mtd: introduce mtd_lock interface

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

1 files changed, 7 insertions, 2 deletions

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 47ea19c1e52..167bac2e380 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -207,14 +207,13 @@ struct mtd_info {
         int (*writev) (struct mtd_info *mtd, const struct kvec *vecs,
                         unsigned long count, loff_t to, size_t *retlen);
         void (*sync) (struct mtd_info *mtd);
+        int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
 
         /* Backing device capabilities for this device
          * - provides mmap capabilities
          */
         struct backing_dev_info *backing_dev_info;
 
-        /* Chip-supported device locking */
-        int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
         int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
         int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
 
@@ -384,6 +383,12 @@ static inline void mtd_sync(struct mtd_info *mtd)
         mtd->sync(mtd);
 }
 
+/* Chip-supported device locking */
+static inline int mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+        return mtd->lock(mtd, ofs, len);
+}
+
 static inline struct mtd_info *dev_to_mtd(struct device *dev)
 {
         return dev ? dev_get_drvdata(dev) : NULL;