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'of_match_ptr' is defined in linux/of.h. Include it explicitly to
avoid breakage in the future.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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'of_match_ptr' is defined in linux/of.h. Include it explicitly to
avoid breakage in the future.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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'of_palmas_match_tbl' is always compiled in. Hence of_match_ptr() is
not needed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The data structure of_match_ptr() protects is always compiled in.
Hence of_match_ptr() is not needed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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This registers ARIZONA_AOD_WKUP_AND_TRIG and ARIZONA_AOD_IRQ_RAW_STATUS
contain interrupt status bits and thus should be volatile. They are
correctly marked on wm5102 but not on wm5110, this patch changes this.
Furthermore volatile registers don't need defaults so remove those.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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When setting GPIO defaults we are required to make a distinction
between writing 0x0000 to the registers and leaving them untouched.
When we receive between 0x0000 and 0xFFFF (inclusive) from either
Platform Data or Device Tree, we should write the provided
configuration to the device. Conversely, when we receive >0xFFFF we
should leave the device configuration at its default setting.
This patch fixes a bug and ensures that configuration 0x0000 isn't
mistakenly written when the intention was to keep the default one.
Reported-by: Heather Lomond <heather.lomond@wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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If platform data is passed when probing the device then it should take
precedence over Device Tree. This patch saves cycles in the pdata case
and prevents error messages when DT is not passed.
Reported-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Palmas device supports multiple i2c device address and the client
for these addressed are created in the driver as i2c_new_dummy().
The new devices are not getting released in error or removal path and
so it is causing resource leak.
Add the unregister of these newly created dummy devices to avoid resource
leaks.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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If Palams supports the system power controller and pm_power_off
is implemented through the Palmas driver then reset the pm_power_off
in driver remove.
This will avoid the call of Palmas driver after removal of driver.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The driver only support the device tree and sub modules are populated
through platform, the registration of sub devices through mfd_add_devices
has been removed.
Hence in remove path of the driver, it is not require to call
mfd_remove_devices.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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This patch adds only of_match_table. There are no device specific
properties.
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The patch removes wakeup related code from the driver and plaftorm
data - it is already handled by i2c core using I2C_CLIENT_WAKE flag
from struct i2c_board_info. As a result MFD itself do not requires
platform data.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Move the workaround for double sending AUDIO_CODEC and AUDIO_DAC writes
into the SPI core, aiding refactoring to eliminate the ASoC custom I/O
functions and avoiding the extra writes for I2C.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Since the conversion to regmap there has been no need for device level
locking for I/O as regmap provides locking so remove the locks.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The devm_request_irq function allocates irq that is released
when a driver detaches. Thus, there is no reason to explicitly
call devm_free_irq in probe or remove functions.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The devm_request_irq function allocates irq that is released
when a driver detaches. Thus, there is no reason to explicitly
call devm_free_irq in probe or remove functions.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The ADC clock divider needs to be restored on resume as the register content
is lost when the ADC is powered down
Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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This adds a driver for the STw481x PMICs found in the Nomadik
family of platforms. This one uses pure device tree probing.
Print some of the OTP registers on boot and register a regulator
MFD child.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Driver core sets driver data to NULL upon failure or remove.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The default value for the noise gate control register is changed in the
patch file, we need to reflect this in the defaults array, this patch
does so.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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DSPx_CONTROL_1 and DSPx_CLOCKING_1 are not volatile registers and are
incorrectly marked as such, fix this. Also add the DSP scratch
registers, which are frequently used to output debug info from the DSP
core.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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In some platforms, specially Thinkpad series, rts5249 won't be
initialized properly. So we need adjust some phy parameters to
improve the compatibility issue.
It is a little different between simulation and real chip. We have
no idea about which configuration is better before tape-out. We set
default settings according to simulation, but need to tune these
parameters after getting the real chip.
I can't explain every change in detail here. The below information is
just a rough description:
PHY_REG_REV: Disable internal clkreq_tx, enable rx_pwst
PHY_BPCR: No change, just turn the magic number to macro definitions
PHY_PCR: Change OOBS sensitivity, from 60mV to 90mV
PHY_RCR2: Control charge-pump current automatically
PHY_FLD4: Use TX cmu reference clock
PHY_RDR: Change RXDSEL from 30nF to 1.9nF
PHY_RCR1: Change the duration between adp_st and asserting cp_en from
0.32 us to 0.64us
PHY_FLD3: Adjust internal timers
PHY_TUNE: Fine tune the regulator12 output voltage
Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL. It also removes unnecessary label such
as 'err_request'.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Fix to return a negative error code in the irq alloc error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Fixes the following error:
drivers/mfd/aat2870-core.c:296:20: error:
incompatible types in comparison expression (different type sizes)
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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rtc-tps6586x calls enable/disable_irq_wake() during suspend/resume. Since
the main tps6586x irq_chip doesn't implement .irq_set_wake, this causes
the RTC's enable_irq_wake() to fail, and the disable_irq_wake() to spew a
WARN about unbalanced wake disable. Solve this by implementing
.irq_set_wake.
