mtd: introduce mtd_is_locked interface

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

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index fe09cd2a45404bf45c8f7ff49303f5cfbb57cd4c..6d598b23cf3a359cde1e26dbb1412a84b18105b1 100644 (file)
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -852,7 +852,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
                if (!mtd->is_locked)
                        ret = -EOPNOTSUPP;
                else
-                       ret = mtd->is_locked(mtd, einfo.start, einfo.length);
+                       ret = mtd_is_locked(mtd, einfo.start, einfo.length);
                break;
        }
 

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index d65af37523311f65bf40390808e561e61da3ffbc..ad487fcd423fb015e1f936006f9856b588cb269d 100644 (file)
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -295,7 +295,7 @@ static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
        struct mtd_part *part = PART(mtd);
        if ((len + ofs) > mtd->size)
                return -EINVAL;
-       return part->master->is_locked(part->master, ofs + part->offset, len);
+       return mtd_is_locked(part->master, ofs + part->offset, len);
 }
 
 static void part_sync(struct mtd_info *mtd)

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index f30c35886f7c71059ff3773dc7d47b5f0ba685c4..8b9901986c862fee751893ccfb42da3e0c203412 100644 (file)
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -209,14 +209,13 @@ struct mtd_info {
        void (*sync) (struct mtd_info *mtd);
        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);
 
        /* Backing device capabilities for this device
         * - provides mmap capabilities
         */
        struct backing_dev_info *backing_dev_info;
 
-       int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
-
        /* Power Management functions */
        int (*suspend) (struct mtd_info *mtd);
        void (*resume) (struct mtd_info *mtd);
@@ -394,6 +393,11 @@ static inline int mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
        return mtd->unlock(mtd, ofs, len);
 }
 
+static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+       return mtd->is_locked(mtd, ofs, len);
+}
+
 static inline struct mtd_info *dev_to_mtd(struct device *dev)
 {
        return dev ? dev_get_drvdata(dev) : NULL;