| Commit message (Collapse) | Author | Age |
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes
From Linus Walleij <linus.walleij@linaro.org>:
Here are two audio fixes for the ux500 found by Lee Jones.
* tag 'ux500-fixes-v3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: Ensure probing of Audio devices when Device Tree is enabled
ARM: ux500: Fix merge error, no matching driver name for 'snd_soc_u8500'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Previous attempts to add platform probing of the Audio related devices
only call from non-DT initialisation functions. This patch extends that
functionality to the Device Tree related ones too.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The platform attempts to register platform device 'snd_soc_u8500'
which doesn't actually exist. Here we change the reference to the
correct one 'snd_soc_mop500'.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
From Kukjin Kim <kgene.kim@samsung.com>:
For HDMI, already HDMI support for EXYNOS in mainline kernel is broken
because its configuration moved to platform data but regarding platform
data didn't support yet. And others are for fix warnings.
* 'v3.6-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Set HDMI platform data in Origen board
ARM: EXYNOS: Set HDMI platform data in SMDKV310
ARM: SAMSUNG: Add API to set platform data for s5p-tv driver
ARM: SAMSUNG: Set HDMI platform data for Exynos4x12 SoCs
ARM: Samsung: Make uart_save static in pm.c file
ARM: S3C24XX: Fix s3c2410_dma_enqueue parameters
ARM: S3C24XX: Add missing DMACH_DT_PROP
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Sets HDMI platform data in SMDKV310 board.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Commit 350f2f4dad64 ("[media] v4l: s5p-tv: hdmi: add support for
platform data") makes the presence of platform data mandatory for
s5p-tv driver. Adding an API to plat-samsung for this purpose.
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Adds support for setting HDMI platform data for Exynos4X12 SoCs.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Fixes the following sparse warning:
arch/arm/plat-samsung/pm.c:77:21:
warning: symbol 'uart_save' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Commit d670ac019f60 (ARM: SAMSUNG: DMA Cleanup as per sparse) changed the
prototype of the s3c2410_dma_* functions to use the enum dma_ch instead
of an generic unsigned int.
In the s3c24xx dma.c s3c2410_dma_enqueue seems to have been forgotten,
the other functions there were changed correctly.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Commit 2b90807549 (spi: s3c64xx: add device tree support) requires
the DMACH_DT_PROP element in the dma_ch enum. It's not used on non-DT
platforms but has to be present nevertheless.
So mimic the dummy-add of DMACH_DT_PROP on s3c64xx for s3c24xx
machines, to correct the build breakage for the s3c24xx variants
using the s3c64xx-spi-driver.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
* 'imx/fixes-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: dts: imx51-babbage: fix esdhc cd/wp properties
ARM: imx6: spin the cpu until hardware takes it down
ARM i.MX6q: Add virtual 1/3.5 dividers in the LDB clock path
Also updates to Linux 3.6-rc2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The binding doc and dts use properties "fsl,{cd,wp}-internal" while
esdhc driver uses "fsl,{cd,wp}-controller". Fix binding doc and dts
to get them match driver code.
Reported-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: <stable@vger.kernel.org>
Acked-by: Chris Ball <cjb@laptop.org>
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Though commit 602bf40 (ARM: imx6: exit coherency when shutting down
a cpu) improves the stability of imx6q cpu hotplug a lot, there are
still hangs seen with a more stressful hotplug testing.
It's expected that once imx_enable_cpu(cpu, false) is called, the cpu
will be taken down by hardware immediately, and the code after that
will not get any chance to execute. However, this is not always the
case from the testing. The cpu could possibly be alive for a few
cycles before hardware actually takes it down. So rather than letting
cpu execute some code that could cause a hang in these cycles, let's
make the cpu spin there and wait for hardware to take it down.
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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The ldb_di[01]_podf is implemented as a clk-divider that
divides by 1 or 2. In reality, the ldb_di[01]_ipu_div
dividers divide by either 3.5 or 7. Adding a fixed factor
of 1/3.5 fixes their children's clock rates.
This should probably be converted to rate table based dividers,
once available.
