AR9331_SW_REG_PORT_STATUS
ret = regmap_write(regmap, AR9331_SW_REG_PORT_STATUS(port), 0);
ret = regmap_update_bits(regmap, AR9331_SW_REG_PORT_STATUS(dp->index),
ret = regmap_update_bits(regmap, AR9331_SW_REG_PORT_STATUS(port),
ret = regmap_update_bits(regmap, AR9331_SW_REG_PORT_STATUS(port),