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Currently, RK809's BUCK3 regulator is modelled in the driver as a
configurable regulator with 0.5-2.4V voltage range. But the voltage
setting is not actually applied, because when bit 6 of
PMIC_POWER_CONFIG register is set to 0 (default), BUCK3 output voltage
is determined by the external feedback resistor. Fix this, by setting
bit 6 when voltage selection is set. Existing users which do not
specify voltage constraints in their device trees will not be affected
by this change, since no voltage setting is applied in those cases,
and bit 6 is not enabled.
Signed-off-by: Mikhail Rudenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Fix rtq2208 driver uninitialized use to cause kernel error.
Fixes: 85a11f55621a ("regulator: rtq2208: Add Richtek RTQ2208 SubPMIC")
Signed-off-by: ChiYuan Huang <[email protected]>
Link: https://patch.msgid.link/00d691cfcc0eae9ce80a37b62e99851e8fdcffe2.1729829243.git.cy_huang@richtek.com
Signed-off-by: Mark Brown <[email protected]>
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This file does not compile because <linux/mfd/sm5703.h> is missing.
In KConfig, it depends on MFD_SM5703.
Both MFD_SM5703 and the missing include rely on another patch that never
got merged. The last iteration related to this patch is [1].
So remove this dead-code and undo commit e8858ba89ca3 ("regulator:
sm5703-regulator: Add regulators support for SM5703 MFD")
[1]: https://lore.kernel.org/lkml/[email protected]/
Signed-off-by: Christophe JAILLET <[email protected]>
Link: https://patch.msgid.link/0f5da91a05e7343d290c88e3c583b674cf6219ac.1725910247.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <[email protected]>
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_regulator_get() contains a lot of common code doing checks prior to the
regulator lookup and housekeeping work after the lookup. Almost all the
code could be shared with a OF-specific variant of _regulator_get().
Split out the common parts so that they can be reused. The OF-specific
version of _regulator_get() will be added in a subsequent patch.
No functional changes were made.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Some comments here are referring to a non-existent
regulator_ops::get_voltage_vsel() where ::get_voltage_sel() is meant,
and similar for ::set_voltage_vsel() / ::set_voltage_sel().
Update the comments.
Signed-off-by: André Draszik <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Use irq_get_trigger_type() to replace irq_get_irq_data() and then
irqd_get_trigger_type(), if the irq data is NULL it will return 0.
Signed-off-by: Jinjie Ruan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The behavior of regulator_dev_lookup() for non-DT way has been broken
since the commit b8c325545714 ("regulator: Move OF-specific regulator
lookup code to of_regulator.c").
Before the commit, of_get_regulator() was used to get the regulator,
which returns NULL if the regulator is not found. So the regulator
will be looked up through regulator_lookup_by_name() if no matching
regulator is found in regulator_map_list.
However, currently, of_regulator_dev_lookup() is used to instead of
of_get_regulator(), but the variable 'r' is set to ERR_PTR(-ENODEV)
instead of NULL if the regulator is not found. In this case, if no
regulator is found in regulator_map_list, the variable 'r' is still
ERR_PTR(-ENODEV), So regulator_dev_lookup() returns the value of 'r'
directly instead of continuing to look up the regulator through
regulator_lookup_by_name().
Fixes: b8c325545714 ("regulator: Move OF-specific regulator lookup code to of_regulator.c")
Signed-off-by: Wei Fang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Merge series from Krzysztof Kozlowski <[email protected]>:
Few cleanups (safer code), built tested. Last two patches should
probably be tested.
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Switch from rdev_get_drvdata() to container_of(), so the static
'struct max77650_regulator_desc' holding 'struct regulator_desc' can
be made const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Switch from rdev_get_drvdata() to container_of(), so the static
'struct hi6421v530_regulator_info' holding 'struct regulator_desc' can
be made const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The hi6421v530_regulator_info.eco_microamp is assigned once and never
used again.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
regulator_desc), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
pfuze_regulator), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
pcap_regulator), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
regulator_desc), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
regulator_desc), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The max77826_regulator_info.rdesc is assigned once and never used again.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
tps_driver_data), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
hi6421_spmi_reg_info), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
hi6421_regulator_info), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulator description (struct
da9121_range), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with device variant description
(struct da9063_dev_model), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulators description (struct
da9055_regulator_info), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Driver does not modify static data with regulators description (struct
da9052_regulator_info), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Fixed some confusing typographical errors:
comptabile->compatible,
asignment->assignment,
Verison->Version,
meansurement->measurement,
offets->offsets.
