openwrt/target/linux/generic/pending-6.6/720-09-net-phy-realtek-clear-1000Base-T-link-partner-advert.patch
Daniel Golle 69906789e0 generic: net: phy: realtek: various improvements
Follow the advise of Russell King allows to greatly improve the driver
for RealTek's 1G and 2.5G Ethernet PHYs. The results are full/half
duplex as well as Gbit master/slave property being read from PHY
Specific Status Register (PHYSR), and fixes regarding link-partner
advertisement.

Fixes: #14504
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2024-10-09 02:36:22 +01:00

29 lines
981 B
Diff

From 8b137d1e405dc90300ba577db44c70f0e026636e Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 8 Oct 2024 21:09:19 +0100
Subject: [PATCH 3/3] net: phy: realtek: clear 1000Base-T link partner
advertisement
Clear 1000Base-T link partner advertisement bits in Clause-45
read_status() function in case auto-negotiation is disabled or has not
been completed.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
drivers/net/phy/realtek.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -1056,6 +1056,10 @@ static int rtl822x_c45_read_status(struc
if (ret < 0)
return ret;
+ if (phydev->autoneg == AUTONEG_DISABLE ||
+ !genphy_c45_aneg_done(phydev))
+ mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+
/* Vendor register as C45 has no standardized support for 1000BaseT */
if (phydev->autoneg == AUTONEG_ENABLE) {
val = phy_read_mmd(phydev, MDIO_MMD_VEND2,