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This is a merge of big firewire audio stack updates by Takashi Sakamoto.
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In post commit, a quirk of this firmware about transactions is reported.
This commit apply a workaround for this quirk.
They often fail transactions due to gap_count mismatch. This state is changed
by generating bus reset.
The fw_schedule_bus_reset() is an exported symbol in firewire-core. But there
are no header for public. This commit moves its prototype from
drivers/firewire/core.h to include/linux/firewire.h.
This mismatch still affects bus management before generating this bus reset.
It still takes a time to call driver's probe() because transactions are still
often failed.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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'asoc/topic/jz4740', 'asoc/topic/max98090', 'asoc/topic/max98095', 'asoc/topic/mc13783' and 'asoc/topic/multicodec' into asoc-next
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
"Three fixes for the AMD IOMMU driver:
- fix a locking issue around get_user_pages()
- fix two issues with device aliasing and exclusion range handling"
* tag 'iommu-fixes-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: fix enabling exclusion range for an exact device
iommu/amd: Take mmap_sem when calling get_user_pages
iommu/amd: Fix interrupt remapping for aliased devices
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull iscsi_ibft fix from Konrad Rzeszutek Wilk:
"Fix iBFT regression on Broadcom NICs introduced in 3.2"
* tag 'stable/for-linus-3.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
iscsi_ibft: Fix finding Broadcom specific ibft sign
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas
Pull SH driver fix from Simon Horman:
"Compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI
This resolves a regression introduced in v3.14 by commit bf98c1eac1d4
("ARM: Rename ARCH_SHMOBILE to ARCH_SHMOBILE_LEGACY")"
* tag 'renesas-sh-drivers-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
drivers: sh: compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Most of the changes are drivers fixes (rtl28xuu, fc2580, ov7670,
davinci, gspca, s5p-fimc and s5c73m3).
There is also a compat32 fix and one infoleak fixup at the media
controller"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] V4L2: fix VIDIOC_CREATE_BUFS in 64- / 32-bit compatibility mode
[media] V4L2: ov7670: fix a wrong index, potentially Oopsing the kernel from user-space
[media] media-device: fix infoleak in ioctl media_enum_entities()
[media] fc2580: fix tuning failure on 32-bit arch
[media] Prefer gspca_sonixb over sn9c102 for all devices
[media] media: davinci: vpfe: make sure all the buffers unmapped and released
[media] staging: media: davinci: vpfe: make sure all the buffers are released
[media] media: davinci: vpbe_display: fix releasing of active buffers
[media] media: davinci: vpif_display: fix releasing of active buffers
[media] media: davinci: vpif_capture: fix releasing of active buffers
[media] s5p-fimc: Fix YUV422P depth
[media] s5c73m3: Add missing rename of v4l2_of_get_next_endpoint() function
[media] rtl28xxu: silence error log about disabled rtl2832_sdr module
[media] rtl28xxu: do not hard depend on staging SDR module
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are five staging driver fixes for 3.15-rc6 that resolve some
reported issues. They are for the imx and rtl8723au drivers"
* tag 'staging-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723au: Do not reset wdev->iftype in netdev_close()
staging: rtl8723au: Use correct pipe type for USB interrupts
imx-drm: imx-tve: correct DDC property name to 'ddc-i2c-bus'
imx-drm: imx-drm-core: skip components whose parent device is disabled
imx-drm: imx-drm-core: fix imx_drm_encoder_get_mux_id
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"These are fixes for an SHPCHP hotplug regression, a "wait for pending
transaction" problem (used in device reset paths), and an email
address update.
PCI device hotplug:
- Fix SHPCHP bus speed mismatch issue (Marcel Apfelbaum)
Miscellaneous:
- Fix pci_wait_for_pending_transaction() (Gavin Shan)
- Update email address (Ben Hutchings)"
* tag 'pci-v3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Wrong register used to check pending traffic
PCI: shpchp: Check bridge's secondary (not primary) bus speed
PCI: Update my email address
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull /dev/random fix from Ted Ts'o:
"This fixes a BUG_ON-causing regression that was introduced during the
last merge window"
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: fix BUG_ON caused by accounting simplification
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git://git.linaro.org/people/mike.turquette/linux
Pull clock framework fixes from Mike Turquette:
"Clock framework and driver fixes, all of which fix user-visible
regressions.
