Function 'type1_access_ok' should return bool value, not 0/1.
This patch changes 'return 0/1' to 'return false/true'.
Cc: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Link: http://lkml.kernel.org/r/1382049336-21316-5-git-send-email-david.a.cohen@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Following files contains code that is common to all intel mid
soc's. So renamed them as below.
mrst/mrst.c -> intel-mid/intel-mid.c
mrst/vrtc.c -> intel-mid/intel_mid_vrtc.c
mrst/early_printk_mrst.c -> intel-mid/intel_mid_vrtc.c
pci/mrst.c -> pci/intel_mid_pci.c
Also, renamed the corresponding header files and made changes
to the driver files that included these header files.
To ensure that there are no functional changes, I have compared
the objdump of renamed files before and after rename and found
that the only difference is file name change.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: http://lkml.kernel.org/r/1382049336-21316-4-git-send-email-david.a.cohen@linux.intel.com
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Fixed indentation issues reported by checkpatch script in
mrst related files.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: http://lkml.kernel.org/r/1382049336-21316-3-git-send-email-david.a.cohen@linux.intel.com
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Fixed printk and pr_* related issues in mrst related files.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: http://lkml.kernel.org/r/1382049336-21316-2-git-send-email-david.a.cohen@linux.intel.com
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cleanup to namespace the defines for the cs42l73 driver
Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Add support for RST GPIO and Charge Pump Freq in platform data
Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
After convertion to snd_soc_register_card, platform driver should
reference snd_soc_pm_ops callbacks to properly suspend/resume sound
hardware. This was missed during conversion of PXA sound devices.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
After recent changes to codec/DAI initialization order changes, codec
driver (wm9712 in my case) tries to access codec prior to
pxa2xx_ac97_hw_probe() being called (because DAIs are probed after all
codecs are probed). Move hw-related probe/remove/suspend/resume
functions to pxa2xx-ac97 driver level, instead of DAI level.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
PXA25x also shows some problems when using interrupts during reset
handling. Thus do not use interrupts on all pxa kinds (to detect codec
ready state). Instead use a common mdelay-loop on all platforms to
detect codecs becoming ready.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
pm_runtime_put() wasn't called if clock rate could not be set up in
s3c64xx_spi_setup() leading to invalid count of device pm_runtime usage.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Mark device as PM runtime active during initialization to reflect
actual device power/clocks state. This reduces the enable count for SPI
bus controller gate clock so it can be disabled when the bus controller
is not used.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
From Stephen Warren:
* tegra/dt:
ARM: tegra: Use symbolic names for gr3d clocks
ARM: tegra: Mark Tegra30 display controller compatible with Tegra20
ARM: tegra: add GPIO controller to tegra124.dtsi
ARM: tegra: enable LP1 suspend mode for Venice2
ARM: tegra: enable Tegra RTC as default for Tegra124
ARM: tegra: add Venice2 board support
ARM: tegra: Add initial device tree for Tegra124
ARM: tegra: add vcc supply for nct1008 to Cardhu
ARM: tegra: add DT entry for nct1008 to Dalmore
ARM: tegra: use dt-binding header for key code
ARM: tegra: add palmas pincontrol to Dalmore device tree
Signed-off-by: Kevin Hilman <khilman@linaro.org>
AT91 ADC hardware integrate touch screen support. So this patch add touch
screen support for at91 adc iio driver.
To enable touch screen support in adc, you need to add the dt parameters:
1. which type of touch are used? (4 or 5 wires), sample period time.
2. correct pressure detect threshold value.
In the meantime, since touch screen will use a interal period trigger of adc,
so it is conflict to other hardware triggers. Driver will disable the hardware
trigger support if touch screen is enabled.
This driver has been tested in AT91SAM9X5-EK and SAMA5D3x-EK.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
CC: devicetree@vger.kernel.org
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Commit 4e7ea81db5(ext4: restructure writeback path) introduces another
performance regression on random write:
- one more page may be added to ext4 extent in
mpage_prepare_extent_to_map, and will be submitted for I/O so
nr_to_write will become -1 before 'done' is set
- the worse thing is that dirty pages may still be retrieved from page
cache after nr_to_write becomes negative, so lots of small chunks
can be submitted to block device when page writeback is catching up
with write path, and performance is hurted.
On one arm A15 board with sata 3.0 SSD(CPU: 1.5GHz dura core, RAM:
2GB, SATA controller: 3.0Gbps), this patch can improve below test's
result from 157MB/sec to 174MB/sec(>10%):
dd if=/dev/zero of=./z.img bs=8K count=512K
The above test is actually prototype of block write in bonnie++
utility.
This patch makes sure no more pages than nr_to_write can be added to
extent for mapping, so that nr_to_write won't become negative.
