mci_fifo_readl
aligned_buf[i] = mci_fifo_readl(host->fifo_reg);
*pdata++ = mci_fifo_readl(host->fifo_reg);
host->part_buf32 = mci_fifo_readl(host->fifo_reg);
proxy[0] = mci_fifo_readl(addr);
proxy[1] = mci_fifo_readl(addr + 4);