As usual most fixes are for platform-specific clock drivers, but there
are also two fixes to the clk core after recent changes to the way
that clock unregistration is handled"
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
clk: tegra: Fix wrong value written to PLLE_AUX
clk: shmobile: clk-mstp: change to using clock-indices
clk: Fix slab corruption in clk_unregister()
clk: Fix double free due to devm_clk_register()
clk: socfpga: fix clock driver for 3.15
clk: divider: Fix best div calculation for power-of-two and table dividers
clk: bcm281xx: don't use unnamed structs or unions
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few core fixes around outlying cases here, nothing that should
affect most users but useful fixes. The diffstat is rather larger
than one might hope due some simple code motion in the fix for
!CONFIG_DMA, the actual meaningful change is much smaller.
- Fix handling of unsupported dual and quad mode support on slave
registration so that drivers that can degrade gracefully do so,
preventing regressions for drivers this is added.
- Fix build in !CONFIG_DMA cases following addition of generic DMA
mapping support.
- Fix error handling for queue creation which due to wider kernel
changes can be triggered more easily.
- A couple of driver specific fixes"
* tag 'spi-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi/pxa2xx: Prevent DMA from transferring too many bytes
spi: core: Don't destroy master queue if we fail to create it
spi: qup: Fix return value checking for pm_runtime_get_sync()
spi: core: Protect DMA code by #ifdef CONFIG_HAS_DMA
spi: core: Ignore unsupported Dual/Quad Transfer Mode bits
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
- fix a null pointer bug in the ICH6 chipset driver
- fix device tree registration for the mcp23s08 driver
* tag 'gpio-v3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mcp23s08: Bug fix of SPI device tree registration.
gpio: ich: set regs and reglen for i3100 and ich6 chipset
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"Mostly device-specific fixes. The only thing which isn't is the fix
for zpodd oops-on-detach bug"
* 'for-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci: imx: PLL clock needs 100us to settle down
ata: pata_at91 only works on sam9
libata: clean up ZPODD when a port is detached
ahci: imx: software workaround for phy reset issue in resume
ahci: imx: add namespace for register enums
ahci: disable DEVSLP for Intel Valleyview
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Pull crypto fixes from Herbert Xu:
"This fixes a NULL pointer dereference on allocation failure in caam,
as well as a regression in the ctr mode on s390 that was added with
the recent concurrency fixes"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: s390 - fix aes,des ctr mode concurrency finding.
crypto: caam - add allocation failure handling in SPRINTFCAT macro
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Pull scsi target fixes from Nicholas Bellinger:
"This series include:
- Close race between iser-target network portal shutdown + accepting
new connection logins (sagi)
- Fix free-after-use regression in tcm_fc post conversion to
percpu-ida pre-allocation (nab)
- Explicitly disable Immediate + Unsolicited Data for iser-target
connections when T10-PI is enabled (sagi + nab)
- Allow pi_prot_type + emulate_write_cache attributes to be set to
zero regardless of backend support (andy)
- memory leak fix (mikulas)"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: fix memory leak on XCOPY
target: Don't allow setting WC emulation if device doesn't support
iscsi-target: Disable Immediate + Unsolicited Data with ISER Protection
tcm_fc: Fix free-after-use regression in ft_free_cmd
iscsi-target: Change BUG_ON to REJECT in iscsit_process_nop_out
Target/iscsi,iser: Avoid accepting transport connections during stop stage
Target/iser: Fix iscsit_accept_np and rdma_cm racy flow
Target/iser: Fix wrong connection requests list addition
target: Allow non-supporting backends to set pi_prot_type to 0
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Some I2C bugfixes for 3.15. Typical stuff, I'd say"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: rcar: bail out on zero length transfers
i2c: qup: Fix pm_runtime_get_sync usage
i2c: s3c2410: resume race fix
i2c: nomadik: Don't use IS_ERR for devm_ioremap
i2c: designware: Mask all interrupts during i2c controller enable
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"Still fixing regressions (partly by reverting commits that broke
things for people), fixing other stable-candidate bugs and adding some
blacklist entries for ACPI video and _OSI.
