generic: use genphy_soft_reset for RealTek 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>
This commit is contained in:
Daniel Golle 2023-04-03 01:20:28 +03:00
parent db37999170
commit 7e3284eef7

View File

@ -0,0 +1,65 @@
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
@@ -1013,6 +1013,7 @@ static struct phy_driver realtek_drvs[]
.write_page = rtl821x_write_page,
.read_mmd = rtl822x_read_mmd,
.write_mmd = rtl822x_write_mmd,
+ .soft_reset = genphy_soft_reset,
}, {
PHY_ID_MATCH_EXACT(0x001cc840),
.name = "RTL8226B_RTL8221B 2.5Gbps PHY",
@@ -1025,6 +1026,7 @@ static struct phy_driver realtek_drvs[]
.write_page = rtl821x_write_page,
.read_mmd = rtl822x_read_mmd,
.write_mmd = rtl822x_write_mmd,
+ .soft_reset = genphy_soft_reset,
}, {
PHY_ID_MATCH_EXACT(0x001cc838),
.name = "RTL8226-CG 2.5Gbps PHY",
@@ -1035,6 +1037,7 @@ static struct phy_driver realtek_drvs[]
.resume = rtlgen_resume,
.read_page = rtl821x_read_page,
.write_page = rtl821x_write_page,
+ .soft_reset = genphy_soft_reset,
}, {
PHY_ID_MATCH_EXACT(0x001cc848),
.name = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
@@ -1045,6 +1048,7 @@ static struct phy_driver realtek_drvs[]
.resume = rtlgen_resume,
.read_page = rtl821x_read_page,
.write_page = rtl821x_write_page,
+ .soft_reset = genphy_soft_reset,
}, {
PHY_ID_MATCH_EXACT(0x001cc849),
.name = "RTL8221B-VB-CG 2.5Gbps PHY",
@@ -1056,6 +1060,7 @@ static struct phy_driver realtek_drvs[]
.resume = rtlgen_resume,
.read_page = rtl821x_read_page,
.write_page = rtl821x_write_page,
+ .soft_reset = genphy_soft_reset,
}, {
PHY_ID_MATCH_EXACT(0x001cc84a),
.name = "RTL8221B-VM-CG 2.5Gbps PHY",
@@ -1067,6 +1072,7 @@ static struct phy_driver realtek_drvs[]
.resume = rtlgen_resume,
.read_page = rtl821x_read_page,
.write_page = rtl821x_write_page,
+ .soft_reset = genphy_soft_reset,
}, {
PHY_ID_MATCH_EXACT(0x001cc961),
.name = "RTL8366RB Gigabit Ethernet",