[PATCH v3 05/15] opp: Change return type of devm_pm_opp_register_set_opp_helper()

Dmitry Osipenko
2021-03-14T16:35:55Z

Make devm_pm_opp_register_set_opp_helper() to return error code instead
of opp_table pointer in order to have return type consistent with the
other resource-managed OPP helpers.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/opp/core.c | 18 ++++++------------
include/linux/pm_opp.h | 6 +++---
2 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 34b054bbb28f..4f44f02e6049 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -2295,25 +2295,19 @@ static void devm_pm_opp_unregister_set_opp_helper(void *data)
*
* 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.
+ * Return: 0 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))
+int 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 PTR_ERR(opp_table);

- return opp_table;
+ return devm_add_action_or_reset(dev, devm_pm_opp_unregister_set_opp_helper,
+ opp_table);
}
EXPORT_SYMBOL_GPL(devm_pm_opp_register_set_opp_helper);

diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 3f8894012429..865426b525a8 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -155,7 +155,7 @@ void dev_pm_opp_put_clkname(struct opp_table *opp_table);
int devm_pm_opp_set_clkname(struct device *dev, const char *name);
struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table);
-struct opp_table *devm_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
+int devm_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs);
void dev_pm_opp_detach_genpd(struct opp_table *opp_table);
struct opp_table *devm_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs);
@@ -337,11 +337,11 @@ static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device

static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {}

-static inline struct opp_table *
+static int
devm_pm_opp_register_set_opp_helper(struct device *dev,
int (*set_opp)(struct dev_pm_set_opp_data *data))
{
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
}

static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name)
--
2.30.2