Also, I assume that enable_irq_wake() shouldn't be called unconditionally
in tps6586x_irq_init(), since this is now triggered by IRQ children
setting up their cascaded IRQs for wake. So, remove that.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Since the register I/O functions are all simple wrappers for the regmap
equivalents inline them to provide a small code size saving and an example
of good practice.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Fix:
sm501 sm501: SM501 At b3e00000: Version 050100a0, 8 Mb, IRQ 100
Attribute dbg_regs: write permission without 'store'
------------[ cut here ]------------
WARNING: at drivers/base/core.c:620
dbg_regs does not have a write function and must therefore be marked
as read-only.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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DA9053 (up to revision bc) can corrupt internal registers when multi-write
mode is enabled and power is removed or during shutdown.
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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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>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next
Pull MFD (multi-function device) updates from Samuel Ortiz:
"For the 3.12 merge window we have one new driver for the DA9063 PMIC
from Dialog Semiconductor.
Besides that driver we also have:
- Device tree support for the s2mps11 driver
- More devm_* conversion for the pm8921, max89xx, menelaus, tps65010,
wl1273 and pcf50633-adc drivers.
- A conversion to threaded IRQ and IRQ domain for the twl6030 driver.
- A fairly big update for the rtsx driver: Better power saving
support, better vendor settings handling, and a few fixes.
- Support for a couple more boards (COMe-bHL6 and COMe-cTH6) for the
Kontron driver.
- A conversion to the dev_get_platdata() API for all MFD drivers.
- A removal of non-DT (legacy) support for the twl6040 driver.
- A few fixes and additions (Mic detect level) to the wm5110 register
tables.
- Regmap support for the davinci_voicecodec driver.
- The usual bunch of minor cleanups and janitorial fixes"
* tag 'mfd-3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (81 commits)
mfd: ucb1x00-core: Rewrite ucb1x00_add_dev()
mfd: ab8500-debugfs: Apply a check for -ENOMEM after allocating memory for event name
mfd: ab8500-debugfs: Apply a check for -ENOMEM after allocating memory for sysfs
mfd: timberdale: Use module_pci_driver
mfd: timberdale: Remove redundant break
mfd: timberdale: Staticize local variables
mfd: ab8500-debugfs: Staticize local variables
mfd: db8500-prcmu: Staticize clk_mgt
mfd: db8500-prcmu: Use ANSI function declaration
mfd: omap-usb-host: Staticize usbhs_driver_name
mfd: 88pm805: Fix potential NULL pdata dereference
mfd: 88pm800: Fix potential NULL pdata dereference
mfd: twl6040: Use regmap for register cache
mfd: davinci_voicecodec: Provide a regmap for register I/O
mfd: davinci_voicecodec: Remove unused read and write functions
mmc: memstick: rtsx: Modify copyright comments
mmc: rtsx: Clear SD_CLK toggle enable bit if switching voltage fail
mfd: mmc: rtsx: Change default tx phase
mfd: pcf50633-adc: Use devm_*() functions
mfd: rtsx: Copyright modifications
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC low-priority fixes from Olof Johansson:
"This branch contains a handful of fixes for various platforms that
weren't serious enough to be included in late 3.11-rc releases. Most
of them are for minor cleanups and cosmetic fixes.
