net: phy: bcm7xxx: use devm_clk_get_optional_enabled to simplify the code

Use devm_clk_get_optional_enabled to simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/bcm7xxx.c

@@ -45,7 +45,6 @@
 
 struct bcm7xxx_phy_priv {
 	u64	*stats;
-	struct clk *clk;
 };
 
 static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev)
@@ -811,6 +810,7 @@ static void bcm7xxx_28nm_get_phy_stats(struct phy_device *phydev,
 static int bcm7xxx_28nm_probe(struct phy_device *phydev)
 {
 	struct bcm7xxx_phy_priv *priv;
+	struct clk *clk;
 	int ret = 0;
 
 	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
@@ -825,13 +825,9 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev)
 	if (!priv->stats)
 		return -ENOMEM;
 
-	priv->clk = devm_clk_get_optional(&phydev->mdio.dev, NULL);
-	if (IS_ERR(priv->clk))
-		return PTR_ERR(priv->clk);
-
-	ret = clk_prepare_enable(priv->clk);
-	if (ret)
-		return ret;
+	clk = devm_clk_get_optional_enabled(&phydev->mdio.dev, NULL);
+	if (IS_ERR(clk))
+		return PTR_ERR(clk);
 
 	/* Dummy read to a register to workaround an issue upon reset where the
 	 * internal inverter may not allow the first MDIO transaction to pass
@@ -844,13 +840,6 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev)
 	return ret;
 }
 
-static void bcm7xxx_28nm_remove(struct phy_device *phydev)
-{
-	struct bcm7xxx_phy_priv *priv = phydev->priv;
-
-	clk_disable_unprepare(priv->clk);
-}
-
 #define BCM7XXX_28NM_GPHY(_oui, _name)					\
 {									\
 	.phy_id		= (_oui),					\
@@ -866,7 +855,6 @@ static void bcm7xxx_28nm_remove(struct phy_device *phydev)
 	.get_strings	= bcm_phy_get_strings,				\
 	.get_stats	= bcm7xxx_28nm_get_phy_stats,			\
 	.probe		= bcm7xxx_28nm_probe,				\
-	.remove		= bcm7xxx_28nm_remove,				\
 }
 
 #define BCM7XXX_28NM_EPHY(_oui, _name)					\
@@ -882,7 +870,6 @@ static void bcm7xxx_28nm_remove(struct phy_device *phydev)
 	.get_strings	= bcm_phy_get_strings,				\
 	.get_stats	= bcm7xxx_28nm_get_phy_stats,			\
 	.probe		= bcm7xxx_28nm_probe,				\
-	.remove		= bcm7xxx_28nm_remove,				\
 	.read_mmd	= bcm7xxx_28nm_ephy_read_mmd,			\
 	.write_mmd	= bcm7xxx_28nm_ephy_write_mmd,			\
 }
@@ -908,7 +895,6 @@ static void bcm7xxx_28nm_remove(struct phy_device *phydev)
 	/* PHY_BASIC_FEATURES */					\
 	.flags		= PHY_IS_INTERNAL,				\
 	.probe		= bcm7xxx_28nm_probe,				\
-	.remove		= bcm7xxx_28nm_remove,				\
 	.config_init	= bcm7xxx_16nm_ephy_config_init,		\
 	.config_aneg	= genphy_config_aneg,				\
 	.read_status	= genphy_read_status,				\