Olof Johansson [Tue, 18 Aug 2015 20:10:05 +0000 (13:10 -0700)]
Merge tag 'imx-soc-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc
The i.MX SoC changes for 4.3:
- Add i.MX6 Ultralite SoC support, which is the newest addition to
i.MX6 family. It integrates a single Cortex-A7 core and a power
management module that reduces the complexity of external power
supply and simplifies power sequencing.
- Change SNVS RTC driver to use syscon interface for register access,
and add SNVS power key driver support.
- Add a second clock for mxc rtc driver, and support device tree probe
for the driver.
- Add FEC MAC reference clock and phy fixup initialization for i.MX6UL
platform.
* tag 'imx-soc-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
rtc: snvs: select option REGMAP_MMIO
ARM: imx6ul: add fec MAC refrence clock and phy fixup init
ARM: imx6ul: add fec bits to GPR syscon definition
rtc: mxc: add support of device tree
dt-binding: document the binding for mxc rtc
rtc: mxc: use a second rtc clock
input: snvs_pwrkey: use "wakeup-source" as deivce tree property name
Document: devicetree: input: imx: i.mx snvs power device tree bindings
input: keyboard: imx: add snvs power key driver
Document: dt: fsl: snvs: change support syscon
rtc: snvs: use syscon to access register
ARM: imx: add low-level debug support for i.mx6ul
ARM: imx: add i.mx6ul msl support
Olof Johansson [Thu, 13 Aug 2015 10:13:54 +0000 (12:13 +0200)]
Merge tag 'v4.3-rockchip32-soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/soc
Improve reliability of resume on rk3288 boards. For whatever
reason resuming from suspend worked sucessfully on the rk3288-evb
but not on other boards, like veyron-devices. Two problems seem
to have existed. For one the stabilization delays for pmic and
oscillator may have been to short and secondly the shallow
suspend seems to need GPIO wakups enabled. Normally this should
be covered by the more generic ARMINT wakeups already and
the reason for this is still investigated at Rockchip, but
meanwhile this makes boards actually resume.
* tag 'v4.3-rockchip32-soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: rockchip: enable PMU_GPIOINT_WAKEUP_EN when entering shallow suspend
ARM: rockchip: set correct stabilization thresholds in suspend
ARM: rockchip: rename osc_switch_to_32k variable
Gregory Fong [Fri, 7 Aug 2015 02:22:38 +0000 (19:22 -0700)]
ARM: brcmstb: select ARCH_DMA_ADDR_T_64BIT for LPAE
Broadcom STB (BRCMSTB) has some 64-bit capable DMA and therefore needs
dma_addr_t to be a 64-bit size. One user is the Broadcom SATA3 AHCI
controller driver.
Gregory Fong [Wed, 5 Aug 2015 01:43:28 +0000 (18:43 -0700)]
ARM: BCM: Enable ARM erratum 798181 for BRCMSTB
Commit 04fcab32d3fa1d3f6afe97e0ab431c5572e07a2c ("ARM: 8111/1: Enable
erratum 798181 for Broadcom Brahma-B15") enables this erratum for
affected Broadcom Brahma-B15 CPUs when CONFIG_ARM_ERRATA_798181=y.
Let's make sure that config option is actually set.
ARM: rockchip: enable PMU_GPIOINT_WAKEUP_EN when entering shallow suspend
PMU_GPIOINT_WAKEUP_EN seems needed when entering the shallow suspend
(with logic staying on) but does not seem to be needed for the deep
suspend for unknown reasons.
Testing revealed that this setting really is necessary to reliably
resume the veyron devices from suspend.
Reported-by: Chris Zhong <zyw@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Chris Zhong <zyw@rock-chips.com> Tested-by: Chris Zhong <zyw@rock-chips.com> Reviewed-by: Douglas Anderson <dianders@chromium.org>
ARM: rockchip: set correct stabilization thresholds in suspend
Currently the stabilization thresholds for the oscillator and external pmu
are statically set to 30ms based on a 32kHz clock rate. This leaves out the
case when we don't switch to the 32kHz clock when only entering the shallow
suspend mode where the logic keeps running.
So, set the correct threshold after we have determined if we switch to the
32kHz clock or stay with the 24MHz one. Also set the oscillator-
stabilization to 0 if it is kept running during suspend, as it of course
does not need to stabilize then.
Reported-by: Chris Zhong <zyw@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Chris Zhong <zyw@rock-chips.com> Tested-by: Chris Zhong <zyw@rock-chips.com> Reviewed-by: Douglas Anderson <dianders@chromium.org>
Heiko Stuebner [Tue, 4 Aug 2015 22:14:55 +0000 (00:14 +0200)]
ARM: rockchip: rename osc_switch_to_32k variable
The variable name is misleading, as the deep suspend mode always switches
the main supplying clock to the 32kHz source. Additionally the main
oscillator remains running in some cases, which this var indicates.
So rename it to osc_disable to clarity.
Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Chris Zhong <zyw@rock-chips.com> Tested-by: Chris Zhong <zyw@rock-chips.com> Reviewed-by: Douglas Anderson <dianders@chromium.org>
ARM: imx6ul: add fec MAC refrence clock and phy fixup init
Add FEC MAC refrence clock init.
Add phy fixup init for i.MX6ul 14x14 evk board that installs KSZ8081 phy.
For the phy, there needs extra phy fixup for MII and RMII mode.
Philippe Reynes [Sun, 26 Jul 2015 21:37:50 +0000 (23:37 +0200)]
rtc: mxc: use a second rtc clock
The mxc RTC needs two clocks, one for the input
reference, and one for the IP. But this driver
was only using one clock (for the reference).
This patch add the second clock (for the IP).
