LAN9252_ESC_MII
if (addr == LAN9252_ESC_MII || addr == LAN9252_ESC_PHY_DATA)
ret = lan9252_esc_read(spi, LAN9252_ESC_MII, &data);
ret = lan9252_esc_read(spi, LAN9252_ESC_MII, &data);
ret = lan9252_esc_write(spi, LAN9252_ESC_MII, LAN9252_ESC_MII_READ);
ret = lan9252_esc_write(spi, LAN9252_ESC_MII, LAN9252_ESC_MII_WRITE);