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mtd: ubi: block: wire-up device parent

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ubiblock devices were previously only identifyable by their name, but
not connected to their parent UBI volume device e.g. in sysfs.
Properly parent ubiblock device as descendant of a UBI volume device
to reflect device model hierachy.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Daniel Golle 2022-12-22 19:33:31 +00:00 committed by Richard Weinberger
parent 1ecf9e3904
commit 05b8773ca3
3 changed files with 3 additions and 1 deletions
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2
drivers/mtd/ubi/block.c
View file

@ -419,7 +419,7 @@ int ubiblock_create(struct ubi_volume_info *vi)
list_add_tail(&dev->list, &ubiblock_devices);
/* Must be the last step: anyone can call file ops from now on */
ret = add_disk(dev->gd);
ret = device_add_disk(vi->dev, dev->gd, NULL);
if (ret)
goto out_remove_minor;

1
drivers/mtd/ubi/kapi.c
View file

@ -79,6 +79,7 @@ void ubi_do_get_volume_info(struct ubi_device *ubi, struct ubi_volume *vol,
vi->name_len = vol->name_len;
vi->name = vol->name;
vi->cdev = vol->cdev.dev;
vi->dev = &vol->dev;
}
/**

1
include/linux/mtd/ubi.h
View file

@ -110,6 +110,7 @@ struct ubi_volume_info {
int name_len;
const char *name;
dev_t cdev;
struct device *dev;
};
/**