Sudeep Holla [Sat, 1 Aug 2015 15:33:56 +0000 (21:03 +0530)]
ARM: davinci: cp_intc: use IRQCHIP_SKIP_SET_WAKE instead of irq_set_wake callback
Commit 60f96b41f71d ("genirq: Add IRQCHIP_SKIP_SET_WAKE flag")
introduced a new flag to skip the irq_set_wake callback in the irqchip
core to avoid adding dummy irq_set_wake in the irqchip implementations.
This patch removes the dummy callback and sets the IRQCHIP_SKIP_SET_WAKE
flags.
Cc: Sekhar Nori <nsekhar@ti.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Wed, 5 Aug 2015 09:09:02 +0000 (11:09 +0200)]
Merge tag 'mvebu-soc-4.3-1' of git://git.infradead.org/linux-mvebu into next/soc
mvebu soc changes for v4.3 (part #1)
- Extend suspend to RAM support in order to add new mvebu SoC
- Add standby support for all Armada 3xx/XP SoCs
* tag 'mvebu-soc-4.3-1' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: Warn about the wake-up sources not taken into account in suspend
ARM: mvebu: Add standby support
ARM: mvebu: Use __init for the PM initialization functions
ARM: mvebu: prepare pm-board.c for the introduction of Armada 38x support
ARM: mvebu: prepare mvebu_pm_store_bootinfo() to support multiple SoCs
ARM: mvebu: do not check machine in mvebu_pm_init()
ARM: mvebu: prepare set_cpu_coherent() for future extension
Olof Johansson [Wed, 5 Aug 2015 08:53:52 +0000 (10:53 +0200)]
Merge tag 'zynq-soc-for-4.3' of https://github.com/Xilinx/linux-xlnx into next/soc
arm: Xilinx Zynq SoC patches for v4.2
- Fix earlyprintk, jump trampoline for SMP
- Update git tree location
- Setup PL310 aux (bit 22)
* tag 'zynq-soc-for-4.3' of https://github.com/Xilinx/linux-xlnx:
ARM: zynq: reserve space for jump target in secondary trampoline
clk: zynq: remove redundant $(CONFIG_ARCH_ZYNQ) in Makefile
MAINTAINERS: Update Zynq git tree location
ARM: zynq: Set bit 22 in PL310 AuxCtrl register (6395/1)
ARM: zynq: Fix earlyprintk in big endian mode
ARM: zynq: reserve space for jump target in secondary trampoline
Add a zero argument to the .word directive in
zynq_secondary_trampoline. Without an expression the assembler emits
nothing for the .word directive.
This makes it so that the intended range is communicated to ioremap
and outer_flush_range in zynq_cpun_start; e.g. for LE
trampoline_code_size evaluates to 12 now instead of 8.
Found by inspection. I'm not aware of any real problem this fixes.
Tested by doing on online/offline loop on ZC702.
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Jun Nie [Wed, 29 Jul 2015 06:16:58 +0000 (14:16 +0800)]
ARM: zx: Add power domains for ZX296702
Add power domains for ZX296702 to power off
inactive power domains in runtime.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
[olof: Marked zx296702_pd_driver as __initdata to avoid section mismatch] Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Tue, 28 Jul 2015 16:26:14 +0000 (18:26 +0200)]
Merge tag 'socfpga_updates_for_v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into next/soc
SoCFPGA updates for v4.3
- Add smp.ops.cpu_kill() for kexec
- Add reboot capability for Arria10
* tag 'socfpga_updates_for_v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
ARM: socfpga: add reset for the Arria 10 platform
ARM: socfpga: add smp_ops.cpu_kill to make kexec/kdump available
Olof Johansson [Tue, 28 Jul 2015 16:17:31 +0000 (18:17 +0200)]
Merge tag 'v4.2-next-soc' of https://github.com/mbgg/linux-mediatek into next/soc
- ARM: mediatek: Add regmap to mediatek Kconfig
- soc: mediatek: Drop owner assignment from platform_driver
- soc: Mediatek: Add SCPSYS power domain driver
- dt-bindings: soc: Add documentation for the MediaTek SCPSYS unit
- soc: mediatek: Add infracfg misc driver support
* tag 'v4.2-next-soc' of https://github.com/mbgg/linux-mediatek:
ARM: mediatek: Add regmap to mediatek Kconfig
soc: mediatek: Drop owner assignment from platform_driver
soc: Mediatek: Add SCPSYS power domain driver
dt-bindings: soc: Add documentation for the MediaTek SCPSYS unit
soc: mediatek: Add infracfg misc driver support
ARM: mvebu: Warn about the wake-up sources not taken into account in suspend
On the Armada 370/XP/38x/39x SoCs when the suspend to ram feature is
supported, the SoCs are shutdown and will be woken up by an external
micro-controller, so there is no possibility to setup wake-up sources
from Linux. However, in standby mode, the SoCs stay powered and it is
possible to wake-up from any interrupt sources. Since when the users
configures the enabled wake-up sources there is no way to know if the
user will be doing suspend to RAM or standby, we just allow all
wake-up sources to be enabled, and only warn when entering suspend to
RAM
The purpose of this patch is to inform the user that in suspend to ram
mode, the wake-up sources won't be taken into consideration.
Olof Johansson [Mon, 27 Jul 2015 12:49:24 +0000 (14:49 +0200)]
Merge tag 'pxa-for-4.3-v2' of https://github.com/rjarzmik/linux into next/soc
This is the pxa changes for v4.3 cycle.
There is mostly one evolution on the dma side, to enable cooperation
of the legacy pxa DMA API, and the new dmaengine API.
Once all drivers using DMA are converted, the legacy DMA API should
be removed.
