Pull scheduler, timer and x86 fixes from Ingo Molnar:
- A context tracking ARM build and functional fix
- A handful of ARM clocksource/clockevent driver fixes
- An AMD microcode patch level sysfs reporting fixlet
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
arm: Fix build error with context tracking calls
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: em_sti: Set cpu_possible_mask to fix SMP broadcast
clocksource: of: Respect device tree node status
clocksource: exynos_mct: Set IRQ affinity when the CPU goes online
arm: clocksource: mvebu: Use the main timer as clock source from DT
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/AMD: Fix patch level reporting for family 15h
Pull ARM fixes from Russell King:
"Just a few relatively small ARM fixes found since the last merge
window, nothing too exciting"
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7837/3: fix Thumb-2 bug in AES assembler code
ARM: only allow kernel mode neon with AEABI
ARM: 7839/1: entry: fix tracing of ARM-private syscalls
ARM: 7836/1: add __get_user_unaligned/__put_user_unaligned
ad65782fba (context_tracking: Optimize main APIs off case
with static key) converted context tracking main APIs to inline
function and left ARM asm callers behind.
This can be easily fixed by making ARM calling the post static
keys context tracking function. We just need to replicate the
static key checks there. We'll remove these later when ARM will
support the context tracking static keys.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Anil Kumar <anilk4.v@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Kevin Hilman <khilman@linaro.org>
Patch 638591c enabled building the AES assembler code in Thumb2 mode.
However, this code used arithmetic involving PC rather than adr{l}
instructions to generate PC-relative references to the lookup tables,
and this needs to take into account the different PC offset when
running in Thumb mode.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This prevents the linker erroring with:
arm-linux-ld: error: arch/arm/lib/xor-neon.o uses VFP instructions, whereas arch/arm/lib/built-in.o does not
arm-linux-ld: failed to merge target specific data of file arch/arm/lib/xor-neon.o
This is due to the non-neon files being marked as containing FPA data/
instructions (even though they do not) being mixed with files which
contain VFP, which is an incompatible floating point format.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit 377747c406 ("ARM: entry: allow ARM-private syscalls to be
restarted") reworked the low-level syscall dispatcher to allow
restarting of ARM-private syscalls. Unfortunately, this relocated the
label used to dispatch a private syscall from the trace path, so that
the invocation would be bypassed altogether!
This causes applications to fail under strace as soon as they rely on
a private syscall (e.g. set_tls):
set_tls(0xb6fad4c0, 0xb6fadb98, 0xb6fb1050, 0xb6fad4c0, 0xb6fb1050)
= -1 ENOSYS (Function not implemented)
This patch fixes the label so that we correctly dispatch private
syscalls from the trace path.
Reported-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
1) Four fixes for cpufreq regressions introduced by the changes that
removed Device Tree parsing for CPU device nodes from cpufreq
drivers from Sudeep KarkadaNagesha.
2) Two fixes for recent cpufreq regressions introduced by changes
related to the preservation of sysfs attributes over system
suspend/resume cycles from Viresh Kumar.
3) Fix for ACPI-based wakeup signaling in the PCI subsystem that
fails to stop PME polling for devices put into the D3cold power
state from Rafael J Wysocki.
4) Fix for bad interactions between cpufreq and udev on systems
supporting intel_pstate where acpi-cpufreq is available as well
from Yinghai Lu.
/
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Merge tag 'pm+acpi-3.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
1) Four fixes for cpufreq regressions introduced by the changes that
removed Device Tree parsing for CPU device nodes from cpufreq
drivers from Sudeep KarkadaNagesha.
2) Two fixes for recent cpufreq regressions introduced by changes
related to the preservation of sysfs attributes over system
suspend/resume cycles from Viresh Kumar.
3) Fix for ACPI-based wakeup signaling in the PCI subsystem that
fails to stop PME polling for devices put into the D3cold power
state from Rafael J Wysocki.
4) Fix for bad interactions between cpufreq and udev on systems
supporting intel_pstate where acpi-cpufreq is available as well
from Yinghai Lu.
