diff options
Diffstat (limited to 'drivers/pinctrl/core.c')
| -rw-r--r-- | drivers/pinctrl/core.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 4bdbf6bb26e2..9046292d1360 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1530,6 +1530,35 @@ void pinctrl_unregister_mappings(const struct pinctrl_map *map) } EXPORT_SYMBOL_GPL(pinctrl_unregister_mappings); +static void devm_pinctrl_unregister_mappings(void *maps) +{ + pinctrl_unregister_mappings(maps); +} + +/** + * devm_pinctrl_register_mappings() - Resource managed pinctrl_register_mappings() + * @dev: device for which mappings are registered + * @maps: the pincontrol mappings table to register. Note the pinctrl-core + * keeps a reference to the passed in maps, so they should _not_ be + * marked with __initdata. + * @num_maps: the number of maps in the mapping table + * + * Returns: 0 on success, or negative errno on failure. + */ +int devm_pinctrl_register_mappings(struct device *dev, + const struct pinctrl_map *maps, + unsigned int num_maps) +{ + int ret; + + ret = pinctrl_register_mappings(maps, num_maps); + if (ret) + return ret; + + return devm_add_action_or_reset(dev, devm_pinctrl_unregister_mappings, (void *)maps); +} +EXPORT_SYMBOL_GPL(devm_pinctrl_register_mappings); + /** * pinctrl_force_sleep() - turn a given controller device into sleep state * @pctldev: pin controller device |