diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index e05bd24..33a4d08 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -236,6 +236,7 @@
 				 MMC_CAP2_HS200_1_2V_SDR)
 #define MMC_CAP2_BROKEN_VOLTAGE	(1 << 7)	/* Use the broken voltage */
 #define MMC_CAP2_DETECT_ON_ERR	(1 << 8)	/* On I/O err check card removal */
+#define MMC_CAP2_HC_ERASE_SZ	(1 << 9)	/* High-capacity erase size */
 
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */
 	unsigned int        power_notify_type;