diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 742f0e1..031d865 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -247,6 +247,7 @@
 #define MMC_CAP2_CACHE_CTRL	(1 << 1)	/* Allow cache control */
 #define MMC_CAP2_POWEROFF_NOTIFY (1 << 2)	/* Notify poweroff supported */
 #define MMC_CAP2_NO_MULTI_READ	(1 << 3)	/* Multiblock reads don't work */
+#define MMC_CAP2_NO_SLEEP_CMD	(1 << 4)	/* Don't allow sleep command */
 
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */
 	unsigned int        power_notify_type;