* tag 'pm+acpi-3.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: return EEXIST instead of EBUSY for second registering
PCI / ACPI / PM: Clear pme_poll for devices in D3cold on wakeup
ARM: shmobile: change dev_id to cpu0 while registering cpu clock
ARM: i.MX: change dev_id to cpu0 while registering cpu clock
cpufreq: imx6q-cpufreq: assign cpu_dev correctly to cpu0 device
cpufreq: cpufreq-cpu0: assign cpu_dev correctly to cpu0 device
cpufreq: unlock correct rwsem while updating policy->cpu
cpufreq: Clear policy->cpus bits in __cpufreq_remove_dev_finish()
Currently all clkdev registration use "cpufreq-cpu0.0" as dev_id
for cpu clock which refers to virtual platform device. It needs to
be "cpu0" instead which is actual cpu0 device id.
This patch changes the dev_id from "cpufreq-cpu0.0" to "cpu0".
Reported-and-tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Magnus Damm <damm@opensource.se>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently all clkdev registration use "cpufreq-cpu0.0" as dev_id
for cpu clock which refers to virtual platform device. It needs to
be "cpu0" instead which is actual cpu0 device id.
This patch changes the dev_id from "cpufreq-cpu0.0" to "cpu0".
Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit cdc58d602d "cpufreq: imx6q-cpufreq:
remove device tree parsing for cpu nodes" assumed the pdev->dev is set to
cpu0 device in the platform code. But it actually points to the virtual
cpufreq-cpu0 platform device which is not present in the device tree.
Most of the information needed by cpufreq is stored in cpu0 DT node.
So cpu_dev must point to cpu0 device.
This patch fixes the wrong assignment to cpu_dev.
Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
regressions and avoid electrical issues on beaglebone black.
Via Benoit Cousson <bcousson@baylibre.com>:
Fix BBB LDO voltage to avoid HDMI destruction
Fix OMAP5 wrong attribute
Fix typo in beagle xM strings
Fix missing pinmux and regulator for OMAP4 wifi
Fix missing pinmux for igep headset
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Merge tag 'omap-for-v3.12/fixes-dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren, OMAP DT fixes for 3.12-rc1:
OMAP device tree changes that are needed to fix regressions and avoid
electrical issues on beaglebone black.
Via Benoit Cousson <bcousson@baylibre.com>:
Fix BBB LDO voltage to avoid HDMI destruction
Fix OMAP5 wrong attribute
Fix typo in beagle xM strings
Fix missing pinmux and regulator for OMAP4 wifi
Fix missing pinmux for igep headset
* tag 'omap-for-v3.12/fixes-dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: igep00x0: Add pinmux configuration for MCBSP2
ARM: dts: Fix muxing and regulator for wl12xx on the SDIO bus for blaze
ARM: dts: Fix muxing and regulator for wl12xx on the SDIO bus for pandaboard
ARM: dts: OMAP5: fix ocp2scp DTS data
ARM: dts: OMAP5: fix reg property size
ARM: dts: am335x-bone*: add DT for BeagleBone Black
ARM: dts: omap3-beagle-xm: fix string error in compatible property
Signed-off-by: Olof Johansson <olof@lixom.net>
a few trivial typo fixes.
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Merge tag 'omap-for-v3.12/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren, fixes for 3.12-rc1:
OMAP fixes for build warnings and cpuidle, and a few trivial typo fixes.
* tag 'omap-for-v3.12/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: mux: fix trivial typo in name
ARM: OMAP4 SMP: Corrected a typo fucntions to functions
ARM: OMAP4: cpuidle: fix: call cpu_cluster_pm_exit conditionally
mailbox: remove unnecessary platform_set_drvdata()
ARM: mach-omap2: gpmc: Fix warning when CONFIG_ARM_LPAE=y
ARM: OMAP: fix return value check in omap_device_build_from_dt()
ARM: OMAP4: Fix clock_get error for GPMC during boot
Signed-off-by: Olof Johansson <olof@lixom.net>
This is just a standard board for the Ux500, include it in the
v7 multiplatform defconfig.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Corrected the functions spelling mistake in the OMAP4 SMP source file.
