target/linux/generic/pending-5.15/724-net-phy-realtek-use-genphy_soft_reset-for-2.5G-PHYs.patch

   1 From 85cd45580f5e3b26068cccb7d6173f200e754dc0 Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Sun, 2 Apr 2023 23:56:16 +0100
   4 Subject: [PATCH 1/2] net: phy: realtek: use genphy_soft_reset for 2.5G PHYs
   5
   6 Some vendor bootloaders do weird things with those PHYs which result in
   7 link modes being reported wrongly. Start from a clean sheet by resetting
   8 the PHY.
   9
  10 Reported-by: Yevhen Kolomeiko <jarvis2709@gmail.com>
  11 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  12 ---
  13  drivers/net/phy/realtek.c | 6 ++++++
  14  1 file changed, 6 insertions(+)
  15
  16 --- a/drivers/net/phy/realtek.c
  17 +++ b/drivers/net/phy/realtek.c
  18 @@ -1013,6 +1013,7 @@ static struct phy_driver realtek_drvs[]
  19                 .write_page     = rtl821x_write_page,
  20                 .read_mmd       = rtl822x_read_mmd,
  21                 .write_mmd      = rtl822x_write_mmd,
  22 +               .soft_reset     = genphy_soft_reset,
  23         }, {
  24                 PHY_ID_MATCH_EXACT(0x001cc840),
  25                 .name           = "RTL8226B_RTL8221B 2.5Gbps PHY",
  26 @@ -1025,6 +1026,7 @@ static struct phy_driver realtek_drvs[]
  27                 .write_page     = rtl821x_write_page,
  28                 .read_mmd       = rtl822x_read_mmd,
  29                 .write_mmd      = rtl822x_write_mmd,
  30 +               .soft_reset     = genphy_soft_reset,
  31         }, {
  32                 PHY_ID_MATCH_EXACT(0x001cc838),
  33                 .name           = "RTL8226-CG 2.5Gbps PHY",
  34 @@ -1035,6 +1037,7 @@ static struct phy_driver realtek_drvs[]
  35                 .resume         = rtlgen_resume,
  36                 .read_page      = rtl821x_read_page,
  37                 .write_page     = rtl821x_write_page,
  38 +               .soft_reset     = genphy_soft_reset,
  39         }, {
  40                 PHY_ID_MATCH_EXACT(0x001cc848),
  41                 .name           = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
  42 @@ -1045,6 +1048,7 @@ static struct phy_driver realtek_drvs[]
  43                 .resume         = rtlgen_resume,
  44                 .read_page      = rtl821x_read_page,
  45                 .write_page     = rtl821x_write_page,
  46 +               .soft_reset     = genphy_soft_reset,
  47         }, {
  48                 PHY_ID_MATCH_EXACT(0x001cc849),
  49                 .name           = "RTL8221B-VB-CG 2.5Gbps PHY",
  50 @@ -1056,6 +1060,7 @@ static struct phy_driver realtek_drvs[]
  51                 .resume         = rtlgen_resume,
  52                 .read_page      = rtl821x_read_page,
  53                 .write_page     = rtl821x_write_page,
  54 +               .soft_reset     = genphy_soft_reset,
  55         }, {
  56                 PHY_ID_MATCH_EXACT(0x001cc84a),
  57                 .name           = "RTL8221B-VM-CG 2.5Gbps PHY",
  58 @@ -1067,6 +1072,7 @@ static struct phy_driver realtek_drvs[]
  59                 .resume         = rtlgen_resume,
  60                 .read_page      = rtl821x_read_page,
  61                 .write_page     = rtl821x_write_page,
  62 +               .soft_reset     = genphy_soft_reset,
  63         }, {
  64                 PHY_ID_MATCH_EXACT(0x001cc961),
  65                 .name           = "RTL8366RB Gigabit Ethernet",