| Commit message (Collapse) | Author | Age | Files | Lines |
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Extend the driver to support Ricoh RC5T619.
Support the additional regulators and slightly different voltage ranges.
Signed-off-by: Pierre-Hugues Husson <phh@phh.me>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/mtk', 'regulator/topic/pv88090', 'regulator/topic/pwm' and 'regulator/topic/qcom' into regulator-next
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Check return value from call to of_match_device()
in order to prevent a NULL pointer dereference.
In case of NULL print error message and return.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Check return value from call to of_match_device()
in order to prevent a NULL pointer dereference.
In case of NULL print error message and return.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The gpiod API checks for NULL descriptors, so there is no need to
duplicate the check in the driver.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This is a patch for exception handlding that the index of array is
out of bounds. And the definitions have been updated to use
proper device name.
Signed-off-by: Eric Jeong <eric.jeong.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The MT6380 is a regulator found those boards with MediaTek MT7622 SoC
It is connected as a slave to the SoC using MediaTek PMIC wrapper which
is the common interface connecting with Mediatek made various PMICs.
Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/da9063', 'regulator/topic/dt', 'regulator/topic/fan53555' and 'regulator/topic/ltc3589' into regulator-next
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i2c_device_id are not supposed to change at runtime. All functions
working with i2c_device_id provided by <linux/i2c.h> work with
const i2c_device_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The device tree nodes all correctly describe the regulators as
syr827 or syr828, but the I2C device id is currently set to the
wildcard value of syr82x in the driver. This causes udev to fail
to match the driver module with the modalias data from sysfs.
Fix this by replacing the I2C device ids with ones that match the
device tree descriptions, with syr827 and syr828. Tested on
Firefly rk3288 board. The syr82x id was not used anywhere.
Fixes: e80c47bd738b (regulator: fan53555: Export I2C module alias information)
Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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if fan53555_regulator_probe() is called and the "client->dev.of_node"
isn't NULL, it means OF registered a device with a valid compatible
string, so match cannot be NULL.
Use of_device_get_match_data() to retrieve the drvdata pointer. No
functional change intended.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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If "regl_pdata->n_regulators == 0" is true then we accidentally return
PTR_ERR(<some_valid_pointer>) instead of an error code. I've changed it
to return -ENODEV instead.
Fixes: 69ca3e58d178 ("regulator: da9063: Add Dialog DA9063 voltage regulators support.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add device tree mode mapping capabilities to the cpcap driver.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The original patch from Tony uses standby mode bit inverted, which is
not correct. This fixes all instances in the driver code for get & set
mode. This did not yet make problems, since mode has not been changed
by any mainline driver so far.
Fixes: 0ad4c07edd41 ("regulator: cpcap: Add basic regulator support")
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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and 'regulator/fix/of' into regulator-linus
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Boot fails for qcom-apq8074-dragonboard on 4.13-rc1 with error:
OF: ERROR: Bad of_node_put() on /soc/spmi@fc4cf000/pm8941@1/regulators
The error will occur if the configuration is set to:
CONFIG_OF_OVERLAY y
CONFIG_OF_UNITTEST y
CONFIG_OF_DYNAMIC y
CONFIG_OF_RESOLVE y
If CONFIG_OF_DYNAMIC is enabled then of_node_release() detects an
attempt to release a node that is still attached to the device tree.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The original patch from Tony uses standby mode bit inverted, which is
not correct. This fixes all instances in the driver code for get & set
mode. This did not yet make problems, since mode has not been changed
by any mainline driver so far.
Fixes: 0ad4c07edd41 ("regulator: cpcap: Add basic regulator support")
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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Check return value from call to devm_kzalloc()
in order to prevent a NULL pointer dereference.
This issue was detected using Coccinelle and the following semantic patch:
@@
expression x;
identifier fld;
@@
* x = devm_kzalloc(...);
... when != x == NULL
x->fld
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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A race condition between queueing and processing the disable_work
instances results in having a work instance in the queue and the
deferred_disables variable of regulator device structure having a
value '0'. If no new regulator_disable_deferred() call later from
clients, the deferred_disables variable value remains '0' and hits
BUG() in regulator_disable_work() when the queued instance scheduled
for processing the work.
The race occurs as below:
Core-0 Core-1
..... /* deferred_disables = 2 */ .....
..... /* disable_work is queued */ .....
..... .....
regulator_disable_deferred: regulator_disable_work:
mutex_lock(&rdev->mutex); .....
rdev->deferred_disables++; .....
mutex_unlock(&rdev->mutex); .....
queue_delayed_work(...) mutex_lock(&rdev->mutex);
..... count =rdev->deferred_disables;
..... rdev->deferred_disables = 0;
..... .....
..... mutex_unlock(&rdev->mutex);
..... .....
..... return;
..... .....
/* No new regulator_disable_deferred() calls from clients */
/* The newly queued instance is scheduled for processing */
..... .....
regulator_disable_work:
.....
mutex_lock(&rdev->mutex);
BUG_ON(!rdev->deferred_disables); /* deferred_disables = 0 */
The race is fixed by removing the work instance that is queued while
processing the previous queued instance. Cancel the newly queued instance
from disable_work() handler just after reset the deferred_disables variable
to value '0'. Also move the work queueing step before mutex_unlock in
regulator_disable_deferred().
Also use mod_delayed_work() in the pace of queue_delayed_work() as
queue_delayed_work() always uses the delay requested in the first call
when multiple consumers call regulator_disable_deferred() close in time
and does not guarantee the semantics of regulator_disable_deferred().
Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/tps65910' and 'regulator/topic/tps65917' into regulator-next
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App support for SMPS12 dual phase regulator.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Check TPS65910_NUM_REGS at build time instead of silently registering
not all regulators at runtime.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some regulators have different settling times for voltage increases and
decreases. To avoid a time penalty on the faster transition allow for
different settings for up- and downward transitions.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/lp8755', 'regulator/topic/lp87565', 'regulator/topic/max8997' and 'regulator/topic/palmas' into regulator-next
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Drop static on a local variable, when the variable is initialized before
any use, on every possible execution path through the function.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@bad exists@
position p;
identifier x;
type T;
@@
static T x@p;
...
x = <+...x...+>
@@
identifier x;
expression e;
type T;
position p != bad.p;
@@
-static
T x@p;
... when != x
when strict
?x = e;
// </smpl>
There is no reduction in code size in this case, but the change does reduce
the size of the bss segment, containing uninitialized static data.
before:
text data bss dec hex filename
12882 3480 8 16370 3ff2 drivers/regulator/palmas-regulator.o
after:
text data bss dec hex filename
12882 3480 0 16362 3fea drivers/regulator/palmas-regulator.o
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
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When min charger-CV is <= 4.0V and max charger-CV is >= 4.0V,
we can use 4.00V as CV (register value = 0x1).`
The original code had a typo that wrote ">=" (max_uV >= 4000000),
which should've been "<", which is not necessary anyway
as mentioned by Dan Carpenter.
Reported-By: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The latest documentation reveals that initial voltage range that is
supported is starting from 0.6V for all the PMICs belonging to lp87565
family. Fix the same.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Fixes: f0168a9bf ("regulator: lp87565: Add support for lp87565 PMIC regulators")
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix the GPL header to reflect GPL v2
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The regulators set consists of 4 BUCKs. The output
voltages are configurable and are meant to supply power to the
main processor and other components. The ramp delay is configurable
for all BUCKs. The BUCKs can be configured in single phase or
multiphase modes.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Trivial fix to spelling mistake in dev_err messages.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The hi6421v530-regulator driver consumes a similarly named platform device.
Adding that to the module device table, allows modprobe to locate this
driver once the device is created.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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add the driver for hi6421v530 voltage regulator
Signed-off-by: Wang Xiaoyin <hw.wangxiaoyin@hisilicon.com>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/bd9571mwv', 'regulator/topic/da9061' and 'regulator/topic/hi6421' into regulator-next
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The hi6421-regulator driver consumes a similarly named platform device.
Adding that to the module device table, allows modprobe to locate this
driver once the device is created.
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Regulator support for the DA9061 is added into the DA9062 regulator driver.
The regulators for DA9061 differ from those of DA9062.
A new DA9061 enumeration list for the LDOs and Bucks supported by this
device is added. Regulator information added: the old regulator
information for DA9062 is renamed from local_regulator_info[] to
local_da9062_regulator_info[] and a new array is added to support
local_da9061_regulator_info[].
The probe() function switches on the da9062_compatible_types enumeration
and configures the correct da9062_regulator_info array and number of
regulator entries.
Kconfig is updated to reflect support for DA9061 and DA9062 regulators.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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These functions are only used by this driver, make them static.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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AXP803 PMIC also have a series of regulators (DCDCs and LDOs)
controllable via I2C/RSB bus.
Add support for them.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Now the debugfs file supply_map has a size limit PAGE_SIZE and the user
can not see the whole content of regulator_map_list when it is larger
than this limit.
This patch uses seq_file instead to make sure supply_map shows the full
information of regulator_map_list.
Signed-off-by: Haishan Zhou <zhssmail@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Currently, when looking up a regulator supply, the regulator name
takes priority over the consumer mappings. As there are a lot of
regulator names that are in fairly common use (VDD, MICVDD, etc.) this
can easily lead to obtaining the wrong supply, when a system contains
two regulators that share a name.
The explicit consumer mappings contain much less ambiguity as they
specify both a name and a consumer device. As such prioritise those if
one exists and only fall back to the regulator name if there are no
matching explicit mappings.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some regulators support get_voltage() and some support get_voltage_sel()
operations but currently we only propagate changes if the regulator has
a get_voltage() operation. Also do this if we've got get_voltage_sel()
[Rewite commit message for clarity -- broonie]
Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Current code only allocates rdesc->n_voltages entries for vctrl->vtable.
Thus use rdesc->n_voltages instead of n_voltages in the for loop.
While at it, also switch to use devm_kcalloc instead of devm_kmalloc_array
+ __GFP_ZERO flag and fix the argument order.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The output voltage of a voltage controlled regulator can be controlled
through the voltage of another regulator. The current version of this
driver assumes that the output voltage is a linear function of the control
voltage.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'regulator/topic/pfuze100', 'regulator/topic/settle', 'regulator/topic/tps65132' and 'regulator/topic/twl6030' into regulator-next
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<= 1350000
It has been pointed out to me that the range for vsel = 58 is actually
dead code as this is covered by an earlier check for (min_uV >= 700000)
&& (min_uV <= 1420000) so remove that check completely.
Reported-by: Alban Auzeill <alban.auzeill@sonarsource.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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drivers/regulator/tps65132-regulator.c:274:3-8: No need to set .owner here. The core will do it.
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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TPS65132_REG_CONTROL(0xFF) is the latest valid register.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add regulator driver for the device TI TPS65132 which is single
inductor - dual output power supply device. TPS65132 device is
designed to support general positive/negative driven applications
like TFT display panels.
TPS65132 regulator driver supports to enable/disable and set voltage
on its output.
Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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