Two ACPICA regression fixes (one recent and one for a 3.14 commit), a
fix for an ACPI-related regression in TPM (introduced in 3.14), a
revert of the ACPI AC driver conversion in 3.13 that went wrong for an
unknown reason, two reverts of commits that attempted to remove an old
user space interface in /proc and broke some utilities, in 3.13 too, a
fix for a CPU hotplug bug in the ACPI processor driver (stable
material), two (stable candidate) fixes for intel_pstate and a few new
blacklist entries, mostly for systems that shipped with Windows 8.
Specifics:
- ACPICA fix for a stale pointer access introduced by a recent commit
in the XSDT validation code from Lv Zheng.
- ACPICA fix for the default value of the command line switch to
favor 32-bit FADT addresses (in case there's a conflict between a
64-bit and a 32-bit address). The previous default was that the
32-bit version would take precedence and we tried to change it to
the other way around and it didn't work. From Lv Zheng.
- A TPM commit related to ACPI _DSM in 3.14 caused the driver to
refuse to load if a specific _DSM was missing and that broke resume
from system suspend on Chromebooks that require the TPM hardware to
be restored to a working state during resume by the OS. Restore
the old behavior to load the driver if the _DSM in question is not
present, but prevent it from using the feature the _DSM is for.
- ACPI AC driver conversion in 3.13 broke thermal management on at
least one machine and has to be reverted. From Guenter Roeck.
- Two reverts of 3.13 commits that attempted to remove the old ACPI
battery interface in /proc, but turned out to break some utilities
still using that interface. From Lan Tianyu.
- ACPI processor driver fix to prevent acpi_processor_add() from
modifying the CPU device's .offline field which leads to breakage
if the initial online of the CPU fails. From Igor Mammedov.
- Two intel_pstate fixes, one to take a BayTrail documentation update
into account and one to avoid forcing the maximum P-state on init
which causes CPU PM trouble on systems with P-states coordination
when one of the CPU cores is initialized after an offline/online
cycle triggered by user space. Both stable candidates, from Dirk
Brandewie.
- Fix for the ACPI video DMI blacklist entry for Dell Inspiron 7520
from Aaron Lu.
- Two new ACPI video blacklist entries for machines shipping with
Win8 that need to use native backlight so that it can be controlled
in a usual way (which doesn't work otherwise due bugs in the ACPI
tables) from Hans de Goede.
- Two ACPI _OSI quirks for systems that need them to work correctly
with Linux from Edward Lin and Hans de Goede"
* tag 'pm+acpi-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / video: Revert native brightness quirk for ThinkPad T530
intel_pstate: remove setting P state to MAX on init
ACPICA: Tables: Restore old behavor to favor 32-bit FADT addresses.
ACPI / video: correct DMI tag for Dell Inspiron 7520
intel_pstate: Set turbo VID for BayTrail
ACPI / TPM: Fix resume regression on Chromebooks
ACPI / proc: Do not say when /proc interfaces will be deleted in Kconfig
ACPI / processor: do not mark present at boot but not onlined CPU as onlined
ACPI: Revert "ACPI / AC: convert ACPI ac driver to platform bus"
ACPI / blacklist: Add dmi_enable_osi_linux quirk for Asus EEE PC 1015PX
ACPI: blacklist win8 OSI for Dell Inspiron 7737
ACPI / video: Add use_native_backlight quirks for more systems
ACPI: Revert "ACPI / Battery: Remove battery's proc directory"
ACPI: Revert "ACPI: Remove CONFIG_ACPI_PROCFS_POWER and cm_sbsc.c"
ACPICA: Tables: Fix invalid pointer accesses in acpi_tb_parse_root_table().
