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-rw-r--r--include/linux/device.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 9835d4fcdb12..435159cb14b8 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -85,6 +85,15 @@ extern struct bus_type * get_bus(struct bus_type * bus);
extern void put_bus(struct bus_type * bus);
+/* iterator helpers for buses */
+
+int bus_for_each_dev(struct bus_type * bus, struct device * start, void * data,
+ int (*fn)(struct device *, void *));
+
+int bus_for_each_drv(struct bus_type * bus, struct device_driver * start,
+ void * data, int (*fn)(struct device_driver *, void *));
+
+
/* driverfs interface for exporting bus attributes */
struct bus_attribute {