Commit Graph

2250 Commits

Author SHA1 Message Date
Krzysztof Kozlowski 112da5cb43 regulator: s2mpa01: Use correct register for buck1 ramp delay
Fix the register for ramp delay of buck1 regulator. Buck1 and buck6
share the field (offset 4) in ramp delay register S2MPA01_REG_RAMP2.

The driver used the same register and field for ramp delay of buck3 and
buck1. This lead to updating of ramp delay of buck3 when setting buck1
and actually the ramp delay of buck1 was never set.

Fixes: f187927146 ("regulator: Add support for S2MPA01 regulator")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: <stable@vger.kernel.org>
2014-05-26 15:39:12 +01:00
Axel Lin 366986274c regulator: core: Use map_voltage_linear_range by default for list_voltage_linear_range
Use map_voltage_linear_range() if list_voltage_linear_range() is in use and
nothing is set.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-26 14:36:55 +01:00
Lee Jones 9f8c0fe954 regulator: Constify the pointer to alias name array
Toughen-up checks for read-only regulator names.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-23 18:55:23 +01:00
Keerthy dbabd624d4 regulator: palmas: Reemove open coded functions with helper functions
Reemove open coded functions with helper functions.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-22 11:32:12 +01:00
Matt Porter c6466950e9 regulator: bcm590xx: Add support for regulators on secondary I2C slave
The bcm590xx MFD driver now exposes a secondary regmap descriptor
making the registers for regulators on the secondary I2C slave address
available.  Add support for GPLDO1-6 and VBUS regulators found within
this register range.

Signed-off-by: Matt Porter <mporter@linaro.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-05-21 10:40:16 +01:00
Greg Kroah-Hartman 6a57bad6e7 Update extcon for v3.16
This patchset add resource-managed functions to automatically control the memory
 and unregistration operation of extcon. Also, This series support new MAX77836
 extcon device driver on existing MAX14577 device because existed a little
 difference between MAX77836 and MAX14577. Finally, Fix minor issue of extcon
 driver.
 
 Detailed description for patchset:
 1. Add resource-managed functions
 - Add resource-managed functions to automatically free the memory of extcon
 structure and to control unregistration behavior as following. This new devm_*
 functions applied all of extcon drivers in drivers/extcon/.
 : devm_extcon_dev_register/unregister()
 : devm_extcon_dev_allocate/free()
 : extcon_dev_allocate/free() for devm_extcon_dev_allocate/free()
 
 2. Add new MAX77836 extcon device
 - Support MAX77836 device on existing MAX14577 device driver using
 different compatible string. This patchset has dependency on MFD/
 Regulator/Extcon. So, Lee Jones(MFD Maintainer) created Immutable
 branch between MFD and Extcon due for v3.16 merge-window and then
 I merged this patchset from MFD git repo[1] to Extcon git repo.
 : [1] git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
   (branch: ib-mfd-extcon-3.16)
 
 3. Fix minor issue of extcon driver
 - extcon-palmas driver
 : Fix issue of extcon device name for probe
 - extcon-max14577
 : Fix probe failure about handling wrong return value.
 : Properly Handle return value of regmap_irq_get_virq function.
 - extcon-max8997/max77693 driver
 : Fix NULL pointer exception on missing pdata
 
 4. Code clean for extcon driver
 - extcon-max8997/max77693
 : Use power efficient workqueue for delayed cable detection
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Merge tag 'extcon-next-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next

Chanwoo writes:

Update extcon for v3.16

This patchset add resource-managed functions to automatically control the memory
and unregistration operation of extcon. Also, This series support new MAX77836
extcon device driver on existing MAX14577 device because existed a little
difference between MAX77836 and MAX14577. Finally, Fix minor issue of extcon
driver.

Detailed description for patchset:
1. Add resource-managed functions
- Add resource-managed functions to automatically free the memory of extcon
structure and to control unregistration behavior as following. This new devm_*
functions applied all of extcon drivers in drivers/extcon/.
: devm_extcon_dev_register/unregister()
: devm_extcon_dev_allocate/free()
: extcon_dev_allocate/free() for devm_extcon_dev_allocate/free()

2. Add new MAX77836 extcon device
- Support MAX77836 device on existing MAX14577 device driver using
different compatible string. This patchset has dependency on MFD/
Regulator/Extcon. So, Lee Jones(MFD Maintainer) created Immutable
branch between MFD and Extcon due for v3.16 merge-window and then
I merged this patchset from MFD git repo[1] to Extcon git repo.
: [1] git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
  (branch: ib-mfd-extcon-3.16)

3. Fix minor issue of extcon driver
- extcon-palmas driver
: Fix issue of extcon device name for probe
- extcon-max14577
: Fix probe failure about handling wrong return value.
: Properly Handle return value of regmap_irq_get_virq function.
- extcon-max8997/max77693 driver
: Fix NULL pointer exception on missing pdata

4. Code clean for extcon driver
- extcon-max8997/max77693
: Use power efficient workqueue for delayed cable detection
2014-05-20 09:44:38 +09:00
Boris BREZILLON a6016c523e regulator: AXP20x: fix wrong call to of_find_node_by_name
The of_find_node_by_name function will search for a DT node named
"regulators" after the provided np node, but will not ensure that this node
is a child of np.
This might result in retrieving a "regulators" node that is not related to
the axp20x PMIC.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Carlo Caione <carlo@caione.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-19 17:40:06 +01:00
Krzysztof Kozlowski 0608032a90 regulator: s2mpa01: Use rdev_get_id() to access id of regulator
Use regulator API rdev_get_id() to access id of regulator.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-17 14:30:06 +01:00
Krzysztof Kozlowski b203e0dfe1 regulator: s2mps11: Fix accidental enable of buck6 ramp delay
S2MPS11 supports enabling/disabling ramp delay only for buck[2346].
Other bucks have ramp delay enabled always.

However the bit shift for enabling buck6 ramp delay in register is equal
to 0. When ramp delay was set for the bucks unsupporting enable/disable
(buck[15789] and buck10), the ramp delay for buck6 was also enabled.

Fixes: b96244fad9 ("regulator: s2mps11: Don't check enable_shift before setting enable ramp rate")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-17 14:29:26 +01:00
Krzysztof Kozlowski 51e2fc0a25 regulator: s2mpa01: Fix accidental enable of buck4 ramp delay
S2MPA01 supports enabling/disabling ramp delay only for buck[1234].
Other bucks have ramp delay enabled always.

