netdev - [PATCH net-next 08/11] net: mtk_eth_soc: move interface speed selection

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Message-Id: <E1oo2fB-00HF8K-CV@rmk-PC.armlinux.org.uk>
Date:   Thu, 27 Oct 2022 14:11:13 +0100
From:   "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Frank Wunderlich <frank-w@...lic-files.de>
Cc:     Eric Dumazet <edumazet@...gle.com>, Felix Fietkau <nbd@....name>,
        John Crispin <john@...ozen.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
        Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH net-next 08/11] 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@...linux.org.uk>
---
 drivers/net/ethernet/mediatek/mtk_sgmii.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c
index 63b25574caac..c590d5847e2e 100644
--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
+++ b/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)
-- 
2.30.2