phy: core: Fixup return value of phy_exit when !pm_runtime_enabled
authorAxel Lin <axel.lin@ingics.com>
Fri, 6 Mar 2015 07:55:10 +0000 (15:55 +0800)
committerKishon Vijay Abraham I <kishon@ti.com>
Fri, 13 Mar 2015 11:44:38 +0000 (17:14 +0530)
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 <axel.lin@ingics.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
drivers/phy/phy-core.c

index 04fc84f2b289907243113e7e0d697cd2411b4e52..3791838f4bd4b14e145dd5718a3030c4b89d9f3b 100644 (file)
@@ -225,6 +225,7 @@ 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) {
@@ -233,8 +234,6 @@ 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;
 
@@ -255,6 +254,7 @@ 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) {
@@ -289,6 +289,7 @@ 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) {
@@ -297,8 +298,6 @@ 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);