mtd: introduce mtd_unpoint 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 ca7bfda..a7d22b7 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -177,8 +177,6 @@
 	int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
 	int (*point) (struct mtd_info *mtd, loff_t from, size_t len,
 		      size_t *retlen, void **virt, resource_size_t *phys);
-
-	/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
 	void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
 
 	/* Allow NOMMU mmap() to directly map the device (if not NULL)
@@ -289,6 +287,12 @@
 	return mtd->point(mtd, from, len, retlen, virt, phys);
 }
 
+/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
+static inline void mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
+{
+	return mtd->unpoint(mtd, from, len);
+}
+
 static inline struct mtd_info *dev_to_mtd(struct device *dev)
 {
 	return dev ? dev_get_drvdata(dev) : NULL;