Cc: linux-ext4@vger.kernel.org
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
and be consistent with other setter functions in that first argument
is hmc5843_data
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
only continuous mode is supported for now; the driver could/should
be switched to single conversion mode
operating mode should be determined by the way IIO accesses the device
and not exposed explicitly
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
v3:
* use __be16 instead of s16
v2 (thanks to Jonathan Cameron):
* drop dynamic buffer allocation, buffer is in hmc5842_data
* grab timestamp near data acquisition
* restrict available scan masks (only read all axis)
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
v2:
* use __be16 instead of s16
Split out data ready/wait for read measurement
fix bug in case reading status register fails
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
and drop/inline helper functions _check_int_plus_micros() and
_show_int_plus_micros()
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
v3:
* rename _check_scale() to _get_scale_index()
v2:
* use SCALE instead of CALIBSCALE to control the range/gain
of measurements
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds device tree binding documentation for CM36651 proximity/light sensor.
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds a new driver for Capella CM36651 proximity and RGB sensor.
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This branch mainly removes dead code and defines that were useful only
when booting using board files. A few other misc cleanups are also
included.
This branch is based on previous pull request
tegra-for-3.13-deps-for-arm-init-time-cleanup.
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Merge tag 'tegra-for-3.13-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/cleanup
ARM: tegra: cleanup for 3.13
This branch mainly removes dead code and defines that were useful only
when booting using board files. A few other misc cleanups are also
included.
This branch is based on previous pull request
tegra-for-3.13-deps-for-arm-init-time-cleanup.
* tag 'tegra-for-3.13-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: fix ARCH_TEGRA_114_SOC select sort order
ARM: tegra: make tegra_init_fuse() __init
ARM: tegra: remove much of iomap.h
ARM: tegra: move resume vector define to irammap.h
ARM: tegra: delete gpio-names.h
ARM: tegra: delete stale header content
ARM: tegra: remove common.c
Signed-off-by: Kevin Hilman <khilman@linaro.org>
- convert Calxeda cpuidle driver to a platform driver and to use PSCI
- convert highbank smp_ops and suspend to PSCI
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Merge tag 'highbank-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into next/soc
From Rob Herring:
Highbank platform updates for 3.13
- convert Calxeda cpuidle driver to a platform driver and to use PSCI
- convert highbank smp_ops and suspend to PSCI
* tag 'highbank-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dts: calxeda: add ARM PSCI binding
ARM: highbank: adapt to use ARM PSCI calls
ARM: PSCI: remove unnecessary include of arm-gic.h
cpuidle: calxeda: add support to use PSCI calls
ARM: highbank: cpuidle: convert to platform driver
cpuidle: calxeda: add cpu_pm_enter/exit calls
Update comments to reflect what is really going on and add the TWE bit
to the comments in kvm_arm.h.
Also renames the function to kvm_handle_wfx like is done on arm64 for
consistency and uber-correctness.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
On an (even slightly) oversubscribed system, spinlocks are quickly
becoming a bottleneck, as some vcpus are spinning, waiting for a
lock to be released, while the vcpu holding the lock may not be
running at all.
This creates contention, and the observed slowdown is 40x for
hackbench. No, this isn't a typo.
The solution is to trap blocking WFEs and tell KVM that we're
now spinning. This ensures that other vpus will get a scheduling
boost, allowing the lock to be released more quickly. Also, using
CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT slightly improves the performance
when the VM is severely overcommited.
Quick test to estimate the performance: hackbench 1 process 1000
2xA15 host (baseline): 1.843s
2xA15 guest w/o patch: 2.083s
4xA15 guest w/o patch: 80.212s
8xA15 guest w/o patch: Could not be bothered to find out
2xA15 guest w/ patch: 2.102s
4xA15 guest w/ patch: 3.205s
8xA15 guest w/ patch: 6.887s
So we go from a 40x degradation to 1.5x in the 2x overcommit case,
which is vaguely more acceptable.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
- dove
- add audio devices
- fix bad properties of si5351 clkout2 for CuBox
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Merge tag 'dt-3.13-3' of git://git.infradead.org/linux-mvebu into next/dt
From Jason Cooper:
mvebu dt changes for v3.13 (round 3)
- dove
- add audio devices
- fix bad properties of si5351 clkout2 for CuBox
* tag 'dt-3.13-3' of git://git.infradead.org/linux-mvebu:
ARM: Dove: fix bad properties of the si5351 clkout2 used by Cubox audio
ARM: Dove: Add the audio device to the Cubox DT
ARM: Dove: Add the audio devices in DT
The test in the spear_adc driver which checks whether the IRQ number returned
by platform_get_irq() has multiple problems. It accepts 0 even though this is
an invalid IRQ. It also rejects IRQ numbers that are larger or equal than
NR_IRQS. First of all drivers should never need to reference NR_IRQS and
secondly with CONFIG_SPARSE_IRQ NR_IRQS is not the upper limit, so the check
might reject valid IRQ numbers. This patch modifies the check to only test
against less or equal to 0.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
The test in the lpc32xx_adc driver which checks whether the IRQ number returned
by platform_get_irq() has multiple problems. It accepts 0 even though this is an
invalid IRQ. It also rejects IRQ numbers that are larger or equal than NR_IRQS.