* tag 'pxa-for-4.3-v2' of https://github.com/rjarzmik/linux:
ARM: pxa: Use setup_timer
ARM: pxa: Use module_platform_driver
ARM: pxa: transition to dmaengine phase 1
Olof Johansson [Mon, 27 Jul 2015 12:36:53 +0000 (14:36 +0200)]
Merge tag 'omap-for-v4.3/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
SoC changes for omaps for v4.3 merge window:
- Clean-up omap4_local_timer_init to drop deal legacy code
- Provide proper IO map table for dra7
- Clean-up IOMMU layer init code as it now uses IOMMU framework
- A series of changes to fix up dm814x support that's been in a broken
half-merged state for quite some time
- A series of PRCM and hwmod changes via Paul Walmsley <paul@pwsan.com>:
- I/O wakeup support for AM43xx
- register lock and unlock support to the hwmod code (needed for the RTC
IP blocks on some chips)
- several fixes for sparse warnings and an unnecessary null pointer test
- a DRA7xx clockdomain configuration workaround, to deal with some hardware
bugs
* tag 'omap-for-v4.3/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (21 commits)
ARM: OMAP2: Add minimal dm814x hwmod support
ARM: OMAP2+: Prepare dm81xx hwmod code for adding minimal dm814x support
ARM: PRM: AM437x: Enable IO wakeup feature
ARM: OMAP4+: PRM: Add AM437x specific data
ARM: OMAP: PRM: Remove hardcoding of IRQENABLE_MPU_2 and IRQSTATUS_MPU_2 register offsets
ARM: dts: AM4372: Add PRCM IRQ entry
ARM: AM43xx: Add the PRM IRQ register offsets
ARM: OMAP4: PRM: Remove hardcoding of PRM_IO_PMCTRL_OFFSET register
ARM: OMAP2+: Add support for initializing dm814x clocks
ARM: OMAP2+: Add custom prwdm_operations for 81xx to support dm814x
ARM: OMAP2+: Add minimal clockdomains for dm814x
ARM: OMAP2+: Fix scm compatible for dm814x
ARM: OMAP2+: Fix dm814x DT_MACHINE_START
ARM: OMAP2+: Remove module references from IOMMU machine layer
ARM: DRA7: Provide proper IO map table
ARM: OMAP2+: Clean up omap4_local_timer_init
ARM: OMAP2: Delete an unnecessary check
ARM: OMAP2+: sparse: add missing function declarations
ARM: OMAP2+: sparse: add missing static declaration
ARM: OMAP2+: hwmod: add support for lock and unlock hooks
...
Olof Johansson [Mon, 27 Jul 2015 12:25:23 +0000 (14:25 +0200)]
Merge tag 'sti-soc-for-v4.3-1' of https://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/sti into next/soc
STi SoC updates for v4.3, round 1.
Highlights:
-----------
- Add code to release secondary cores from holding pen.
- Remove useless call to trace_hardirqs_off() in secondary core init function.
* tag 'sti-soc-for-v4.3-1' of https://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/sti:
ARM: STi: Remove platform call to trace_hardirqs_off()
ARM: STi: Add code to release secondary cores from holding pen.
Until now only one Armada XP and one Armada 388 based board supported
suspend to ram. However, most of the recent mvebu SoCs can support the
standby mode. Unlike for the suspend to ram, nothing special has to be
done for these SoCs. This patch allows the system to use the standby
mode on Armada 370, 38x, 39x and XP SoCs. There are issues with the
Armada 375, and the support might be added (if possible) in a future
patch.
ARM: mvebu: prepare pm-board.c for the introduction of Armada 38x support
The pm-board.c code contains the board-specific logic to enter suspend
to RAM. Until now, the code supported only the Armada XP GP board, so
all functions and symbols were named with armada_xp_gp. However, it
turns out that the Armada 388 GP also uses the same 3 GPIOs protocol
to talk to the PIC microcontroller that controls the power supply.
Since we are going to re-use the same code with no change for Armada
38x, this commit renames the functions and symbols to use just
"armada" instead of "armada_xp_gp". Better names can be found if one
day other boards having a different protocol/mechanism are supported
in the kernel.
ARM: mvebu: prepare mvebu_pm_store_bootinfo() to support multiple SoCs
As we are going to introduce support for Armada 38x in pm.c, split out
the Armada XP part of mvebu_pm_store_bootinfo() into
mvebu_pm_store_armadaxp_bootinfo(), and make the former retunr an
error when an unsupported SoC is used.
ARM: mvebu: do not check machine in mvebu_pm_init()
The mvebu_pm_init() initializes the support for suspend/resume, and
before doing that, it checks if we are on a board on which
suspend/resume is actually supported. However, this check is already
done by mvebu_armada_xp_gp_pm_init(), and there is no need to
duplicate the check: callers of mvebu_pm_init() should now what they
are doing.
This commit is done in preparation to the addition of suspend/resume
support on Armada 38x.
ARM: mvebu: prepare set_cpu_coherent() for future extension
This patch prepares the set_cpu_coherent() function in coherency.c to
be extended to support other SoCs than Armada XP. It will be needed on
Armada 38x to re-enable the coherency after exiting from suspend to
RAM.
This preparation simply moves the function further down in coherency.c
so that it can use coherency_type(), and uses that function to only do
the Armada XP specific work if we are on Armada XP.
Tony Lindgren [Thu, 16 Jul 2015 08:55:58 +0000 (01:55 -0700)]
ARM: OMAP2+: Prepare dm81xx hwmod code for adding minimal dm814x support
Let's change the defines so we can share the hwmod code better between
dm816x and dm814x, and let's add the dm814x specific defines. And let's
rename the shared ones to start with dm81xx. No functional changes.
Cc: Matthijs van Duin <matthijsvanduin@gmail.com> Cc: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Tony Lindgren [Fri, 24 Jul 2015 04:14:02 +0000 (21:14 -0700)]
Merge tag 'for-v4.3/omap-hwmod-prcm-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.3/soc
ARM: OMAP2+: PRCM and hwmod changes for v4.3
This series adds:
- I/O wakeup support for AM43xx
- register lock and unlock support to the hwmod code (needed for the RTC
IP blocks on some chips)
- several fixes for sparse warnings and an unnecessary null pointer test
- a DRA7xx clockdomain configuration workaround, to deal with some hardware
bugs
Mediatek SoC needs the regmap/syscon infrastructure.