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"A dm-crypt fix for a cpu hotplug crash that switches from using
per-cpu data to a mempool allocation (which offers allocation with cpu
locality, and there is no inter-cpu communication on slab allocation).
A couple dm-thinp stable fixes to address "out-of-data-space" issues.
A dm-multipath fix for a LOCKDEP warning introduced in 3.15-rc1"
* tag 'dm-3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm mpath: fix lock order inconsistency in multipath_ioctl
dm thin: add timeout to stop out-of-data-space mode holding IO forever
dm thin: allow metadata commit if pool is in PM_OUT_OF_DATA_SPACE mode
dm crypt: fix cpu hotplug crash by removing per-cpu structure
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Pull device tree fixes from Grant Likely:
"Drivercore bugfixes for v3.15
This branch contains bug fixes important to get into v3.15. There is
a fix for modifying properties seen during early boot, a fix for an
incorrect prototype when CONFIG_OF=n, and a couple of corrections to
device tree memory nodes on a few platforms"
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
mips: dts: Fix missing device_type="memory" property in memory nodes
arm: dts: Fix missing device_type="memory" for ste-ccu8540
of: fix CONFIG_OF=n prototype of of_node_full_name()
of: make of_update_property() usable earlier in the boot process
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Pull MIPS fixes from Ralf Baechle:
"MIPS fixes for various loose ends:
- Fix workarounds for R4000 erratum.
- Patch up DEC, Siemens-Nixdorf and Loongson hardware support.
- Wire up renameat2 syscall.
- Delete unused file - it was causing false warnings from maintenance
scripts.
- Revert a patch because it's functionality is now implemented twice
which causes superfluous /proc/cpuinfo output.
- Fix a microMIPS regression"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: mm: Fix broken microMIPS kernel regression.
MIPS: Add new AUDIT_ARCH token for the N32 ABI on MIPS64
MIPS: Wire up renameat2 syscall.
MIPS: inst.h: Rename BITFIELD_FIELD to __BITFIELD_FIELD.
MIPS: Remove file missed when removing rm9k support a while ago.
MIPS/loongson2_cpufreq: Fix CPU clock rate setting
MIPS: Loongson: No need to select GENERIC_HARDIRQS_NO__DO_IRQ
MIPS: csum_partial.S CPU_DADDI_WORKAROUNDS bug fix
MIPS: __strncpy_from_user_asm CPU_DADDI_WORKAROUNDS bug fix
MIPS: __delay CPU_DADDI_WORKAROUNDS bug fix
MIPS: DEC/SNI: O32 wrapper stack switching fixes
MIPS: DEC: Bus error handler <asm/cpu-type.h> fixes
MAINTAINERS: TURBOchannel: Update entry
Revert "MIPS: MT: proc: Add support for printing VPE and TC ids"
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Intel fixes for regressions, black screens and hangs, for 3.15.
* tag 'drm-intel-fixes-2014-05-16' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Increase WM memory latency values on SNB
drm/i915: restore backlight precision when converting from ACPI
drm/i915: Use the first mode if there is no preferred mode in the EDID
drm/i915/dp: force eDP lane count to max available lanes on BDW
drm/i915/vlv: reset VLV media force wake request register
drm/i915/SDVO: For sysfs link put directory and target in correct order
drm/i915: use lane count and link rate from VBT as minimums for eDP
drm/i915: clean up VBT eDP link param decoding
drm/i915: consider the source max DP lane count too
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The commit e783c51 (ahci: imx: software workaround for phy reset issue
in resume) calls imx_sata_phy_reset() to reset phy immediately after
SATA MPLL is enabled. It seems working fine mostly, but fails in some
case as below.
...
ahci-imx 2200000.sata: failed to reset phy: -110
ahci-imx: probe of 2200000.sata failed with error -110
After talking to the designer, we learnt that when enabling i.MX6Q SATA
MPLL, we need to wait 100us for it to settle down for safety. Add this
required delay to fix above failure.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The incorrect register offset is passed to pci_wait_for_pending(), which is
caused by commit 157e876ffe ("PCI: Add pci_wait_for_pending() (refactor
pci_wait_for_pending_transaction())").
