phy: cadence: Sierra: Move all clk_get_*() to a separate function

No functional change. Group all devm_clk_get_optional() to a
separate function.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>

drivers/phy/cadence/phy-cadence-sierra.c

@@ -448,13 +448,44 @@ static int cdns_regmap_init_blocks(struct cdns_sierra_phy *sp,
 	return 0;
 }
 
+static int cdns_sierra_phy_get_clocks(struct cdns_sierra_phy *sp,
+				      struct udevice *dev)
+{
+	struct clk *clk;
+	int ret;
+
+	clk = devm_clk_get_optional(dev, "phy_clk");
+	if (IS_ERR(clk)) {
+		dev_err(dev, "failed to get clock phy_clk\n");
+		return PTR_ERR(clk);
+	}
+	sp->clk = clk;
+
+	clk = devm_clk_get_optional(dev, "cmn_refclk_dig_div");
+	if (IS_ERR(clk)) {
+		dev_err(dev, "cmn_refclk_dig_div clock not found\n");
+		ret = PTR_ERR(clk);
+		return ret;
+	}
+	sp->cmn_refclk = clk;
+
+	clk = devm_clk_get_optional(dev, "cmn_refclk1_dig_div");
+	if (IS_ERR(clk)) {
+		dev_err(dev, "cmn_refclk1_dig_div clock not found\n");
+		ret = PTR_ERR(clk);
+		return ret;
+	}
+	sp->cmn_refclk1 = clk;
+
+	return 0;
+}
+
 static int cdns_sierra_phy_probe(struct udevice *dev)
 {
 	struct cdns_sierra_phy *sp = dev_get_priv(dev);
 	struct cdns_sierra_data *data;
 	unsigned int id_value;
 	int ret, node = 0;
-	struct clk *clk;
 	ofnode child;
 
 	sp->dev = dev;
@@ -479,11 +510,9 @@ static int cdns_sierra_phy_probe(struct udevice *dev)
 	if (ret)
 		return ret;
 
-	sp->clk = devm_clk_get_optional(dev, "phy_clk");
-	if (IS_ERR(sp->clk)) {
-		dev_err(dev, "failed to get clock phy_clk\n");
-		return PTR_ERR(sp->clk);
-	}
+	ret = cdns_sierra_phy_get_clocks(sp, dev);
+	if (ret)
+		return ret;
 
 	sp->phy_rst = devm_reset_control_get(dev, "sierra_reset");
 	if (IS_ERR(sp->phy_rst)) {
@@ -491,22 +520,6 @@ static int cdns_sierra_phy_probe(struct udevice *dev)
 		return PTR_ERR(sp->phy_rst);
 	}
 
-	clk = devm_clk_get_optional(dev, "cmn_refclk_dig_div");
-	if (IS_ERR(clk)) {
-		dev_err(dev, "cmn_refclk clock not found\n");
-		ret = PTR_ERR(clk);
-		return ret;
-	}
-	sp->cmn_refclk = clk;
-
-	clk = devm_clk_get_optional(dev, "cmn_refclk1_dig_div");
-	if (IS_ERR(clk)) {
-		dev_err(dev, "cmn_refclk1 clock not found\n");
-		ret = PTR_ERR(clk);
-		return ret;
-	}
-	sp->cmn_refclk1 = clk;
-
 	ret = clk_prepare_enable(sp->clk);
 	if (ret)
 		return ret;