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| author | Frans Klaver <fransklaver@gmail.com> | 2015-06-10 22:38:16 +0200 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2015-10-13 09:21:13 -0700 |
| commit | 807f16d4db956b364ae852a63ad7d79460838866 (patch) | |
| tree | 9808c8bc44b0eb89013c0ede18f3091e822f829c /drivers/mtd/mtdcore.c | |
| parent | 260e89a6e0d6dcaccd484cf13a69285c3d22268f (diff) | |
| download | op-kernel-dev-807f16d4db956b364ae852a63ad7d79460838866.zip op-kernel-dev-807f16d4db956b364ae852a63ad7d79460838866.tar.gz | |
mtd: core: set some defaults when dev.parent is set
If a parent device is set, add_mtd_device() has enough knowledge to fill
in some sane default values for the module name and owner. Do so if they
aren't already set.
Signed-off-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/mtdcore.c')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index ac280ee..bbcba0d 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -418,6 +418,15 @@ int add_mtd_device(struct mtd_info *mtd) mtd->erasesize_mask = (1 << mtd->erasesize_shift) - 1; mtd->writesize_mask = (1 << mtd->writesize_shift) - 1; + if (mtd->dev.parent) { + if (!mtd->owner && mtd->dev.parent->driver) + mtd->owner = mtd->dev.parent->driver->owner; + if (!mtd->name) + mtd->name = dev_name(mtd->dev.parent); + } else { + pr_debug("mtd device won't show a device symlink in sysfs\n"); + } + /* Some chips always power up locked. Unlock them now */ if ((mtd->flags & MTD_WRITEABLE) && (mtd->flags & MTD_POWERUP_LOCK)) { error = mtd_unlock(mtd, 0, mtd->size); |
