@@ -836,8 +836,11 @@ int mmc_sd_get_cid(struct mmc_host *host, u32 ocr, u32 *cid, u32 *rocr)
* block-addressed SDHC cards.
*/
err = mmc_send_if_cond(host, ocr);
- if (!err)
+ if (!err) {
ocr |= SD_OCR_CCS;
+ /* Set HO2T as well - SDUC card won't respond otherwise */
+ ocr |= SD_OCR_2T;
+ }
/*
* If the host supports one of UHS-I modes, request the card
@@ -1448,7 +1451,10 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
}
if (!oldcard) {
- err = mmc_sd_get_csd(card, false);
+ u32 sduc_arg = SD_OCR_CCS | SD_OCR_2T;
+ bool is_sduc = (rocr & sduc_arg) == sduc_arg;
+
+ err = mmc_sd_get_csd(card, is_sduc);
if (err)
goto free_card;