Signed-off-by: Anoop Thomas Mathew <atm@profoundis.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
When CONFIG_ARM_LPAE=y the following build warning is generated:
arch/arm/mach-omap2/gpmc.c:1495:4: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'resource_size_t' [-Wformat]
According to Documentation/printk-formats.txt '%pa' can be used to properly
print 'resource_size_t'.
Reported-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
In case of error, the function omap_device_alloc() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Looks like we still have the legacy clock alias name for
omap4 GPMC (General Purpose Memory Controller), so let's
fix it for the device tree naming. There's no need to keep
the legacy naming as omap4 is DT only nowadays.
Without this fix we get the following error while booting:
[ 0.440399] omap-gpmc 50000000.gpmc: error: clk_get
Reported-by: Olof Johansson <olof@lixom.net>
Cc: stable@vger.kernel.org # v3.11
Signed-off-by: Tony Lindgren <tony@atomide.com>
Zaurus collie contains 2 LH28F640BFHE-PTTL90 (64M 4Mx16) and
at the moment cfi will not detect the collie NOR.
In the meanwhile we can revert to the jedec-probe map which has been
fixed with following commit:
mtd: jedec_probe: fix LH28F640BF definition
fe2f4c8e0b
Somehow this is unsatisfactory because the flash is mounted READ ONLY
(as from factory, with a RO cramfs)
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Right now the U300 submenus are showcased for everyone even if
we're not on v5 multiplatforms. Hide this in the multiplatform
configuration properly.
Cc: arm@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Add pinmux configuration for MCBSP2 connected to the TDM interface.
With this configuration the Headset modules works as expected.
Signed-off-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
BTRFS is now relying on those since v3.12-rc1.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit 76787b3b (ARM: OMAP2+: Remove board-4430sdp.c)
removed legacy booting in favor of device tree based booting
for 4430sdp. That caused the WLAN to stop working as the
related .dts entries fell through the cracks.
I don't have the "1283 PG 2.21 connectivity device" on my 4430sdp,
but the earlier version of this patch was tested by Luciano
Coelho. This version has left out the input logic for MMC CLK
line compared to the earlier version as that is not bidirectional,
and should be safe to do.
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Luciano Coelho <luca@coelho.fi>
Cc: Ruslan Bilovol <ruslan.bilovol@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
Commit b42b9181 (ARM: OMAP2+: Remove board-omap4panda.c)
removed legacy booting in favor of device tree based booting
for pandaboard. That caused the WLAN to stop working as the
related .dts entries fell through the cracks.
The legacy muxing was setting pulls for GPIO 48 and 49, so let's
keep that behaviour for now to avoid further regressions for
BT and FM. Also input logic was enabled for MMC CLK line, but
I've verified that the input logic we don't need enabled for
CLK line as it's not bidirectional.
Also, we want to use non-removable instead of ti,non-removable
as the ti,non-removable also sets no_regulator_off_init which
is really not what we want as then wl12xx won't get powered
up and down which is needed for resetting it.
Note that looks like the WLAN interface fails to come up after
a warm reset, but that most likely was also happening with
the legacy booting and needs a separate fix.
Cc: Paolo Pisati <p.pisati@gmail.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Luciano Coelho <luca@coelho.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
* A couple of clock driver and device tree fixes
* A bug fix for clk-fixup-mux to get imx6sl back to boot
* A L2 cache setting fix for imx6q
* One pinctrl macro fix for UART2 DTE entries
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Merge tag 'imx-fixes-3.12' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
From Shawn Guo, imx fixes for 3.12:
* A couple of clock driver and device tree fixes
* A bug fix for clk-fixup-mux to get imx6sl back to boot
* A L2 cache setting fix for imx6q
* One pinctrl macro fix for UART2 DTE entries
* tag 'imx-fixes-3.12' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: dts: imx6q: fix the wrong offset of the Pad Mux register
ARM: imx: i.mx6d/q: disable the double linefill feature of PL310
ARM: imx51.dtsi: fix PATA device clock
ARM: mach-imx: clk-imx51-imx53: Fix 'spdif1_pred' clock registration
ARM: imx: initialize clk_init_data.flags for clk-fixup-mux
ARM: imx27.dtsi: fix CSPI PER clock id
Signed-off-by: Olof Johansson <olof@lixom.net>
Without this, legacy platforms that can boot with a multiplatform
kernel but that need the DTB to be appended, won't have a way to pass
firmware-set bootargs to the kernel.
