SDHCI_UHS2_TRANS_MODE
sdhci_readw(host, SDHCI_UHS2_TRANS_MODE));
mode = sdhci_readw(host, SDHCI_UHS2_TRANS_MODE);
sdhci_writew(host, mode, SDHCI_UHS2_TRANS_MODE);
sdhci_writew(host, mode, SDHCI_UHS2_TRANS_MODE);