DP_SEL
if (lan743x_csr_wait_for_bit_atomic(adapter, DP_SEL, DP_SEL_DPRDY_,
dp_sel = lan743x_csr_read(adapter, DP_SEL);
lan743x_csr_write(adapter, DP_SEL, dp_sel);
if (lan743x_csr_wait_for_bit_atomic(adapter, DP_SEL,
ret = lan78xx_read_reg(dev, DP_SEL, &dp_sel);
ret = lan78xx_update_reg(dev, DP_SEL, DP_SEL_RSEL_MASK_, ram_select);
ret = smsc75xx_read_reg(dev, DP_SEL, &dp_sel);
ret = smsc75xx_read_reg(dev, DP_SEL, &dp_sel);
ret = smsc75xx_write_reg(dev, DP_SEL, dp_sel);