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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
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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>
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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>
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'regulator/fix/max14577' and 'regulator/fix/s5m8767' into regulator-linus
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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>
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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>
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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>
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Bug fix to allow the setting of maximum voltage for certain LDOs.
What the bug is:
There is a problem caused by an invalid calculation of n_voltages
in the driver. This n_voltages value has the potential to be
different for each regulator.
The value for linear_min_sel is set as DA9063_V##regl_name#
which can be different depending upon the regulator. This is
chosen according to the following definitions in the DA9063
registers.h file:
DA9063_VLDO1_BIAS 0
DA9063_VLDO2_BIAS 0
DA9063_VLDO3_BIAS 0
DA9063_VLDO4_BIAS 0
DA9063_VLDO5_BIAS 2
DA9063_VLDO6_BIAS 2
DA9063_VLDO7_BIAS 2
DA9063_VLDO8_BIAS 2
DA9063_VLDO9_BIAS 3
DA9063_VLDO10_BIAS 2
DA9063_VLDO11_BIAS 2
The calculation for n_voltages is valid for LDOs whose BIAS value
is zero but this is not correct for those LDOs which have a
non-zero value.
What the fix is:
In order to take into account the non-zero linear_min_sel value which
is set for the regulators LDO5, LDO6, LDO7, LDO8, LDO9, LDO10 and
LDO11, the calculation for n_voltages should take into account the
missing term defined by DA9063_V##regl_name#.
This will in turn allow the core constraints calculation to set the
maximum voltage limits correctly and therefore allow users to apply
the maximum expected voltage to all of the LDOs.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
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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
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'regulator/fix/max14577' into regulator-linus
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Decrease the reference count for 'regulators' device_node, obtained by
of_get_child_by_name().
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'regulator/fix/s2mps11' into regulator-linus
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When platform_data is used for regulator (of_node of sec-core MFD device
is NULL) the config.of_node for regulator is not initialized. This NULL
value of config.of_node is later stored during regulator_register().
Thus any call by regulator consumers to of_get_regulator() will fail on
of_parse_phandle() returning NULL.
In this case (using platform_data and parent's driver of_node is NULL)
set the config.of_node to reg_node from platform_data.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The AB3100 regulator driver emits a warning when compiled on 64bit
systems like this:
drivers/regulator/ab3100.c:
In function ‘ab3100_regulator_of_probe’:
srivers/regulator/ab3100.c:649:4:
warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
As the int is a different size than the 64bit pointer used to
pass regulator data. Switch to using an unsigned long as ID
passed for the regulator to get rid of the warning.
Reported-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Once we have full constraints then all supply mappings should be known to
the regulator API. This means that we should treat failed lookups as fatal
rather than deferring in the hope of further registrations but this was
broken by commit 9b92da1f1205bd25 "regulator: core: Fix default return
value for _get()" which was targeted at DT systems but unintentionally
broke non-DT systems by changing the default return value.
Fix this by explicitly returning -EPROBE_DEFER from the DT lookup if we
find a property but no corresponding regulator and by having the non-DT
case default to -ENODEV when we have full constraints.
Fixes: 9b92da1f1205bd25 "regulator: core: Fix default return value for _get()"
Signed-off-by: Mark Brown <broonie@linaro.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A respin of the merges in the previous pull request with one extra
fix.
A quiet release for the regulator API, quite a large number of small
improvements all over but other than the addition of new drivers for
the AS3722 and MAX14577 there is nothing of substantial non-local
impact"
* tag 'regulator-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (47 commits)
regulator: pfuze100-regulator: Improve dev_info() message
regulator: pfuze100-regulator: Fix some checkpatch complaints
regulator: twl: Fix checkpatch issue
regulator: core: Fix checkpatch issue
regulator: anatop-regulator: Remove unneeded memset()
regulator: s5m8767: Update LDO index in s5m8767-regulator.txt
regulator: as3722: set enable time for SD0/1/6
regulator: as3722: detect SD0 low-voltage mode
regulator: tps62360: Fix up a pointer-integer size mismatch warning
regulator: anatop-regulator: Remove unneeded kstrdup()
regulator: act8865: Fix build error when !OF
regulator: act8865: register all regulators regardless of how many are used
regulator: wm831x-dcdc: Remove unneeded 'err' label
regulator: anatop-regulator: Add MODULE_ALIAS()
regulator: act8865: fix incorrect devm_kzalloc for act8865
regulator: act8865: Remove set_suspend_[en|dis]able implementation
regulator: act8865: Remove unneeded regulator_unregister() calls
regulator: s2mps11: Clean up redundant code
regulator: tps65910: Simplify setting enable_mask for regulators
regulator: act8865: add device tree binding doc
...
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'regulator/topic/s5m8767', 'regulator/topic/stw481x-vmmc', 'regulator/topic/tps51632', 'regulator/topic/tps62360', 'regulator/topic/tps65910', 'regulator/topic/twl' and 'regulator/topic/wm831x' into regulator-linus
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There is no need to jump to the 'err' label.
Returnn the error directly instead.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Fix the following checkpatch warnings.
