> @@ -1014,7 +1014,13 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave,
> /* set speed_in input in case RMII mode is used in 100Mbps */
> if (phy->speed == 100)
> mac_control |= BIT(15);
> - else if (phy->speed == 10)
> +
> +
According to AM335x TRM[1] 14.3.6.2, AM437x TRM[2] 15.3.6.2 and
DRA7 TRM[3] 24.11.4.8.7.3.3, in-band mode in EXT_EN(bit18) register is only
available when PHY is configured in RGMII mode with 10Mbps speed. It will
cause some networking issues without RGMII mode, such as carrier sense
errors and low