However the bit shift for enabling buck4 ramp delay in register is equal
to 0. When ramp delay was set for the bucks unsupporting enable/disable
(buck[56789] and buck10), the ramp delay for buck4 was also enabled.

Fixes: f7b1a8dc1c ("regulator: s2mpa01: Don't check enable_shift before setting enable ramp rate")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-17 14:28:09 +01:00
Pawel Moll 3b9334ac83 mfd: vexpress: Convert custom func API to regmap
Components of the Versatile Express platform (configuration
microcontrollers on motherboard and daughterboards in particular)
talk to each other over a custom configuration bus. They
provide miscellaneous functions (from clock generator control
to energy sensors) which are represented as platform devices
(and Device Tree nodes). The transactions on the bus can
be generated by different "bridges" in the system, some
of which are universal for the whole platform (for the price
of high transfer latencies), others restricted to a subsystem
(but much faster).

Until now drivers for such functions were using custom "func"
API, which is being replaced in this patch by regmap calls.
This required:

* a rework (and move to drivers/bus directory, as suggested
  by Samuel and Arnd) of the config bus core, which is much
  simpler now and uses device model infrastructure (class)
  to keep track of the bridges; non-DT case (soon to be
  retired anyway) is simply covered by a special device
  registration function

* the new config-bus driver also takes over device population,
  so there is no need for special matching table for
  of_platform_populate nor "simple-bus" hack in the arm64
  model dtsi file (relevant bindings documentation has
  been updated); this allows all the vexpress devices
  fit into normal device model, making it possible
  to remove plenty of early inits and other hacks in
  the near future

* adaptation of the syscfg bridge implementation in the
  sysreg driver, again making it much simpler; there is
  a special case of the "energy" function spanning two
  registers, where they should be both defined in the tree
  now, but backward compatibility is maintained in the code

* modification of the relevant drivers:

  * hwmon - just a straight-forward API change
  * power/reset driver - API change
  * regulator - API change plus error handling
    simplification
  * osc clock driver - this one required larger rework
    in order to turn in into a standard platform driver

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mike Turquette <mturquette@linaro.org>
2014-05-15 17:02:18 +01:00
Rusty Russell 71e06af26c drivers/regulator/virtual: avoid world-writable sysfs files.
In line with practice for module parameters, we're adding a build-time
check that sysfs files aren't world-writable.

Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2014-05-14 10:53:55 +09:30
Charles Keepax 6f1c9c57b4 regulator: arizona-micsupp: Add missing #include
of.h is presently being included through asm-generic/gpio.h so will not
be included on some architectures, causing implicit declaration errors
for of_get_child_by_name, of_parse_phandle and of_node_put.

This patch adds the direct include that should be there.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-08 18:16:51 +01:00
Jingoo Han cfe6e3334e regulator: max8952: Make of_device_id array const
Make of_device_id array const, because all OF functions
handle it as const.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-07 20:56:47 +01:00
Jingoo Han 1439afd8db regulator: vexpress: Make of_device_id array const
Make of_device_id array const, because all OF functions
handle it as const.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-07 20:56:25 +01:00
Jingoo Han a74cf0c207 regulator: st-pwm: Make of_device_id array const
Make of_device_id array const, because all OF functions
handle it as const.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-07 20:56:09 +01:00
Jingoo Han 2449df9f90 regulator: palmas: Make of_device_id array const
Make of_device_id array const, because all OF functions
handle it as const.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-07 20:55:41 +01:00
Jingoo Han a799baab12 regulator: anatop: Make of_device_id array const
Make of_device_id array const, because all OF functions
handle it as const.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-07 20:55:41 +01:00
Doug Anderson c122c5b682 regulator: tps65090: Fix tps65090 crash on Tegra Dalmore
The patch (60e91b5 regulator: tps65090: Allow setting the overcurrent
wait time) introduced a crash on Tegra Dalmore.  On Dalmore the device
tree doesn't have an entry for all of the FETs so it leaves tps_pdata
NULL in some cases.  Add a check for NULL like the rest of the code
does.

Reported-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-02 09:33:30 -07:00
Krzysztof Kozlowski de5d05637f regulator: s2mps11: Allow GPIO 0 to be used as external control on S2MPS14
GPIO 0 is a valid GPIO so allow using it as external control for
S2MPS14 regulators.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-01 10:53:50 -07:00
Krzysztof Kozlowski eba430c7ea regulator: s5m8767: Allow GPIO 0 to be used as external control
GPIO 0 is a valid GPIO so allow using it as external control for
regulator.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-01 10:50:38 -07:00
Doug Anderson ed11f1ead5 regulator: tps65090: Make FETs more reliable by adding retries
An issue was discovered with tps65090 where sometimes the FETs
wouldn't actually turn on when requested (they would report
overcurrent).  The most problematic FET was the one used for the LCD
backlight on the Samsung ARM Chromebook (FET1).  Problems were
especially prevalent when the device was plugged in to AC power (when
the backlight voltage was higher).

Mitigate the problem by adding retries on the enables of the FETs,
which works around the problem fairly effectively.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Michael Spang <spang@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-29 10:05:07 -07:00
Krzysztof Kozlowski 8a82b408ac regulator: max14577: Add support for MAX77836 regulators
Add support for MAX77836 chipset and its additional two LDO regulators.
These LDO regulators are controlled by the PMIC block with additional
regmap (different I2C slave address).

