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Subject[PATCH 7/7] remove "#if 0" from find_bus function, export it.
This function were placed in "#if 0" because nobody was using it.
We using it now.

See http://lwn.net/Articles/210610/

Signed-off-by: Anton Vorontsov <cbou@mail.ru>
---
drivers/base/bus.c | 5 ++---
include/linux/device.h | 2 ++
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 253868e..971efa2 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -667,14 +667,13 @@ void put_bus(struct bus_type * bus)
*
* Note that kset_find_obj increments bus' reference count.
*/
-#if 0
+
struct bus_type * find_bus(char * name)
{
struct kobject * k = kset_find_obj(&bus_subsys.kset, name);
return k ? to_bus(k) : NULL;
}
-#endif /* 0 */
-
+EXPORT_SYMBOL_GPL(find_bus);

/**
* bus_add_attrs - Add default attributes for this bus.
diff --git a/include/linux/device.h b/include/linux/device.h
index 5cf30e9..4015b39 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -68,6 +68,8 @@ extern void bus_unregister(struct bus_type * bus);

extern int __must_check bus_rescan_devices(struct bus_type * bus);

+extern struct bus_type *find_bus(char *name);
+
/* iterator helpers for buses */

int bus_for_each_dev(struct bus_type * bus, struct device * start, void * data,
--
1.5.1.1-dirty
-
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