This is needed to boot multi_v7_defconfig on snowball, for instance.
Signed-off-by: Olof Johansson <olof@lixom.net>
This fixes a multiplatform regression on the Ux500.
When compiling the Ux500 platforms in multiplatform configurations
both PL310_ERRATA_588369 and PL310_ERRATA_727915 would crash the
platform when trying to launch the init process.
The Ux500 cannot access the debug registers of the PL310, it will
just crash if you try this. So disable this by setting the debug
callback to NULL when initializing the l2x0 on this platform.
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Fix the DTS data for ocp2scp node by adding the
missing reg property.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
USB3 block has a 64KiB space, another 64KiB is
used for the wrapper.
Without this change, resource_size() will get
confused and driver won't probe because size
will be negative.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
The BeagleBone Black is basically a regular BeagleBone with eMMC and
HDMI added, so create a common dtsi both can use.
IMPORTANT: booting the existing am335x-bone.dts will blow up the HDMI
transceiver after a dozen boots with an uSD card inserted because LDO
will be at 3.3V instead of 1.8.
MMC support for AM335x still isn't in, so only the LDO change has been
added.
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Tested-by: Tom Rini <trini@ti.com>
Tested-by: Matt Porter <matt.porter@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
The beagle and beagle-xm entries were inside the same double quote.
Split them to have two distinct entries.
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
The patch "0b7a76a ARM: dts: imx6q{dl}: add DTE pads for uart"
adds the DTE pads for uart. For PAD_EIM_D29, the offset of the
Pad Mux register should be 0x0c8, not 0x0c4.
This patch fixes it.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The L2 cache controller(PL310) version on the i.MX6D/Q is r3p1-50rel0
The L2 cache controller(PL310) version on the i.MX6DL/SOLO/SL is r3p2
But according to ARM PL310 errata: 752271
ID: 752271: Double linefill feature can cause data corruption
Fault Status: Present in: r3p0, r3p1, r3p1-50rel0. Fixed in r3p2
Workaround: The only workaround to this erratum is to disable the
double linefill feature. This is the default behavior.
without this patch, you will meet the following error when run the
memtester application at: http://pyropus.ca/software/memtester/
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365664.
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365668.
FAILURE: 0x00100000 != 0x00200000 at offset 0x0136566c.
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365670.
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365674.
FAILURE: 0x00100000 != 0x00200000 at offset 0x01365678.
Signed-off-by: Jason Liu <r64343@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Commit 718a350 (ARM: i.MX51: Add PATA support) adds pata support to the
imx51.dtsi file and is using clock 161. The problem is that the right
clock is 172, according to commit 5d530bb (ARM: i.MX5: Add PATA and SRTC
clocks). Using the clock 172 makes things work again (and kills a nasty
system freeze).
Tested-by: Steev Klimaszewski <steev@gentoo.org>
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Since commit beb2d1c1ba (ARM i.MX5: Add S/PDIF clocks), the following clock
error appears on mx51:
TrustZone Interrupt Controller (TZIC) initialized
i.MX51 clk 180: register failed with -17
i.MX5 clk 180: register failed with -17
sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms
CPU identified as i.MX51, silicon rev 3.0
...
Clock 180 corresponds to 'spdif1_podf' and this clock is getting registered
twice.
