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Two patches, one to fix the touchscreen axis on one Allwinner board, and
the other one fixing a mutex unlocking issue on one error path in the RSB
driver.
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Merge tag 'sunxi-fixes-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into fixes
Merge "Allwinner fixes for 4.4" from Maxime Ripard:
Allwinner fixes for 4.4
Two patches, one to fix the touchscreen axis on one Allwinner board, and
the other one fixing a mutex unlocking issue on one error path in the RSB
driver.
* tag 'sunxi-fixes-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
bus: sunxi-rsb: unlock on error in sunxi_rsb_read()
ARM: dts: sunxi: sun6i-a31s-primo81.dts: add touchscreen axis swapping property
- Fix vf610 SAI clock configuration bug which is discovered by the newly
added master mode support in SAI audio driver.
- Fix buggy L2 cache latency values in vf610 device trees, which may
cause system hang when cpu runs at a higher frequency.
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Merge tag 'imx-fixes-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Merge "ARM: imx: fixes for 4.4, 2nd round" from Shawn Guo:
The i.MX fixes for 4.4, 2nd round:
- Fix vf610 SAI clock configuration bug which is discovered by the newly
added master mode support in SAI audio driver.
- Fix buggy L2 cache latency values in vf610 device trees, which may
cause system hang when cpu runs at a higher frequency.
* tag 'imx-fixes-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: vf610: use reset values for L2 cache latencies
ARM: dts: vf610: fix clock definition for SAI2
ARM: imx: clk-vf610: fix SAI clock tree
The Synchronous Audio Interface (SAI) instances are clocked by
independent clocks: The bus clock and the audio clock (as shown in
Figure 51-1 in the Vybrid Reference Manual). The clock gates in
CCGR0/CCGR1 for SAI0 through SAI3 are bus clock gates, as access
tests to the registers with/without gating those clocks have shown.
The audio clock is gated by the SAIx_EN gates in CCM_CSCDR1,
followed by a clock divider (SAIx_DIV). Currently, the parent of
the bus clock gates has been assigned to SAIx_DIV, which is not
involved in the bus clock path for the SAI instances (see chapter
9.10.12, SAI clocking in the Vybrid Reference Manual).
Fix this by define the parent clock of VF610_CLK_SAIx to be the bus
clock.
If the driver needs the audio clock (when used in master mode), a
fixed device tree is required which assign the audio clock properly
to VF610_CLK_SAIx_DIV.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This patch is specifically for PCI support on the Versatile PB board using
a DT. Currently, the dynamic IRQ mapping is broken when using DTs. For
example, on QEMU, the SCSI driver is unable to request the IRQ. To fix
this issue, this patch replaces the current dynamic mechanism with a
static value as is done in the non-DT case.
Signed-off-by: Guillaume Delbergue <guillaume.delbergue@greensocs.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org
Pull nouveau and radeon fixes from Dave Airlie:
"Just some nouveau and radeon/amdgpu fixes.
The nouveau fixes look large as the firmware context files are
regenerated, but the actual change is quite small"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon: make some dpm errors debug only
drm/nouveau/volt/pwm/gk104: fix an off-by-one resulting in the voltage not being set
drm/nouveau/nvif: allow userspace access to its own client object
drm/nouveau/gr/gf100-: fix oops when calling zbc methods
drm/nouveau/gr/gf117-: assume no PPC if NV_PGRAPH_GPC_GPM_PD_PES_TPC_ID_MASK is zero
drm/nouveau/gr/gf117-: read NV_PGRAPH_GPC_GPM_PD_PES_TPC_ID_MASK from correct GPC
drm/nouveau/gr/gf100-: split out per-gpc address calculation macro
drm/nouveau/bios: return actual size of the buffer retrieved via _ROM
drm/nouveau/instmem: protect instobj list with a spinlock
drm/nouveau/pci: enable c800 magic for some unknown Samsung laptop
drm/nouveau/pci: enable c800 magic for Clevo P157SM
drm/radeon: make rv770_set_sw_state failures non-fatal
drm/amdgpu: move dependency handling out of atomic section v2
drm/amdgpu: optimize scheduler fence handling
drm/amdgpu: remove vm->mutex
drm/amdgpu: add mutex for ba_va->valids/invalids
drm/amdgpu: adapt vce session create interface changes
drm/amdgpu: vce use multiple cache surface starting from stoney
drm/amdgpu: reset vce trap interrupt flag
Two fixes for the ds1307 alarm and wakeup.
