diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 513ff03..1575b52 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -156,6 +156,7 @@
 #define MMC_CAP_DISABLE		(1 << 7)	/* Can the host be disabled */
 #define MMC_CAP_NONREMOVABLE	(1 << 8)	/* Nonremovable e.g. eMMC */
 #define MMC_CAP_WAIT_WHILE_BUSY	(1 << 9)	/* Waits while card is busy */
+#define MMC_CAP_ERASE		(1 << 10)	/* Allow erase/trim commands */
 
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */