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driver core: Introduce device_move(): move a device to a new parent.

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Provide a function device_move() to move a device to a new parent device. Add
auxilliary functions kobject_move() and sysfs_move_dir().
kobject_move() generates a new uevent of type KOBJ_MOVE, containing the
previous path (DEVPATH_OLD) in addition to the usual values. For this, a new
interface kobject_uevent_env() is created that allows to add further
environmental data to the uevent at the kobject layer.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Cornelia Huck 2006-11-20 17:07:51 +01:00 • committed by Greg Kroah-Hartman
parent af9e076536
commit 8a82472f86
7 changed files with 228 additions and 4 deletions
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1
include/linux/device.h
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@ -424,6 +424,7 @@ extern int device_for_each_child(struct device *, void *,
extern struct device *device_find_child(struct device *, void *data,
int (*match)(struct device *, void *));
extern int device_rename(struct device *dev, char *new_name);
extern int device_move(struct device *dev, struct device *new_parent);
/*
* Manual binding of a device to driver. See drivers/base/bus.c