From: Heiner Kallweit hkallweit1@gmail.com
[ 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@baylibre.com Signed-off-by: Heiner Kallweit hkallweit1@gmail.com Link: https://lore.kernel.org/r/84432fe4-0be4-bc82-4e5c-557206b40f56@gmail.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 5e41658b1e2fa..a6015cd03bff8 100644 --- a/drivers/net/phy/meson-gxl.c +++ b/drivers/net/phy/meson-gxl.c @@ -261,6 +261,8 @@ static struct phy_driver meson_gxl_phy[] = { .handle_interrupt = meson_gxl_handle_interrupt, .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",