Fix it, by properly registering the 'spdif1_pred' clock, which should not
reference 'spdif1_podf'.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The clk_init_data.flags of clk-fixup-mux is left there without
initialization. It may hold some random data and cause clock framework
interpret the clock in an unexpected way. At least on imx6sl, the
following division by zero error with sched_clock is seen because of it.
Division by zero in kernel.
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.11.0-rc3+ #19
Backtrace:
[<80011af0>] (dump_backtrace+0x0/0x10c) from [<80011c90>] (show_stack+0x18/0x1c)
r6:3b9aca00 r5:00000020 r4:00000000 r3:00000000
[<80011c78>] (show_stack+0x0/0x1c) from [<8055e02c>] (dump_stack+0x78/0x94)
[<8055dfb4>] (dump_stack+0x0/0x94) from [<80011924>] (__div0+0x18/0x20)
r4:00000000 r3:00000000
[<8001190c>] (__div0+0x0/0x20) from [<8026c408>] (Ldiv0_64+0x8/0x18)
[<8006330c>] (clocks_calc_mult_shift+0x0/0xf8) from [<8072f604>] (setup_sched_clock+0x88/0x1f0)
[<8072f57c>] (setup_sched_clock+0x0/0x1f0) from [<8071ad48>] (mxc_timer_init+0xe8/0x17c)
[<8071ac60>] (mxc_timer_init+0x0/0x17c) from [<807290b0>] (imx6sl_clocks_init+0x1db8/0x1dc0)
r8:807a9ca4 r7:00000000 r6:80777564 r5:8100c1f4 r4:c0820000
[<807272f8>] (imx6sl_clocks_init+0x0/0x1dc0) from [<807420ac>] (of_clk_init+0x40/0x6c)
[<8074206c>] (of_clk_init+0x0/0x6c) from [<807290cc>] (imx6sl_timer_init+0x14/0x18)
r5:807a8e80 r4:ffffffff
[<807290b8>] (imx6sl_timer_init+0x0/0x18) from [<80716e1c>] (time_init+0x24/0x34)
[<80716df8>] (time_init+0x0/0x34) from [<80713738>] (start_kernel+0x1b0/0x310)
[<80713588>] (start_kernel+0x0/0x310) from [<80008074>] (0x80008074)
r7:80770b08 r6:80754cd4 r5:8076c8c4 r4:10c53c7d
sched_clock: 32 bits at 0 Hz, resolution 0ns, wraps every 0ms
Fix the bug by initializing init.flags as zero.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Pull timer code update from Thomas Gleixner:
- armada SoC clocksource overhaul with a trivial merge conflict
- Minor improvements to various SoC clocksource drivers
* 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: armada-370-xp: Add detailed clock requirements in devicetree binding
clocksource: armada-370-xp: Get reference fixed-clock by name
clocksource: armada-370-xp: Replace WARN_ON with BUG_ON
clocksource: armada-370-xp: Fix device-tree binding
clocksource: armada-370-xp: Introduce new compatibles
clocksource: armada-370-xp: Use CLOCKSOURCE_OF_DECLARE
clocksource: armada-370-xp: Simplify TIMER_CTRL register access
clocksource: armada-370-xp: Use BIT()
ARM: timer-sp: Set dynamic irq affinity
ARM: nomadik: add dynamic irq flag to the timer
clocksource: sh_cmt: 32-bit control register support
clocksource: em_sti: Convert to devm_* managed helpers
After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Merge more patches from Andrew Morton:
"The rest of MM. Plus one misc cleanup"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
mm/Kconfig: add MMU dependency for MIGRATION.
kernel: replace strict_strto*() with kstrto*()
mm, thp: count thp_fault_fallback anytime thp fault fails
thp: consolidate code between handle_mm_fault() and do_huge_pmd_anonymous_page()
thp: do_huge_pmd_anonymous_page() cleanup
thp: move maybe_pmd_mkwrite() out of mk_huge_pmd()
mm: cleanup add_to_page_cache_locked()
thp: account anon transparent huge pages into NR_ANON_PAGES
truncate: drop 'oldsize' truncate_pagecache() parameter
mm: make lru_add_drain_all() selective
memcg: document cgroup dirty/writeback memory statistics
memcg: add per cgroup writeback pages accounting
memcg: check for proper lock held in mem_cgroup_update_page_stat
memcg: remove MEMCG_NR_FILE_MAPPED
memcg: reduce function dereference
memcg: avoid overflow caused by PAGE_ALIGN
memcg: rename RESOURCE_MAX to RES_COUNTER_MAX
memcg: correct RESOURCE_MAX to ULLONG_MAX
mm: memcg: do not trap chargers with full callstack on OOM
mm: memcg: rework and document OOM waiting and wakeup
...