There's also a bit of code removal here, one board file removal for
clps711x, and removal of some legacy device creation on OMAP2+"
* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
ARM: OMAP2: use 'int' instead of 'unsigned' for variable 'gpmc_irq_start'
ARM: OMAP2: remove useless variable 'ret'
ARM: OMAP: dma: fix error return code in omap_system_dma_probe()
ARM: OMAP2+: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD
ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards
ARM: OMAP2: Use a consistent AM33XX SoC option description
ARM: OMAP2+: Remove legacy device creation for McPDM and DMIC
ARM: clps711x: edb7211: Remove extra iotable_init() call
ARM: clps711x: autcpu12: Remove incorrect config checking
ARM: clps711x: Drop fortunet board support
ARM: clps711x: Remove the special name for the syscon driver
ARM: dts: Fix memory node in skeleton64.dtsi
ARM: Keystone: Convert device tree file to use IRQ defines
ARM: keystone: use #include to include skeleton.dtsi
ARM: keystone: Drop the un-necessary dsb from keystone_cpu_smc()
ARM: Keystone: No need to preserve r12 across smc call
ARM: keystone: remove redundant smp_init_cpus definition
ARM: keystone: drop useless HAVE_SCHED_CLOCK
ARM: dove: fix missing __init section of dove_mpp_gpio_mode
ARM: shmobile: armadillo800eva-reference: fix compiler warning
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI changes from Bjorn Helgaas:
PCI device hotplug:
- Use PCIe native hotplug, not ACPI hotplug, when possible (Neil Horman)
- Assign resources on per-host bridge basis (Yinghai Lu)
MPS (Max Payload Size):
- Allow larger MPS settings below hotplug-capable Root Port (Yijing Wang)
- Add warnings about unsafe MPS settings (Yijing Wang)
- Simplify interface and messages (Bjorn Helgaas)
SR-IOV:
- Return -ENOSYS on non-SR-IOV devices (Stefan Assmann)
- Update NumVFs register when disabling SR-IOV (Yijing Wang)
Virtualization:
- Add bus and slot reset support (Alex Williamson)
- Fix ACS (Access Control Services) issues (Alex Williamson)
Miscellaneous:
- Simplify PCIe Capability accessors (Bjorn Helgaas)
- Add pcibios_pm_ops for arch-specific hibernate stuff (Sebastian Ott)
- Disable decoding during BAR sizing only when necessary (Zoltan Kiss)
- Delay enabling bridges until they're needed (Yinghai Lu)
- Split Designware support into Synopsys and Exynos parts (Jingoo Han)
- Convert class code to use dev_groups (Greg Kroah-Hartman)
- Cleanup Designware and Exynos I/O access wrappers (Seungwon Jeon)
- Fix bridge I/O window alignment (Bjorn Helgaas)
- Add pci_wait_for_pending_transaction() (Casey Leedom)
- Use devm_ioremap_resource() in Marvell driver (Tushar Behera)
* tag 'pci-v3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits)
PCI/ACPI: Fix _OSC ordering to allow PCIe hotplug use when available
PCI: exynos: Add I/O access wrappers
PCI: designware: Drop "addr" arg from dw_pcie_readl_rc()/dw_pcie_writel_rc()
PCI: Remove pcie_cap_has_devctl()
PCI: Support PCIe Capability Slot registers only for ports with slots
PCI: Remove PCIe Capability version checks
PCI: Allow PCIe Capability link-related register access for switches
PCI: Add offsets of PCIe capability registers
PCI: Tidy bitmasks and spacing of PCIe capability definitions
PCI: Remove obsolete comment reference to pci_pcie_cap2()
PCI: Clarify PCI_EXP_TYPE_PCI_BRIDGE comment
PCI: Rename PCIe capability definitions to follow convention
PCI: Warn if unsafe MPS settings detected
PCI: Fix MPS peer-to-peer DMA comment syntax
PCI: Disable decoding for BAR sizing only when it was actually enabled
PCI: Add comment about needing pci_msi_off() even when CONFIG_PCI_MSI=n
PCI: Add pcibios_pm_ops for optional arch-specific hibernate functionality
PCI: Don't restrict MPS for slots below Root Ports
PCI: Simplify MPS test for Downstream Port
PCI: Remove unnecessary check for pcie_get_mps() failure
...
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Error handling is on-its-head in this function. After invoking a function we
should examine the return code and return the error value if there was one.
Instead, this function checks for success and goes onto provide functionality
if success was received. Not so bad in a simple function like this, but in
a more complex one this could end up drowning in curly brackets.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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event name
The AB8500 debugfs driver allocates memory to contain the name of a new sysfs
entry, but fails to apply the proper post-allocation checks. If the device
were to run out of memory, the allocation would return NULL. Without the
correct checks the driver will continue to populate address NULL with the
specified device name which would obviously cause a pointer dereference Oops.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The AB8500 debugfs driver allocates memory for a new sysfs entry, but
fails to apply the proper post-allocation checks. If the device were to
run out of memory, the allocation would return NULL. Without the correct
checks the driver will continue to populate NULL->[show|store|...],
which would obviously cause a pointer dereference Oops.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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module_pci_driver removes some boilerplate and makes the code
simple.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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break after goto is unreachable. Delete it.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Local variables referenced only in this file are made static.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Local variables referenced only in this file are made static.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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clk_mgt is used only in this file. Make it static.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Silences the following warning:
drivers/mfd/db8500-prcmu.c:2322:25: warning:
non-ANSI function declaration of function 'prcmu_ac_sleep_req'
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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usbhs_driver_name is used only in this file. Make it static.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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