The infrastructure is used by the clock and pinctrl driver.
This patch adds MD_SYSCON to Kconfig for all Mediatek devices.
Enable IO wakeup feature. This enables am437x pads to generate daisy
chained wake ups(eventually generates aprcm Interrupt) especially
when in low power modes.
Signed-off-by: Keerthy <j-keerthy@ti.com> Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
The register offsets for some of the PRM Registers are different
hence populating the differing fields. This is needed to support
IO wake up feature for am437x family.
Signed-off-by: Keerthy <j-keerthy@ti.com> Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
ARM: OMAP: PRM: Remove hardcoding of IRQENABLE_MPU_2 and IRQSTATUS_MPU_2 register offsets
The register offsets of IRQENABLE_MPU_2 and IRQSTATUS_MPU_2 are hardcoded.
This makes it difficult to reuse the code for SoCs like AM437x that have
a single instance of IRQENABLE_MPU and IRQSTATUS_MPU registers.
Hence handling the case using offset of 4 to accommodate single set of IRQ*
registers generically.
Signed-off-by: Keerthy <j-keerthy@ti.com>
[paul@pwsan.com: fixed whitespace alignment problems reported by checkpatch.pl] Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
Add the PRM IRQ register offsets. This is needed to support PRM I/O
wakeup on AM43xx.
Signed-off-by: Keerthy <j-keerthy@ti.com>
[paul@pwsan.com: improved patch description, moved the PRM_IO_PMCTRL macro
out of the CM section] Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
ARM: OMAP4: PRM: Remove hardcoding of PRM_IO_PMCTRL_OFFSET register
PRM_IO_PMCTRL_OFFSET need not be same for all SOCs hence
remove hardcoding and use the value provided by the omap_prcm_irq_setup
structure. This is done to support IO wakeup on am437x series.
Signed-off-by: Keerthy <j-keerthy@ti.com> Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
Peter Griffin [Tue, 9 Jun 2015 21:47:00 +0000 (23:47 +0200)]
ARM: STi: Remove platform call to trace_hardirqs_off()
Calling trace_hardirqs_off() from the platform specific
secondary startup code as not been necessary since Dec 2010
when Russell King consolidated the call into the common SMP
code.
2c0136d ARM: SMP: consolidate trace_hardirqs_off() into common SMP code
Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Peter Griffin [Tue, 9 Jun 2015 13:33:00 +0000 (15:33 +0200)]
ARM: STi: Add code to release secondary cores from holding pen.
Most upstream devs boot STi platform via JTAG which abuses the
boot process by setting the PC of secondary cores directly. As
a consquence, booting STi platforms via u-boot results in only
the primary core being brought up as the code to manage the
holding pen is not upstream.
This patch adds the necessary code to bring the secondary cores
out of the holding pen. It uses the cpu-release-addr DT property
to get the address of the holding pen from the bootloader.
With this patch booting upstream kernels via u-boot works
correctly:
[ 0.045456] CPU: Testing write buffer coherency: ok
[ 0.045597] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.045734] Setting up static identity map for 0x40209000 - 0x40209098
[ 0.065047] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.065081] Brought up 2 CPUs
[ 0.065089] SMP: Total of 2 processors activated (5983.43 BogoMIPS).
[ 0.065092] CPU: All CPU(s) started in SVC mode.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Acked-by: Maxime Coquelin <maxime.coquelin@st.com> Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Thomas Betker [Tue, 12 May 2015 06:22:01 +0000 (08:22 +0200)]
ARM: zynq: Set bit 22 in PL310 AuxCtrl register (6395/1)
This patch is based on the
commit 1a8e41cd672f ("ARM: 6395/1: VExpress: Set bit 22 in the PL310
(cache controller) AuxCtlr register")
Clearing bit 22 in the PL310 Auxiliary Control register (shared
attribute override enable) has the side effect of transforming Normal
Shared Non-cacheable reads into Cacheable no-allocate reads.
Coherent DMA buffers in Linux always have a cacheable alias via the
kernel linear mapping and the processor can speculatively load cache
lines into the PL310 controller. With bit 22 cleared, Non-cacheable
reads would unexpectedly hit such cache lines leading to buffer
corruption.
For Zynq, this fix avoids memory inconsistencies between Gigabit
Ethernet controller (GEM) and CPU when DMA_CMA is disabled.
Suggested-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com> Signed-off-by: Thomas Betker <thomas.betker@rohde-schwarz.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Arun Chandran [Fri, 12 Jun 2015 06:53:24 +0000 (12:23 +0530)]
ARM: zynq: Fix earlyprintk in big endian mode
earlyprintk messages are not appearing on the terminal
emulator during a big endian kernel boot. In BE mode
sending full words to UART will result in unprintable
characters as they are byte swapped versions of printable
ones. So send only bytes.
Signed-off-by: Arun Chandran <achandran@mvista.com> Tested-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
@b depends on a@
identifier e, a.x;
@@
-static e(...) { platform_driver_unregister(&x); }
@c depends on a && b@
identifier a.f;
declarer name module_init;
@@
-module_init(f);
@d depends on a && b && c@
identifier b.e, a.x;
declarer name module_exit;
declarer name module_platform_driver;
@@
-module_exit(e);
+module_platform_driver(x);
Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Robert Jarzmik [Sat, 14 Feb 2015 22:38:39 +0000 (23:38 +0100)]
ARM: pxa: transition to dmaengine phase 1
In order to slowly transition pxa to dmaengine, the legacy code will now
rely on dmaengine to request a channel.