The MAX77836 charger and safeout regulators are almost identical to
MAX14577. The registers layout is the same, except values for charger's
current. The patch adds simple mapping between device type and supported
current by the charger regulator.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-04-23 14:09:45 +01:00
Charles Keepax 2cce4be9e6 regulator: arizona-ldo1: Add processing of init_data from device tree
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-18 18:35:06 +01:00
Charles Keepax 4a8c475f5f regulator: arizona-ldo1: Move setup processing from arizona-core
It is more idiomatic to process things relating to the regulator in its
driver. This patch moves both processing of device tree relating to the
regulator and checking if the regulator is external from arizona-core
into the regulator driver.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-18 18:35:03 +01:00
Charles Keepax 36bcdf1bb6 regulator: arizona-micsupp: Add processing of init_data from device tree
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-18 18:34:49 +01:00
Charles Keepax 13b3fde808 regulator: core: Use devres for releasing of_regulator_match of_nodes
Rather than requiring individual drivers to put the of_nodes returned
from of_regulator_match use devres to put them. This also has the
benefit it makes the life-time of the of_nodes match the lifetime of
the init data also contained in the of_regulator_match structure, which
seems more consistent.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-18 18:12:09 +01:00
Axel Lin 5957ae1fdc regulator: tps65217: Use regulator_map_voltage_ascend for LDO1
The voltages in LDO1_VSEL_table are in ascendant order, so use
regulator_map_voltage_ascend.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-18 17:21:00 +01:00
Doug Anderson 290414499c regulator: tps65090: Allow setting the overcurrent wait time
The tps65090 regulator allows you to specify how long you want it to
wait before detecting an overcurrent condition.  Allow specifying that
through the device tree (or through platform data).

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Michael Spang <spang@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-18 16:02:00 +01:00
Axel Lin 073a77d03e regulator: tps65217: Remove *rdev[] from struct tps65217
Now this driver uses devm_regulator_register() so we don't need to save rdev
pointer to tps->rdev[i] for cleanup.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-18 15:47:39 +01:00
Axel Lin 75dbf0a0f9 regulator: pbias: Convert to use regulator_[enable|is_enabled]_regmap
Since commit ca5d1b3524
"regulator: helpers: Modify helpers enabling multi-bit control",
we can set enable_val setting for device that use multiple bits for control
when using regmap enable/disable/bypass ops.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-15 10:28:46 +01:00
Axel Lin 60e8c1e34d regulator: pbias: Convert to use regmap helper functions
This patch converts this driver to use the regmap helper functions provided by
regulator core.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 22:16:25 +01:00
Axel Lin 1cb7b43f67 regulator: pbias: Fix is_enabled callback implementation
The is_enabled implementation is wrong in some cases:
e.g. for pbias_mmc_omap5: enable_mask is : BIT(27) | BIT(25) | BIT(26)
However, pbias_regulator_enable() only sets BIT(27) | BIT(26) bits.
So is_enabled callback will always return false in this case.
Fix the logic to compare the register value with info->enable rather than
info->enable_mask.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 22:16:25 +01:00
Krzysztof Kozlowski 97f53d710b regulator: s2mps11: Add external GPIO control for S2MPS14
Add support for external control over GPIO for LDO10, LDO11 and LDO12
S2MPS14 regulators. External control can be turned on by writing 0x0 to
control register which in case of other regulators is used for disabling
them. These LDO10-LDO12 regulators can be disabled only by I2C GPIO or
PWREN pin so the patch actually allows proper way of disabling them.

Additionally the GPIO control has two benefits:
 - It is faster than toggling it over I2C bus.
 - It allows disabling the regulator during suspend to RAM; The AP will
   enable it during resume.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 22:12:42 +01:00
Krzysztof Kozlowski 011703835f regulator: s2mps11: Move DTS parsing code to separate function
Refactor code for parsing DTS to increase a little code readability. The
behaviour should not change.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 22:12:42 +01:00
Krzysztof Kozlowski e80fb721ca regulator: s5m8767: Remove regulator_dev pointer from state container
Don't store pointer to regulator_dev returned by
devm_regulator_register() in state container. It isn't used anywhere
outside of probe.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 17:03:41 +01:00
Charles Keepax 63c7c9e16c regulator: core: Get and put regulator of_node
Currently the regulator core does not take an additional reference to
the of_node it is passed. This means that the caller must ensure that
the of_node is valid for the duration of the regulator's existance.
It is reasonable for the framework to assume it is passed a valid
of_node but seems onerous for it to assume the caller will keep the node
valid for the life-time of the regulator, especially when
devm_regulator_register is used and there will likely be no code in the
driver called at the point it would be safe to put the of_node.

This patch adds an additional of_node_get when the regulator is
registered and an of_node_put when it is unregistered in the core. This
means individual drivers are free to put their of_node references at the
end of probe letting the regulator core handling it from there. This
simplifies code on the driver side.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 17:01:24 +01:00
Charles Keepax 3764806440 regulator: core: Add helper to put of_nodes from matches
As of_regulator_match will take an of_node reference to each matched
regulator, it makes sense to provide a helper to put all those
references. This patch does that.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 17:01:24 +01:00
Charles Keepax bd0dda744c regulator: core: Add of_node_get to of_regulator_match
Currently, of_regulator_match does not increment the reference count of
the of_nodes it takes new references to. This could cause the node
pointer held to be invalid, by the time it is passed to the regulator
core. This patchs adds an of_node_get when we copy each of_node pointer
into the match structure.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 17:01:24 +01:00
Carlo Caione dfe7a1b058 regulator: AXP20x: Add support for regulators subsystem
AXP202 and AXP209 come with two synchronous step-down DC-DCs and five
LDOs. This patch introduces basic support for those regulators.

Signed-off-by: Carlo Caione <carlo@caione.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-14 17:00:34 +01:00
Linus Torvalds c0c4cf0645 regulator: Fixes for v3.15
A few driver specific fixes that have come in over the merge window,
 all only relevant for the specific driver.
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Merge tag 'regulator-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A few driver specific fixes that have come in over the merge window,
  all only relevant for the specific driver"

* tag 'regulator-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: bcm590xx: Set n_voltages for linear reg
  regulator: s5m8767: Fix carried over ena_gpio assignment
  regulator: s2mps11: Don't check enable_shift before setting enable ramp rate
  regulator: s2mpa01: Don't check enable_shift before setting enable ramp rate
2014-04-11 13:30:05 -07:00
Mark Brown 039df7a7cb Merge remote-tracking branches 'regulator/fix/bcm590xx', 'regulator/fix/s2m' and 'regulator/fix/s5m8767' into regulator-linus 2014-04-10 23:39:38 +01:00
Tim Kryger 1e7914058e regulator: bcm590xx: Set n_voltages for linear reg
Fix the macro used to define linear range regulators to include the
number of voltages.

Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Acked-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-10 23:10:36 +01:00
Linus Torvalds 97e18dc007 MMC highlights for 3.15:
Core:
  - CONFIG_MMC_UNSAFE_RESUME=y is now default behavior.
  - DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V.
  - Add GPIO descriptor based slot-gpio card detect API.
 
