This patch allows correct version detection for newer eMMC devices following the 5.1B version of the standard. This new version of the standard introduces CSD revision 9, and a new decoding rule of the MDT field in CID register.
Signed-off-by: Gregory Baudet <[email protected]> Cc: Peng Fang <[email protected]> Cc: Jaehoon Chung <[email protected]> --- drivers/mmc/mmc.c | 3 ++- include/mmc.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 7dadff27abe..d9e6860bc74 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -2343,7 +2343,8 @@ static int mmc_startup_v4(struct mmc *mmc) MMC_VERSION_4_41, MMC_VERSION_4_5, MMC_VERSION_5_0, - MMC_VERSION_5_1 + MMC_VERSION_5_1, + MMC_VERSION_5_1B }; #if CONFIG_IS_ENABLED(MMC_TINY) diff --git a/include/mmc.h b/include/mmc.h index 51d3f2f8dd5..47b0f11877d 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -54,6 +54,7 @@ struct bd_info; #define MMC_VERSION_4_5 MAKE_MMC_VERSION(4, 5, 0) #define MMC_VERSION_5_0 MAKE_MMC_VERSION(5, 0, 0) #define MMC_VERSION_5_1 MAKE_MMC_VERSION(5, 1, 0) +#define MMC_VERSION_5_1B MAKE_MMC_VERSION(5, 1, 1) #define MMC_CAP(mode) (1 << mode) #define MMC_MODE_HS (MMC_CAP(MMC_HS) | MMC_CAP(SD_HS)) -- 2.51.0
