diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index ced61fad390e..8fea26c22521 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -1307,7 +1307,7 @@ EXPORT_SYMBOL_GPL(subsys_virtual_register);
  * from being unregistered or unloaded while the caller is using it.
  * The caller is responsible for preventing this.
  */
-struct device_driver *driver_find(const char *name, struct bus_type *bus)
+struct device_driver *driver_find(const char *name, const struct bus_type *bus)
 {
 	struct subsys_private *sp = bus_to_subsys(bus);
 	struct kobject *k;
diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h
index 50d0a416a5e7..ceb0e477c2c8 100644
--- a/include/linux/device/driver.h
+++ b/include/linux/device/driver.h
@@ -126,7 +126,7 @@ extern int __must_check driver_register(struct device_driver *drv);
 extern void driver_unregister(struct device_driver *drv);
 
 extern struct device_driver *driver_find(const char *name,
-					 struct bus_type *bus);
+					 const struct bus_type *bus);
 extern int driver_probe_done(void);
 extern void wait_for_device_probe(void);
 void __init wait_for_init_devices_probe(void);