xen: struct device - replace bus_id with dev_name(), dev_set_name()

CC: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/xen/xenbus/xenbus_probe.h b/drivers/xen/xenbus/xenbus_probe.h
index e09b194..6c5e318 100644
--- a/drivers/xen/xenbus/xenbus_probe.h
+++ b/drivers/xen/xenbus/xenbus_probe.h
@@ -34,6 +34,8 @@
 #ifndef _XENBUS_PROBE_H
 #define _XENBUS_PROBE_H
 
+#define XEN_BUS_ID_SIZE			20
+
 #ifdef CONFIG_XEN_BACKEND
 extern void xenbus_backend_suspend(int (*fn)(struct device *, void *));
 extern void xenbus_backend_resume(int (*fn)(struct device *, void *));
@@ -52,7 +54,7 @@
 {
 	char *root;
 	unsigned int levels;
-	int (*get_bus_id)(char bus_id[BUS_ID_SIZE], const char *nodename);
+	int (*get_bus_id)(char bus_id[XEN_BUS_ID_SIZE], const char *nodename);
 	int (*probe)(const char *type, const char *dir);
 	struct bus_type bus;
 };