Cc: <stable@vger.kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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* 'fixes' of git://github.com/hzhuang1/linux:
ARM: mmp: fix potential NULL dereference
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Fix the wrong logic: we should use || instead of &&
Cc: Leo Yan <leoy@marvell.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Yuanhan Liu <yliu.null@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
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into fixes
From Jason Cooper <jason@lakedaemon.net>:
Small fixes for the orion platforms including kirkwood.
* 'fixes-for-v3.6' of git://git.infradead.org/users/jcooper/linux:
ARM: Kirkwood: fix Makefile.boot
ARM: Kirkwood: Fix iconnect leds
ARM: Orion: Set eth packet size csum offload limit
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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While building the dtbs target, one is getting:
make dtbs
make[1]: *** No rule to make target `arch/arm/boot/kirkwood-qnap-ts219.dtb', needed by `arch/arm/boot/dtbs'. Stop.
make: *** [dtbs] Error 2
The reason is that there's no kirkwood-qnap-ts219.dts file. Update Makefile.boot
to reflect the dts files present.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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While converting, a led has been missed leading to wrong power blue led
definition. Add it back and fix the gpio used on the power blue led.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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The mv643xx ethernet controller limits the packet size for the TX
checksum offloading. This patch sets this limits for Kirkwood and
Dove which have smaller limits that the default.
As a side note, this patch is an updated version of a patch sent some years
ago: http://lists.infradead.org/pipermail/linux-arm-kernel/2010-June/017320.html
which seems to have been lost.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Cc: <stable@vger.kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Omap fixes for issues noted during the merge window, mostly
PM related.
* tag 'omap-fixes-for-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: dmtimers: Fix locking issue in omap_dm_timer_request*()
ARM: OMAP4: Register the OPP table only for 4430 device
cpufreq: OMAP: Handle missing frequency table on SMP systems
ARM: OMAP4: sleep: Save the complete used register stack frame
ARM: OMAP2+: cpu: Add am33xx device under cpu_class_is_omap2
omap: Fix multi.h when only ARCH_OMAP3 and SOC_AM33XX are selected
ARM: OMAP2+: Fix dmtimer set source clock failure
Revert "ARM: OMAP3: PM: call pre/post transition per powerdomain"
ARM: OMAP3: TWL4030: ensure sys_nirq1 is mux'd and wakeup enabled
omap2: mux: remove comment for nonexistent member
OMAP: remove unused parameter arch_id from uncompress.h
arm/dts: Mark vcxio, v2v1 and v1v8 regulators as always on
OMAP2+: Fix random config build break with !ARM_CPU_SUSPEND
arm/dts: Fix am33xx wdt node
ARM: OMAP3: igep0020: set GPIO mode for mux mcspi1_cs2 pin
Revert "ARM: OMAP3530evm: set pendown_state and debounce time for ads7846"
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Calling omap_dm_timer_prepare while the spinlock is held is not
allowed as sleeping functions are called later on during the
preparation (namely within clk_get()).
dm_timer_lock is only required for protecting the
omap_timer_list. After the timer is marked as reserved, the lock is no
longer needed and should be freed.
Signed-off-by: Timo Kokkonen <timo.t.kokkonen@iki.fi>
Cc: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes
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The 4430 OPP table was being registered for all other OMAP4 variants
too, like 4460 and 4470 causing issues with cpufreq driver
enabled. 4460 and 4470 devices have different OPPs as compared to
4430, and they should be populated seperately. As long as that
happens, let the OPP table registeration happen only on 4430 device.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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OMAP4 sleep entry code even though itself don't use many CPU registers
makes call to the v7_flush_dcache_all() which uses them. Since
v7_flush_dcache_all() doesn't make use of stack, the caller must take
care of the stack frame. Otherwise it will lead to corrupted stack frame.
Fix it by saving used registers.
Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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This reverts commit 58f0829b7186150318c79515f0e0850c5e7a9c89.
