[PATCH] driver core: add bus_find_device & driver_find_device functions
Add bus_find_device() and driver_find_device() which allow searching for a device in the bus's resp. the driver's klist and obtain a reference on it. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Greg Kroah-Hartman
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fd782a4a99
commit
0edb586049
@ -80,6 +80,8 @@ extern struct bus_type * find_bus(char * name);
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int bus_for_each_dev(struct bus_type * bus, struct device * start, void * data,
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int (*fn)(struct device *, void *));
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struct device * bus_find_device(struct bus_type *bus, struct device *start,
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void *data, int (*match)(struct device *, void *));
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int bus_for_each_drv(struct bus_type * bus, struct device_driver * start,
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void * data, int (*fn)(struct device_driver *, void *));
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@ -142,6 +144,9 @@ extern void driver_remove_file(struct device_driver *, struct driver_attribute *
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extern int driver_for_each_device(struct device_driver * drv, struct device * start,
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void * data, int (*fn)(struct device *, void *));
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struct device * driver_find_device(struct device_driver *drv,
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struct device *start, void *data,
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int (*match)(struct device *, void *));
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/*
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