This function does not exist, remove the extern function declaration.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Set the supply_name in the regulator descriptor unconditionally
and make this parameter as required parameter in the device
node for successfully registration of the regulator.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
The logic of calculating selector in palmas_map_voltage_smps() does not match
the logic to list voltage in palmas_list_voltage_smps().
We use below equation to calculate voltage when selector > 0:
voltage = (0.49V + (selector * 0.01V)) * RANGE
RANGE is either x1 or x2
So we need to take into account with the multiplier set in VSEL register when
calculating selector in palmas_map_voltage_smps()
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Pass regulator id rahter than the index to lp872x_find_regulator_init_data(),
then the code can be simpler.
We can also get max_regulators by lp->num_regulators.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Tested-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
According to the datasheet, the voltage for twl6030ldo_ops is not linear for
all cases. Linear mapping is only for the selection code from
00000001 to 00011000.
Table 9. LDO Output Voltage Selection Code
CODE VOUT(V) COD VOUT(V) CODE VOUT(V) CODE VOUT(V)
00000000 0 00001000 1.7 00010000 2.5 00011000 3.3
00000001 1.0 00001001 1.8 00010001 2.6 00011001 Reserved
00000010 1.1 00001010 1.9 00010010 2.7 00011010 Reserved
00000011 1.2 00001011 2.0 00010011 2.8 00011011 Reserved
00000100 1.3 00001100 2.1 00010100 2.9 00011100 Reserved
00000101 1.4 00001101 2.2 00010101 3.0 00011101 Reserved
00000110 1.5 00001110 2.3 00010110 3.1 00011110 Reserved
00000111 1.6 00001111 2.4 00010111 3.2 00011111 2.75
This patch implements the list_voltage callback based on above table.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
In twl6030ldo_set_voltage, current code use below formula to calculate vsel:
vsel = (min_uV/1000 - 1000)/100 + 1;
This is worng because when min_uV is 1000000 uV, vsel is 1.
It should be 0 in this case.
Fix it by change the equation to: (This equation is common for linear mapping)
vsel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
In twl6030ldo_get_voltage, current code use below formula to calculate voltage:
mV = 1000mv + 100mv * (vsel - 1)
This is worng because when vsel is 0, mV is 900mV. Note the min_uV is 1000mV.
Fix it by change the equation to: (This equation is common for linear mapping)
return rdev->desc->min_uV + vsel * rdev->desc->uV_step;
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Convert to devm_gpio_request to save a few error handling code.
This patch properly handle the gpio_request failure, we should return error
when gpio_request fails rather than just show warning.
I think one of the reason we got -EBUSY is because current code does not free
gpios in s5m8767_pmic_remove(). So it got -EBUSY when reload the module.
Yest another reason is in current code if gpio_request() returns error,
the rest of the code still calls gpio_direction_output to config buck_gpios
and buck_ds gpios. This looks wrong to me.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Convert to devm_gpio_request to save a few error handling code.
This patch properly handle the gpio_request failure with -EBUSY, we should
return error rather than ommit the gpio_request failure with -EBUSY.
I think one of the reason we got -EBUSY is because current code does not free
gpios in max8997_pmic_remove(). So it got -EBUSY when reload the module.
Yest another reason is in current code if gpio_request() returns -EBUSY,
the rest of the code still calls gpio_direction_output to config buck125_gpios
and set gpio value in max8997_set_gpio(). This looks wrong to me.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Use devm_ version of gpio APIs gpio_request_one() for
requesting gpios.
This avoid extra code for freeing gpios.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
The idr_pre_get() function never returns a value < 0. It returns 0 (no
memory) or 1 (OK).
Reported-by: Silva Paulo <psdasilva@yahoo.com>
[ Rewrote Silva's patch, but attributing it to Silva anyway - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Containing the regression fixes for USB-audio due to the transition to
the new streaming logic, mostly found on Logitech webcams.
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Merge tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Containing the regression fixes for USB-audio due to the transition to
the new streaming logic, mostly found on Logitech webcams."
* tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: snd-usb: move calls to usb_set_interface
ALSA: usb-audio: Fix the first PCM interface assignment
Pull ACPI patch from Len Brown.