Converstion to per-pwrdm per/post transition calls was a bit
premature. Only tracking MPU, PER & CORE in the idle path means we
lose the accounting for all the other powerdomains which may also
transition in idle. On OMAP3, due to autodeps, several powerdomains
transition along with MPU (e.g. DSS, USBHOST), and the accounting for
these was lost with this patch. Since the accounting includes the
context loss counters, drivers for devices in those power domains
would never notice context lost, so would likely hang after any
off-mode transitions.
This patch should be revisited when the upcoming clkdm/pwrmdm/voltdm
use-counting seires is merged since then we can properly do accounting
without relying on a call in the idle path.
In addition, the original patch had another bug because the PER
powerdomain accounting was not updated until after the GPIO resume
hook is called. Since gpio_resume_after_idle() checks the context
loss count (which is not yet updated) it would not properly restore
context, leaving the GPIO banks in an undefined state.
Cc: Jean Pihet <jean.pihet@newoldbits.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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The SYS_NIRQ1 pin is the interupt line for the PMIC part of the TWL6030
and interrupts from the PMIC are needed as wakeup sources.
Ensure this pin is mux'd as input and has wakeup enabled so PMIC
interupts (e.g. RTC) can be used as wakeup sources.
Tested on 3430/n900, OMAP3530/Overo Fire, 3730/Overo FireSTORM,
3730/Beagle-xM.
Signed-off-by: Kevin Hilman <khilman@ti.com>
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AM33XX device falls under omap2 class, so make cpu_class_is_omap2()
macro true by adding soc_is_am33xx() to existing list of cpu/soc
check.
This is required to unblock the basic boot support on AM335x platform.
Having done that, we still need to sort out properly from
common zImage point of view without having to maintain this
cpu/soc_is_xxx list.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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When only ARCH_OMAP3 (or -2,-4,...) and SOC_AM33XX are selected, multi.h
doesn't set MULTI_OMAP2. In this case, cpu.h will simply define
cpu_is_omap24xx() as 1.
This causes problems for example for omap_hwmod.c:omap_hwmod_init which
checks for cpu_is_omap24xx() first, using the wrong soc_ops for AM33xx.
Fix this by defining MULTI_OMAP2 when using SOC_AM33XX together with
something else.
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Calling the dmtimer function omap_dm_timer_set_source() fails if following a
call to pm_runtime_put() to disable the timer. For example the following
sequence would fail to set the parent clock ...
omap_dm_timer_stop(gptimer);
omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_32_KHZ);
The following error message would be seen ...
omap_dm_timer_set_source: failed to set timer_32k_ck as parent
The problem is that, by design, pm_runtime_put() simply decrements the usage
count and returns before the timer has actually been disabled. Therefore,
setting the parent clock failed because the timer was still active when the
trying to set the parent clock. Setting a parent clock will fail if the clock
you are setting the parent of has a non-zero usage count. To ensure that this
does not fail use pm_runtime_put_sync() when disabling the timer.
Note that this will not be seen on OMAP1 devices, because these devices do
not use the clock framework for dmtimers.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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remove comment for nonexistent member
Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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There is not point in having arch_id as parameter of __arch_decomp_setup(),
nothing in it uses arch_id. The machine id is already exported (and used)
with symbol __machine_arch_type as per mach-types.h.
Removing the pointless macro as well.
Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes
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1) The above commit introduced a common ->get_pendown_state() function
into the generic code, but that function was board-specific for the
OMAP3EVM and thus broke most other boards using this code.
2) The above commit was mis-merged introducing another bug which
prevents the ads7846 driver probe function to succeed.
The omap_ads7846_init() function frees the pendown GPIO in case there is
no ->get_pendown_state() function set by the caller (board specific
code), so it can be requested later by the ads7846 driver.
The above commit add a common ->get_pendown_state() function without
removing the gpio_free() call and thus once the ads7846 driver tries
to use the pendown GPIO, it crashes as the pendown GPIO has not been
requested.
3) The above commit introduces NO new functionality as
get_pendown_state() function is already implemented in a suitable way by
the ads7846 driver and the debounce time handling has already been
fixed by commit 97ee9f01 (ARM: OMAP: fix the ads7846 init code).
