mmc: core: new discard feature support at eMMC v4.5

[pandora-kernel.git] / include / linux / mmc / card.h

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 711c3f8..5513785 100644 (file)
--- 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 {