First of all drivers should never need to reference NR_IRQS and secondly with
CONFIG_SPARSE_IRQ NR_IRQS is not the upper limit, so the check might reject
valid IRQ numbers. This patch modifies the check to only test against less or
equal to 0.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Roland Stigge <stigge@antcom.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
- mvebu
- pcie
- dynamic link up detection
- add IO wrappers
- declare some local functions static
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Merge tag 'drivers-3.13-2' of git://git.infradead.org/linux-mvebu into next/drivers
From Jason Cooper:
mvebu driver changes for v3.13 (round 2)
- mvebu
- pcie
- dynamic link up detection
- add IO wrappers
- declare some local functions static
* tag 'drivers-3.13-2' of git://git.infradead.org/linux-mvebu:
PCI: mvebu: make local functions static
PCI: mvebu: add I/O access wrappers
PCI: mvebu: Dynamically detect if the PEX link is up to enable hot plug
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Some small cleanups for MSM. Removes extraneous irq definitions that
aren't used on DT targets, moves the single existing board file to
board-dt.c in antipication of additional targets, and renames the
existing DT files to have a common 'qcom' prefix.
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Merge tag 'msm-cleanup-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/cleanup
From David Brown:
General cleanups for MSM for 3.13
Some small cleanups for MSM. Removes extraneous irq definitions that
aren't used on DT targets, moves the single existing board file to
board-dt.c in antipication of additional targets, and renames the
existing DT files to have a common 'qcom' prefix.
* tag 'msm-cleanup-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
ARM: msm: Rename msm devicetrees to have standard 'qcom' prefix
ARM: msm: Create a common board-dt and config ARCH_MSM_DT
ARM: msm: Remove irqs-*.h files for DT based targets
Signed-off-by: Kevin Hilman <khilman@linaro.org>
- Fix up the LED support
- Update the Integrator defconfig
- Remove ATAG boot path
- Move some stuff over to the device tree
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Merge tag 'integrator-for-v3.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/soc
From Linus Walleij:
Integrator patches for the v3.13 kernel cycle:
- Fix up the LED support
- Update the Integrator defconfig
- Remove ATAG boot path
- Move some stuff over to the device tree
* tag 'integrator-for-v3.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: integrator: core module registers from compatible strings
ARM: integrator: use devm_ioremap() to remap CM
cpufreq: probe the Integrator cpufreq driver from DT
ARM: integrator: move CM base into device tree
ARM: integrator: decommission the <mach/irqs.h> header
ARM: integrator: delete non-devicetree boot path
ARM: integrator: print the Linux IRQ in LL_DEBUG code
ARM: integrator: get the LM interrupts from DT
ARM: integrator: update defconfig
ARM: integrator: get the CM control register by proxy
Signed-off-by: Kevin Hilman <khilman@linaro.org>
clockevents_config_and_register is superior compared to setting
shift/mult and {min,max}_delta_ns by hand.
Tested-by: Prabhakar Lad <prabhakar.csengg@gmail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
[nsekhar@ti.com: fix an alignment related checkpatch warning]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
cpufreq_set_policy() has been changed to origin __cpufreq_set_policy()
and policy->lock has been converted to rewrite lock by commit 5a01f2.
So remove the comment.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
For easier debugging of the current voice setting, expose the value
in debugfs if the controller is BR/EDR capable.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
For LE capable controllers, the static address can be configured. For
debugging purposes expose the value in debugfs.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
The auto_accept_delay debugfs entry is only valid for BR/EDR capable
controllers that also support SSP. If SSP is not available or it is
a LE-only single mode controller this value has no affect and so do
not expose it.
Since the value can be actually changed, switch the permissions
to 0644 to clearly indicate that the value is indeed writeable.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Let kstrtos32_from_user() do the necessary calls and checks.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Removed the checkpatch warning of line over 80 chars
by breaking the long line into sensible chunks of 2 lines
to comply with coding style
Signed-off-by: Nandini Hanumanthagowda <nandu.hgowda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux style for comment is C89 style "/* */" and it
doesn't prefer C99-style comment "//...". Hence replaced
C99-style comments used in code by C89 style comment to
comply with linux coding style
Signed-off-by: Nandini Hanumanthagowda <nandu.hgowda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There was parentheses around return statement's value which
was not required since return statement is not a function.
Hence removed the parentheses to eliminate the checkpatch error
which states:
ERROR: return is not a function, parentheses are not required
Signed-off-by: Nandini Hanumanthagowda <nandu.hgowda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
