diff options
Diffstat (limited to 'drivers/regulator/irq_helpers.c')
| -rw-r--r-- | drivers/regulator/irq_helpers.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/regulator/irq_helpers.c b/drivers/regulator/irq_helpers.c index 5ab1a0befe12..0aa188b2bbb2 100644 --- a/drivers/regulator/irq_helpers.c +++ b/drivers/regulator/irq_helpers.c @@ -333,7 +333,7 @@ static void init_rdev_errors(struct regulator_irq *h) * IRQ. * @rdev_amount: Amount of regulators associated with this IRQ. * - * Return: handle to irq_helper or an ERR_PTR() encoded error code. + * Return: handle to irq_helper or an ERR_PTR() encoded negative error number. */ void *regulator_irq_helper(struct device *dev, const struct regulator_irq_desc *d, int irq, @@ -404,16 +404,21 @@ EXPORT_SYMBOL_GPL(regulator_irq_helper_cancel); /** * regulator_irq_map_event_simple - regulator IRQ notification for trivial IRQs * - * @irq: Number of IRQ that occurred - * @rid: Information about the event IRQ indicates - * @dev_mask: mask indicating the regulator originating the IRQ + * @irq: Number of IRQ that occurred. + * @rid: Information about the event IRQ indicates. + * The function fills in the ®ulator_err_state->notifs + * and ®ulator_err_state->errors fields of + * ®ulator_irq_data->states as output. + * @dev_mask: mask indicating the regulator originating the IRQ. * * Regulators whose IRQ has single, well defined purpose (always indicate * exactly one event, and are relevant to exactly one regulator device) can - * use this function as their map_event callbac for their regulator IRQ - * notification helperk. Exactly one rdev and exactly one error (in + * use this function as their map_event callback for their regulator IRQ + * notification helper. Exactly one rdev and exactly one error (in * "common_errs"-field) can be given at IRQ helper registration for * regulator_irq_map_event_simple() to be viable. + * + * Return: 0. */ int regulator_irq_map_event_simple(int irq, struct regulator_irq_data *rid, unsigned long *dev_mask) |