MMC_CAP_BUS_WIDTH_TEST
if (!(host->caps & MMC_CAP_BUS_WIDTH_TEST))
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_BUS_WIDTH_TEST |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_BUS_WIDTH_TEST |
slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST;
host->mmc->caps &= ~MMC_CAP_BUS_WIDTH_TEST;