Unlike global OOM handling, memory cgroup code will invoke the OOM killer
in any OOM situation because it has no way of telling faults occuring in
kernel context - which could be handled more gracefully - from
user-triggered faults.
Pass a flag that identifies faults originating in user space from the
architecture-specific fault handlers to generic code so that memcg OOM
handling can be improved.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: azurIt <azurit@pobox.sk>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Kernel faults are expected to handle OOM conditions gracefully (gup,
uaccess etc.), so they should never invoke the OOM killer. Reserve this
for faults triggered in user context when it is the only option.
Most architectures already do this, fix up the remaining few.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: azurIt <azurit@pobox.sk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A small batch of fixes that have trickled in over the last week of the
merge window.
Also included are few small devicetree updates for sunxi, since it
enables me to use one of their newer boards (cubieboard2) for additional
test coverage. The support for that SoC is new for 3.12, so there's no
exposure to new regressions due to it.
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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 Olof Johansson:
"A small batch of fixes that have trickled in over the last week of the
merge window.
Also included are few small devicetree updates for sunxi, since it
enables me to use one of their newer boards (cubieboard2) for
additional test coverage. The support for that SoC is new for 3.12,
so there's no exposure to new regressions due to it"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: sun7i: olinuxino-micro: Enable the EMAC
ARM: dts: sun7i: cubieboard2: Enable the EMAC
ARM: dts: sun7i: Add the muxing options for the EMAC
ARM: dts: sun7i: Enable the Ethernet in the A20
i2c: davinci: Fix bad dev_get_platdata() conversion
ARM: vexpress: allow dcscb and tc2_pm in a combined ARMv6+v7 build
ARM: shmobile: lager: Do not use register_type field of struct sh_eth_plat_data
ARM: pxa: ssp: Check return values from phandle lookups
ARM: PCI: versatile: Fix SMAP register offsets
ARM: PCI: versatile: Fix PCI I/O
ARM: PCI: versatile: Fix map_irq function to match hardware
ARM: ep93xx: Don't use modem interface on the second UART
ARM: shmobile: r8a7779: Update early timer initialisation order
Pull ARM fixes from Russell King:
"Just two fixes here - one for the recent addition of Neon stuff which
causes problems when this is built as a module. The other was one
spotted by Olof with the fixed-HZ stuff.
Last patch (which is at the very top) is not a fix per-se, but an
almost-end-of-merge window sorting of the select symbols in
arch/arm/Kconfig to keep them as akpm would like to reduce unnecessary
conflicts. I've also taken the liberty this time to add a comment at
the end to discourage the endless "add the next select to the bottom
of a nicely sorted list" syndrome"
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: sort arch/arm/Kconfig
ARM: fix forced-HZ values
ARM: 7835/2: fix modular build of xor_blocks() with NEON enabled
Keep arch/arm/Kconfig select statements sorted alphabetically. I've
added a comment at the bottom of the main bank for CONFIG_ARM to this
effect so hopefully this will keep things more in order.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The A20-olinuxino-micro has the EMAC wired in. Enable it in the DT so
that we can use it.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
The Cubieboard2, just like its A10 counterpart, has the Ethernet wired
in. Enable it in the DT.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
The A20 has several muxing options for the EMAC. Yet, the currently
supported boards only use one set of them. Add that pin set to the DTSI.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
The Allwinner A20 SoC also have the EMAC found on the A10 and A10s.
Enable the support for it in the DTSI.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
