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author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2011-12-23 17:18:22 (GMT) |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-01-09 18:25:40 (GMT) |
commit | b66005cd3e6f104e0a1b6492110c337269b53ec3 (patch) | |
tree | 248a5f72af42c122072183a5e3a411b97a36e3c4 | |
parent | 7799f9ac8d8ff2db14736950275249df442baeac (diff) | |
download | linux-b66005cd3e6f104e0a1b6492110c337269b53ec3.tar.xz |
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.c | 2 | ||||
-rw-r--r-- | drivers/mtd/mtdconcat.c | 2 | ||||
-rw-r--r-- | drivers/mtd/mtdcore.c | 2 | ||||
-rw-r--r-- | drivers/mtd/mtdpart.c | 2 | ||||
-rw-r--r-- | include/linux/mtd/mtd.h | 7 |
5 files changed, 10 insertions, 5 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 870f2cb..fe09cd2 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 97d6360..272ebc0 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 e36191a..4a21557 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 a5e7a21..d65af37 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 167bac2e..f30c358 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; |