openwrt/target/linux/mediatek/patches-6.6/732-net-phy-mxl-gpy-don-t-use-SGMII-AN-if-using-phylink.patch
John Audia 3711557bdf kernel: bump 6.6 to 6.6.36
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.36

Manually rebased:
        generic/hack-6.6/765-mxl-gpy-control-LED-reg-from-DT.patch
        bcm27xx/patches-6.6/950-0536-dmaengine-dw-axi-dmac-Fixes-for-RP1.patch

Removed upstreamed:
	bmips/patches-6.6/010-v6.10-mips-bmips-BCM6358-make-sure-CBR-is-correctly-set.patch[1]

All other patches automatically rebased.

1. 7c9644a7b5

Build system: x86/64
Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3

Signed-off-by: John Audia <therealgraysky@proton.me>
2024-07-04 22:07:10 +02:00

64 lines
2.1 KiB
Diff

From a969b663c866129ed9eb217785a6574fbe826f1d Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Thu, 6 Apr 2023 23:36:50 +0100
Subject: [PATCH] net: phy: mxl-gpy: don't use SGMII AN if using phylink
MAC drivers using phylink expect SGMII in-band-status to be switched off
when attached to a PHY. Make sure this is the case also for mxl-gpy which
keeps SGMII in-band-status in case of SGMII interface mode is used.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
drivers/net/phy/mxl-gpy.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
--- a/drivers/net/phy/mxl-gpy.c
+++ b/drivers/net/phy/mxl-gpy.c
@@ -385,8 +385,11 @@ static bool gpy_2500basex_chk(struct phy
phydev->speed = SPEED_2500;
phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
- phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
- VSPEC1_SGMII_CTRL_ANEN, 0);
+
+ if (!phydev->phylink)
+ phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
+ VSPEC1_SGMII_CTRL_ANEN, 0);
+
return true;
}
@@ -437,6 +440,14 @@ static int gpy_config_aneg(struct phy_de
u32 adv;
int ret;
+ /* Disable SGMII auto-negotiation if using phylink */
+ if (phydev->phylink) {
+ ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
+ VSPEC1_SGMII_CTRL_ANEN, 0);
+ if (ret < 0)
+ return ret;
+ }
+
if (phydev->autoneg == AUTONEG_DISABLE) {
/* Configure half duplex with genphy_setup_forced,
* because genphy_c45_pma_setup_forced does not support.
@@ -559,6 +570,8 @@ static int gpy_update_interface(struct p
switch (phydev->speed) {
case SPEED_2500:
phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
+ if (phydev->phylink)
+ break;
ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
VSPEC1_SGMII_CTRL_ANEN, 0);
if (ret < 0) {
@@ -572,7 +585,7 @@ static int gpy_update_interface(struct p
case SPEED_100:
case SPEED_10:
phydev->interface = PHY_INTERFACE_MODE_SGMII;
- if (gpy_sgmii_aneg_en(phydev))
+ if (phydev->phylink || gpy_sgmii_aneg_en(phydev))
break;
/* Enable and restart SGMII ANEG for 10/100/1000Mbps link speed
* if ANEG is disabled (in 2500-BaseX mode).