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
ACPICA: Fix possible fault in return package object repair code
vsyscall_seccomp introduced a dependency on __secure_computing. On
configurations with CONFIG_SECCOMP disabled, compilation will fail.
Reported-by: feng xiangjun <fengxj325@gmail.com>
Signed-off-by: Will Drewry <wad@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This fixes a regression preventing the ACPI cpufreq driver from loading on some
systems where it worked previously without any problems.
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Merge tag 'cpufreq-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull cpufreq fix from Rafael Wysocki:
"This fixes a regression preventing the ACPI cpufreq driver from
loading on some systems where it worked previously without any
problems."
* tag 'cpufreq-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq / ACPI: Fix not loading acpi-cpufreq driver regression
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM Samsung SoC fixes from Arnd Bergmann.
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: S3C24XX: Correct CAMIF interrupt definitions
ARM: S3C24XX: Correct AC97 clock control bit for S3C2440
ARM: SAMSUNG: fix race in s3c_adc_start for ADC
ARM: SAMSUNG: Update default rate for xusbxti clock
ARM: EXYNOS: register devices in 'need_restore' state for pm_domains
ARM: EXYNOS: read initial state of power domain from hw registers
Pull RCU, perf, and scheduler fixes from Ingo Molnar.
The RCU fix is a revert for an optimization that could cause deadlocks.
One of the scheduler commits (164c33c6ad "sched: Fix fork() error path
to not crash") is correct but not complete (some architectures like Tile
are not covered yet) - the resulting additional fixes are still WIP and
Ingo did not want to delay these pending fixes. See this thread on
lkml:
[PATCH] fork: fix error handling in dup_task()
The perf fixes are just trivial oneliners.
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "rcu: Move PREEMPT_RCU preemption to switch_to() invocation"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf kvm: Fix segfault with report and mixed guestmount use
perf kvm: Fix regression with guest machine creation
perf script: Fix format regression due to libtraceevent merge
ring-buffer: Fix accounting of entries when removing pages
ring-buffer: Fix crash due to uninitialized new_pages list head
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS/sched: Update scheduler file pattern
sched/nohz: Rewrite and fix load-avg computation -- again
sched: Fix fork() error path to not crash
Fixes a problem that can occur when a lone package object is
wrapped with an outer package object in order to conform to
the ACPI specification. Can affect these predefined names:
_ALR,_MLS,_PSS,_TRT,_TSS,_PRT,_HPX,_DLM,_CSD,_PSD,_TSD
https://bugzilla.kernel.org/show_bug.cgi?id=44171
This problem was introduced in 3.4-rc1 by commit
6a99b1c94d
(ACPICA: Object repair code: Support to add Package wrappers)
Reported-by: Vlastimil Babka <caster@gentoo.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Cc: <stable@vger.kernel.org> # 3.4
Signed-off-by: Len Brown <len.brown@intel.com>
From Kukjin Kim <kgene.kim@samsung.com>:
* 'v3.5-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: S3C24XX: Correct CAMIF interrupt definitions
ARM: S3C24XX: Correct AC97 clock control bit for S3C2440
ARM: SAMSUNG: fix race in s3c_adc_start for ADC
ARM: SAMSUNG: Update default rate for xusbxti clock
ARM: EXYNOS: register devices in 'need_restore' state for pm_domains
ARM: EXYNOS: read initial state of power domain from hw registers
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Pull the leap second fixes from Thomas Gleixner:
"It's a rather large series, but well discussed, refined and reviewed.
It got a massive testing by John, Prarit and tip.
In theory we could split it into two parts. The first two patches
f55a6faa38: hrtimer: Provide clock_was_set_delayed()
4873fa070a: timekeeping: Fix leapsecond triggered load spike issue
are merely preventing the stuff loops forever issues, which people
have observed.
But there is no point in delaying the other 4 commits which achieve
full correctness into 3.6 as they are tagged for stable anyway. And I
rather prefer to have the full fixes merged in bulk than a "prevent
the observable wreckage and deal with the hidden fallout later"
approach."
