From: Heiner Kallweit <hkallweit1@xxxxxxxxx>
[ Upstream commit 69ff53e4a4c9498eeed7d1441f68a1481dc69251 ]
Jerome provided the information that also the GXL internal PHY doesn't
support MMD register access and EEE. MMD reads return 0xffff, what
results in e.g. completely wrong ethtool --show-eee output.
Therefore use the MMD dummy stubs.
Fixes: d853d145ea3e ("net: phy: add an option to disable EEE advertisement")
Suggested-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
Link: https://lore.kernel.org/r/84432fe4-0be4-bc82-4e5c-557206b40f56@xxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/phy/meson-gxl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index e061dfa34ae0d..b6436e7dabbc6 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -246,6 +246,8 @@ static struct phy_driver meson_gxl_phy[] = {
.config_intr = meson_gxl_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
+ .read_mmd = genphy_read_mmd_unsupported,
+ .write_mmd = genphy_write_mmd_unsupported,
}, {
PHY_ID_MATCH_EXACT(0x01803301),
.name = "Meson G12A Internal PHY",
--
2.39.0