 Drivers:
  - dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c.
  - mmci: Support HW busy detection on ux500.
  - omap: Support MMC_ERASE.
  - omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23.
  - rtsx: Support pre-req/post-req async.
  - sdhci: Add support for Realtek RTS5250 controllers.
  - sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect.
  - sdhci-msm: Add new driver for Qualcomm SDHCI chipset support.
  - sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs.
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Merge tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC updates from Chris Ball:
 "MMC highlights for 3.15:

  Core:
   - CONFIG_MMC_UNSAFE_RESUME=y is now default behavior
   - DT bindings for SDHCI UHS, eMMC HS200, high-speed DDR, at 1.8/1.2V
   - Add GPIO descriptor based slot-gpio card detect API

  Drivers:
   - dw_mmc: Refactor SOCFPGA support as a variant inside dw_mmc-pltfm.c
   - mmci: Support HW busy detection on ux500
   - omap: Support MMC_ERASE
   - omap_hsmmc: Support MMC_PM_KEEP_POWER, MMC_PM_WAKE_SDIO_IRQ, (a)cmd23
   - rtsx: Support pre-req/post-req async
   - sdhci: Add support for Realtek RTS5250 controllers
   - sdhci-acpi: Add support for 80860F16, fix 80860F14/SDIO card detect
   - sdhci-msm: Add new driver for Qualcomm SDHCI chipset support
   - sdhci-pxav3: Add support for Marvell Armada 380 and 385 SoCs"

* tag 'mmc-updates-for-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (102 commits)
  mmc: sdhci-acpi: Intel SDIO has broken card detect
  mmc: sdhci-pxav3: add support for the Armada 38x SDHCI controller
  mmc: sdhci-msm: Add platform_execute_tuning implementation
  mmc: sdhci-msm: Initial support for Qualcomm chipsets
  mmc: sdhci-msm: Qualcomm SDHCI binding documentation
  sdhci: only reprogram retuning timer when flag is set
  mmc: rename ARCH_BCM to ARCH_BCM_MOBILE
  mmc: sdhci: Allow for irq being shared
  mmc: sdhci-acpi: Add device id 80860F16
  mmc: sdhci-acpi: Fix broken card detect for ACPI HID 80860F14
  mmc: slot-gpio: Add GPIO descriptor based CD GPIO API
  mmc: slot-gpio: Split out CD IRQ request into a separate function
  mmc: slot-gpio: Record GPIO descriptors instead of GPIO numbers
  Revert "dts: socfpga: Add support for SD/MMC on the SOCFPGA platform"
  mmc: sdhci-spear: use generic card detection gpio support
  mmc: sdhci-spear: remove support for power gpio
  mmc: sdhci-spear: simplify resource handling
  mmc: sdhci-spear: fix platform_data usage
  mmc: sdhci-spear: fix error handling paths for DT
  mmc: sdhci-bcm-kona: fix build errors when built-in
  ...
2014-04-09 08:39:39 -07:00
Krzysztof Kozlowski f4fbb3ce34 regulator: s5m8767: Fix carried over ena_gpio assignment
During registration of regulators if external control for regulator was
set in DTS the ena_gpio and ena_gpio_flags fields of regulator_config
were set to proper values.

However the same regulator_config was used in next iterations of loop so
the ena_gpio fields carried over to next regulators.

The issue was not observed as ena_gpio is supported only for Buck9
regulator which is often the last regulator parsed from DTS.
Be sure to clear ena_gpio config fields before registering the
regulator.