Fixes: 157e876ffe ("PCI: Add pci_wait_for_pending() (refactor pci_wait_for_pending_transaction())
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alex Williamson <alex.williamson@gmail.com>
CC: stable@vger.kernel.org # v3.14+
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On each processed XCOPY command, two "kmalloc-512" memory objects are
leaked. These represent two allocations of struct xcopy_pt_cmd in
target_core_xcopy.c.
The reason for the memory leak is that the cmd_kref field is not
initialized (thus, it is zero because the allocations were done with
kzalloc). When we decrement zero kref in target_put_sess_cmd, the result
is not zero, thus target_release_cmd_kref is not called.
This patch fixes the bug by moving kref initialization from
target_get_sess_cmd to transport_init_se_cmd (this function is called from
target_core_xcopy.c, so it will correctly initialize cmd_kref). It can be
easily verified that all code that calls target_get_sess_cmd also calls
transport_init_se_cmd earlier, thus moving kref_init shouldn't introduce
any new problems.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org # 3.12+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Commit ee1de406ba6eb1 ("random: simplify accounting logic") simplified
things too much, in that it allows the following to trigger an
overflow that results in a BUG_ON crash:
dd if=/dev/urandom of=/dev/zero bs=67108707 count=1
Thanks to Peter Zihlstra for discovering the crash, and Hannes
Frederic for analyizing the root cause.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reported-by: Peter Zijlstra <peterz@infradead.org>
Reported-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: Greg Price <price@mit.edu>
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The value written to PLLE_AUX was incorrect due to a wrong variable
being used. Without this fix SATA does not work.
Cc: stable@vger.kernel.org
Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: improved changelog]
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wdev->ifdev should be set by .change_virtual_intf(). This solves the
problem of WARN() messages on module unload.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* acpi-video:
ACPI / video: Revert native brightness quirk for ThinkPad T530
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Seems it helps some users, but causes issues for other users:
https://bugzilla.redhat.com/show_bug.cgi?id=1089545
So lets drop it for now until we've figured out a better fix.
Fixes: 43d949024425 (ACPI / video: Add use_native_backlight quirks for more systems)
References: https://bugzilla.redhat.com/show_bug.cgi?id=1089545
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Use a correct pipe type when filling un interrupt urbs. This should
finally take care of the WARN() messages on the console when USB urbs
are submitted.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Just like for pSCSI, if the transport sets get_write_cache, then it is
not valid to enable write cache emulation for it. Return an error.
see https://bugzilla.redhat.com/show_bug.cgi?id=1082675
Reviewed-by: Chris Leech <cleech@redhat.com>
Signed-off-by: Andy Grover <agrover@redhat.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch explicitly disables Immediate + Unsolicited Data for ISER
connections during login in iscsi_login_zero_tsih_s2() when protection
has been enabled for the session by the underlying hardware.
This is currently required because protection / signature memory regions
(MRs) expect T10 PI to occur on RDMA READs + RDMA WRITEs transfers, and
not on a immediate data payload associated with ISCSI_OP_SCSI_CMD, or
unsolicited data-out associated with a ISCSI_OP_SCSI_DATA_OUT.
v2 changes:
- Add TARGET_PROT_DOUT_INSERT check (Sagi)
- Add pr_debug noisemaker (Sagi)
- Add goto to avoid early return from MRDSL check (nab)
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch fixes a free-after-use regression in ft_free_cmd(), where
ft_sess_put() is called with cmd->sess after percpu_ida_free() has
already released the tag.
Fix this bug by saving the ft_sess pointer ahead of percpu_ida_free(),
and pass it directly to ft_sess_put().
