diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 23df21e5826b7666b68f92f271bf03c225cace42..61a10c17aabd98df129c091bc82697b5faa0b09d 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -136,6 +136,7 @@ struct mmc_host_ops {
 	void	(*enable_preset_value)(struct mmc_host *host, bool enable);
 	int	(*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv);
 	void	(*hw_reset)(struct mmc_host *host);
+	void	(*card_event)(struct mmc_host *host);
 };
 
 struct mmc_card;