This implies that PXA architecture selects DMADEVICES and PXA_DMA,
which is not pretty. Yet it enables PXA drivers to be ported one by one,
with part of them using dmaengine, and the other part using the legacy
code.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Olof Johansson [Fri, 17 Jul 2015 17:36:32 +0000 (10:36 -0700)]
Merge tag 'v4.3-rockchip32-soc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/soc
Merge "Rockchip soc changes for 4.3, part1" from Heiko Stuebner:
Some suspend improvements enabling the possibility to wakeup
from usbphy events and a rework of how cpu cores are brought
up and down, as it was possible to produce lockups when
hammering the cpu hotplug functions.
* tag 'v4.3-rockchip32-soc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: rockchip: fix broken build
ARM: rockchip: remove some useless macro in pm.h
ARM: rockchip: add support holding 24Mhz osc during suspend
ARM: rockchip: fix the SMP code style
ARM: rockchip: ensure CPU to enter WFI/WFE state
ARM: rockchip: fix the CPU soft reset
ARM: rockchip: restore dapswjdp after suspend
Tony Lindgren [Thu, 16 Jul 2015 08:55:57 +0000 (01:55 -0700)]
ARM: OMAP2+: Add support for initializing dm814x clocks
Let's add a minimal clocks for dm814x to get it booted. This is
mostly a placeholder and relies on the PLLs being on from the
bootloader.
Note that the divider clocks work the same way as on dm816x and
am335x.
Cc: Matthijs van Duin <matthijsvanduin@gmail.com> Cc: Mike Turquette <mturquette@linaro.org> Cc: Paul Walmsley <paul@pwsan.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Tero Kristo <t-kristo@ti.com> Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
Tony Lindgren [Thu, 16 Jul 2015 08:55:57 +0000 (01:55 -0700)]
ARM: OMAP2+: Add custom prwdm_operations for 81xx to support dm814x
Looking at the TI kernel tree I noticed that dm81xx need custom
ti81xx_pwrdm_operations. Let's also change dm816x over to use them
as the registers are different for dm81xx compared to others.
Cc: Matthijs van Duin <matthijsvanduin@gmail.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Tony Lindgren [Thu, 16 Jul 2015 08:55:57 +0000 (01:55 -0700)]
ARM: OMAP2+: Add minimal clockdomains for dm814x
For now, let's just add the ones shared with dm816x.
The dm814x specific ones can be added as they are tested.
Cc: Matthijs van Duin <matthijsvanduin@gmail.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Suman Anna [Fri, 10 Jul 2015 20:43:05 +0000 (15:43 -0500)]
ARM: OMAP2+: Remove module references from IOMMU machine layer
The OMAP IOMMU driver has been adapted to the IOMMU framework
for a while now, and it no longer supports being built as a
module. Cleanup all the module related references both from
the code and in the build.
While at it, also relocate a comment around the initcall to
avoid a checkpatch strict warning about using a blank line
after function/struct/union/enum declarations.
Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
NOTE: Most of the drivers are already doing ioremap, so, there should'nt
be any functional improvement involved here, other than making the
initial iotable more accurate.
Fixes: a3a9384a1157 ("ARM: DRA7: Reuse io tables and add a new .init_early") Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Markus Elfring [Tue, 30 Jun 2015 12:00:16 +0000 (14:00 +0200)]
ARM: OMAP2: Delete an unnecessary check
The of_node_put() function tests whether its argument is NULL and then
returns immediately if so. Furthermore, the kerneldoc for
of_node_put() explicitly supports passing in a NULL pointer as its
argument. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
[paul@pwsan.com: dropped the omap_device.c and omap_hwmod.c changes for
now, edited the commit message accordingly and to note the documented
"contract"] Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
Sekhar Nori [Sat, 11 Jul 2015 14:59:16 +0000 (20:29 +0530)]
ARM: OMAP2+: sparse: add missing function declarations
omap3xxx_restart() and omap44xx_restart() are global
functions declared in common.h. Include this file
in omap3-restart.c and omap4-restart.c to prevent
sparse warnings of type:
arch/arm/mach-omap2/omap4-restart.c:22:6: warning: symbol 'omap44xx_restart' was not declared. Should it be static?
Signed-off-by: Sekhar Nori <nsekhar@ti.com> Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
Lokesh Vutla [Wed, 10 Jun 2015 09:26:24 +0000 (14:56 +0530)]
ARM: OMAP2+: hwmod: add support for lock and unlock hooks
Some IP blocks like RTC, needs an additional setting for writing to its
registers. This is to prevent any spurious writes from changing the
register values.
This patch adds optional lock and unlock function pointers to
the IP block's hwmod data. These unlock and lock function pointers
are called by hwmod code before and after writing sysconfig registers.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[paul@pwsan.com: fixed indentation level to conform with the rest of the
structure members] Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
Vignesh R [Wed, 3 Jun 2015 11:51:20 +0000 (17:21 +0530)]
ARM: OMAP2+: DRA7: clockdomain: change l4per2_7xx_clkdm to SW_WKUP
Legacy IPs like PWMSS, present under l4per2_7xx_clkdm, cannot support
smart-idle when its clock domain is in HW_AUTO on DRA7 SoCs. Hence,
program clock domain to SW_WKUP.
Signed-off-by: Vignesh R <vigneshr@ti.com> Acked-by: Tero Kristo <t-kristo@ti.com> Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: <stable@vger.kernel.org>
Frank Li [Tue, 26 May 2015 16:26:01 +0000 (00:26 +0800)]
Document: devicetree: input: imx: i.mx snvs power device tree bindings
The snvs-pwrkey is designed to enable POWER key function which controlled
by SNVS ONOFF. the driver can report the status of POWER key and wakeup
system if pressed after system suspend.
Signed-off-by: Frank Li <Frank.Li@freescale.com> Signed-off-by: Robin Gong <b38343@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Robin Gong [Tue, 26 May 2015 16:26:00 +0000 (00:26 +0800)]
input: keyboard: imx: add snvs power key driver
add snvs power key driver.
