesktop.org/drm-intel into drm-fixes
couple of display fixes.

* tag 'drm-intel-fixes-2014-09-18' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv
  drm/i915: Fix SRC_COPY width on 830/845g
2014-09-19 10:34:34 +10:00
Dave Airlie b5591bd6a6 Merge branch 'drm-fixes-3.17' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
- fix a resume hang on mullins
- fix an oops on module unload with vgaswitcheroo (radeon and nouveau)
- fix possible hangs DMA engine hangs due to hw bugs

* 'drm-fixes-3.17' of git://people.freedesktop.org/~agd5f/linux:
  drm/nouveau/runpm: fix module unload
  drm/radeon/px: fix module unload
  vgaswitcheroo: add vga_switcheroo_fini_domain_pm_ops
  drm/radeon: don't reset dma on r6xx-evergreen init
  drm/radeon: don't reset sdma on CIK init
  drm/radeon: don't reset dma on NI/SI init
  drm/radeon/dpm: fix resume on mullins
  drm/radeon: Disable HDP flush before every CS again for < r600
  drm/radeon: delete unused PTE_* defines
2014-09-19 10:34:06 +10:00
Alex Deucher 53beaa01e0 drm/nouveau/runpm: fix module unload
Use the new vga_switcheroo_fini_domain_pm_ops function
to unregister the pm ops.

Based on a patch from:
Pali Rohár <pali.rohar@gmail.com>

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=84431

Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Cc: Ben Skeggs <bskeggs@redhat.com>
2014-09-18 19:22:37 -04:00
Alex Deucher 2e97140dd5 drm/radeon/px: fix module unload
Use the new vga_switcheroo_fini_domain_pm_ops function
to unregister the pm ops.

Based on a patch from:
Pali Rohár <pali.rohar@gmail.com>

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=84431

Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
2014-09-18 19:22:09 -04:00
Alex Deucher 766a53d059 vgaswitcheroo: add vga_switcheroo_fini_domain_pm_ops
Drivers should call this on unload to unregister pmops.

Bug:
https://bugzilla.kernel.org/show_bug.cgi?id=84431

Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
2014-09-18 19:21:20 -04:00
Alex Deucher c1789a2e66 drm/radeon: don't reset dma on r6xx-evergreen init
Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-09-18 18:57:09 -04:00
Alex Deucher 799028d5d8 drm/radeon: don't reset sdma on CIK init
Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-09-18 18:57:09 -04:00
Alex Deucher 31a25e2caf drm/radeon: don't reset dma on NI/SI init
Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.

bug:
https://www.libreoffice.org/bugzilla/show_bug.cgi?id=83500

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-09-18 18:57:08 -04:00
Alex Deucher 39da038479 drm/radeon/dpm: fix resume on mullins
Need to properly disable nb dpm on dpm disable.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-09-18 18:57:07 -04:00
Michel Dänzer 897eba827e drm/radeon: Disable HDP flush before every CS again for < r600
It was causing display corruption with R300 generation GPUs at least.

Reported-and-Tested-by: Mikael Pettersson <mikpelinux@gmail.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-09-18 18:57:07 -04:00
Kyle McMartin 64d8ee5957 drm/radeon: delete unused PTE_* defines
They don't appear to be used anywhere... elsewhere uses R*_PTE_*.

master@linux:U:.% git grep PTE_ -- drivers/gpu/drm/radeon | grep -v _PTE_
master@linux:U:.%	(kyle@redacted:~/linux)

./arch/arm64/include/asm/pgtable.h:27:0: note: this is the location of the previous definition
 #define PTE_VALID  (_AT(pteval_t, 1) << 0)
 ^
In file included from drivers/gpu/drm/radeon/r600_cs.c:31:0:
drivers/gpu/drm/radeon/r600d.h:48:0: warning: "PTE_VALID" redefined [enabled by default]
 #define PTE_VALID    (1 << 0)
 ^
In file included from ./arch/arm64/include/asm/io.h:29:0,
                 from include/linux/clocksource.h:19,
                 from include/clocksource/arm_arch_timer.h:19,
                 from ./arch/arm64/include/asm/arch_timer.h:27,
                 from ./arch/arm64/include/asm/timex.h:19,
                 from include/linux/timex.h:65,
<snip>
                 from include/drm/drmP.h:51,
                 from drivers/gpu/drm/radeon/r600_cs.c:29:
./arch/arm64/include/asm/pgtable.h:27:0: note: this is the location of the previous definition
 #define PTE_VALID  (_AT(pteval_t, 1) << 0)
 ^

