MSDC_FIFOCS
if ((readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_TXCNT) >> 16 ||
readl(host->base + MSDC_FIFOCS) & MSDC_FIFOCS_RXCNT) {
sdr_set_bits(host->base + MSDC_FIFOCS, MSDC_FIFOCS_CLR);
readl_poll_timeout_atomic(host->base + MSDC_FIFOCS, val,