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hrtimer: Update hrtimer base offsets each hrtimer_interrupt
timekeeping: Provide hrtimer update function
hrtimers: Move lock held region in hrtimer_interrupt()
timekeeping: Maintain ktime_t based offsets for hrtimers
timekeeping: Fix leapsecond triggered load spike issue
hrtimer: Provide clock_was_set_delayed()
If a seccomp filter program is installed, older static binaries and
distributions with older libc implementations (glibc 2.13 and earlier)
that rely on vsyscall use will be terminated regardless of the filter
program policy when executing time, gettimeofday, or getcpu. This is
only the case when vsyscall emulation is in use (vsyscall=emulate is the
default).
This patch emulates system call entry inside a vsyscall=emulate by
populating regs->ax and regs->orig_ax with the system call number prior
to calling into seccomp such that all seccomp-dependencies function
normally. Additionally, system call return behavior is emulated in line
with other vsyscall entrypoints for the trace/trap cases.
[ v2: fixed ip and sp on SECCOMP_RET_TRAP/TRACE (thanks to luto@mit.edu) ]
Reported-and-tested-by: Owen Kibel <qmewlo@gmail.com>
Signed-off-by: Will Drewry <wad@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Please pull one hwmon subsystem fix from Jean Delvare.
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (it87) Preserve configuration register bits on init
This can be trivially triggered from userspace by passing in something unexpected.
kernel BUG at fs/locks.c:1468!
invalid opcode: 0000 [#1] SMP
RIP: 0010:generic_setlease+0xc2/0x100
Call Trace:
__vfs_setlease+0x35/0x40
fcntl_setlease+0x76/0x150
sys_fcntl+0x1c6/0x810
system_call_fastpath+0x1a/0x1f
Signed-off-by: Dave Jones <davej@redhat.com>
Cc: stable@kernel.org # 3.2+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull input layer fixes from Dmitry Torokhov:
"The changes are limited to adding new VID/PID combinations to drivers
to enable support for new versions of hardware, most notably hardware
found in new MacBook Pro Retina boxes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - add Andamiro Pump It Up pad
Input: xpad - add signature for Razer Onza Tournament Edition
Input: xpad - handle all variations of Mad Catz Beat Pad
Input: bcm5974 - Add support for 2012 MacBook Pro Retina
HID: add support for 2012 MacBook Pro Retina
Pull media fixes from Mauro Carvalho Chehab:
- Some regression fixes at the audio part for devices with
cx23885/cx25840
- A DMA corruption fix at cx231xx
- two fixes at the winbond IR driver
- Several fixes for the EXYNOS media driver (s5p)
- two fixes at the OMAP3 preview driver
- one fix at the dvb core failure path
- an include missing (slab.h) at smiapp-core causing compilation
breakage
- em28xx was not loading the IR driver driver anymore.
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (31 commits)
[media] Revert "[media] V4L: JPEG class documentation corrections"
[media] s5p-fimc: Add missing FIMC-LITE file operations locking
[media] omap3isp: preview: Fix contrast and brightness handling
[media] omap3isp: preview: Fix output size computation depending on input format
[media] winbond-cir: Initialise timeout, driver_type and allowed_protos
[media] winbond-cir: Fix txandrx module info
[media] cx23885: Silence unknown command warnings
[media] cx23885: add support for HVR-1255 analog (cx23888 variant)
[media] cx23885: make analog support work for HVR_1250 (cx23885 variant)
[media] cx25840: fix vsrc/hsrc usage on cx23888 designs
[media] cx25840: fix regression in HVR-1800 analog audio
[media] cx25840: fix regression in analog support hue/saturation controls
[media] cx25840: fix regression in HVR-1800 analog support
[media] s5p-mfc: Fixed setup of custom controls in decoder and encoder
[media] cx231xx: don't DMA to random addresses
[media] em28xx: fix em28xx-rc load
[media] dvb-core: Release semaphore on error path dvb_register_device()
[media] s5p-fimc: Stop media entity pipeline if fimc_pipeline_validate fails
[media] s5p-fimc: Fix compiler warning in fimc-lite.c
[media] s5p-fimc: media_entity_pipeline_start() may fail
...
- Revert a patch that made failing to select power class fatal;
it turns out that it fails non-fatally on Tegra boards.
Regression against 3.5-rc1.
