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path: root/drivers/base/power
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Diffstat (limited to 'drivers/base/power')
-rw-r--r--drivers/base/power/opp/core.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c
index 4c7c6da7a989..2824d3a5e9f0 100644
--- a/drivers/base/power/opp/core.c
+++ b/drivers/base/power/opp/core.c
@@ -1316,7 +1316,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_put_prop_name);
* that this function is *NOT* called under RCU protection or in contexts where
* mutex cannot be locked.
*/
-int dev_pm_opp_set_regulator(struct device *dev, const char *name)
+struct opp_table *dev_pm_opp_set_regulator(struct device *dev, const char *name)
{
struct opp_table *opp_table;
struct regulator *reg;
@@ -1354,20 +1354,20 @@ int dev_pm_opp_set_regulator(struct device *dev, const char *name)
opp_table->regulator = reg;
mutex_unlock(&opp_table_lock);
- return 0;
+ return opp_table;
err:
_remove_opp_table(opp_table);
unlock:
mutex_unlock(&opp_table_lock);
- return ret;
+ return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(dev_pm_opp_set_regulator);
/**
* dev_pm_opp_put_regulator() - Releases resources blocked for regulator
- * @dev: Device for which regulator was set.
+ * @opp_table: OPP table returned from dev_pm_opp_set_regulator().
*
* Locking: The internal opp_table and opp structures are RCU protected.
* Hence this function internally uses RCU updater strategy with mutex locks
@@ -1375,22 +1375,12 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_regulator);
* that this function is *NOT* called under RCU protection or in contexts where
* mutex cannot be locked.
*/
-void dev_pm_opp_put_regulator(struct device *dev)
+void dev_pm_opp_put_regulator(struct opp_table *opp_table)
{
- struct opp_table *opp_table;
-
mutex_lock(&opp_table_lock);
- /* Check for existing table for 'dev' first */
- opp_table = _find_opp_table(dev);
- if (IS_ERR(opp_table)) {
- dev_err(dev, "Failed to find opp_table: %ld\n",
- PTR_ERR(opp_table));
- goto unlock;
- }
-
if (IS_ERR(opp_table->regulator)) {
- dev_err(dev, "%s: Doesn't have regulator set\n", __func__);
+ pr_err("%s: Doesn't have regulator set\n", __func__);
goto unlock;
}