diff options
| -rw-r--r-- | drivers/pwm/core.c | 17 | ||||
| -rw-r--r-- | include/linux/pwm.h | 5 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index ba34c7d89042..27cd58d16881 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -586,6 +586,23 @@ void pwm_add_table(struct pwm_lookup *table, size_t num) } /** + * pwm_remove_table() - unregister PWM device consumers + * @table: array of consumers to unregister + * @num: number of consumers in table + */ +void pwm_remove_table(struct pwm_lookup *table, size_t num) +{ + mutex_lock(&pwm_lookup_lock); + + while (num--) { + list_del(&table->list); + table++; + } + + mutex_unlock(&pwm_lookup_lock); +} + +/** * pwm_get() - look up and request a PWM device * @dev: device for PWM consumer * @con_id: consumer name diff --git a/include/linux/pwm.h b/include/linux/pwm.h index e90628cac8fa..cfe2d8df5be0 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -290,10 +290,15 @@ struct pwm_lookup { #if IS_ENABLED(CONFIG_PWM) void pwm_add_table(struct pwm_lookup *table, size_t num); +void pwm_remove_table(struct pwm_lookup *table, size_t num); #else static inline void pwm_add_table(struct pwm_lookup *table, size_t num) { } + +static inline void pwm_remove_table(struct pwm_lookup *table, size_t num) +{ +} #endif #ifdef CONFIG_PWM_SYSFS |