diff options
Diffstat (limited to 'drivers/opp')
| -rw-r--r-- | drivers/opp/core.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 52f4a64926e6..09069a564896 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -2106,6 +2106,40 @@ void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) } EXPORT_SYMBOL_GPL(dev_pm_opp_unregister_set_opp_helper); +static void devm_pm_opp_unregister_set_opp_helper(void *data) +{ + dev_pm_opp_unregister_set_opp_helper(data); +} + +/** + * devm_pm_opp_register_set_opp_helper() - Register custom set OPP helper + * @dev: Device for which the helper is getting registered. + * @set_opp: Custom set OPP helper. + * + * This is a resource-managed version of dev_pm_opp_register_set_opp_helper(). + * + * Return: pointer to 'struct opp_table' on success and errorno otherwise. + */ +struct opp_table * +devm_pm_opp_register_set_opp_helper(struct device *dev, + int (*set_opp)(struct dev_pm_set_opp_data *data)) +{ + struct opp_table *opp_table; + int err; + + opp_table = dev_pm_opp_register_set_opp_helper(dev, set_opp); + if (IS_ERR(opp_table)) + return opp_table; + + err = devm_add_action_or_reset(dev, devm_pm_opp_unregister_set_opp_helper, + opp_table); + if (err) + return ERR_PTR(err); + + return opp_table; +} +EXPORT_SYMBOL_GPL(devm_pm_opp_register_set_opp_helper); + static void _opp_detach_genpd(struct opp_table *opp_table) { int index; |