It work in imx chips after i.mx6sx
ON/OFF key used power on/off whole system.
This driver make it wakeup from suspend state when short press
ON/OFF key.
Long time press will trig SNVS power off chip without software
intervention.
Signed-off-by: Robin Gong <b38343@freescale.com> Signed-off-by: Frank Li <Frank.Li@freescale.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Frank Li [Tue, 26 May 2015 16:25:58 +0000 (00:25 +0800)]
Document: dt: fsl: snvs: change support syscon
snvs actually is multi fucntion driver.
Change to use syscon to access register.
Change snvs parent interrupt to option because single function
may have seperated irq number.
Signed-off-by: Frank Li <Frank.Li@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
So the change to test 'crtc_state->base.active' cannot possibly be
correct as-is.
There may be some other minimal fix (like just checking crtc_state for
NULL), but I'm just reverting it now for the rc2 release, and people
like Daniel Vetter who actually know this code will figure out what the
right solution is in the longer term.
Reported-and-bisected-by: Jörg Otte <jrg.otte@gmail.com> Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@intel.com> CC: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS fixes from Al Viro:
"Fixes for this cycle regression in overlayfs and a couple of
long-standing (== all the way back to 2.6.12, at least) bugs"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
freeing unlinked file indefinitely delayed
fix a braino in ovl_d_select_inode()
9p: don't leave a half-initialized inode sitting around
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
"A fair number of 4.2 fixes also because Markos opened the flood gates.
- Patch up the math used calculate the location for the page bitmap.
- The FDC (Not what you think, FDC stands for Fast Debug Channel) IRQ
around was causing issues on non-Malta platforms, so move the code
to a Malta specific location.
- A spelling fix replicated through several files.
- Fix to the emulation of an R2 instruction for R6 cores.
- Fix the JR emulation for R6.
- Further patching of mindless 64 bit issues.
- Ensure the kernel won't crash on CPUs with L2 caches with >= 8
ways.
- Use compat_sys_getsockopt for O32 ABI on 64 bit kernels.
- Fix cache flushing for multithreaded cores.
- A build fix"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: O32: Use compat_sys_getsockopt.
MIPS: c-r4k: Extend way_string array
MIPS: Pistachio: Support CDMM & Fast Debug Channel
MIPS: Malta: Make GIC FDC IRQ workaround Malta specific
MIPS: c-r4k: Fix cache flushing for MT cores
Revert "MIPS: Kconfig: Disable SMP/CPS for 64-bit"
MIPS: cps-vec: Use macros for various arithmetics and memory operations
MIPS: kernel: cps-vec: Replace KSEG0 with CKSEG0
MIPS: kernel: cps-vec: Use ta0-ta3 pseudo-registers for 64-bit
MIPS: kernel: cps-vec: Replace mips32r2 ISA level with mips64r2
MIPS: kernel: cps-vec: Replace 'la' macro with PTR_LA
MIPS: kernel: smp-cps: Fix 64-bit compatibility errors due to pointer casting
MIPS: Fix erroneous JR emulation for MIPS R6
MIPS: Fix branch emulation for BLTC and BGEC instructions
MIPS: kernel: traps: Fix broken indentation
MIPS: bootmem: Don't use memory holes for page bitmap
MIPS: O32: Do not handle require 32 bytes from the stack to be readable.
MIPS, CPUFREQ: Fix spelling of Institute.
MIPS: Lemote 2F: Fix build caused by recent mass rename.
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
- the high latency PIT detection fix, which slipped through the cracks
for rc1
- a regression fix for the early printk mechanism
- the x86 part to plug irq/vector related hotplug races
- move the allocation of the espfix pages on cpu hotplug to non atomic
context. The current code triggers a might_sleep() warning.
- a series of KASAN fixes addressing boot crashes and usability
- a trivial typo fix for Kconfig help text
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kconfig: Fix typo in the CONFIG_CMDLINE_BOOL help text
x86/irq: Retrieve irq data after locking irq_desc
x86/irq: Use proper locking in check_irq_vectors_for_cpu_disable()
x86/irq: Plug irq vector hotplug race
x86/earlyprintk: Allow early_printk() to use console style parameters like '115200n8'
x86/espfix: Init espfix on the boot CPU side
x86/espfix: Add 'cpu' parameter to init_espfix_ap()
x86/kasan: Move KASAN_SHADOW_OFFSET to the arch Kconfig
x86/kasan: Add message about KASAN being initialized
x86/kasan: Fix boot crash on AMD processors
x86/kasan: Flush TLBs after switching CR3
x86/kasan: Fix KASAN shadow region page tables
x86/init: Clear 'init_level4_pgt' earlier
x86/tsc: Let high latency PIT fail fast in quick_pit_calibrate()
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"This update from the timer departement contains:
- A series of patches which address a shortcoming in the tick
broadcast code.
If the broadcast device is not available or an hrtimer emulated
broadcast device, some of the original assumptions lead to boot
failures. I rather plugged all of the corner cases instead of only
addressing the issue reported, so the change got a little larger.
Has been extensivly tested on x86 and arm.
- Get rid of the last holdouts using do_posix_clock_monotonic_gettime()
- A regression fix for the imx clocksource driver
- An update to the new state callbacks mechanism for clockevents.
