openwrt/target/linux/generic/backport-5.15/733-v6.2-07-net-mtk_eth_soc-move-PHY-power-up.patch

From 6f38fffe2179dd29612aea2c67c46ed6682b4e46 Mon Sep 17 00:00:00 2001
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Date: Thu, 27 Oct 2022 14:11:08 +0100
Subject: [PATCH 06/10] 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@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
 drivers/net/ethernet/mediatek/mtk_sgmii.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

--- 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
 
 	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(str
 	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
 	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;
 }