openwrt/target/linux/generic/pending-6.6/724-net-phy-realtek-use-genphy_soft_reset-for-2.5G-PHYs.patch

From 85cd45580f5e3b26068cccb7d6173f200e754dc0 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Sun, 2 Apr 2023 23:56:16 +0100
Subject: [PATCH 1/2] net: phy: realtek: use genphy_soft_reset for 2.5G PHYs

Some vendor bootloaders do weird things with those PHYs which result in
link modes being reported wrongly. Start from a clean sheet by resetting
the PHY.

Reported-by: Yevhen Kolomeiko <jarvis2709@gmail.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
 drivers/net/phy/realtek.c | 6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -1218,6 +1218,7 @@ static struct phy_driver realtek_drvs[]
 	}, {
 		.name		= "RTL8226 2.5Gbps PHY",
 		.match_phy_device = rtl8226_match_phy_device,
+		.soft_reset     = genphy_soft_reset,
 		.get_features	= rtl822x_get_features,
 		.config_aneg	= rtl822x_config_aneg,
 		.read_status	= rtl822x_read_status,
@@ -1230,6 +1231,7 @@ static struct phy_driver realtek_drvs[]
 	}, {
 		PHY_ID_MATCH_EXACT(0x001cc840),
 		.name		= "RTL8226B_RTL8221B 2.5Gbps PHY",
+		.soft_reset     = genphy_soft_reset,
 		.get_features	= rtl822x_get_features,
 		.config_aneg	= rtl822x_config_aneg,
 		.config_init    = rtl822xb_config_init,
@@ -1244,6 +1246,7 @@ static struct phy_driver realtek_drvs[]
 	}, {
 		PHY_ID_MATCH_EXACT(0x001cc838),
 		.name           = "RTL8226-CG 2.5Gbps PHY",
+		.soft_reset     = genphy_soft_reset,
 		.get_features   = rtl822x_get_features,
 		.config_aneg    = rtl822x_config_aneg,
 		.read_status    = rtl822x_read_status,
@@ -1254,6 +1257,7 @@ static struct phy_driver realtek_drvs[]
 	}, {
 		PHY_ID_MATCH_EXACT(0x001cc848),
 		.name           = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
+		.soft_reset     = genphy_soft_reset,
 		.get_features   = rtl822x_get_features,
 		.config_aneg    = rtl822x_config_aneg,
 		.config_init    = rtl822xb_config_init,
@@ -1266,6 +1270,7 @@ static struct phy_driver realtek_drvs[]
 	}, {
 		.match_phy_device = rtl8221b_vb_cg_c22_match_phy_device,
 		.name           = "RTL8221B-VB-CG 2.5Gbps PHY (C22)",
+		.soft_reset     = genphy_soft_reset,
 		.get_features   = rtl822x_get_features,
 		.config_aneg    = rtl822x_config_aneg,
 		.config_init    = rtl822xb_config_init,
@@ -1278,6 +1283,7 @@ static struct phy_driver realtek_drvs[]
 	}, {
 		.match_phy_device = rtl8221b_vb_cg_c45_match_phy_device,
 		.name           = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
+		.soft_reset     = genphy_soft_reset,
 		.config_init    = rtl822xb_config_init,
 		.get_rate_matching = rtl822xb_get_rate_matching,
 		.get_features   = rtl822x_c45_get_features,
@@ -1288,6 +1294,7 @@ static struct phy_driver realtek_drvs[]
 	}, {
 		.match_phy_device = rtl8221b_vn_cg_c22_match_phy_device,
 		.name           = "RTL8221B-VM-CG 2.5Gbps PHY (C22)",
+		.soft_reset     = genphy_soft_reset,
 		.get_features   = rtl822x_get_features,
 		.config_aneg    = rtl822x_config_aneg,
 		.config_init    = rtl822xb_config_init,
@@ -1300,6 +1307,7 @@ static struct phy_driver realtek_drvs[]
 	}, {
 		.match_phy_device = rtl8221b_vn_cg_c45_match_phy_device,
 		.name           = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",
+		.soft_reset     = genphy_soft_reset,
 		.config_init    = rtl822xb_config_init,
 		.get_rate_matching = rtl822xb_get_rate_matching,
 		.get_features   = rtl822x_c45_get_features,