From: Aleksander Jan Bajkowski <olek2@xxxxx> [ Upstream commit 3545454c7801e391b0d966f82c98614d45394770 ] Exclude RMII from modes that report 1 GbE support. Reduced MII supports up to 100 MbE. Fixes: 14fceff4771e ("net: dsa: Add Lantiq / Intel DSA driver for vrx200") Signed-off-by: Aleksander Jan Bajkowski <olek2@xxxxx> Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Link: https://lore.kernel.org/r/20210107195818.3878-1-olek2@xxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/dsa/lantiq_gswip.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1436,11 +1436,12 @@ static void gswip_phylink_validate(struc phylink_set(mask, Pause); phylink_set(mask, Asym_Pause); - /* With the exclusion of MII and Reverse MII, we support Gigabit, - * including Half duplex + /* With the exclusion of MII, Reverse MII and Reduced MII, we + * support Gigabit, including Half duplex */ if (state->interface != PHY_INTERFACE_MODE_MII && - state->interface != PHY_INTERFACE_MODE_REVMII) { + state->interface != PHY_INTERFACE_MODE_REVMII && + state->interface != PHY_INTERFACE_MODE_RMII) { phylink_set(mask, 1000baseT_Full); phylink_set(mask, 1000baseT_Half); }