IF_SDIO_RD_BASE
req_size = sdio_readb(card->func, IF_SDIO_RD_BASE, &ret);
req_size |= sdio_readb(card->func, IF_SDIO_RD_BASE + 1, &ret) << 8;
req_size = sdio_readb(card->func, IF_SDIO_RD_BASE,
req_size |= sdio_readb(card->func, IF_SDIO_RD_BASE + 1,