mtd: introduce mtd_lock_user_prot_reg 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 5549607..b58e5e8 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -202,14 +202,14 @@
size_t len, size_t *retlen, u_char *buf);
int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, u_char *buf);
+ int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from,
+ size_t len);
/* Backing device capabilities for this device
* - provides mmap capabilities
*/
struct backing_dev_info *backing_dev_info;
- int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len);
-
/* kvec-based read/write methods.
NB: The 'count' parameter is the number of _vectors_, each of
which contains an (ofs, len) tuple.
@@ -369,6 +369,12 @@
return mtd->write_user_prot_reg(mtd, to, len, retlen, buf);
}
+static inline int mtd_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
+ size_t len)
+{
+ return mtd->lock_user_prot_reg(mtd, from, len);
+}
+
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;