- Add the IRQF_ONESHOT flag to the cd-gpio driver, which turned
into a regression in 3.5-rc1 when IRQF_ONESHOT became required
for threaded IRQs with no handler.
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Merge tag 'mmc-fixes-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC fixes from Chris Ball:
- Revert a patch that made failing to select power class fatal;
it turns out that it fails non-fatally on Tegra boards.
Regression against 3.5-rc1.
- Add the IRQF_ONESHOT flag to the cd-gpio driver, which turned
into a regression in 3.5-rc1 when IRQF_ONESHOT became required
for threaded IRQs with no handler.
* tag 'mmc-fixes-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
mmc: cd-gpio: pass IRQF_ONESHOT to request_threaded_irq()
mmc: core: Revert "skip card initialization if power class selection fails"
- fix 'sparse warning fix' regression which totally breaks MXC NAND
- fix GPMI NAND regression when used with UBI
- update/correct sysfs documentation for new 'bitflip_threshold' field
- fix nandsim build failure
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Merge tag 'for-linus-20120712' of git://git.infradead.org/linux-mtd
Pull late MTD fixes from David Woodhouse:
- fix 'sparse warning fix' regression which totally breaks MXC NAND
- fix GPMI NAND regression when used with UBI
- update/correct sysfs documentation for new 'bitflip_threshold' field
- fix nandsim build failure
* tag 'for-linus-20120712' of git://git.infradead.org/linux-mtd:
mtd: nandsim: don't open code a do_div helper
mtd: ABI documentation: clarification of bitflip_threshold
mtd: gpmi-nand: fix read page when reading to vmalloced area
mtd: mxc_nand: use 32bit copy functions
- 3 Palmas fixes, 1 of them being a build error fix.
- 2 mc13xx fixes. 1 for fixing an SPI regmap configuration and another one for
working around an i.Mx hardware bug.
- 1 omap-usb regression fix.
- 1 twl6040 build breakage fix.
- 1 file deletion (ab5500-core.h) that was overlooked during the last merge
window.
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Merge tag 'mfd-for-linus-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFD Fixes from Samuel Ortiz:
- Three Palmas fixes, One of them being a build error fix.
- Two mc13xx fixes. One for fixing an SPI regmap configuration and
another one for working around an i.Mx hardware bug.
- One omap-usb regression fix.
- One twl6040 build breakage fix.
- One file deletion (ab5500-core.h) that was overlooked during the last
merge window.
* tag 'mfd-for-linus-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: Add missing hunk to change palmas irq to clear on read
mfd: Fix palmas regulator pdata missing
mfd: USB: Fix the omap-usb EHCI ULPI PHY reset fix issues.
mfd: Update twl6040 Kconfig to avoid build breakage
mfd: Delete ab5500-core.h
mfd: mc13xxx workaround SPI hardware bug on i.Mx
mfd: Fix mc13xxx SPI regmap
mfd: Add terminating entry for i2c_device_id palmas table
Pull a couple of KVM fixes from Avi Kivity:
"One is an adjustment for an irq layer change that affected device
assignment, the other a one-liner ppc fix."
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
powerpc/kvm: Fix "PR" KVM implementation of H_CEDE
KVM: Fix device assignment threaded irq handler
Commit 080399aaaf ("block: don't mark buffers beyond end of disk as
mapped") exposed a bug in __getblk_slow that causes mount to hang as it
loops infinitely waiting for a buffer that lies beyond the end of the
disk to become uptodate.
The problem was initially reported by Torsten Hilbrich here:
https://lkml.org/lkml/2012/6/18/54
and also reported independently here:
http://www.sysresccd.org/forums/viewtopic.php?f=13&t=4511
and then Richard W.M. Jones and Marcos Mello noted a few separate
bugzillas also associated with the same issue. This patch has been
confirmed to fix:
https://bugzilla.redhat.com/show_bug.cgi?id=835019
The main problem is here, in __getblk_slow:
for (;;) {
struct buffer_head * bh;
int ret;
bh = __find_get_block(bdev, block, size);
if (bh)
return bh;
ret = grow_buffers(bdev, block, size);
if (ret < 0)
return NULL;
if (ret == 0)
free_more_memory();
}
__find_get_block does not find the block, since it will not be marked as
mapped, and so grow_buffers is called to fill in the buffers for the
associated page. I believe the for (;;) loop is there primarily to
retry in the case of memory pressure keeping grow_buffers from
succeeding. However, we also continue to loop for other cases, like the
block lying beond the end of the disk. So, the fix I came up with is to
only loop when grow_buffers fails due to memory allocation issues
(return value of 0).