The regression was originally introduced in v3.13-rc1 commit:
commit 5f544cfac956971099e906f94568bc3fd1a7108a
Author: Nicholas Bellinger <nab@daterainc.com>
Date: Mon Sep 23 12:12:42 2013 -0700
tcm_fc: Convert to per-cpu command map pre-allocation of ft_cmd
Reported-by: Jun Wu <jwu@stormojo.com>
Cc: Mark Rustad <mark.d.rustad@intel.com>
Cc: Robert Love <robert.w.love@intel.com>
Cc: <stable@vger.kernel.org> #3.13+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch changes an incorrect use of BUG_ON to instead generate a
REJECT + PROTOCOL_ERROR in iscsit_process_nop_out() code. This case
can occur with traditional TCP where a flood of zeros in the data
stream can reach this block for what is presumed to be a NOP-OUT with
a solicited reply, but without a valid iscsi_cmd pointer.
This incorrect BUG_ON was introduced during the v3.11-rc timeframe
with the following commit:
commit 778de368964c5b7e8100cde9f549992d521e9c89
Author: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Fri Jun 14 16:07:47 2013 -0700
iscsi/isert-target: Refactor ISCSI_OP_NOOP RX handling
Reported-by: Arshad Hussain <arshad.hussain@calsoftinc.com>
Cc: stable@vger.kernel.org # 3.11+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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When the target is in stop stage, iSER transport initiates RDMA disconnects.
The iSER initiator may wish to establish a new connection over the
still existing network portal. In this case iSER transport should not
accept and resume new RDMA connections. In order to learn that, iscsi_np
is added with enabled flag so the iSER transport can check when deciding
weather to accept and resume a new connection request.
The iscsi_np is enabled after successful transport setup, and disabled
before iscsi_np login threads are cleaned up.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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RDMA CM and iSCSI target flows are asynchronous and completely
uncorrelated. Relying on the fact that iscsi_accept_np will be called
after CM connection request event and will wait for it is a mistake.
When attempting to login to a few targets this flow is racy and
unpredictable, but for parallel login to dozens of targets will
race and hang every time.
The correct synchronizing mechanism in this case is pending on
a semaphore rather than a wait_for_event. We keep the pending
interruptible for iscsi_np cleanup stage.
(Squash patch to remove dead code into parent - nab)
Reported-by: Slava Shwartsman <valyushash@gmail.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Should be adding list_add_tail($new, $head) and not
the other way around.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Userspace tools assume if a value is read from configfs, it is valid
and will not cause an error if the same value is written back. The only
valid value for pi_prot_type for backends not supporting DIF is 0, so allow
this particular value to be set without returning an error.
Reported-by: Krzysztof Chojnowski <frirajder@gmail.com>
Signed-off-by: Andy Grover <agrover@redhat.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Cc: stable@vger.kernel.org # 3.14+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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When a new device is added below a hotplug bridge, the bridge's secondary
bus speed and the device's bus speed must match. The shpchp driver
previously checked the bridge's *primary* bus speed, not the secondary bus
speed.
This caused hot-add errors like:
shpchp 0000:00:03.0: Speed of bus ff and adapter 0 mismatch
Check the secondary bus speed instead.
[bhelgaas: changelog]
Link: https://bugzilla.kernel.org/show_bug.cgi?id=75251
Fixes: 3749c51ac6c1 ("PCI: Make current and maximum bus speeds part of the PCI core")
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
CC: stable@vger.kernel.org # v2.6.34+
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* pm-cpufreq:
intel_pstate: remove setting P state to MAX on init
intel_pstate: Set turbo VID for BayTrail
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* acpi-video:
ACPI / video: correct DMI tag for Dell Inspiron 7520
ACPI / video: Add use_native_backlight quirks for more systems
* acpi-blacklist:
ACPI / blacklist: Add dmi_enable_osi_linux quirk for Asus EEE PC 1015PX
ACPI: blacklist win8 OSI for Dell Inspiron 7737
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* acpi-ac:
ACPI: Revert "ACPI / AC: convert ACPI ac driver to platform bus"
* acpi-proc:
ACPI / proc: Do not say when /proc interfaces will be deleted in Kconfig
ACPI: Revert "ACPI / Battery: Remove battery's proc directory"
ACPI: Revert "ACPI: Remove CONFIG_ACPI_PROCFS_POWER and cm_sbsc.c"
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* acpica:
ACPICA: Tables: Restore old behavor to favor 32-bit FADT addresses.