This reverts commit 16aced80f6739beb2a6ff7b6f96c83ba80d331e8.
Conflicts:
arch/arm/mach-omap2/common-board-devices.c
Solved by taking the working version prior to the above commit.
Cc: Zumeng Chen <zumeng.chen@windriver.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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vcxio, v2v1 and v1v8 are expected to be always on, update the dtsi
for twl6030 to reflect this.
commit '86f5fc' regulator: core: Mark all DT based boards as having
full constraints) caused these to be disabled at late boot causing
OMAP4 boards (using twl6030) to lockup.
Reported-by: Kishon Vijay Abraham I <kishon@ti.com>
Reported-by: J Keerthy <j-keerthy@ti.com>
Signed-off-by: Rajendra nayak <rnayak@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The random config builds with PM and !ARM_CPU_SUSPEND breaks with below
error on omap2plus_defconfig.
arch/arm/mach-omap2/sleep44xx.S:323: undefined reference to `cpu_resume'
arch/arm/mach-omap2/omap-mpuss-lowpower.c:278: undefined reference to `cpu_suspend'
This is because recently merged OMAP5 platform shares the common files
with OMAP4 but doesn't select ARM_CPU_SUSPEND. Without the ARM_CPU_SUSPEND
the sleep code is meaningless.
Fix the same by adding ARM_CPU_SUSPEND for OMAP5. The suggestion came from
Russell King in an off-list discussion.
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Kevin Hilman <khilman@ti.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add am33xx wdt node.
Signed-off-by: Afzal Mohammed <afzal@ti.com>
[tony@atomide.com: I messed up and produced an empty commit db27ac80 with stg apply]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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According to the IGEPv2 Rev.C data-sheet the LAN9221i pin 14 (IRQ) is
connected to the OMAP3730 mcspi1_cs2 pin. Since this omap mux pin acts
as an IRQ line, it has to be configured as an input GPIO.
IGEPv2 platform code sets the smsc911x_cfg->gpio_irq to GPIO 176 but
since the mux pin default mode is MODE7 (safe_mode) the driver fails
when trying to register the IRQ with the following error message:
[ 1.994598] smsc911x: Driver version 2008-10-21
[ 3.704162] irq 272: nobody cared (try booting with the "irqpoll" option)
[ 3.711364] [<c001a114>] (unwind_backtrace+0x0/0xf0) from [<c009a0d4>] (__report_bad_irq+0x20/0xbc)
[ 3.720916] [<c009a0d4>] (__report_bad_irq+0x20/0xbc) from [<c009a41c>] (note_interrupt+0x1d8/0x238)
[ 3.730560] [<c009a41c>] (note_interrupt+0x1d8/0x238) from [<c0098234>] (handle_irq_event_percpu+0xc0/0x260)
[ 3.740936] [<c0098234>] (handle_irq_event_percpu+0xc0/0x260) from [<c0098410>] (handle_irq_event+0x3c/0x5c)
[ 3.751312] [<c0098410>] (handle_irq_event+0x3c/0x5c) from [<c009abe0>] (handle_level_irq+0xac/0x10c)
[ 3.761047] [<c009abe0>] (handle_level_irq+0xac/0x10c) from [<c0097a34>] (generic_handle_irq+0x30/0x48)
[ 3.770935] [<c0097a34>] (generic_handle_irq+0x30/0x48) from [<c02a6b74>] (gpio_irq_handler+0x180/0x1d4)
[ 3.780944] [<c02a6b74>] (gpio_irq_handler+0x180/0x1d4) from [<c0097a34>] (generic_handle_irq+0x30/0x48)
[ 3.790954] [<c0097a34>] (generic_handle_irq+0x30/0x48) from [<c0013e18>] (handle_IRQ+0x4c/0xac)
