diff options
| -rw-r--r-- | drivers/regulator/core.c | 37 | ||||
| -rw-r--r-- | include/linux/regulator/consumer.h | 8 |
2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index eb750a1ed7fe..ca86f39a0fdc 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2491,6 +2491,43 @@ err: EXPORT_SYMBOL_GPL(regulator_bulk_disable); /** + * regulator_bulk_force_disable - force disable multiple regulator consumers + * + * @num_consumers: Number of consumers + * @consumers: Consumer data; clients are stored here. + * @return 0 on success, an errno on failure + * + * This convenience API allows consumers to forcibly disable multiple regulator + * clients in a single API call. + * NOTE: This should be used for situations when device damage will + * likely occur if the regulators are not disabled (e.g. over temp). + * Although regulator_force_disable function call for some consumers can + * return error numbers, the function is called for all consumers. + */ +int regulator_bulk_force_disable(int num_consumers, + struct regulator_bulk_data *consumers) +{ + int i; + int ret; + + for (i = 0; i < num_consumers; i++) + consumers[i].ret = + regulator_force_disable(consumers[i].consumer); + + for (i = 0; i < num_consumers; i++) { + if (consumers[i].ret != 0) { + ret = consumers[i].ret; + goto out; + } + } + + return 0; +out: + return ret; +} +EXPORT_SYMBOL_GPL(regulator_bulk_force_disable); + +/** * regulator_bulk_free - free multiple regulator consumers * * @num_consumers: Number of consumers diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 889ab5aaa85b..f2698a0edfc4 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -149,6 +149,8 @@ int regulator_bulk_enable(int num_consumers, struct regulator_bulk_data *consumers); int regulator_bulk_disable(int num_consumers, struct regulator_bulk_data *consumers); +int regulator_bulk_force_disable(int num_consumers, + struct regulator_bulk_data *consumers); void regulator_bulk_free(int num_consumers, struct regulator_bulk_data *consumers); @@ -247,6 +249,12 @@ static inline int regulator_bulk_disable(int num_consumers, return 0; } +static inline int regulator_bulk_force_disable(int num_consumers, + struct regulator_bulk_data *consumers) +{ + return 0; +} + static inline void regulator_bulk_free(int num_consumers, struct regulator_bulk_data *consumers) { |