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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2011-12-23 19:18:22 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-01-09 18:25:40 +0000
commitb66005cd3e6f104e0a1b6492110c337269b53ec3 (patch)
tree248a5f72af42c122072183a5e3a411b97a36e3c4
parent7799f9ac8d8ff2db14736950275249df442baeac (diff)
mtd: introduce mtd_unlock interface
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
-rw-r--r--drivers/mtd/mtdchar.c2
-rw-r--r--drivers/mtd/mtdconcat.c2
-rw-r--r--drivers/mtd/mtdcore.c2
-rw-r--r--drivers/mtd/mtdpart.c2
-rw-r--r--include/linux/mtd/mtd.h7
5 files changed, 10 insertions, 5 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 870f2cb415cb..fe09cd2a4540 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -838,7 +838,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
if (!mtd->unlock)
ret = -EOPNOTSUPP;
else
- ret = mtd->unlock(mtd, einfo.start, einfo.length);
+ ret = mtd_unlock(mtd, einfo.start, einfo.length);
break;
}
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index 97d6360986c8..272ebc01f95b 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -596,7 +596,7 @@ static int concat_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
size = len;
if (subdev->unlock) {
- err = subdev->unlock(subdev, ofs, size);
+ err = mtd_unlock(subdev, ofs, size);
if (err)
break;
} else
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index e36191ab47c3..4a2155748fa3 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -340,7 +340,7 @@ int add_mtd_device(struct mtd_info *mtd)
/* Some chips always power up locked. Unlock them now */
if ((mtd->flags & MTD_WRITEABLE)
&& (mtd->flags & MTD_POWERUP_LOCK) && mtd->unlock) {
- if (mtd->unlock(mtd, 0, mtd->size))
+ if (mtd_unlock(mtd, 0, mtd->size))
printk(KERN_WARNING
"%s: unlock failed, writes may not work\n",
mtd->name);
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index a5e7a2103dcf..d65af3752331 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -287,7 +287,7 @@ static int part_unlock(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->unlock(part->master, ofs + part->offset, len);
+ return mtd_unlock(part->master, ofs + part->offset, len);
}
static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 167bac2e380e..f30c35886f7c 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -208,13 +208,13 @@ struct mtd_info {
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);
+ int (*unlock) (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 (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
/* Power Management functions */
@@ -389,6 +389,11 @@ static inline int mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
return mtd->lock(mtd, ofs, len);
}
+static inline int mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+ return mtd->unlock(mtd, ofs, len);
+}
+
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;