mmc_of_parse_voltage
EXPORT_SYMBOL(mmc_of_parse_voltage);
if (mmc_of_parse_voltage(mmc, &oms->pdata.ocr_mask) < 0)
mmc_of_parse_voltage(host->mmc, &host->ocr_mask);
mmc_of_parse_voltage(host->mmc, &host->ocr_mask);
int mmc_of_parse_voltage(struct mmc_host *host, u32 *mask);