diff options
| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2011-12-30 17:00:35 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-01-09 18:26:22 +0000 |
| commit | 381345652fca688aeaa967c231e5075cf68d05b6 (patch) | |
| tree | 5f23ecdd28165d15109c6fd7ad0c4c573f094707 /drivers | |
| parent | 327cf2922b4edf0439b219469722d2a502e37349 (diff) | |
mtd: do not use mtd->lock, unlock and is_locked directly
Instead, call the corresponding MTD API function which will return
'-EOPNOTSUPP' if the operation is not supported.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/maps/scb2_flash.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/mtdchar.c | 15 | ||||
| -rw-r--r-- | drivers/mtd/mtdconcat.c | 18 | ||||
| -rw-r--r-- | drivers/mtd/mtdcore.c | 6 |
4 files changed, 13 insertions, 29 deletions
diff --git a/drivers/mtd/maps/scb2_flash.c b/drivers/mtd/maps/scb2_flash.c index 01af34778de..934a72c8007 100644 --- a/drivers/mtd/maps/scb2_flash.c +++ b/drivers/mtd/maps/scb2_flash.c @@ -204,8 +204,7 @@ scb2_flash_remove(struct pci_dev *dev) return; /* disable flash writes */ - if (scb2_mtd->lock) - mtd_lock(scb2_mtd, 0, scb2_mtd->size); + mtd_lock(scb2_mtd, 0, scb2_mtd->size); mtd_device_unregister(scb2_mtd); map_destroy(scb2_mtd); diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 23a51104aeb..92da621b142 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -814,10 +814,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) if (copy_from_user(&einfo, argp, sizeof(einfo))) return -EFAULT; - if (!mtd->lock) - ret = -EOPNOTSUPP; - else - ret = mtd_lock(mtd, einfo.start, einfo.length); + ret = mtd_lock(mtd, einfo.start, einfo.length); break; } @@ -828,10 +825,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) if (copy_from_user(&einfo, argp, sizeof(einfo))) return -EFAULT; - if (!mtd->unlock) - ret = -EOPNOTSUPP; - else - ret = mtd_unlock(mtd, einfo.start, einfo.length); + ret = mtd_unlock(mtd, einfo.start, einfo.length); break; } @@ -842,10 +836,7 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) if (copy_from_user(&einfo, argp, sizeof(einfo))) return -EFAULT; - 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/mtdconcat.c b/drivers/mtd/mtdconcat.c index 9119f76f87f..aaafb5e1876 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -555,12 +555,9 @@ static int concat_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) else size = len; - if (subdev->lock) { - err = mtd_lock(subdev, ofs, size); - if (err) - break; - } else - err = -EOPNOTSUPP; + err = mtd_lock(subdev, ofs, size); + if (err) + break; len -= size; if (len == 0) @@ -595,12 +592,9 @@ static int concat_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) else size = len; - if (subdev->unlock) { - err = mtd_unlock(subdev, ofs, size); - if (err) - break; - } else - err = -EOPNOTSUPP; + err = mtd_unlock(subdev, ofs, size); + if (err) + break; len -= size; if (len == 0) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 4d0f3e557bd..66494ee5355 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -339,9 +339,9 @@ int add_mtd_device(struct mtd_info *mtd) mtd->writesize_mask = (1 << mtd->writesize_shift) - 1; /* 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->flags & MTD_WRITEABLE) && (mtd->flags & MTD_POWERUP_LOCK)) { + error = mtd_unlock(mtd, 0, mtd->size); + if (error && error != -EOPNOTSUPP) printk(KERN_WARNING "%s: unlock failed, writes may not work\n", mtd->name); |