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authorDmitry Osipenko <digetx@gmail.com>2021-01-18 03:55:20 +0300
committerViresh Kumar <viresh.kumar@linaro.org>2021-02-02 10:27:30 +0530
commita3c47af6942dc8e07a4328913d0263a965786895 (patch)
tree1c9d0ff43b4c669d3e40882f1444090e84da8eae /drivers/opp
parent559fef0dfd91145b59b7c61061504f344ecf9ad8 (diff)
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.c34
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;