Fixes: ee1e0994ab (regulator: s5m8767: Use GPIO for controlling Buck9/eMMC)
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-07 13:39:58 +01:00
Linus Torvalds 159d8133d0 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
 "Usual rocket science -- mostly documentation and comment updates"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  sparse: fix comment
  doc: fix double words
  isdn: capi: fix "CAPI_VERSION" comment
  doc: DocBook: Fix typos in xml and template file
  Bluetooth: add module name for btwilink
  driver core: unexport static function create_syslog_header
  mmc: core: typo fix in printk specifier
  ARM: spear: clean up editing mistake
  net-sysfs: fix comment typo 'CONFIG_SYFS'
  doc: Insert MODULE_ in module-signing macros
  Documentation: update URL to hfsplus Technote 1150
  gpio: update path to documentation
  ixgbe: Fix format string in ixgbe_fcoe.
  Kconfig: Remove useless "default N" lines
  user_namespace.c: Remove duplicated word in comment
  CREDITS: fix formatting
  treewide: Fix typo in Documentation/DocBook
  mm: Fix warning on make htmldocs caused by slab.c
  ata: ata-samsung_cf: cleanup in header file
  idr: remove unused prototype of idr_free()
2014-04-02 16:23:38 -07:00
Axel Lin b96244fad9 regulator: s2mps11: Don't check enable_shift before setting enable ramp rate
Current code misses updating the register when enable_shift is 0.
e.g. S2MPS11_BUCK9_RAMP_SHIFT and S2MPS11_BUCK6_RAMP_EN_SHIFT are 0.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-02 20:53:16 +01:00
Axel Lin f7b1a8dc1c regulator: s2mpa01: Don't check enable_shift before setting enable ramp rate
Current code misses updating the register when enable_shift is 0.
e.g. S2MPA01_BUCK4_RAMP_EN_SHIFT is 0.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-02 20:52:45 +01:00
Mark Brown 5481b348e8 Merge remote-tracking branches 'regulator/topic/tps65218', 'regulator/topic/tps6524x', 'regulator/topic/tps6586x', 'regulator/topic/tps65910', 'regulator/topic/tps80031', 'regulator/topic/wm831x', 'regulator/topic/wm8350' and 'regulator/topic/wm8994' into regulator-next 2014-03-26 16:58:25 +00:00
Mark Brown 24ee65e4a5 Merge remote-tracking branches 'regulator/topic/s5m8767', 'regulator/topic/st-pwm', 'regulator/topic/ti-abb', 'regulator/topic/tps51632', 'regulator/topic/tps62360', 'regulator/topic/tps6507x', 'regulator/topic/tps65090' and 'regulator/topic/tps65217' into regulator-next 2014-03-26 16:58:18 +00:00
Mark Brown 7b836485d4 Merge remote-tracking branches 'regulator/topic/max8973', 'regulator/topic/max8997', 'regulator/topic/max8998', 'regulator/topic/mc13xxx', 'regulator/topic/pfuze100', 'regulator/topic/rc5t583' and 'regulator/topic/s2mps11' into regulator-next 2014-03-26 16:58:11 +00:00
Mark Brown 4faa54e52c Merge remote-tracking branches 'regulator/topic/max1586', 'regulator/topic/max77686', 'regulator/topic/max77693', 'regulator/topic/max8649', 'regulator/topic/max8660', 'regulator/topic/max8907', 'regulator/topic/max8925' and 'regulator/topic/max8952' into regulator-next 2014-03-26 16:58:05 +00:00
Mark Brown 794016f9dc Merge remote-tracking branches 'regulator/topic/doc', 'regulator/topic/enable', 'regulator/topic/fan53555', 'regulator/topic/fixed', 'regulator/topic/gpio', 'regulator/topic/lp3971', 'regulator/topic/lp872x' and 'regulator/topic/max14577' into regulator-next 2014-03-26 16:57:57 +00:00
Mark Brown c9cbbd4fc0 Merge remote-tracking branches 'regulator/topic/bcm590xx', 'regulator/topic/da9052', 'regulator/topic/da9055', 'regulator/topic/da9063', 'regulator/topic/da9210', 'regulator/topic/db8500' and 'regulator/topic/dbx500' into regulator-next 2014-03-26 16:57:51 +00:00
Mark Brown e4e16c2b67 Merge remote-tracking branches 'regulator/topic/88pm800', 'regulator/topic/88pm8607', 'regulator/topic/aat2870', 'regulator/topic/act8865', 'regulator/topic/anatop', 'regulator/topic/arizona', 'regulator/topic/as3711' and 'regulator/topic/as3722' into regulator-next 2014-03-26 16:57:45 +00:00
Mark Brown 29dbdcf316 Merge remote-tracking branch 'regulator/topic/core' into regulator-next 2014-03-26 16:57:44 +00:00
Axel Lin 08d6da2914 regulator: aat2870: Use regulator_map_voltage_ascend
The voltages in aat2870_ldo_voltages table are in ascendant order, so use
regulator_map_voltage_ascend.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-26 16:52:39 +00:00
Axel Lin d8eb6fa7a9 regulator: st-pwm: Convert to get_voltage_sel
Also remove test for selector in st_pwm_regulator_set_voltage_sel, the checking
is already done in .list_voltage.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-24 10:49:10 +00:00
Lee Jones 4a5d301328 regulator: Add new driver for ST's PWM controlled voltage regulators
On some STMicroelectronics hardware reside regulators consisting
partly of a PWM input connected to the feedback loop. As the PWM
duty-cycle is varied the output voltage adapts. This driver
allows us to vary the output voltage by adapting the PWM input
duty-cycle.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-21 18:20:04 +00:00
Axel Lin 89ad288961 regulator: bcm590xx: Remove **rdev from struct bcm590xx_reg
The **rdev of 'struct bcm590xx_reg' isn't used anywhere in the driver so
remove it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-21 18:09:36 +00:00
Axel Lin c93474316d regulator: bcm590xx: Make the modalias matches the driver name
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-21 18:09:34 +00:00
Axel Lin 9c4c60554a regulator: s5m8767: Convert to use regulator_[enable|disable|is_enabled]_regmap
Since commit ca5d1b3524
"regulator: helpers: Modify helpers enabling multi-bit control",
we can set enable_val setting for device that use multiple bits for control.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-21 17:47:49 +00:00
Ulf Hansson eced9d5e93 regulator: db8500-prcmu: Set 1.8V as a fixed voltage for vsmps2
This regulator is used for system IO and is fixed to 1.8V. Let's give
consumers the option to fetch the voltage level.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-21 17:46:40 +00:00
Sachin Kamat 991acaf629 regulator: s2mps11: Add missing of_node_put
Add of_node_put to decrement the ref count.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-19 13:11:07 +00:00
Sachin Kamat 14256f734e regulator: s2mps11: Use of_get_child_by_name
of_find_node_by_name walks the allnodes list, and can thus walk
outside of the parent node. Use of_get_child_by_name instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-19 13:11:07 +00:00
Krzysztof Kozlowski 05be09bb5e regulator: s2mps11: Add set_suspend_disable for S2MPS14
S2MPS14 regulators support suspend mode where their status is controlled
by PWREN coming from SoC. This patch implements the set_suspend_disable
for S2MPS14 regulators.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-19 13:02:51 +00:00
Krzysztof Kozlowski 15f77300c9 regulator: s2mps11: Add support for S2MPS14 regulators
Add support for S2MPS14 PMIC regulators to s2mps11 driver. The S2MPS14
has fewer BUCK-s and LDO-s than S2MPS11. It also does not support
controlling the BUCK ramp delay.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Reviewed-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-19 13:02:51 +00:00
Mark Brown 236b11de51 Merge branch 'ib-mfd-regulator-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into regulator-s2mps11 2014-03-19 13:02:34 +00:00
Sachin Kamat dda5e36b1c regulator: max8660: Fix brace alignment
Move the "};" to next line as is the general coding practice.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-19 12:47:06 +00:00
Jingoo Han 80c48e72f8 regulator: dbx500: use seq_puts() instead of seq_printf()
For a constant format without additional arguments, use seq_puts()
instead of seq_printf(). Also, it fixes the following checkpatch
warning.

  WARNING: Prefer seq_puts to seq_printf

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-19 10:19:49 +00:00
Sachin Kamat e77addc597 regulator: dbx500-prcmu: Silence checkpatch warnings
Silences the following warning type:
WARNING: Missing a blank line after declarations

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-19 10:19:46 +00:00
Axel Lin 114c5748d5 regulator: anatop: Remove checking control_reg in [set|get]_voltage_sel
Remove checking control_reg in [set|get]_voltage_sel and then convert to use
regulator_[set|get]_voltage_sel_regmap for [set|get]_voltage_sel callbacks.

The anatop-reg-offset property is a required property rather than optional
property. So the question is what is the meaning of setting anatop-reg-offset
to 0? If 0 is a valid setting for anatop-reg-offset and it has special meaning,
we had better document it in the binding document. Otherwise, remove the testing
for control_reg in the driver.

