LED_BLINK_CTRL
ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, LED_BLINK_CTRL(index),
ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, LED_BLINK_CTRL(index),
blink = phy_read_mmd(phydev, MDIO_MMD_VEND2, LED_BLINK_CTRL(index));
ret = phy_modify_mmd(phydev, MDIO_MMD_VEND2, LED_BLINK_CTRL(index),