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-09-18 18:57:06 -04:00
Linus Torvalds d9773ceabf Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs/smb3 fixes from Steve French:
 "Fixes for problems found during testing and debugging at the SMB3
  storage test event (plugfest) this week"

* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
  Fix mfsymlinks file size check
  Update version number displayed by modinfo for cifs.ko
  cifs: remove dead code
  Revert "cifs: No need to send SIGKILL to demux_thread during umount"
  [SMB3] Fix oops when creating symlinks on smb3
  [CIFS] Fix setting time before epoch (negative time values)
2014-09-18 11:10:35 -07:00
Linus Torvalds 33d31d3476 sound fixes for 3.17-rc6
All small fixes in random various drivers, mostly for ASoC at this
 time, which look reasonable for a high rc number.
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Merge tag 'sound-3.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "All small fixes in random various drivers, mostly for ASoC at this
  time, which look reasonable for a high rc number"

* tag 'sound-3.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: rockchip-i2s: dt: swap tx and rx channed request number in example
  ASoC: rockchip-i2s: fix registers' property of rockchip i2s controller
  ASoC: rockchip-i2s: fix master mode set bit error
  ASoC: cs4265: Fix register address to set the proper data type.
  ALSA: hda - Fix invalid pin powermap without jack detection
  ASoC: soc-pcm: fix dpcm_path_get error handling
  ASoC: samsung-i2s: Check secondary DAI exists before referencing
  ASoC: Update email id of the author
  ASoC: dwc: Update email id of the author
  ASoC: davinci-mcasp: Correct rx format unit configuration
  ASoC: tlv320aic31xx: Fix 24bit samples with I2S format and 12MHz mclk
2014-09-18 10:45:37 -07:00
Krzysztof Hałasa 153a9f131f Fix unbalanced mutex in dma_pool_create().
dma_pool_create() needs to unlock the mutex in error case.  The bug was
introduced in the 3.16 by commit cc6b664aa2 ("mm/dmapool.c: remove
redundant NULL check for dev in dma_pool_create()")/

Signed-off-by: Krzysztof Hałasa <khc@piap.pl>
Cc: stable@vger.kernel.org  # v3.16
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-09-18 10:39:16 -07:00
Linus Torvalds bd26a74e93 regulator: Fixes for v3.17
Fix some leaked OF node references in regulator drivers that have been
 left over following a fix on a fix to the reference counting.
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Merge tag 'regulator-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "Fix some leaked OF node references in regulator drivers that have been
  left over following a fix on a fix to the reference counting"

* tag 'regulator-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: remove unnecessary of_node_get() to parent
2014-09-18 10:34:54 -07:00
Linus Torvalds 27180f7de7 spi: Fixes for v3.17
A few driver specific fixes for v3.17:
 
  - Fix davinci so that GPIO chip selects work with deferred probe of
    GPIOs (which could happen in production depending on kernel config)
    plus one incremental stylistic fix to that.
  - Several fixes for the newly introduced rockchip driver that came up
    in wider testing of the device.
  - A couple of small things in the sirf driver, one bug that would stop
    DMA transfers working and another update to follow the documented
    procedure in the datasheet.
  - Fix some memory leaks with devm_kzalloc() being used outside of the
    device bind path.
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Merge tag 'spi-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few driver specific fixes for v3.17:

   - Fix davinci so that GPIO chip selects work with deferred probe of
     GPIOs (which could happen in production depending on kernel config)
     plus one incremental stylistic fix to that.
   - Several fixes for the newly introduced rockchip driver that came up
     in wider testing of the device.
   - A couple of small things in the sirf driver, one bug that would
     stop DMA transfers working and another update to follow the
     documented procedure in the datasheet.
   - Fix some memory leaks with devm_kzalloc() being used outside of the
     device bind path"

* tag 'spi-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: davinci: remove empty function davinci_spi_cleanup
  spi: davinci: request cs_gpio's from probe
  spi/pl022: Fix error message
  spi/rockchip: Mark DMA as optional
  spi/rockchip: Don't warn if SPI is busy but disabled
  spi/rockchip: Fix the wait_for_idle() timeout
  spi: sirf: add fifo reset/start for cmd transfer
  spi: sirf: enable RX_IO_DMA_INT interrupt
  spi: dw: Don't use devm_kzalloc in master->setup callback
  spi: fsl: Don't use devm_kzalloc in master->setup callback
2014-09-18 10:33:46 -07:00
Trond Myklebust cd9288ffae NFSv4: Fix another bug in the close/open_downgrade code
James Drew reports another bug whereby the NFS client is now sending
an OPEN_DOWNGRADE in a situation where it should really have sent a
CLOSE: the client is opening the file for O_RDWR, but then trying to
do a downgrade to O_RDONLY, which is not allowed by the NFSv4 spec.

