phy: core: Fixup return value of phy_exit when !pm_runtime_enabled

When phy_pm_runtime_get_sync() returns -ENOTSUPP, phy_exit() also returns -ENOTSUPP if !phy->ops->exit. Fix it.
Also move the code to override ret close to the code we got ret. I think it is less error prone this way.

Signed-off-by Axel Lin <[email protected]>

---
 drivers/phy/phy-core.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

drivers/phy/phy-core.c +3 -4

index a12d353..250dc6c 100644
@@ -223,6 +223,7 @@ int phy_init(struct phy *phy)
 	ret = phy_pm_runtime_get_sync(phy);
 	if (ret < 0 && ret != -ENOTSUPP)
 		return ret;
+	ret = 0; /* Override possible ret == -ENOTSUPP */
 
 	mutex_lock(&phy->mutex);
 	if (phy->init_count == 0 && phy->ops->init) {

@@ -231,8 +232,6 @@ int phy_init(struct phy *phy)
 			dev_err(&phy->dev, "phy init failed --> %d\n", ret);
 			goto out;
 		}
-	} else {
-		ret = 0; /* Override possible ret == -ENOTSUPP */
 	}
 	++phy->init_count;
 

@@ -253,6 +252,7 @@ int phy_exit(struct phy *phy)
 	ret = phy_pm_runtime_get_sync(phy);
 	if (ret < 0 && ret != -ENOTSUPP)
 		return ret;
+	ret = 0; /* Override possible ret == -ENOTSUPP */
 
 	mutex_lock(&phy->mutex);
 	if (phy->init_count == 1 && phy->ops->exit) {

@@ -287,6 +287,7 @@ int phy_power_on(struct phy *phy)
 	ret = phy_pm_runtime_get_sync(phy);
 	if (ret < 0 && ret != -ENOTSUPP)
 		return ret;
+	ret = 0; /* Override possible ret == -ENOTSUPP */
 
 	mutex_lock(&phy->mutex);
 	if (phy->power_count == 0 && phy->ops->power_on) {

@@ -295,8 +296,6 @@ int phy_power_on(struct phy *phy)
 			dev_err(&phy->dev, "phy poweron failed --> %d\n", ret);
 			goto out;
 		}
-	} else {
-		ret = 0; /* Override possible ret == -ENOTSUPP */
 	}
 	++phy->power_count;
 	mutex_unlock(&phy->mutex);