[PATCH RFC net-next v2 09/19] net: stmmac: simplify stmmac_check_pcs_mode()

["Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>]

Now that we only support one mode, simplify stmmac_check_pcs_mode().

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
 .../net/ethernet/stmicro/stmmac/stmmac_main.c   | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 414a00ab5012..94b615444734 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1086,22 +1086,23 @@ static const struct phylink_mac_ops stmmac_phylink_mac_ops = {
 static void stmmac_check_pcs_mode(struct stmmac_priv *priv)
 {
 	int interface = priv->plat->phy_interface;
+	int speed = priv->plat->mac_port_sel_speed;
 
 	if (priv->dma_cap.pcs && interface == PHY_INTERFACE_MODE_SGMII) {
 		netdev_dbg(priv->dev, "PCS SGMII support enabled\n");
 		priv->hw->pcs = STMMAC_PCS_SGMII;
-	}
-
-	/* PS and related bits will be programmed according to the speed */
-	if (priv->hw->pcs) {
-		int speed = priv->plat->mac_port_sel_speed;
 
-		if ((speed == SPEED_10) || (speed == SPEED_100) ||
-		    (speed == SPEED_1000)) {
+		switch (speed) {
+		case SPEED_10:
+		case SPEED_100:
+		case SPEED_1000:
 			priv->hw->ps = speed;
-		} else {
+			break;
+
+		default:
 			dev_warn(priv->device, "invalid port speed\n");
 			priv->hw->ps = 0;
+			break;
 		}
 	}
 }
-- 
2.47.3