Reported-by: James Drews <drews@engr.wisc.edu>
Link: http://lkml.kernel.org/r/541AD7E5.8020409@engr.wisc.edu
Fixes: aee7af356e (NFSv4: Fix problems with close in the presence...)
Cc: stable@vger.kernel.org # 2.6.33+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-09-18 13:04:22 -04:00
Steve Dickson 080af20cc9 NFSv4: nfs4_state_manager() vs. nfs_server_remove_lists()
There is a race between nfs4_state_manager() and
nfs_server_remove_lists() that happens during a nfsv3 mount.

The v3 mount notices there is already a supper block so
nfs_server_remove_lists() called which uses the nfs_client_lock
spin lock to synchronize access to the client list.

At the same time nfs4_state_manager() is running through
the client list looking for work to do, using the same
lock. When nfs4_state_manager() wins the race to the
list, a v3 client pointer is found and not ignored
properly which causes the panic.

Moving some protocol checks before the state checking
avoids the panic.

CC: Stable Tree <stable@vger.kernel.org>
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-09-18 13:04:21 -04:00
Chris Mason 0f23ae74f5 Revert "Btrfs: device_list_add() should not update list when mounted"
This reverts commit b96de000bc.

This commit is triggering failures to mount by subvolume id in some
configurations.  The main problem is how many different ways this
scanning function is used, both for scanning while mounted and
unmounted.  A proper cleanup is too big for late rcs.

For now, just revert the commit and we'll put a better fix into a later
merge window.

Signed-off-by: Chris Mason <clm@fb.com>
2014-09-18 07:49:05 -07:00
Felipe Balbi 72a65a0d19 Revert "usb: gadget: composite: dequeue cdev->req before free its buffer"
This reverts commit be0a8887bb.

The original commit f2267089ea
(usb: gadget: composite: dequeue cdev->req before free it in
composite_dev_cleanup) ended up being reverted because it caused
more issues then fixed. We will also revert this counter part
commit so we start clean to properly add that idea back.

Cc: Li Jun <b47624@freescale.com>
Signed-of-by: Felipe Balbi <balbi@ti.com>
2014-09-18 09:42:49 -05:00
Ville Syrjälä 8c875fca1a drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv
The limited color range knob is in the port registers on
g4x and vlv/chv for HDMI, and on g4x for DP. Add the relevant code
to read out the hardware state into pipe config. On vlv/chv the
DP port limited color range knob is in PIPECONF for which we
already have readout code.

Cc: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-09-18 14:52:14 +03:00
Joern Engel 8ae757d09c iscsi-target: avoid NULL pointer in iscsi_copy_param_list failure
In iscsi_copy_param_list() a failed iscsi_param_list memory allocation
currently invokes iscsi_release_param_list() to cleanup, and will promptly
trigger a NULL pointer dereference.

Instead, go ahead and return for the first iscsi_copy_param_list()
failure case.

Found by coverity.

Signed-off-by: Joern Engel <joern@logfs.org>
Cc: <stable@vger.kernel.org> # v3.1+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-09-17 13:44:01 -07:00
Nicholas Bellinger b53b0d99d6 iscsi-target: Fix memory corruption in iscsit_logout_post_handler_diffcid
This patch fixes a bug in iscsit_logout_post_handler_diffcid() where
a pointer used as storage for list_for_each_entry() was incorrectly
being used to determine if no matching entry had been found.

This patch changes iscsit_logout_post_handler_diffcid() to key off
bool conn_found to determine if the function needs to exit early.

Reported-by: Joern Engel <joern@logfs.org>
Cc: <stable@vger.kernel.org> # v3.1+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-09-17 13:40:19 -07:00
Sebastian Herbszt 1f0b030c45 target: Fix inverted logic in SE_DEV_ALUA_SUPPORT_STATE_STORE
Fix inverted logic in SE_DEV_ALUA_SUPPORT_STATE_STORE for setting
the supported ALUA access states via configfs, originally introduced
in commit b0a382c5.

A value of 1 should enable the support, not disable it.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-09-17 11:06:52 -07:00
Sebastian Herbszt 096b499517 target: Fix user data segment multiplier in spc_emulate_evpd_b3()
This patch fixes an apparent cut and paste error in spc_emulate_evpd_b3(),
where lba_map_segment_size was being used twice for the Referrals VPD.

Go ahead and set the correct user data segment multiplier instead of
user data segment size.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-09-17 10:53:25 -07:00