[v2 PATCH 3/4] phy: socionext: get optional clock by devm_clk_get_optional()

[Chunfeng Yun]

Use devm_clk_get_optional() to get optional clock

Cc: Kunihiko Hayashi <hayashi.kunih...@socionext.com>
Signed-off-by: Chunfeng Yun <chunfeng....@mediatek.com>
Reviewed-by: Kunihiko Hayashi <hayashi.kunih...@socionext.com>
---
v2: add Reviewed-by Kunihiko Hayashi
---
 drivers/phy/socionext/phy-uniphier-usb3hs.c | 10 +++-------
 drivers/phy/socionext/phy-uniphier-usb3ss.c | 10 +++-------
 2 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/phy/socionext/phy-uniphier-usb3hs.c 
b/drivers/phy/socionext/phy-uniphier-usb3hs.c
index b1b048be6166..50f379fc4e06 100644
--- a/drivers/phy/socionext/phy-uniphier-usb3hs.c
+++ b/drivers/phy/socionext/phy-uniphier-usb3hs.c
@@ -335,13 +335,9 @@ static int uniphier_u3hsphy_probe(struct platform_device 
*pdev)
        if (IS_ERR(priv->clk_parent))
                return PTR_ERR(priv->clk_parent);
 
-       priv->clk_ext = devm_clk_get(dev, "phy-ext");
-       if (IS_ERR(priv->clk_ext)) {
-               if (PTR_ERR(priv->clk_ext) == -ENOENT)
-                       priv->clk_ext = NULL;
-               else
-                       return PTR_ERR(priv->clk_ext);
-       }
+       priv->clk_ext = devm_clk_get_optional(dev, "phy-ext");
+       if (IS_ERR(priv->clk_ext))
+               return PTR_ERR(priv->clk_ext);
 
        priv->rst = devm_reset_control_get_shared(dev, "phy");
        if (IS_ERR(priv->rst))
diff --git a/drivers/phy/socionext/phy-uniphier-usb3ss.c 
b/drivers/phy/socionext/phy-uniphier-usb3ss.c
index 4be95679c7d8..ec231e40ef2a 100644
--- a/drivers/phy/socionext/phy-uniphier-usb3ss.c
+++ b/drivers/phy/socionext/phy-uniphier-usb3ss.c
@@ -238,13 +238,9 @@ static int uniphier_u3ssphy_probe(struct platform_device 
*pdev)
                if (IS_ERR(priv->clk))
                        return PTR_ERR(priv->clk);
 
-               priv->clk_ext = devm_clk_get(dev, "phy-ext");
-               if (IS_ERR(priv->clk_ext)) {
-                       if (PTR_ERR(priv->clk_ext) == -ENOENT)
-                               priv->clk_ext = NULL;
-                       else
-                               return PTR_ERR(priv->clk_ext);
-               }
+               priv->clk_ext = devm_clk_get_optional(dev, "phy-ext");
+               if (IS_ERR(priv->clk_ext))
+                       return PTR_ERR(priv->clk_ext);
 
                priv->rst = devm_reset_control_get_shared(dev, "phy");
                if (IS_ERR(priv->rst))
-- 
2.21.0