No anatop voltage regulator node in the dts files set anatop-reg-offset to 0.
So I think it's safe to remove testing if control_reg is 0.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-18 18:35:56 +00:00
Sachin Kamat a5f8f96307 regulator: max8952: Silence checkpatch warning
Silences the following type of checkpatch warning:
WARNING: Missing a blank line after declarations

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-18 12:43:20 +00:00
Sachin Kamat c74c76e850 regulator: max8925: Silence checkpatch warning
Silences the following type of checkpatch warning:
WARNING: Missing a blank line after declarations

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-18 12:40:19 +00:00
Sachin Kamat f920ec7981 regulator: max8660: Silence checkpatch warnings
Silences the following type of error/warnings:
ERROR: that open brace { should be on the previous line
WARNING: Missing a blank line after declarations

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-18 12:38:56 +00:00
Charles Keepax a35ff28616 regulator: arizona-ldo1: Correct default regulator init_data
Both 5102 and 8997 have the regulator capable of supplying 1.8V, and the
voltage step from the 5110 regulator is different from what is specified
in the default description. This patch updates the default regulator
description to match 5110 and selects the 1.8V capable description for
8997.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
2014-03-18 11:18:00 +00:00
Sachin Kamat f187927146 regulator: Add support for S2MPA01 regulator
Add support for S2MPA01 voltage and current regulator.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-03-18 10:56:30 +00:00
Axel Lin d6fe2c7251 regulator: tps6586x: Remove unnecessary rdev[] array
Now we are using devm_regulator_register(), so we don't need the rdev[] array
to store return value of devm_regulator_register. Use a *rdev variable is
enough for checking return status.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-13 11:42:23 +00:00
Colin Ian King f377ed107b regulator: da9063: fix assignment of da9063_reg_matches to NULL
cppcheck detected an incorrect assignment:

 drivers/regulator/da9063-regulator.c:711]: (warning) Assignment
 of function parameter has no effect outside the function

the original code didn't do anything, instead, *da9063_reg_matches
needs to be set to NULL.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-11 19:05:05 +00:00
Matt Porter 462c9fc5cb regulator: add bcm590xx regulator driver
Add a regulator driver for the BCM590xx PMU voltage regulators.
The driver supports LDOs and DCDCs in normal mode only. There is
no support for low-power mode or power sequencing.

Signed-off-by: Matt Porter <mporter@linaro.org>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-11 18:51:42 +00:00
Axel Lin fb8eb45400 regulator: act8865: Remove unnecessary *rdev[] from struct act8865
Now we are using devm_regulator_register(), so we don't need the *rdev[] array
to store return value of devm_regulator_register. Use a *rdev variable is
enough for checking return status.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Wenyou Yang <Wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 10:30:21 +00:00
Krzysztof Kozlowski 2d45e78a9a regulator: max1586: Don't allocate memory for regulator_dev pointers
Do not allocate memory for 'struct regulator_dev *' since it was removed
from state container (values returned by devm_regulator_register() are
not used outside of probe).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 10:24:28 +00:00
Axel Lin 8a221df699 regulator: max8998: Remove unnecessary **rdev from struct max8998_data
Now we are using devm_regulator_register(), so we don't need to allocate *rdev[]
array to store return value of devm_regulator_register. Use a *rdev variable is
enough for checking return status.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 10:12:13 +00:00
Axel Lin ad78bba42a regulator: max8997: Remove unnecessary **rdev from struct max8997_data
Now we are using devm_regulator_register(), so we don't need to allocate *rdev[]
array to store return value of devm_regulator_register. Use a *rdev variable is
enough for checking return status.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 10:11:15 +00:00
Krzysztof Kozlowski 67f76a935f regulator: max8660: Remove regulator_dev pointer from state container
Don't store pointer to regulator_dev returned by
devm_regulator_register() in state container. It isn't used anywhere
outside of max8660_probe() function.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:46:28 +00:00
Krzysztof Kozlowski 9654fbe9cd regulator: max8973: Remove unused field from 'struct max8973_chip'
The 'struct regulator_dev *rdev' of 'struct max8973_chip' isn't used
anywhere in the driver so it can be removed safely.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:36:42 +00:00
Krzysztof Kozlowski b874f41c6b regulator: max8952: Use managed regulator registration
Use managed devm_regulator_register to simplify the driver probe and
driver remove functions. This allows removing from state container the
pointer to regulator_dev returned on registering the regulator.

Patch also removes from state container pointer to 'struct device' as it
is not used anywhere outside of max8952_pmic_probe() function.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:36:15 +00:00
Krzysztof Kozlowski 15af45d152 regulator: max8925: Remove unused state container fields
Remove fields from 'struct max8925_regulator' which are not used
anywhere in the driver.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:35:35 +00:00
Krzysztof Kozlowski f991525a1a regulator: max8907: Remove regulator_dev array from state container
Don't store array of regulator_dev returned by devm_regulator_register()
in state container. It isn't used anywhere outside of
max8907_regulator_probe() function.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:34:59 +00:00
Krzysztof Kozlowski b7313b89c5 regulator: max8649: Remove regulator_dev pointer from state container
Don't store pointer to regulator_dev returned by
evm_regulator_register() an state container. It isn't used anywhere
outside of max8649_regulator_probe() function.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:32:58 +00:00
Krzysztof Kozlowski 640c24a77b regulator: max77693: Remove state container as it is not needed
Don't store pointers to regulator_dev returned by
devm_regulator_register() in allocated memory in state container. They
aren't used anywhere outside of max77693_pmic_probe() function.

This change allows removing completely the 'struct max77693_pmic_dev'
state container as none of its fields are used outside of probe.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:31:56 +00:00
Krzysztof Kozlowski b0c13e8030 regulator: max77686: Remove regulator_dev array from state container
Don't store array of regulator_dev returned by devm_regulator_register()
in state container. It isn't used anywhere outside of
max77686_pmic_probe() function.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:29:01 +00:00
Krzysztof Kozlowski aaa46b4b1a regulator: max1586: Remove regulator_dev pointer from state container
Don't store pointer to regulator_dev returned by
devm_regulator_register() in state container. It isn't used anywhere
outside of max1586_pmic_probe() function.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-10 09:22:51 +00:00
Carlo Caione ca5d1b3524 regulator: helpers: Modify helpers enabling multi-bit control
This patch extends the regulator helpers to account for device that use
multiple bits for control when using regmap enable/disable/bypass ops.

