net: mtk_eth_soc: move interface speed selection

Move the selection of the underlying interface speed to the pcs_config
function, so we always program the interface speed.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mediatek/mtk_sgmii.c

@@ -53,14 +53,6 @@ static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs)
 static void mtk_pcs_setup_mode_force(struct mtk_pcs *mpcs,
 				     phy_interface_t interface)
 {
-	unsigned int rgc3;
-
-	if (interface == PHY_INTERFACE_MODE_2500BASEX)
-		rgc3 = RG_PHY_SPEED_3_125G;
-
-	regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3,
-			   RG_PHY_SPEED_3_125G, rgc3);
-
 	/* Disable SGMII AN */
 	regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1,
 			   SGMII_AN_ENABLE, 0);
@@ -77,6 +69,16 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode,
 			  bool permit_pause_to_mac)
 {
 	struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs);
+	unsigned int rgc3;
+
+	if (interface == PHY_INTERFACE_MODE_2500BASEX)
+		rgc3 = RG_PHY_SPEED_3_125G;
+	else
+		rgc3 = 0;
+
+	/* Configure the underlying interface speed */
+	regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3,
+			   RG_PHY_SPEED_3_125G, rgc3);
 
 	/* Setup SGMIISYS with the determined property */
 	if (interface != PHY_INTERFACE_MODE_SGMII)