[PATCH v4 07/16] net: dwmac-intel-plat: 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>
---
 .../net/ethernet/stmicro/stmmac/dwmac-intel-plat.c   | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
index d68f0c4e7835..ec62ed90a47e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
@@ -31,27 +31,15 @@ struct intel_dwmac_data {
 static void kmb_eth_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
 {
 	struct intel_dwmac *dwmac = priv;
-	unsigned long rate;
+	long rate;
 	int ret;
 
 	rate = clk_get_rate(dwmac->tx_clk);
 
-	switch (speed) {
-	case SPEED_1000:
-		rate = 125000000;
-		break;
-
-	case SPEED_100:
-		rate = 25000000;
-		break;
-
-	case SPEED_10:
-		rate = 2500000;
-		break;
-
-	default:
+	rate = rgmii_clock(speed);
+	if (rate < 0) {
 		dev_err(dwmac->dev, "Invalid speed\n");
-		break;
+		return;
 	}
 
 	ret = clk_set_rate(dwmac->tx_clk, rate);

-- 
2.46.0