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Merge tag 'rtc-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC fixes from Alexandre Belloni:
"Two fixes for the ds1307 alarm and wakeup"
* tag 'rtc-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: ds1307: fix alarm reading at probe time
rtc: ds1307: fix kernel splat due to wakeup irq handling
Pull SCSI target fixes from Nicholas Bellinger:
- fix tcm-user backend driver expired cmd time processing (agrover)
- eliminate kref_put_spinlock_irqsave() for I/O completion (bart)
- fix iscsi login kthread failure case hung task regression (nab)
- fix COMPARE_AND_WRITE completion use-after-free race (nab)
- fix COMPARE_AND_WRITE with SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC non zero
SGL offset data corruption. (Jan + Doug)
- fix >= v4.4-rc1 regression for tcm_qla2xxx enable configfs attribute
(Himanshu + HCH)
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target/stat: print full t10_wwn.model buffer
target: fix COMPARE_AND_WRITE non zero SGL offset data corruption
qla2xxx: Fix regression introduced by target configFS changes
kref: Remove kref_put_spinlock_irqsave()
target: Invoke release_cmd() callback without holding a spinlock
target: Fix race for SCF_COMPARE_AND_WRITE_POST checking
iscsi-target: Fix rx_login_comp hang after login failure
iscsi-target: return -ENOMEM instead of -1 in case of failed kmalloc()
target/user: Do not set unused fields in tcmu_ops
target/user: Fix time calc in expired cmd processing
Pull thermal management fixes from Zhang Rui:
"Specifics:
- several fixes and cleanups on Rockchip thermal drivers.
- add the missing support of RK3368 SoCs in Rockchip driver.
- small fixes on of-thermal, power_allocator, rcar driver, IMX, and
QCOM drivers, and also compilation fixes, on thermal.h, when thermal
is not selected"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
imx: thermal: use CPU temperature grade info for thresholds
thermal: fix thermal_zone_bind_cooling_device prototype
Revert "thermal: qcom_spmi: allow compile test"
thermal: rcar_thermal: remove redundant operation
thermal: of-thermal: Reduce log level for message when can't fine thermal zone
thermal: power_allocator: Use temperature reading from tz
thermal: rockchip: Support the RK3368 SoCs in thermal driver
thermal: rockchip: consistently use int for temperatures
thermal: rockchip: Add the sort mode for adc value increment or decrement
thermal: rockchip: improve the conversion function
thermal: rockchip: trivial: fix typo in commit
thermal: rockchip: better to compatible the driver for different SoCs
dt-bindings: rockchip-thermal: Support the RK3368 SoCs compatible
Cut 'n paste error saw it only process sizeof(t10_wwn.vendor) characters.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
target_core_sbc's compare_and_write functionality suffers from taking
data at the wrong memory location when writing a CAW request to disk
when a SGL offset is non-zero.
This can happen with loopback and vhost-scsi fabric drivers when
SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is used to map existing user-space
SGL memory into COMPARE_AND_WRITE READ/WRITE payload buffers.
Given the following sample LIO subtopology,
% targetcli ls /loopback/
o- loopback ................................. [1 Target]
o- naa.6001405ebb8df14a ....... [naa.60014059143ed2b3]
o- luns ................................... [2 LUNs]
o- lun0 ................ [iblock/ram0 (/dev/ram0)]
o- lun1 ................ [iblock/ram1 (/dev/ram1)]
% lsscsi -g
[3:0:1:0] disk LIO-ORG IBLOCK 4.0 /dev/sdc /dev/sg3
[3:0:1:1] disk LIO-ORG IBLOCK 4.0 /dev/sdd /dev/sg4
the following bug can be observed in Linux 4.3 and 4.4~rc1:
% perl -e 'print chr$_ for 0..255,reverse 0..255' >rand
% perl -e 'print "\0" x 512' >zero
% cat rand >/dev/sdd
% sg_compare_and_write -i rand -D zero --lba 0 /dev/sdd
% sg_compare_and_write -i zero -D rand --lba 0 /dev/sdd
Miscompare reported
% hexdump -Cn 512 /dev/sdd
00000000 0f 0e 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
*
00000200
Rather than writing all-zeroes as instructed with the -D file, it
corrupts the data in the sector by splicing some of the original
bytes in. The page of the first entry of cmd->t_data_sg includes the
CDB, and sg->offset is set to a position past the CDB. I presume that
sg->offset is also the right choice to use for subsequent sglist
members.
