1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 711c3f8bfabd..551378508784 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -80,6 +80,9 @@ struct mmc_ext_csd {
         u8                      raw_sec_feature_support;/* 231 */
         u8                      raw_trim_mult;          /* 232 */
         u8                      raw_sectors[4];         /* 212 - 4 bytes */
+
+        unsigned int            feature_support;
+#define MMC_DISCARD_FEATURE     BIT(0)                  /* CMD38 feature */
 };
 
 struct sd_scr {