From b059b7e0ec3208ff1e17cff6387d75a9fbab4e02 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Fri, 20 Dec 2019 17:44:49 +0100 Subject: 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 Cc: Fabio Estevam Cc: Igor Opaniuk Cc: Liam Girdwood Cc: Marcel Ziswiler Cc: Mark Brown Cc: Oleksandr Suvorov Link: https://lore.kernel.org/r/20191220164450.1395038-1-marex@denx.de Signed-off-by: Mark Brown --- drivers/regulator/helpers.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/regulator') 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 #include +#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); -- cgit v1.2.3