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openwrt/target/linux/generic/backport-6.12/781-08-v6.14-net-phy-realtek-clear-master_slave_state-if-link-is-.patch
Álvaro Fernández Rojas 81e46d2a23 generic: 6.12: sync Realtek PHY patches with upstream
- Fix order of patches (3d483a10327f was merged before 34d5a86ff7bb).
- Reorganize patch numbers now that < 6.12 patches are no longer needed.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2025-05-05 15:37:16 +02:00

36 lines
1.3 KiB
Diff

From ea8318cb33e593bbfc59d637eae45a69732c5387 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Wed, 15 Jan 2025 14:43:43 +0000
Subject: [PATCH] net: phy: realtek: clear master_slave_state if link is down
rtlgen_decode_physr() which sets master_slave_state isn't called in case
the link is down and other than rtlgen_read_status(),
rtl822x_c45_read_status() doesn't implicitely clear master_slave_state.
Avoid stale master_slave_state by always setting it to
MASTER_SLAVE_STATE_UNKNOWN in rtl822x_c45_read_status() in case the link
is down.
Fixes: 081c9c0265c9 ("net: phy: realtek: read duplex and gbit master from PHYSR register")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/phy/realtek.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -1046,8 +1046,10 @@ static int rtl822x_c45_read_status(struc
if (ret < 0)
return ret;
- if (!phydev->link)
+ if (!phydev->link) {
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
return 0;
+ }
/* Read actual speed from vendor register. */
val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL_VND2_PHYSR);