The actual regulator helpers wrongly assume that the regulator control
is always performed using single bits, using in the regulator_desc
struct only two parameters *_reg and *_mask defining register and mask
for control.

This patch extends this struct and introduces the helpers to take into
account devices where control is performed using multiple bits and
specific multi-bit values are used for enabling/disabling/bypassing the
regulator.

Signed-off-by: Carlo Caione <carlo@caione.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-06 17:30:10 +08:00
Axel Lin 2cee2121db regulator: pfuze100: Add PFUZE200 support to Kconfig and module description
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-06 12:26:21 +08:00
Jingoo Han 350ff52d40 regulator: tps80031: remove unnecessary parentheses
Remove unnecessary parentheses in order to fix the following
checkpatch error.

  ERROR: return is not a function, parentheses are not required

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-05 12:33:18 +08:00
Balaji T K 11469e0bb1 regulator: add pbias regulator support
pbias register controls internal power supply to sd card i/o pads
in most OMAPs (OMAP2-5, DRA7).
Control bits for selecting voltage level and
enabling/disabling are in the same PBIAS register.

Signed-off-by: Balaji T K <balajitk@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Mark Brown <broonie@linaro.org>
Tested-by: Florian Vaussard <florian.vaussard@epfl.ch>
Tested-by: Stefan Roese <sr@denx.de>
Signed-off-by: Chris Ball <chris@printf.net>
2014-03-04 11:44:47 -05:00
Linus Torvalds 16e3f5391c regulator: Fixes for v3.14-rc5
A couple of fixes here which ensure that regulators using the core
 support for GPIO enables work in all cases by ensuring that helpers are
 used consistently rather than open coding in places and hence not having
 GPIO support in some of them.
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Merge tag 'regulator-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A couple of fixes here which ensure that regulators using the core
  support for GPIO enables work in all cases by ensuring that helpers
  are used consistently rather than open coding in places and hence not
  having GPIO support in some of them"

* tag 'regulator-v3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: core: Replace direct ops->disable usage
  regulator: core: Replace direct ops->enable usage
2014-03-04 08:41:42 -08:00
Axel Lin e6c4c3378d regulator: pfuze100: Add terminate entry for [i2c|of]_device_id tables
Also remove PFUZE_NUM to avoid below build warnings:

  CC [M]  drivers/regulator/pfuze100-regulator.o
drivers/regulator/pfuze100-regulator.c:86:2: warning: excess elements in array initializer [enabled by default]
drivers/regulator/pfuze100-regulator.c:86:2: warning: (near initialization for 'pfuze_device_id') [enabled by default]
drivers/regulator/pfuze100-regulator.c:93:2: warning: excess elements in array initializer [enabled by default]
drivers/regulator/pfuze100-regulator.c:93:2: warning: (near initialization for 'pfuze_dt_ids') [enabled by default]

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-04 18:46:55 +08:00
Robin Gong f2518480c7 regulator: pfuze100: add pfuze200 support
support pfuze200 chip which remove SW1C and SW4 based on pfuze100.

Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-04 17:40:31 +08:00
Krzysztof Kozlowski 0f4cc28295 regulator: s2mps11: Fix section mismatch
Remove __initconst from regulator_desc array because this array is used
during probe and s2mps11_pmic_probe() is not in __init section. However
still select the number of supported regulators according to device ID
so the driver will be ready for adding support for S2MPS14 device.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-04 11:01:57 +08:00
Axel Lin 94ee607c96 regulator: tps65217: Allow missing init_data for diagnostics
The regulator core supports this to allow the configuration to be inspected
at runtime even if no software management is enabled.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-03 12:00:39 +08:00
Krzysztof Kozlowski 3e80f95bfc regulator: s2mps11: Copy supported regulators from initconst
Add __initconst to 'regulator_desc' array with supported regulators.
During probe choose how many and which regulators will be supported
according to device ID. Then copy the 'regulator_desc' array to
allocated memory so the regulator core can use it.

Additionally allocate array of of_regulator_match() dynamically (based
on number of regulators) instead of allocation on the stack.

This is needed for supporting different devices in s2mps11
driver and actually prepares the regulator driver for supporting the
S2MPS14 device.

Code for supporting the S2MPS14 device will add its own array of
'regulator_desc' (also marked as __initconst). This way memory footprint
of the driver will be reduced (approximately 'regulators_desc' array for
S2MPS11 occupies 5 kB on 32-bit ARM, for S2MPS14 will occupy 3 kB).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Cc: Yadwinder Singh Brar <yadi.brar01@gmail.com>
Reviewed-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-03 10:08:55 +08:00
Krzysztof Kozlowski 219ef031de regulator: s2mps11: Constify regulator_desc array
Constify the regulator_desc 'regulators' array.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-03 10:08:55 +08:00
Krzysztof Kozlowski 3119525203 regulator: s2mps11: Don't store registered regulators in state container
Regulators registered by devm_regulator_register() do not have to be
stored in state container because they are never dereferenced later.
The array of regulator_dev can be safely removed from state container.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-03 10:08:54 +08:00
Alexander Shiyan b431e69a6f regulator: mc13xxx: Fix probing with DT
The nodes of regulators should be retrieved from parent device.
Bug was be introduced by commit (regulator: mc13xxx: Fix NULL
pointer error in non-DT mode) in conjuction with (mfd: Revert
"mfd: Always assign of_node in mfd_add_device()").

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-03 10:58:23 +09:00
Jingoo Han e54f19bff4 regulator: 88pm8607: fix indent code style
Fix indent code style in order to fix the following checkpatch
issues.

  ERROR: code indent should use tabs where possible
  WARNING: please, no space before tabs
  WARNING: please, no spaces at the start of a line

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:39:29 +09:00
Markus Pargmann 8669544a78 regulator: dummy: Should be always-on
Regulator dummy does not have any enable operations. So it is always_on.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-26 08:49:52 +09:00
Sachin Kamat bf7f882b1e regulator: mc13xxx: Fix NULL pointer error in non-DT mode
Add a check to avoid NULL pointer dereference error when
booted in non-DT mode. While at it also remove the additional
of_node_get which is no longer needed for of_get_child_by_name
and fix the node pointer.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reported-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 21:27:59 +09:00
Markus Pargmann 66fda75f47 regulator: core: Replace direct ops->disable usage
There are many places where ops->disable is called directly. Instead we
should use _regulator_do_disable() which also handles gpio regulators.

