mtd: introduce mtd_get_unmapped_area interface

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 13 insertions, 5 deletions

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index a7d22b7fcb4c..f38e8276b408 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -178,11 +178,6 @@ struct mtd_info {
         int (*point) (struct mtd_info *mtd, loff_t from, size_t len,
                       size_t *retlen, void **virt, resource_size_t *phys);
         void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
-
-        /* Allow NOMMU mmap() to directly map the device (if not NULL)
-         * - return the address to which the offset maps
-         * - return -ENOSYS to indicate refusal to do the mapping
-         */
         unsigned long (*get_unmapped_area) (struct mtd_info *mtd,
                                             unsigned long len,
                                             unsigned long offset,
@@ -293,6 +288,19 @@ static inline void mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
         return mtd->unpoint(mtd, from, len);
 }
 
+/*
+ * Allow NOMMU mmap() to directly map the device (if not NULL)
+ * - return the address to which the offset maps
+ * - return -ENOSYS to indicate refusal to do the mapping
+ */
+static inline unsigned long mtd_get_unmapped_area(struct mtd_info *mtd,
+                                                  unsigned long len,
+                                                  unsigned long offset,
+                                                  unsigned long flags)
+{
+        return mtd->get_unmapped_area(mtd, len, offset, flags);
+}
+
 static inline struct mtd_info *dev_to_mtd(struct device *dev)
 {
         return dev ? dev_get_drvdata(dev) : NULL;