[ 3.800231] [<c0013e18>] (handle_IRQ+0x4c/0xac) from [<c000858c>] (omap3_intc_handle_irq+0x60/0x74)
[ 3.809783] [<c000858c>] (omap3_intc_handle_irq+0x60/0x74) from [<c04979e4>] (__irq_svc+0x44/0x60)
[ 3.819213] Exception stack(0xee42fde0 to 0xee42fe28)
[ 3.824554] fde0: 00000001 00000001 00000000 00000000 60000013 c06cce14 c06cce14 00000110
[ 3.833190] fe00: 00000000 c06ccdf4 60000013 ee41d000 fb058064 ee42fe28 c0089e08 c04976b4
[ 3.841796] fe20: 20000013 ffffffff
[ 3.845489] [<c04979e4>] (__irq_svc+0x44/0x60) from [<c04976b4>] (_raw_spin_unlock_irqrestore+0x34/0x44)
[ 3.855499] [<c04976b4>] (_raw_spin_unlock_irqrestore+0x34/0x44) from [<c0099744>] (__setup_irq+0x1b8/0x3f0)
[ 3.865875] [<c0099744>] (__setup_irq+0x1b8/0x3f0) from [<c0099a34>] (request_threaded_irq+0xb8/0x140)
[ 3.875701] [<c0099a34>] (request_threaded_irq+0xb8/0x140) from [<c0487950>] (smsc911x_drv_probe+0x75c/0x11a4)
[ 3.886260] [<c0487950>] (smsc911x_drv_probe+0x75c/0x11a4) from [<c02e9bcc>] (platform_drv_probe+0x18/0x1c)
[ 3.906707] [<c02e89b8>] (driver_probe_device+0x90/0x210) from [<c02e8bcc>] (__driver_attach+0x94/0x98)
[ 3.916625] [<c02e8bcc>] (__driver_attach+0x94/0x98) from [<c02e7298>] (bus_for_each_dev+0x50/0x7c)
[ 3.926177] [<c02e7298>] (bus_for_each_dev+0x50/0x7c) from [<c02e81d4>] (bus_add_driver+0x184/0x248)
[ 3.935821] [<c02e81d4>] (bus_add_driver+0x184/0x248) from [<c02e909c>] (driver_register+0x78/0x12c)
[ 3.945465] [<c02e909c>] (driver_register+0x78/0x12c) from [<c0008648>] (do_one_initcall+0x34/0x178)
[ 3.955108] [<c0008648>] (do_one_initcall+0x34/0x178) from [<c066e8f4>] (kernel_init+0xfc/0x1c0)
[ 3.964385] [<c066e8f4>] (kernel_init+0xfc/0x1c0) from [<c00140b0>] (kernel_thread_exit+0x0/0x8)
[ 3.973632] handlers:
[ 3.976043] [<c034e2cc>] smsc911x_irqhandler
[ 3.980560] Disabling IRQ #272
Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org>
Acked-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Tested-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Patch b6d1c33a31 "ARM: Orion: Consolidate the address map setup" tried
to merge the address map for the four orion platforms, but apparently
got it wrong for mv78xx0. Admittedly I don't understand what this
code actually does, but it's clear that the current version is
wrong.
Without this patch, building mv78xx0_defconfig results in:
arch/arm/mach-mv78xx0/addr-map.c:59:2: warning: initialization from incompatible pointer type [enabled by default]
arch/arm/mach-mv78xx0/addr-map.c:59:2: warning: (near initialization for 'addr_map_cfg.win_cfg_base') [enabled by default]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Cc: Michael Walle <michael@walle.cc>
Cc: Nicolas Pitre <nico@linaro.org>
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Pull ARM fixes from Russell King:
"The largest thing in this set of changes is bringing back some of the
ARMv3 code to fix a compile problem noticed on RiscPC, which we still
support, even though we only support ARMv4 there.
(The reason is that the system bus doesn't support ARMv4 half-word
accesses, so we need the ARMv3 library code for this platform.)