This is required to simplify the conversion, which will take place
in 4.3"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick/broadcast: Prevent NULL pointer dereference
time: Get rid of do_posix_clock_monotonic_gettime
cris: Replace do_posix_clock_monotonic_gettime()
tick/broadcast: Unbreak CONFIG_GENERIC_CLOCKEVENTS=n build
tick/broadcast: Handle spurious interrupts gracefully
tick/broadcast: Check for hrtimer broadcast active early
tick/broadcast: Return busy when IPI is pending
tick/broadcast: Return busy if periodic mode and hrtimer broadcast
tick/broadcast: Move the check for periodic mode inside state handling
tick/broadcast: Prevent deep idle if no broadcast device available
tick/broadcast: Make idle check independent from mode and config
tick/broadcast: Sanity check the shutdown of the local clock_event
tick/broadcast: Prevent hrtimer recursion
clockevents: Allow set-state callbacks to be optional
clocksource/imx: Define clocksource for mx27
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Thomas Gleixner:
"A single fix for a cpu hotplug race vs. interrupt descriptors:
Prevent irq setup/teardown across the cpu starting/dying parts of cpu
hotplug so that the starting/dying cpu has a stable view of the
descriptor space. This has been an issue for all architectures in the
cpu dying phase, where interrupts are migrated away from the dying
cpu. In the starting phase its mostly a x86 issue vs the vector space
update"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hotplug: Prevent alloc/free of irq descriptors during cpu up/down
Al Viro [Wed, 8 Jul 2015 01:42:38 +0000 (02:42 +0100)]
freeing unlinked file indefinitely delayed
Normally opening a file, unlinking it and then closing will have
the inode freed upon close() (provided that it's not otherwise busy and
has no remaining links, of course). However, there's one case where that
does *not* happen. Namely, if you open it by fhandle with cold dcache,
then unlink() and close().
In normal case you get d_delete() in unlink(2) notice that dentry
is busy and unhash it; on the final dput() it will be forcibly evicted from
dcache, triggering iput() and inode removal. In this case, though, we end
up with *two* dentries - disconnected (created by open-by-fhandle) and
regular one (used by unlink()). The latter will have its reference to inode
dropped just fine, but the former will not - it's considered hashed (it
is on the ->s_anon list), so it will stay around until the memory pressure
will finally do it in. As the result, we have the final iput() delayed
indefinitely. It's trivial to reproduce -
main()
{
int fd;
union {
struct file_handle f;
char buf[MAX_HANDLE_SZ];
} x;
int m;
x.f.handle_bytes = sizeof(x);
chdir("/root");
mkdir("foo", 0700);
fd = open("foo/bar", O_CREAT | O_RDWR, 0600);
close(fd);
name_to_handle_at(AT_FDCWD, "foo/bar", &x.f, &m, 0);
flush_dcache();
fd = open_by_handle_at(AT_FDCWD, &x.f, O_RDWR);
unlink("foo/bar");
write(fd, buf, sizeof(buf));
system("df ."); /* 20Mb eaten */
close(fd);
system("df ."); /* should've freed those 20Mb */
flush_dcache();
system("df ."); /* should be the same as #2 */
}
will spit out something like
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 322023 303843 1131 100% /
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 322023 303843 1131 100% /
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 322023 283282 21692 93% /
- inode gets freed only when dentry is finally evicted (here we trigger
than by remount; normally it would've happened in response to memory
pressure hell knows when).
Cc: stable@vger.kernel.org # v2.6.38+; earlier ones need s/kill_it/unhash_it/ Acked-by: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 12 Jul 2015 14:39:45 +0000 (10:39 -0400)]
fix a braino in ovl_d_select_inode()
when opening a directory we want the overlayfs inode, not one from
the topmost layer.
Reported-By: Andrey Jr. Melnikov <temnota.am@gmail.com> Tested-By: Andrey Jr. Melnikov <temnota.am@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm
Pull libnvdimm fixes from Dan Williams:
"1) Fixes for a handful of smatch reports (Thanks Dan C.!) and minor
bug fixes (patches 1-6)
2) Correctness fixes to the BLK-mode nvdimm driver (patches 7-10).
Granted these are slightly large for a -rc update. They have been
out for review in one form or another since the end of May and were
deferred from the merge window while we settled on the "PMEM API"
for the PMEM-mode nvdimm driver (ie memremap_pmem, memcpy_to_pmem,
and wmb_pmem).
Now that those apis are merged we implement them in the BLK driver
to guarantee that mmio aperture moves stay ordered with respect to
incoming read/write requests, and that writes are flushed through
those mmio-windows and platform-buffers to be persistent on media.
These pass the sub-system unit tests with the updates to
tools/testing/nvdimm, and have received a successful build-report from
the kbuild robot (468 configs).
With acks from Rafael for the touches to drivers/acpi/"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm:
nfit: add support for NVDIMM "latch" flag
nfit: update block I/O path to use PMEM API
tools/testing/nvdimm: add mock acpi_nfit_flush_address entries to nfit_test
tools/testing/nvdimm: fix return code for unimplemented commands
tools/testing/nvdimm: mock ioremap_wt
pmem: add maintainer for include/linux/pmem.h
nfit: fix smatch "use after null check" report
nvdimm: Fix return value of nvdimm_bus_init() if class_create() fails
libnvdimm: smatch cleanups in __nd_ioctl
sparse: fix misplaced __pmem definition
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Mostly slight adjusments for new drivers, but also one core fix for
which finally the dependencies are now available as well"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: Mark instantiated device nodes with OF_POPULATE
i2c: jz4780: Fix return value if probe fails
i2c: xgene-slimpro: Fix missing mbox_free_channel call in probe error path
i2c: I2C_MT65XX should depend on HAS_DMA
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"A fix (revert) for a recent regression in Synaptics driver and a fix
for Elan i2c touchpad driver"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Revert "Input: synaptics - allocate 3 slots to keep stability in image sensors"
Input: elan_i2c - change the hover event from MT to ST
Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A small set of fixes for problems found by smatch in new drivers that
we added this rc and a handful of driver fixes that came in during the
merge window"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
drivers: clk: st: Incorrect register offset used for lock_status
clk: mediatek: mt8173: Fix enabling of critical clocks
drivers: clk: st: Fix mux bit-setting for Cortex A9 clocks
drivers: clk: st: Add CLK_GET_RATE_NOCACHE flag to clocks
drivers: clk: st: Fix flexgen lock init
drivers: clk: st: Fix FSYN channel values
drivers: clk: st: Remove unused code
clk: qcom: Use parent rate when set rate to pixel RCG clock
clk: at91: do not leak resources
clk: stm32: Fix out-by-one error path in the index lookup
clk: iproc: fix bit manipulation arithmetic
clk: iproc: fix memory leak from clock name
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"A bunch of fixes for radeon, intel, omap and one amdkfd fix.
