As explained in the CONFIG_DM_MDIO text inside drivers/net/Kconfig:

"Useful in particular for systems that support DM_ETH and have a stand-alone MDIO hardware block shared by multiple Ethernet interfaces."

i.MX6 has a single FEC instance, so there is no need to select CONFIG_DM_MDIO.

Signed-off-by: Fabio Estevam festevam@gmail.com --- configs/pico-imx6_defconfig | 1 - 1 file changed, 1 deletion(-)

diff --git a/configs/pico-imx6_defconfig b/configs/pico-imx6_defconfig index 2316544398..cd560ba3b8 100644 --- a/configs/pico-imx6_defconfig +++ b/configs/pico-imx6_defconfig @@ -67,7 +67,6 @@ CONFIG_FSL_USDHC=y CONFIG_PHYLIB=y CONFIG_PHY_ATHEROS=y CONFIG_DM_ETH=y -CONFIG_DM_MDIO=y CONFIG_RGMII=y CONFIG_PINCTRL=y CONFIG_PINCTRL_IMX6=y