The rest are all quite minor fixes."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7490/1: Drop duplicate select for GENERIC_IRQ_PROBE
ARM: Bring back ARMv3 IO and user access code
ARM: 7489/1: errata: fix workaround for erratum #720789 on UP systems
ARM: 7488/1: mm: use 5 bits for swapfile type encoding
ARM: 7487/1: mm: avoid setting nG bit for user mappings that aren't present
ARM: 7486/1: sched_clock: update epoch_cyc on resume
ARM: 7484/1: Don't enable GENERIC_LOCKBREAK with ticket spinlocks
ARM: 7483/1: vfp: only advertise VFPv4 in hwcaps if CONFIG_VFPv3 is enabled
ARM: 7482/1: topology: fix section mismatch warning for init_cpu_topology
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Seems that Thomas' and my patches collided during the last merge
window.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This partially reverts 357c9c1f07d4546bc3fbc0fd1044d96b114d14ed
(ARM: Remove support for ARMv3 ARM610 and ARM710 CPUs).
Although we only support StrongARM on the RiscPC, we need to keep the
ARMv3 user access code for this platform because the bus does not
understand half-word load/stores.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Commit 5a783cbc4836 ("ARM: 7478/1: errata: extend workaround for erratum
#720789") added workarounds for erratum #720789 to the range TLB
invalidation functions with the observation that the erratum only
affects SMP platforms. However, when running an SMP_ON_UP kernel on a
uniprocessor platform we must take care to preserve the ASID as the
workaround is not required.
This patch ensures that we don't set the ASID to 0 when flushing the TLB
on such a system, preserving the original behaviour with the workaround
disabled.
Cc: <stable@vger.kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Page migration encodes the pfn in the offset field of a swp_entry_t.
For LPAE, we support physical addresses of up to 36 bits (due to
sparsemem limitations with the size of page flags), requiring 24 bits
to represent a pfn. A further 3 bits are used to encode a swp_entry into
a pte, leaving 5 bits for the type field. Furthermore, the core code
defines MAX_SWAPFILES_SHIFT as 5, so the additional type bit does not
get used.
This patch reduces the width of the type field to 5 bits, allowing us
to create up to 31 swapfiles of 64GB each.
Cc: <stable@vger.kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Swap entries are encoding in ptes such that !pte_present(pte) and
pte_file(pte). The remaining bits of the descriptor are used to identify
the swapfile and offset within it to the swap entry.
When writing such a pte for a user virtual address, set_pte_at
unconditionally sets the nG bit, which (in the case of LPAE) will
corrupt the swapfile offset and lead to a BUG:
[ 140.494067] swap_free: Unused swap offset entry 000763b4
[ 140.509989] BUG: Bad page map in process rs:main Q:Reg pte:0ec76800 pmd:8f92e003
This patch fixes the problem by only setting the nG bit for user
mappings that are actually present.
Cc: <stable@vger.kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Many clocks that are used to provide sched_clock will reset during
suspend. If read_sched_clock returns 0 after suspend, sched_clock will
appear to jump forward. This patch resets cd.epoch_cyc to the current
value of read_sched_clock during resume, which causes sched_clock() just
after suspend to return the same value as sched_clock() just before
suspend.
In addition, during the window where epoch_ns has been updated before
suspend, but epoch_cyc has not been updated after suspend, it is unknown
whether the clock has reset or not, and sched_clock() could return a
bogus value. Add a suspended flag, and return the pre-suspend epoch_ns
value during this period.
The new behavior is triggered by calling setup_sched_clock_needs_suspend
instead of setup_sched_clock.
Signed-off-by: Colin Cross <ccross@android.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Now that ARM has implemented its spinlocks with tickets we don't
need to use the generic lockbreak algorithm. Remove the Kconfig
from ARM so that we use the arch_spin_is_contended() definition
from the asm header. This also saves a word in each lock because
we don't need the break_lock member anymore.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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VFPv4 support depends on the VFPv3 context save/restore code, so only
advertise support in the hwcaps if the kernel can actually handle it.
Cc: <stable@vger.kernel.org> # 3.1+
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Get rid of this warning..
arch/arm/kernel/built-in.o(.text+0xac78): Section mismatch in reference
from the function init_cpu_topology() to the function
.init.text:parse_dt_topology()
The function init_cpu_topology() references
the function __init parse_dt_topology().
This is often because init_cpu_topology lacks a __init
annotation or the annotation of parse_dt_topology is wrong.
Signed-off-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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