Signed-off-by: Yu Jiaoliang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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'struct regulator_desc' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
4974 736 16 5726 165e drivers/regulator/tps6287x-regulator.o
After:
=====
text data bss dec hex filename
5294 416 16 5726 165e drivers/regulator/tps6287x-regulator.o
--
Compile tested only
Signed-off-by: Christophe JAILLET <[email protected]>
Link: https://patch.msgid.link/7727e493490d37775a653905dfe0cc1d8478f8e0.1725908163.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <[email protected]>
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'struct regulator_desc' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
4419 2512 0 6931 1b13 drivers/regulator/wm8400-regulator.o
After:
=====
text data bss dec hex filename
6307 624 0 6931 1b13 drivers/regulator/wm8400-regulator.o
--
Compile tested only
Signed-off-by: Christophe JAILLET <[email protected]>
Link: https://patch.msgid.link/fde33ecfd9bbdbdc1da1620c9f3b1b7a72f9d805.1725906876.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <[email protected]>
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'struct regulator_desc' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
13982 2118 16 16116 3ef4 drivers/regulator/da9211-regulator.o
After:
=====
text data bss dec hex filename
14622 1478 16 16116 3ef4 drivers/regulator/da9211-regulator.o
--
Compile tested only
Signed-off-by: Christophe JAILLET <[email protected]>
Link: https://patch.msgid.link/54258bfe11112d70d2f1eb1deda2791eb9ef99c1.1725784852.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <[email protected]>
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'struct regulator_desc' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
3516 5320 32 8868 22a4 drivers/regulator/mp5416.o
After:
=====
text data bss dec hex filename
8508 320 32 8860 229c drivers/regulator/mp5416.o
--
Compile tested only
Signed-off-by: Christophe JAILLET <[email protected]>
Link: https://patch.msgid.link/fd8d1307f211ec7754f46b6678c04309556003bc.1725807320.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <[email protected]>
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Merge series from Andre Przywara <[email protected]>:
This is remainder of the AXP717 fix series, containing support for the
boost regulator. This is meant to increase the battery voltage to the 5
volts required to provide the USB VBUS power.
It's the usual trinity of DT bindings patch (1/3), the MFD part
describing the PMIC registers (2/3) and the final patch to model the
regulator (3/3).
Compared to v2, this drops the merged patches, and just retains the
boost related parts. It also changes the internal name of the register
to AXP717_MODULE_EN_CONTROL_2, since there is another control register
we will need later for battery support.
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The AXP717 also contains an adjustable boost regulator, to provide the
5V USB VBUS rail when running on battery.
Add the regulator description that states the voltage range this
regulator can cover.
Signed-off-by: Andre Przywara <[email protected]>
Reviewed-by: John Watts <[email protected]>
Reviewed-by: Chen-Yu Tsai <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Refactor of_get_*regulator() to decrease indentation and increase readability.
No functional changes intended.
Signed-off-by: Andy Shevchenko <[email protected]>
Reviewed-by: Chen-Yu Tsai <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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There's still a bit of OF-specific code in the regulator device lookup
function.
Move those bits of code over to of_regulator.c, and create a new
function of_regulator_dev_lookup() to encapsulate the code moved out of
regulator_dev_lookup().
Also mark of_find_regulator_by_node() as static, since there are no
other users in other compile units.
There are no functional changes. A line alignment was also fixed.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Previous commits cleaning up kerneldoc used the term "negative error
number" to refer to error condition return values. Update remaining
instances of other terminology such as "error code" or "errno" as
well so the whole regulator subsystem is unified.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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of_regulator_bulk_get_all() has a comment section that pretty much
resembles a kerneldoc block, except that the block begins with "/*"
instead of "/**".
Fix that and also rework the "Return" section and the error code
terminology so that it is the same as the other kerneldoc blocks
in the same file.
Fixes: 27b9ecc7a9ba ("regulator: Add of_regulator_bulk_get_all")
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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kernel-doc complains about missing "Return" section for the function
regulator_irq_map_event_simple().
