MMC_CAP_UHS_DDR50
host_caps |= MMC_CAP_UHS_DDR50;
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_DDR50 |
(host_caps & MMC_CAP_UHS_DDR50) ? " DDR50" : "");