The attached patch was tested by myself, Torsten, and Rich, and was
found to resolve the problem in call cases.
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Reported-and-Tested-by: Torsten Hilbrich <torsten.hilbrich@secunet.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Josh Boyer <jwboyer@redhat.com>
Cc: Stable <stable@vger.kernel.org> # 3.0+
[ Jens is on vacation, taking this directly - Linus ]
--
Stable Notes: this patch requires backport to 3.0, 3.2 and 3.3.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There is multiple voltage input pins on device which
takes the voltage input for different voltage regulator.
Support to configure the voltage input supplied by
different regulator for each regulators.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Properly define the CAMIF interrupt resources. This device have two
interrupts - corresponding to the "codec" and "preview" data paths.
IRQ_CAM is handled internally by the architecture and demultiplexed
to IRQ_S3C2440_CAM_C and IRQ_S3C2440_CAM_P - these interrupts only
should be handled in the driver.
Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Use correct gate control bit for AC97 clock which is
S3C2440_CLKCON_AC97, not S3C2440_CLKCON_CAMERA.
Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The rework of the snd-usb endpoint logic moved the calls to
snd_usb_set_interface() into the snd_usb_endpoint implemenation. This
changed the order in which these calls are issued to the device, and
thereby caused regressions for some webcams.
Fix this by moving the calls back to pcm.c for now to make it work again
and use snd_usb_endpoint_activate() to really tear down all remaining
URBs in the flight, consequently fixing another regression caused by USB
packets on the wire after altsetting 0 has been selected.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-and-tested-by: Philipp Dreimann <philipp@dreimann.net>
Reported-by: Joseph Salisbury <joseph.salisbury@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
I couldn't find the vendor ID in any of the online databases, but this
mat has a Pump It Up logo on the top side of the controller compartment,
and a disclaimer stating that Andamiro will not be liable on the bottom.
Signed-off-by: Yuri Khan <yurivkhan@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Checking for adc->ts_pend already claimed should be done with the
lock held.
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The rate of xusbxti clock is set in individual machine files.
The default value should be defined at the clock definition
and individual machine files should modify it if required.
Division by zero in kernel.
[<c0011849>] (unwind_backtrace+0x1/0x9c) from [<c022c663>] (Ldiv0+0x9/0x12)
[<c022c663>] (Ldiv0+0x9/0x12) from [<c001a3c3>] (s3c_setrate_clksrc+0x33/0x78)
[<c001a3c3>] (s3c_setrate_clksrc+0x33/0x78) from [<c0019e67>] (clk_set_rate+0x2f/0x78)
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
We were accidentally losing one bit in the configuration register on
device initialization. It was reported to freeze one specific system
right away. Properly preserve all bits we don't explicitly want to
change in order to prevent that.
Reported-by: Stevie Trujillo <stevie.trujillo@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Commit d640113fe8 introduced a regression on SMP
systems where the processor core with ACPI id zero is disabled
(typically should be the case because of hyperthreading).
The regression got spread through stable kernels.
On 3.0.X it got introduced via 3.0.18.
Such platforms may be rare, but do exist.
Look out for a disabled processor with acpi_id 0 in dmesg:
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x10] disabled)
This problem has been observed on a:
HP Proliant BL280c G6 blade
This patch restricts the introduced workaround to platforms
with nr_cpu_ids <= 1.
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit adds device tree support for tps65217 pmic. And usage
details are added to device tree documentation. Driver is tested
by using kernel module with regulator set and get APIs.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Both min_uV and max_uV are not used in the code, remove them.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Initialize config.of_node for regulator before registering.
This is needed for DT based regulator support.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Currently s2mps11->iodev, s2mps11->dev and config.dev point to NULL.
This patch fixes the settings for config.dev.
Current code does not need the *dev and *iodev of struct s2mps11_info,
so remove them.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
