netdev - [PATCH net-next 07/11] net: mtk_eth

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Message-Id: <E1oo2f6-00HF8E-8U@rmk-PC.armlinux.org.uk>
Date:   Thu, 27 Oct 2022 14:11:08 +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 07/11] net: mtk_eth_soc: move PHY power up

The PHY power up is common to both configuration paths, so move it into
the parent function. We need to do this for all serdes modes.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/mediatek/mtk_sgmii.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c
index d26a0ba2e47b..63b25574caac 100644
--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
@@ -45,9 +45,6 @@ static void mtk_pcs_setup_mode_an(struct mtk_pcs *mpcs)
 
 	regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1,
 			   SGMII_AN_RESTART, SGMII_AN_RESTART);
-
-	regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL,
-			   SGMII_PHYA_PWD, 0);
 }
 
 /* For 1000BASE-X and 2500BASE-X interface modes, which operate at a
@@ -72,10 +69,6 @@ static void mtk_pcs_setup_mode_force(struct mtk_pcs *mpcs,
 	regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE,
 			   SGMII_IF_MODE_MASK & ~SGMII_DUPLEX_FULL,
 			   SGMII_SPEED_1000);
-
-	/* Release PHYA power down state */
-	regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL,
-			   SGMII_PHYA_PWD, 0);
 }
 
 static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode,
@@ -91,6 +84,10 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode,
 	else if (phylink_autoneg_inband(mode))
 		mtk_pcs_setup_mode_an(mpcs);
 
+	/* Release PHYA power down state */
+	regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL,
+			   SGMII_PHYA_PWD, 0);
+
 	return 0;
 }
 
-- 
2.30.2