Support to check whether the SD3.0 or not.
Signed-off-by: Jaehoon Chung jh80.chung@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com --- drivers/mmc/mmc.c | 2 ++ include/mmc.h | 1 + 2 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 72e8ce6..b704d8b 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -759,6 +759,8 @@ retry_scr: break; case 2: mmc->version = SD_VERSION_2; + if ((mmc->scr[0] >> 15) & 0x1) + mmc->version = SD_VERSION_3; break; default: mmc->version = SD_VERSION_1_0; diff --git a/include/mmc.h b/include/mmc.h index a13e2bd..7c8f325 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -30,6 +30,7 @@ #include <linux/compiler.h>
#define SD_VERSION_SD 0x20000 +#define SD_VERSION_3 (SD_VERSION_SD | 0x30) #define SD_VERSION_2 (SD_VERSION_SD | 0x20) #define SD_VERSION_1_0 (SD_VERSION_SD | 0x10) #define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a)