ACPICA: Tables: Fix invalid pointer accesses in acpi_tb_parse_root_table().
* acpi-tpm:
ACPI / TPM: Fix resume regression on Chromebooks
* acpi-processor:
ACPI / processor: do not mark present at boot but not onlined CPU as onlined
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On SNB the BIOS provided WM memory latency values seem insufficient to
handle high resolution displays.
In this particular case the display mode was a 2560x1440@60Hz, which
makes the pixel clock 241.5 MHz. It was empirically found that a memory
latency value if 1.2 usec is enough to avoid underruns, whereas the BIOS
provided value of 0.7 usec was clearly too low. Incidentally 1.2 usec
is what the typical BIOS provided values are on IVB systems.
Increase the WM memory latency values to at least 1.2 usec on SNB.
Hopefully this won't have a significant effect on power consumption.
v2: Increase the latency values regardless of the pixel clock
Cc: Robert N <crshman@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=70254
Tested-by: Robert Navarro <crshman@gmail.com>
Tested-by: Vitaly Minko <vitaly.minko@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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When we set backlight on behalf of ACPI opregion, we will convert the
backlight value in the 0-255 range defined in opregion to the actual
hardware level. Commit 22505b82a2 (drm/i915: avoid brightness overflow
when doing scale) is meant to fix the overflow problem when doing the
conversion, but it also caused a problem that the converted hardware
level doesn't quite represent the intended value: say user wants maximum
backlight level(255 in opregion's range), then we will calculate the
actual hardware level to be: level = freq / max * level, where freq is
the hardware's max backlight level(937 on an user's box), and max and
level are all 255. The converted value should be 937 but the above
calculation will yield 765.
To fix this issue, just use 64 bits to do the calculation to keep the
precision and avoid overflow at the same time.
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=72491
Reported-by: Nico Schottelius <nico-bugzilla.kernel.org@schottelius.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This matches the algorithm used by earlier kernels when selecting the
mode for the fbcon. And only if there is no modes at all, do we fall
back to using the BIOS configuration. Seamless transition is still
preserved (from the BIOS configuration to ours) so long as the BIOS has
also chosen what we hope is the native configuration.
Reported-by: Knut Petersen <Knut_Petersen@t-online.de>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78655
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Knut Petersen <Knut_Petersen@t-online.de>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[Jani: applied Chris' "Please imagine that I wrote this correctly."]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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There are certain BDW high res eDP machines that regressed due to
commit 38aecea0ccbb909d635619cba22f1891e589b434
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Mar 3 11:18:10 2014 +0100
drm/i915: reverse dp link param selection, prefer fast over wide again
The commit lead to 2 lanes at 5.4 Gbps being used instead of 4 lanes at
2.7 Gbps on the affected machines. Link training succeeded for both, but
the screen remained blank with the former config. Further investigation
showed that 4 lanes at 5.4 Gbps worked also.
The root cause for the blank screen using 2 lanes remains unknown, but
apparently the driver for a certain other operating system by default
uses the max available lanes. Follow suit on Broadwell eDP, for at least
until we figure out what is going on.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76711
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Tested-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Commit 3e9f1be1b40 ("dm mpath: remove process_queued_ios()") did not
consistently take the multipath device's spinlock (m->lock) before
calling dm_table_run_md_queue_async() -- which takes the q->queue_lock.
Found with code inspection using hint from reported lockdep warning.
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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If the pool runs out of data space, dm-thin can be configured to
either error IOs that would trigger provisioning, or hold those IOs
until the pool is resized. Unfortunately, holding IOs until the pool is
resized can result in a cascade of tasks hitting the hung_task_timeout,
which may render the system unavailable.
Add a fixed timeout so IOs can only be held for a maximum of 60 seconds.
If LVM is going to resize a thin-pool that is out of data space it needs
to be prompt about it.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 3.14+
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