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| author | Dmitry Osipenko <digetx@gmail.com> | 2021-01-18 03:55:20 +0300 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2021-02-02 10:27:30 +0530 |
| commit | a3c47af6942dc8e07a4328913d0263a965786895 (patch) | |
| tree | 1c9d0ff43b4c669d3e40882f1444090e84da8eae /drivers/opp | |
| parent | 559fef0dfd91145b59b7c61061504f344ecf9ad8 (diff) | |
| download | linux-a3c47af6942dc8e07a4328913d0263a965786895.tar.bz2 | |
opp: Add devm_pm_opp_register_set_opp_helper
Add resource-managed version of dev_pm_opp_register_set_opp_helper().
Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Tested-by: Matt Merhar <mattmerhar@protonmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
[ Viresh: Manually apply the patch and relocate the routines ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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; |