To be able to use the wrapper function from _regulator_force_disable(),
I moved the _notifier_call_chain() call from _regulator_do_disable() to
_regulator_disable(). This way, _regulator_force_disable() can use
different flags for _notifier_call_chain() without calling it twice.

Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 10:31:45 +09:00
Markus Pargmann 30c2197103 regulator: core: Replace direct ops->enable usage
There are some direct ops->enable in the regulator core driver. This is
a potential issue as the function _regulator_do_enable() handles gpio
regulators and the normal ops->enable calls. These gpio regulators are
simply ignored when ops->enable is called directly.

One possible bug is that boot-on and always-on gpio regulators are not
enabled on registration.

This patch replaces all ops->enable calls by _regulator_do_enable.

[Handle missing enable operations -- broonie]

Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

regulator: Handle invalid enable operation for always/boot on regulators

Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 10:31:25 +09:00
Fabio Estevam 6428789e11 pfuze100-regulator: Return error on of_node_get() failure
If of_node_get() fails, we should return an error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-23 14:34:32 +09:00
Mark Brown bcad2ca372 Merge remote-tracking branches 'regulator/fix/da9063', 'regulator/fix/max14577' and 'regulator/fix/s5m8767' into regulator-linus 2014-02-23 12:22:18 +09:00
Mark Brown f29d778fa4 Merge remote-tracking branch 'regulator/fix/core' into regulator-linus 2014-02-23 12:22:18 +09:00
Krzysztof Kozlowski 08221fc4e7 regulator: max14577: Fix invalid return value on DT parse success
This fixes bug introduced in 667a6b7a (regulator: max14577: Add missing
of_node_put). The DTS parsing function returned number of matched
regulators as success status which then was compared against 0 in probe.

Result was a probe fail after successful parsing the DTS:
max14577-regulator: probe of max14577-regulator failed with error 2

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviwed-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-22 11:54:17 +09:00
Shuah Khan acc3d5cec8 regulator: core: Change dummy supplies error message to a warning
Change "dummy supplies not allowed" error message to warning instead, as this
is a just warning message with no change to the behavior.

[Added a CC to stable since some other bug fixes cause this to come up
more frequently on PCs which is how it was noticed -- broonie]

Signed-off-by: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
2014-02-21 08:35:31 +09:00
Jiri Kosina d4263348f7 Merge branch 'master' into for-next 2014-02-20 14:54:28 +01:00
Sachin Kamat 4deaf85a39 regulator: wm8994: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 21:05:39 +09:00
Sachin Kamat fae3b83645 regulator: wm831x-ldo: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 21:03:17 +09:00
Sachin Kamat d718debcdb regulator: wm831x-isink: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 21:03:16 +09:00
Sachin Kamat 5730aa57de regulator: wm831x-dcdc: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 21:03:14 +09:00
Sachin Kamat 96fa8c4b9b regulator: tps80031: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 21:02:22 +09:00
Sachin Kamat bcb2c0d691 regulator: tps65910: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 21:01:27 +09:00
Sachin Kamat 02e905845f regulator: tps6586x: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:57:06 +09:00
Sachin Kamat 516add1d9d regulator: tps6524x: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:54:59 +09:00
Sachin Kamat 0ad91c69ab regulator: tps65090: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:53:58 +09:00
Sachin Kamat fe23ce0813 regulator: tps6507x: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:53:09 +09:00
Sachin Kamat 33e63ba6c6 regulator: tps62360: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:51:08 +09:00
Sachin Kamat ef4bcf88ea regulator: tps51632: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:50:01 +09:00
Sachin Kamat 4754b4211d regulator: s5m8767: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:49:06 +09:00
Sachin Kamat 2ea2583f2f regulator: rc5t583: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:26:05 +09:00
Sachin Kamat f0d5c73af6 regulator: max8997: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:24:59 +09:00
Sachin Kamat 7752d96400 regulator: max8952: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:24:00 +09:00
Sachin Kamat d016bdc7f4 regulator: max8907: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:23:18 +09:00
Sachin Kamat f1b3f9031d regulator: fixed: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:22:35 +09:00
Sachin Kamat 7c2ee82c16 regulator: max77686: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:21:47 +09:00
Sachin Kamat df948bbf48 regulator: fan53555: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Yunfan Zhang <yfzhang@marvell.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:20:39 +09:00
Sachin Kamat cb487c5c0e regulator: dbx500: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 20:19:45 +09:00
Sachin Kamat 6c48acfb2a regulator: da9210: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 19:58:46 +09:00
Sachin Kamat 8b5baa56f2 regulator: da9063: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 19:57:19 +09:00
Sachin Kamat 31833581de regulator: as3711: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:38:41 +09:00
Sachin Kamat 820cd31e36 regulator: arizona-micsupp: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:37:59 +09:00
Sachin Kamat f4a6c5b41c regulator: arizona-ldo1: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:37:59 +09:00
Sachin Kamat 5ee77ef27e regulator: act8865: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:35:31 +09:00
Sachin Kamat 001f004ba7 regulator: 88pm800: Remove redundant error message
kzalloc prints its own OOM message upon failure.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:34:38 +09:00
Sachin Kamat fe2eb72218 regulator: da9055: Do not hardcode return value
Propagate the error value returned by the function instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:33:53 +09:00
Sachin Kamat 8a7963d55b regulator: da9063: Do not hardcode return values
Propagate the error values returned by the function instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:31:47 +09:00
Sachin Kamat 145fe1e1d5 regulator: fan53555: Do not hardcode return values
Propagate the error values returned by the function instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:30:08 +09:00
Sachin Kamat a1985d469d regulator: lp3971: Do not hardcode return value
Propagate the error value returned by the function instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:28:12 +09:00
Sachin Kamat ad5ec6cdb2 regulator: lp872x: Do not hardcode return values
Propagate the error values returned by the function instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:26:02 +09:00