[PATCH v4 08/16] net: dwmac-rk: Use helper rgmii_clock

[Jan Petrous via B4 Relay <devnull+jan.petrous.oss.nxp.com@xxxxxxxxxx>]

From: "Jan Petrous (OSS)" <jan.petrous@xxxxxxxxxxx>

Utilize a new helper function rgmii_clock().

Signed-off-by: Jan Petrous (OSS) <jan.petrous@xxxxxxxxxxx>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 30 ++++++--------------------
 1 file changed, 6 insertions(+), 24 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 50073bdade46..2fd650b3bc5c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -1079,20 +1079,11 @@ static void rk3568_set_gmac_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct clk *clk_mac_speed = bsp_priv->clks[RK_CLK_MAC_SPEED].clk;
 	struct device *dev = &bsp_priv->pdev->dev;
-	unsigned long rate;
+	long rate;
 	int ret;
 
-	switch (speed) {
-	case 10:
-		rate = 2500000;
-		break;
-	case 100:
-		rate = 25000000;
-		break;
-	case 1000:
-		rate = 125000000;
-		break;
-	default:
+	rate = rgmii_clock(speed);
+	if (rate < 0) {
 		dev_err(dev, "unknown speed value for GMAC speed=%d", speed);
 		return;
 	}
@@ -1540,20 +1531,11 @@ static void rv1126_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 {
 	struct clk *clk_mac_speed = bsp_priv->clks[RK_CLK_MAC_SPEED].clk;
 	struct device *dev = &bsp_priv->pdev->dev;
-	unsigned long rate;
+	long rate;
 	int ret;
 
-	switch (speed) {
-	case 10:
-		rate = 2500000;
-		break;
-	case 100:
-		rate = 25000000;
-		break;
-	case 1000:
-		rate = 125000000;
-		break;
-	default:
+	rate = rgmii_clock(speed);
+	if (rate < 0) {
 		dev_err(dev, "unknown speed value for RGMII speed=%d", speed);
 		return;
 	}

-- 
2.46.0