mtd: introduce mtd_get_user_prot_info interface

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index d77a7f8..ff0a3a1 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -196,13 +196,14 @@
 				   size_t len);
 	int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from,
 				   size_t len, size_t *retlen, u_char *buf);
+	int (*get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
+				   size_t len);
 
 	/* Backing device capabilities for this device
 	 * - provides mmap capabilities
 	 */
 	struct backing_dev_info *backing_dev_info;
 
-	int (*get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len);
 	int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
 	int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
 	int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len);
@@ -345,6 +346,13 @@
 	return mtd->read_fact_prot_reg(mtd, from, len, retlen, buf);
 }
 
+static inline int mtd_get_user_prot_info(struct mtd_info *mtd,
+					 struct otp_info *buf,
+					 size_t len)
+{
+	return mtd->get_user_prot_info(mtd, buf, len);
+}
+
 static inline struct mtd_info *dev_to_mtd(struct device *dev)
 {
 	return dev ? dev_get_drvdata(dev) : NULL;