SDHCI_MAX_SEGS
if (extra > SDHCI_MAX_SEGS)
extra = SDHCI_MAX_SEGS;
extra = min(extra, SDHCI_MAX_SEGS);
if (extra > SDHCI_MAX_SEGS)
extra = SDHCI_MAX_SEGS;
host->adma_table_cnt = SDHCI_MAX_SEGS * 2 + 1;
host->align_buffer_sz = SDHCI_MAX_SEGS * SDHCI_ADMA2_ALIGN;
mmc->max_segs = SDHCI_MAX_SEGS;
mmc->max_segs = SDHCI_MAX_SEGS;