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| author |   Marek Vasut <marex@denx.de> | 2019-12-20 17:44:49 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2020-01-14 15:50:31 +0000 |
| commit | b059b7e0ec3208ff1e17cff6387d75a9fbab4e02 (patch) | |
| tree | 04d50f084e0daf4d4f648d9870aa2ded3dc5d6bd /drivers/regulator/helpers.c | |
| parent | Linux 5.5-rc1 (diff) | |
| download | linux-dev-b059b7e0ec3208ff1e17cff6387d75a9fbab4e02.tar.xz linux-dev-b059b7e0ec3208ff1e17cff6387d75a9fbab4e02.zip | |
regulator: core: Add regulator_is_equal() helper
Add regulator_is_equal() helper to compare whether two regulators are
the same. This is useful for checking whether two separate regulators
in a driver are actually the same supply.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Igor Opaniuk <igor.opaniuk@toradex.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Link: https://lore.kernel.org/r/20191220164450.1395038-1-marex@denx.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/helpers.c')
| -rw-r--r-- | drivers/regulator/helpers.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c index ca3dc3f3bb29..bb16c465426e 100644 --- a/drivers/regulator/helpers.c +++ b/drivers/regulator/helpers.c @@ -13,6 +13,8 @@ #include <linux/regulator/driver.h> #include <linux/module.h> +#include "internal.h" + /** * regulator_is_enabled_regmap - standard is_enabled() for regmap users * @@ -881,3 +883,15 @@ void regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers, consumers[i].supply = supply_names[i]; } EXPORT_SYMBOL_GPL(regulator_bulk_set_supply_names); + +/** + * regulator_is_equal - test whether two regulators are the same + * + * @reg1: first regulator to operate on + * @reg2: second regulator to operate on + */ +bool regulator_is_equal(struct regulator *reg1, struct regulator *reg2) +{ + return reg1->rdev == reg2->rdev; +} +EXPORT_SYMBOL_GPL(regulator_is_equal); |