diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 538e8c8..0e9ec01 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -48,6 +48,7 @@
 #define MMC_STATE_DEAD		(1<<1)		/* device no longer in stack */
 #define MMC_STATE_BAD		(1<<2)		/* unrecognised device */
 #define MMC_STATE_SDCARD	(1<<3)		/* is an SD card */
+#define MMC_STATE_READONLY	(1<<4)		/* card is read-only */
 	u32			raw_cid[4];	/* raw card CID */
 	u32			raw_csd[4];	/* raw card CSD */
 	struct mmc_cid		cid;		/* card identification */
@@ -58,11 +59,13 @@
 #define mmc_card_dead(c)	((c)->state & MMC_STATE_DEAD)
 #define mmc_card_bad(c)		((c)->state & MMC_STATE_BAD)
 #define mmc_card_sd(c)		((c)->state & MMC_STATE_SDCARD)
+#define mmc_card_readonly(c)	((c)->state & MMC_STATE_READONLY)
 
 #define mmc_card_set_present(c)	((c)->state |= MMC_STATE_PRESENT)
 #define mmc_card_set_dead(c)	((c)->state |= MMC_STATE_DEAD)
 #define mmc_card_set_bad(c)	((c)->state |= MMC_STATE_BAD)
 #define mmc_card_set_sd(c)	((c)->state |= MMC_STATE_SDCARD)
+#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
 
 #define mmc_card_name(c)	((c)->cid.prod_name)
 #define mmc_card_id(c)		((c)->dev.bus_id)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 845020d..8c5f713 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -62,6 +62,7 @@
 struct mmc_host_ops {
 	void	(*request)(struct mmc_host *host, struct mmc_request *req);
 	void	(*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
+	int	(*get_ro)(struct mmc_host *host);
 };
 
 struct mmc_card;