Signed-off-by: Jan Engelhardt <jengelh@netitwork.de>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Cc: <stable@vger.kernel.org> # v3.12+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
this patch fixes following regression
# targetcli
[Errno 13] Permission denied: '/sys/kernel/config/target/qla2xxx/21:00:00:0e:1e:08:c7:20/tpgt_1/enable'
Fixes: 2eafd72939fd ("target: use per-attribute show and store methods")
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This patch addresses a race + use after free where the first
stage of COMPARE_AND_WRITE in compare_and_write_callback()
is rescheduled after the backend sends the secondary WRITE,
resulting in second stage compare_and_write_post() callback
completing in target_complete_ok_work() before the first
can return.
Because current code depends on checking se_cmd->se_cmd_flags
after return from se_cmd->transport_complete_callback(),
this results in first stage having SCF_COMPARE_AND_WRITE_POST
set, which incorrectly falls through into second stage CAW
processing code, eventually triggering a NULL pointer
dereference due to use after free.
To address this bug, pass in a new *post_ret parameter into
se_cmd->transport_complete_callback(), and depend upon this
value instead of ->se_cmd_flags to determine when to return
or fall through into ->queue_status() code for CAW.
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.12+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This patch addresses a case where iscsi_target_do_tx_login_io()
fails sending the last login response PDU, after the RX/TX
threads have already been started.
The case centers around iscsi_target_rx_thread() not invoking
allow_signal(SIGINT) before the send_sig(SIGINT, ...) occurs
from the failure path, resulting in RX thread hanging
indefinately on iscsi_conn->rx_login_comp.
Note this bug is a regression introduced by:
commit e54198657b65625085834847ab6271087323ffea
Author: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Wed Jul 22 23:14:19 2015 -0700
iscsi-target: Fix iscsit_start_kthreads failure OOPs
To address this bug, complete ->rx_login_complete for good
measure in the failure path, and immediately return from
RX thread context if connection state did not actually reach
full feature phase (TARG_CONN_STATE_LOGGED_IN).
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Smatch complains about returning hard coded error codes, silence this
warning.
drivers/target/iscsi/iscsi_target_parameters.c:211
iscsi_create_default_params() warn: returning -1 instead of -ENOMEM is sloppy
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
TCMU sets TRANSPORT_FLAG_PASSTHROUGH, so INQUIRY commands will not be
emulated by LIO but passed up to userspace. Therefore TCMU should not
set these, just like pscsi doesn't.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Reversed arguments meant that we were doing nothing for cmds whose deadline
had passed.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
NUMA
Prevent out of bounds access in numa_node override (Mathias Krause)
HiSilicon host bridge driver
Fix deferred probing (Arnd Bergmann)
Synopsys DesignWare host bridge driver
Remove incorrect io_base assignment (Stanimir Varbanov)
Move align_resource function pointer to pci_host_bridge structure (Gabriele Paoloni)
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Merge tag 'pci-v4.4-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Here are a few fixes I'd like to have in v4.4: a generic one for sysfs
and three for HiSilicon and DesignWare host controllers.
