HACK: disable UHS mode on all MMC controlers

This clear hack is needed for RCAR boards, where SDHCI causes problems, when it works in UHS (Ultra High Speed) mode. Signed-off-by: Volodymyr Babchuk <[email protected]> Reviewed-by: Oleksandr Andrushchenko <[email protected]>
lorc · Jan 3, 2018 · fd532f4 · fd532f4
1 parent 4b309d0
commit fd532f4
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
@@ -490,9 +490,7 @@ static inline int mmc_boot_partition_access(struct mmc_host *host)
 static inline int mmc_host_uhs(struct mmc_host *host)
 {
 	return host->caps &
-		(MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
-		 MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 |
-		 MMC_CAP_UHS_DDR50);
+		0;
 }
 
 static inline int mmc_host_packed_wr(struct mmc_host *host)