Radeon fixes are all over, but it does fix some cursor corruption
across suspend/resume. i915 should fix the second warn you were
seeing, so let us know if not. omap is a bunch of small fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (28 commits)
drm/radeon: disable vce init on cayman (v2)
drm/amdgpu: fix timeout calculation
drm/radeon: check if BO_VA is set before adding it to the invalidation list
drm/radeon: allways add the VM clear duplicate
Revert "Revert "drm/radeon: dont switch vt on suspend""
drm/radeon: Fold radeon_set_cursor() into radeon_show_cursor()
drm/radeon: unpin cursor BOs on suspend and pin them again on resume (v2)
drm/radeon: Clean up reference counting and pinning of the cursor BOs
drm/amdkfd: validate pdd where it acquired first
Revert "drm/i915: Allocate context objects from stolen"
drm/i915: Declare the swizzling unknown for L-shaped configurations
drm/radeon: fix underflow in r600_cp_dispatch_texture()
drm/radeon: default to 2048 MB GART size on SI+
drm/radeon: fix HDP flushing
drm/radeon: use RCU query for GEM_BUSY syscall
drm/amdgpu: Handle irqs only based on irq ring, not irq status regs.
drm/radeon: Handle irqs only based on irq ring, not irq status regs.
drm/i915: Use crtc_state->active in primary check_plane func
drm/i915: Check crtc->active in intel_crtc_disable_planes
drm/i915: Restore all GGTT VMAs on resume
...
Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull selinux fixes from James Morris.
* 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
selinux: fix mprotect PROT_EXEC regression caused by mm change
selinux: don't waste ebitmap space when importing NetLabel categories
Merge branch 'for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"This is an assortment of fixes. Most of the commits are from Filipe
(fsync, the inode allocation cache and a few others). Mark kicked in
a series fixing corners in the extent sharing ioctls, and everyone
else fixed up on assorted other problems"
* 'for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix wrong check for btrfs_force_chunk_alloc()
Btrfs: fix warning of bytes_may_use
Btrfs: fix hang when failing to submit bio of directIO
Btrfs: fix a comment in inode.c:evict_inode_truncate_pages()
Btrfs: fix memory corruption on failure to submit bio for direct IO
btrfs: don't update mtime/ctime on deduped inodes
btrfs: allow dedupe of same inode
btrfs: fix deadlock with extent-same and readpage
btrfs: pass unaligned length to btrfs_cmp_data()
Btrfs: fix fsync after truncate when no_holes feature is enabled
Btrfs: fix fsync xattr loss in the fast fsync path
Btrfs: fix fsync data loss after append write
Btrfs: fix crash on close_ctree() if cleaner starts new transaction
Btrfs: fix race between caching kthread and returning inode to inode cache
Btrfs: use kmem_cache_free when freeing entry in inode cache
Btrfs: fix race between balance and unused block group deletion
btrfs: add error handling for scrub_workers_get()
btrfs: cleanup noused initialization of dev in btrfs_end_bio()
btrfs: qgroup: allow user to clear the limitation on qgroup
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Kevin Hilman:
"A fairly random colletion of fixes based on -rc1 for OMAP, sunxi and
prima2 as well as a few arm64-specific DT fixes.
This series also includes a late to support a new Allwinner (sunxi)
SoC, but since it's rather simple and isolated to the
platform-specific code, it's included it for this -rc"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: dts: add device tree for ARM SMM-A53x2 on LogicTile Express 20MG
arm: dts: vexpress: add missing CCI PMU device node to TC2
arm: dts: vexpress: describe all PMUs in TC2 dts
GICv3: Add ITS entry to THUNDER dts
arm64: dts: Add poweroff button device node for APM X-Gene platform
ARM: dts: am4372.dtsi: disable rfbi
ARM: dts: am57xx-beagle-x15: Provide supply for usb2_phy2
ARM: dts: am4372: Add emif node
Revert "ARM: dts: am335x-boneblack: disable RTC-only sleep"
ARM: sunxi: Enable simplefb in the defconfig
ARM: Remove deprecated symbol from defconfig files
ARM: sunxi: Add Machine support for A33
ARM: sunxi: Introduce Allwinner H3 support
Documentation: sunxi: Update Allwinner SoC documentation
ARM: prima2: move to use REGMAP APIs for rtciobrg
ARM: dts: atlas7: add pinctrl and gpio descriptions
ARM: OMAP2+: Remove unnessary return statement from the void function, omap2_show_dma_caps
memory: omap-gpmc: Fix parsing of devices
Thomas Gleixner [Sat, 11 Jul 2015 12:26:34 +0000 (14:26 +0200)]
tick/broadcast: Prevent NULL pointer dereference
Dan reported that the recent changes to the broadcast code introduced
a potential NULL dereference.
Add the proper check.
Fixes: e0454311903d "tick/broadcast: Sanity check the shutdown of the local clock_event" Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Merge branch 'parisc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"We have one important patch from Dave Anglin and myself which fixes
PTE/TLB race conditions which caused random segmentation faults on our
debian buildd servers, and one patch from Alex Ivanov which speeds up
the graphical text console on the STI framebuffer driver"
* 'parisc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix some PTE/TLB race conditions and optimize __flush_tlb_range based on timing results
stifb: Implement hardware accelerated copyarea
projects / karo-tx-linux.git / log