Summary:
NUMA:
- Prevent out of bounds access in numa_node override (Mathias Krause)
HiSilicon host bridge driver:
- Fix deferred probing (Arnd Bergmann)
Synopsys DesignWare host bridge driver:
- Remove incorrect io_base assignment (Stanimir Varbanov)
- Move align_resource function pointer to pci_host_bridge structure
(Gabriele Paoloni)"
* tag 'pci-v4.4-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
ARM/PCI: Move align_resource function pointer to pci_host_bridge structure
PCI: hisi: Fix deferred probing
PCI: designware: Remove incorrect io_base assignment
PCI: Prevent out of bounds access in numa_node override
Pull watchdog fixes from Wim Van Sebroeck:
- a null pointer dereference fix for omap_wdt
- some clock related fixes for pnx4008
- an underflow fix in wdt_set_timeout() for w83977f_wdt
- restart fix for tegra wdt
- Kconfig change to support Freescale Layerscape platforms
- fix for stopping the mtk_wdt watchdog
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog
watchdog: Add support for Freescale Layerscape platforms
watchdog: tegra: Stop watchdog first if restarting
watchdog: w83977f_wdt: underflow in wdt_set_timeout()
watchdog: pnx4008: make global wdt_clk static
watchdog: pnx4008: fix warnings caused by enabling unprepared clock
watchdog: omap_wdt: fix null pointer dereference
There is a small backlog of at91 patches here, the most significant is
the addition of some sama5d2 Xplained nodes that were waiting on an MFD include
file to get merged through another tree. We normally try to sort those out
before the merge window opens, but the maintainer wasn't aware of that here
and I decided to merge the changes this time as an exception.
On OMAP a series of audio changes for dra7 missed the merge window but turned
out to be necessary to fix a boot time imprecise external abort error and to
get audio working.
The other changes are the usual simple changes, here is a list sorted by
platform:
at91:
removal of a useless defconfig option
removal of some legacy DT pieces
use of the proper watchdog compatible string
update of the MAINTAINERS entries for some Atmel drivers
drivers/scpi:
hide get_scpi_ops in module from built-in code
imx:
add missing .irq_set_type for i.MX GPC irq_chip.
fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
fix a merge error in Vybrid dts regarding to ADC device property
keystone:
fix the optional PDSP firmware loading
fix linking RAM setup for QMs
fix crash with clk_ignore_unused
mediatek:
Enable SCPSYS power domain driver by default
mvebu:
fix QNAP TS219 power-off in dts
fix legacy get_irqnr_and_base for dove and orion5x
omap:
fix l4 related boot time errors for dm81xx
use lockless cldm/pwrdm api in omap4_boot_secondary
remove t410 abort handler to avoid hiding other critical errors
mark cpuidle tracepoints as _rcuidle
fix module alias for omap-ocp2scp
pxa:
palm: Fix typos in PWM lookup table code
renesas:
missing __initconst annotation for r8a7793_boards_compat_dt
rockchip:
disable mmc-tuning on the veyron-minnie board
adding the init state for the over-temperature-protection
zx:
only build power domain code when CONFIG_PM=y
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"There is a small backlog of at91 patches here, the most significant is
the addition of some sama5d2 Xplained nodes that were waiting on an
MFD include file to get merged through another tree.
We normally try to sort those out before the merge window opens, but
the maintainer wasn't aware of that here and I decided to merge the
changes this time as an exception.
On OMAP a series of audio changes for dra7 missed the merge window but
turned out to be necessary to fix a boot time imprecise external abort
error and to get audio working.
The other changes are the usual simple changes, here is a list sorted
by platform:
at91:
removal of a useless defconfig option
removal of some legacy DT pieces
use of the proper watchdog compatible string
update of the MAINTAINERS entries for some Atmel drivers
drivers/scpi:
hide get_scpi_ops in module from built-in code
imx:
add missing .irq_set_type for i.MX GPC irq_chip.
fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
fix a merge error in Vybrid dts regarding to ADC device property
keystone:
fix the optional PDSP firmware loading
fix linking RAM setup for QMs
fix crash with clk_ignore_unused
mediatek:
Enable SCPSYS power domain driver by default
mvebu:
fix QNAP TS219 power-off in dts
fix legacy get_irqnr_and_base for dove and orion5x
omap:
fix l4 related boot time errors for dm81xx
use lockless cldm/pwrdm api in omap4_boot_secondary
remove t410 abort handler to avoid hiding other critical errors
mark cpuidle tracepoints as _rcuidle
fix module alias for omap-ocp2scp
pxa:
palm: Fix typos in PWM lookup table code
renesas:
missing __initconst annotation for r8a7793_boards_compat_dt
rockchip:
disable mmc-tuning on the veyron-minnie board
adding the init state for the over-temperature-protection
zx:
only build power domain code when CONFIG_PM=y"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
ARM: OMAP4+: SMP: use lockless clkdm/pwrdm api in omap4_boot_secondary
arm: omap2+: add missing HWMOD_NO_IDLEST in 81xx hwmod data
ARM: orion5x: Fix legacy get_irqnr_and_base
ARM: dove: Fix legacy get_irqnr_and_base
soc: Mediatek: Enable SCPSYS power domain driver by default
ARM: dts: vfxxx: Fix dspi[01] spi-num-chipselects.
ARM: dts: keystone: k2l: fix kernel crash when clk_ignore_unused is not in bootargs
soc: ti: knav_qmss_queue: Fix linking RAM setup for queue managers
soc: ti: use request_firmware_direct() as acc firmware is optional
ARM: imx: add platform irq type setting in gpc
ARM: dts: vfxxx: Fix erroneous property in esdhc0 node
ARM: shmobile: r8a7793: proper constness with __initconst
scpi: hide get_scpi_ops in module from built-in code
ARM: zx: only build power domain code when CONFIG_PM=y
ARM: pxa: palm: Fix typos in PWM lookup table code
ARM: dts: Kirkwood: Fix QNAP TS219 power-off
ARM: dts: rockchip: Add OTP gpio pinctrl to rk3288 tsadc node
ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
MAINTAINERS: Atmel drivers: change NAND and ISI entries
ARM: at91/dt: sama5d2 Xplained: add several devices
...
- Fix a recent regression in the cpufreq core causing it to fail
to clean up sysfs directories properly on cpufreq driver removal
(Viresh Kumar).
- Fix a build problem in the SCPI support code recently added to
the arm_big_little cpufreq driver (Punit Agrawal).
- Fix up the recently added CPPC cpufreq frontend to process the
CPU coordination information provided by the platform firmware
correctly (Ashwin Chaugule).
- Fix the intel_pstate driver to behave as intended when switched
over to the "performance" mode via sysfs if hardware-driven
P-state selection (HWP) is enabled (Alexandra Yates).
- Fix two rounding errors in the intel_pstate driver that sometimes
cause it to use lower P-states than requested (Prarit Bhargava).
/
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Merge tag 'pm+acpi-4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI fixes from Rafael Wysocki:
"These fix one recent regression (cpufreq core), fix up two features
added recently (ACPI CPPC support, SCPI support in the arm_big_little
cpufreq driver) and fix three older bugs in the intel_pstate driver.
Specifics:
- Fix a recent regression in the cpufreq core causing it to fail to
clean up sysfs directories properly on cpufreq driver removal
(Viresh Kumar).
- Fix a build problem in the SCPI support code recently added to the
arm_big_little cpufreq driver (Punit Agrawal).
- Fix up the recently added CPPC cpufreq frontend to process the CPU
coordination information provided by the platform firmware
correctly (Ashwin Chaugule).
- Fix the intel_pstate driver to behave as intended when switched
over to the "performance" mode via sysfs if hardware-driven P-state
selection (HWP) is enabled (Alexandra Yates).
- Fix two rounding errors in the intel_pstate driver that sometimes
cause it to use lower P-states than requested (Prarit Bhargava)"
* tag 'pm+acpi-4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
intel_pstate: Fix "performance" mode behavior with HWP enabled
cpufreq: SCPI: Depend on SCPI clk driver
cpufreq: intel_pstate: Fix limits->max_perf rounding error
cpufreq: intel_pstate: Fix limits->max_policy_pct rounding error
cpufreq: Always remove sysfs cpuX/cpufreq link on ->remove_dev()
cpufreq: CPPC: Initialize and check CPUFreq CPU co-ord type correctly
Ben Skeggs wrote:
A couple of regression fixes, some more boards whitelisted for a hw bug
workaround, gr/ucode fixes for hangs a user is seeing.
The changes look larger than they actually are due to the ucode binaries
(*.fucN.h) being regenerated.
* 'linux-4.4' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/volt/pwm/gk104: fix an off-by-one resulting in the voltage not being set
drm/nouveau/nvif: allow userspace access to its own client object
drm/nouveau/gr/gf100-: fix oops when calling zbc methods
drm/nouveau/gr/gf117-: assume no PPC if NV_PGRAPH_GPC_GPM_PD_PES_TPC_ID_MASK is zero
drm/nouveau/gr/gf117-: read NV_PGRAPH_GPC_GPM_PD_PES_TPC_ID_MASK from correct GPC
drm/nouveau/gr/gf100-: split out per-gpc address calculation macro
drm/nouveau/bios: return actual size of the buffer retrieved via _ROM
drm/nouveau/instmem: protect instobj list with a spinlock
drm/nouveau/pci: enable c800 magic for some unknown Samsung laptop
drm/nouveau/pci: enable c800 magic for Clevo P157SM
s3c2410_plls_add is a device notifier that may be called at runtime and
is correctly not marked __init. However it calls s3c_plltab_register()
which is marked __init, and that triggers a build error when we are
checking for section mismatches:
WARNING: vmlinux.o(.text+0x195e0): Section mismatch in reference from the function s3c2410_plls_add() to the function .init.text:s3c_plltab_register()
The function s3c2410_plls_add() references
the function __init s3c_plltab_register().
This is often because s3c2410_plls_add lacks a __init
annotation or the annotation of s3c_plltab_register is wrong.
This removes the __init annotation from s3c2410_plls_add as well as the
__initdata section annotations from s3c2440_plls_12 and s3c2440_plls_169344,
which in turn are referenced from s3c2410_plls_add.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
- Fix gntdev and numa balancing.
- Fix x86 boot crash due to unallocated legacy irq descs.
- Fix overflow in evtchn device when > 1024 event channels.
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Merge tag 'for-linus-4.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- Fix gntdev and numa balancing.
- Fix x86 boot crash due to unallocated legacy irq descs.
- Fix overflow in evtchn device when > 1024 event channels.
* tag 'for-linus-4.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/evtchn: dynamically grow pending event channel ring
xen/events: Always allocate legacy interrupts on PV guests
xen/gntdev: Grant maps should not be subject to NUMA balancing
If more than 1024 event channels are bound to a evtchn device then it
possible (even with well behaved applications) for the ring to
overflow and events to be lost (reported as an -EFBIG error).
Dynamically increase the size of the ring so there is always enough
space for all bound events. Well behaved applicables that only unmask
events after draining them from the ring can thus no longer lose
events.
However, an application could unmask an event before draining it,
allowing multiple entries per port to accumulate in the ring, and a
overflow could still occur. So the overflow detection and reporting
is retained.
The ring size is initially only 64 entries so the common use case of
an application only binding a few events will use less memory than
before. The ring size may grow to 512 KiB (enough for all 2^17
possible channels). This order 7 kmalloc() may fail due to memory
fragmentation, so we fall back to trying vmalloc().
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
After commit 8c058b0b9c34 ("x86/irq: Probe for PIC presence before
allocating descs for legacy IRQs") early_irq_init() will no longer
preallocate descriptors for legacy interrupts if PIC does not
exist, which is the case for Xen PV guests.
Therefore we may need to allocate those descriptors ourselves.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Doing so will cause the grant to be unmapped and then, during
fault handling, the fault to be mistakenly treated as NUMA hint
fault.
In addition, even if those maps could partcipate in NUMA
balancing, it wouldn't provide any benefit since we are unable
to determine physical page's node (even if/when VNUMA is
implemented).
Marking grant maps' VMAs as VM_IO will exclude them from being
part of NUMA balancing.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
With the actual code, read_alarm() always returns -EINVAL when called
during the RTC device registration. This prevents from retrieving an
already configured alarm in hardware.
This patch fixes the issue by moving the HAS_ALARM bit configuration
(if supported by the hardware) above the rtc_device_register() call.
Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
- A series of audio changes for dra7 that missed the merge window but turned
out to be necessary to fix a boot time imprecise external abort error and to
getaudio working
- Fix l4 related boot time errors for dm81xx
- Use lockless cldm/pwrdm api in omap4_boot_secondary
- Remove t410 custom abort handler that is no longer needed and may
hide other critical errors
- Mark cpuidle tracepoints as _rcuidle
- Fix module alias for omap-ocp2scp
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Merge tag 'omap-for-v4.4/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "Fixes for omaps for v4.4-rc cycle" from Tony Lindgren:
- A series of audio changes for dra7 that missed the merge window but turned
out to be necessary to fix a boot time imprecise external abort error and to
getaudio working
- Fix l4 related boot time errors for dm81xx
- Use lockless cldm/pwrdm api in omap4_boot_secondary
- Remove t410 custom abort handler that is no longer needed and may
hide other critical errors
- Mark cpuidle tracepoints as _rcuidle
- Fix module alias for omap-ocp2scp
* tag 'omap-for-v4.4/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4+: SMP: use lockless clkdm/pwrdm api in omap4_boot_secondary
arm: omap2+: add missing HWMOD_NO_IDLEST in 81xx hwmod data
ARM: OMAP2+: remove custom abort handler for t410
ARM: OMAP: DRA7: hwmod: Add data for McASP3
ARM: OMAP2+: hwmod: Add hwmod flag for HWMOD_OPT_CLKS_NEEDED
ARM: dts: dra7: Fix McASP3 node regarding to clocks
bus: omap-ocp2scp: Fix module alias
ARM: OMAP2+: PM: Denote the cpuidle tracepoints as _rcuidle()
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Merge tag 'v4.4-rc2' into fixes
Linux 4.4-rc2 is backmerged from the keystone fixes.
If hardware-driven P-state selection (HWP) is enabled, the
"performance" mode of intel_pstate should only allow the processor
to use the highest-performance P-state available. That is not
the case currently, so make it actually happen.
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Alexandra Yates <alexandra.yates@linux.intel.com>
[ rjw: Subject and changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit b3a72384fe29 ("ARM/PCI: Replace pci_sys_data->align_resource with
global function pointer") introduced an ARM-specific align_resource()
function pointer. This is not portable to other arches and doesn't work
for platforms with two different PCIe host bridge controllers.
Move the function pointer to the pci_host_bridge structure so each host
bridge driver can specify its own align_resource() function.
Signed-off-by: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
"Could not force DPM to low", etc. is usually harmless and
just confuses users.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Since commit 3fffd1283927 ("i2c: allow specifying
separate wakeup interrupt in device tree") we have
automatic wakeup irq support for i2c devices. That
commit missed the fact that rtc-1307 had its own
wakeup irq handling and ended up introducing a
kernel splat for at least Beagle x15 boards.
Fix that by reverting original commit _and_ passing
correct interrupt names on DTS so i2c-core can
choose correct IRQ as wakeup.
Now that we have automatic wakeirq support, we can
revert the original commit which did it manually.
Fixes the following warning:
[ 10.346582] WARNING: CPU: 1 PID: 263 at linux/drivers/base/power/wakeirq.c:43 dev_pm_attach_wake_irq+0xbc/0xd4()
[ 10.359244] rtc-ds1307 2-006f: wake irq already initialized
Cc: Tony Lindgren <tony@atomide.com>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Each GPCCS unit was reading the mask from GPC0, which causes problems on
boards where some GPCs are missing PPCs.
Part of the fix for fdo#92761.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
There's a few places where we need to access a GPC register from ucode,
but outside of the falcon's io address space. To do this we need to
calculate the offset based on which GPC we're executing on.
This used to be done manually, but we've since found a "base" offset
that can be added by the hardware. To use this, an extra bit needs to
be set in the register address, which is what this macro achieves.
There should be no functional change from this commit.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Fixes detection of a failed attempt at fetching the entire ROM image
in one-shot (a violation of the spec, that works a lot of the time).
Tested on a HP Zbook 15 G2.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
No locking is required for the traversal of this list, as it only
happens during suspend/resume where nothing else can be executing.
Fixes some of the issues noticed during parallel piglit runs.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
When we fail various metadata related operations in nvme_queue_rq we
need to unmap the data SGL.
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