WARNING: please, no space before tabs
WARNING: space prohibited between function name and open parenthesis '('
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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BBCH_BBCHEN_MASK is equivalent to TPS65910_SUPPLY_STATE_ENABLED.
So all regulators have the same enable_mask setting.
BBCH_BBCHEN_MASK and BBCH_BBCHEN_SHIFT are not used now, remove them.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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tps65910 has a backup battery charger with a configurable voltage. This
patch adds a regulator for the backup battery.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Fix up the following pointer-integer size mismatch warning in tps62360_probe():
drivers/regulator/tps62360-regulator.c: In function 'tps62360_probe':
drivers/regulator/tps62360-regulator.c:363:13: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
chip_id = (int)match->data;
^
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Fix the 'VOLATGE' spell error.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Commit "i2c: core: make it possible to match a pure device tree driver"
changed semantics of the i2c probing for device tree devices.
Device tree probed devices now get a NULL i2c_device_id pointer.
This causes the regulator name to be set to NULL and the regulator
registration to fail.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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depend on it.
regulator/clk: Fix s2mps11 build
This patch fixes a build failure that appeared in v3.13-rc4 due to an
RTC/MFD update merged via -mm.
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Replace calls to sec_reg* helpers with direct usage of regmap API. The
sec_reg* helpers are error-prone as they mix u8 with unsigned int and
order of some of parameters (val and mask in sec_reg_update()).
Also the helpers do not give any way of useful abstraction as they just
call corresponding regmap function.
This patch replaces:
- sec_reg_read() with regmap_read(),
- sec_reg_write() with regmap_write(),
- sec_reg_update() with regmap_update_bits().
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Add symbols for hard-coded values of BUCK_RAMP field in DVS_RAMP
register. This simplifies a little the code as register update is called
only once.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Voltage setting for BUCK7 and BUCK8 was not supported by s5m8767 driver.
If they were configured in DTS then the driver probing would fail with
EINVAL:
[ 0.288474] VCC_SUB_1.35V: failed to apply 1350000uV constraint
[ 0.288671] s5m8767-pmic s5m8767-pmic: regulator init failed for 35
[ 0.294931] s5m8767-pmic: probe of s5m8767-pmic failed with error -22
This patch adds support for BUCK7 and BUCK8 regulators using standard
regmap get/set voltage sel functions.
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>
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Replace hard-coded value for mask used in BUCKX_CTRL registers (for
BUCKX_EN field) with a symbol. This also removes two local variables.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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BUCK 3 and 4 share the same ramp delay. Hence make it a fall through
case instead of duplicating the code.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'regulator/topic/gpio', 'regulator/topic/lp3971', 'regulator/topic/lp3972', 'regulator/topic/max14577', 'regulator/topic/max77693', 'regulator/topic/mc13892', 'regulator/topic/pcf50633' and 'regulator/topic/pfuze100' into regulator-linus
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Fix the following checkpatch error and warning:
ERROR: switch and case should be at the same indent
#311: FILE: drivers/regulator/pfuze100-regulator.c:311:
+ switch (value & 0x0f) {
[...]
+ case 0x8:
[...]
+ case 0x0:
[...]
+ default:
WARNING: line over 80 characters
#312: FILE: drivers/regulator/pfuze100-regulator.c:312:
+ /* Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 as ID=8 */
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Linux 3.13-rc4
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Make PFUZE100 entry consistent with other Freescale PMIC entries, so that now
we can have:
<*> Freescale MC13783 regulator driver
<*> Freescale MC13892 regulator driver
<*> Freescale PFUZE100 regulator driver
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Robin Gong <yibin.gong@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Use devm_regulator_register() to make cleanup paths simpler,
and remove unnecessary remove().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Change the device name of the regulator function to the one chosen for
MODULE_ALIAS. This fixes kernel auto-module loading for the regulator function.
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>
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Fix the following checkpatch warnings.
WARNING: Avoid unnecessary line continuations
WARNING: line over 80 characters
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Add missing .owner field in regulator_desc, which is used for refcounting.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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MAX14577 chip is a multi-function device which includes MUIC,
charger and voltage regulator. The driver is located in drivers/mfd.
This patch adds regulator driver for MAX14577 chip. There are two
regulators in this chip:
1. Safeout LDO with constant voltage output of 4.9V. It can be only
enabled or disabled.
2. Current regulator for the charger. It provides current from 90mA up
to 950mA.
Driver supports Device Tree.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Both num_regulators and **rdev are no longer required after this conversion,
thus remove them from struct lp3972.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Both num_regulators and **rdev are no longer required after this conversion,
thus remove them from struct lp3971.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Since essentially all GPIO controlled regulators are voltage regulators
make the regulator-type property optional, defaulting to voltage.
Signed-off-by: Mark Brown <broonie@linaro.org>
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Use devm_regulator_register() to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'regulator/fix/s5m8767', 'regulator/topic/ab8500', 'regulator/topic/act8865', 'regulator/topic/anatop', 'regulator/topic/arizona' and 'regulator/topic/as3722' into regulator-linus
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