Add a "Return" section for it based on its behavior. The function
actually always returns 0, but fills in fields in its @rid parameter as
needed. Expand the description of the parameter to cover this.
While at it fix a typo found in the description of the same function.
Reported-by: Matti Vaittinen <[email protected]>
Closes: https://lore.kernel.org/all/[email protected]/
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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kernel-doc complains about missing "Return" section for the function
regulator_register_always_on().
Add a "Return" section for it based on its behavior.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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kernel-doc complains about missing "Return" section for kerneldoc of
of_get_fixed_voltage_config(). The kerneldoc has a description
about the return values, just not in the format kernel-doc wants.
Convert it to use the proper "Return:" section header. The existing
description have been reworded and moved around to fit the grammar and
formatting.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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kernel-doc complains about missing "Return" section for many documented
functions in the regulator OF-specific code. These all have descriptions
about the return values, just not in the format kernel-doc wants.
Convert these to use the proper "Return:" section header. The existing
descriptions have been reworded and moved around to fit the grammar and
formatting.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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kernel-doc complains about missing "Return" section for many documented
functions in the regulator core. Some with free-form return value
descriptions have been fixed in the previous patch. The remaining are
completely missing any mention of return values.
Add "Return" sections to these kerneldoc blocks with basic descriptions.
In a few cases where the functions don't call even more functions and
the error numbers are known, those are documented in detail.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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kernel-doc complains about missing "Return" section for many documented
functions in the regulator core. Many of them actually have descriptions
about the return values, just not in the format kernel-doc wants.
Convert these to use the proper "Return:" section header. The existing
descriptions have been reworded and moved around to fit the grammar and
formatting.
In a few cases where the functions don't call even more functions
and the error numbers are known, those are documented in detail.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The kerneldoc for regulator_is_supported_voltage() states that the
return value is a boolean. That is not correct, as it could return an
error number if the check failed.
Fix the description by expanding it to cover the valid return values and
error conditions. The description is also converted to a proper "Return"
section.
Fixes: c5f3939b8fe0 ("regulator: core: Support fixed voltages in regulator_is_supported_voltage()")
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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kernel-doc complains that _regulator_check_status_enabled() is missing a
short description.
Since the current description is already quite short, just trim it a bit
more and use it as the short description.
Fixes: f7d7ad42a9dc ("regulator: Allow regulators to verify enabled during enable()")
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Use of_property_read_bool() to read boolean properties rather than
of_find_property(). This is part of a larger effort to remove callers
of of_find_property() and similar functions. of_find_property() leaks
the DT property pointer which is a problem for dynamically allocated
nodes which may be freed.
Signed-off-by: Rob Herring (Arm) <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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There's no need to check for presence of "qcom,saw-reg" before parsing
it. If the property doesn't exist, parsing it will return NULL.
Signed-off-by: Rob Herring (Arm) <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Merge series from Chen-Yu Tsai <[email protected]>:
Here are some cleanups for some bits that I saw while reworking my I2C
device tree component prober to use of_regulator_bulk_get_all().
These are not directly related to that series, so I send them
separately here.
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Allocate the memory with scoped/cleanup.h to reduce error handling (less
error paths) and make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Currently in of_regulator_bulk_get_all(), if any regulator request
fails, the error path releases all regulators already requested,
but leaves the |struct regulator_bulk_data| memory to the caller
to free, and also leaves the regulator consumer pointers dangling.
The latter behavior is not documented, and may not be what the
caller is expecting.
Instead, explicitly clean up everything on error, and make it clear
that the result pointer is only update if the whole request succeeds.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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If regulator_get() in of_regulator_bulk_get_all() returns an error, that
error gets overridden and -EINVAL is always passed out. This masks probe
deferral requests and likely won't work properly in all cases.
Fix this by letting of_regulator_bulk_get_all() return the original
error code.
Fixes: 27b9ecc7a9ba ("regulator: Add of_regulator_bulk_get_all")
Signed-off-by: Chen-Yu Tsai <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The original error message simply said "get() with no identifier"
without any context as to what was requested or what device the
request was related to. The only thing the user or developer could
do was grep for the message in the full source tree.
Amend the error message to be more specific, and also use dev_*
to associate the error message with a device.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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