driver core: driver: mark driver_add/remove_groups constant

driver_add_groups() and driver_remove_groups should take a constant
pointer as the structure is not modified, so make the change.

Cc: Rafael J. Wysocki <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: gregkh

drivers/base/base.h

@@ -175,8 +175,8 @@ static inline void dev_sync_state(struct device *dev)
 		dev->driver->sync_state(dev);
 }
 
-int driver_add_groups(struct device_driver *drv, const struct attribute_group **groups);
-void driver_remove_groups(struct device_driver *drv, const struct attribute_group **groups);
+int driver_add_groups(const struct device_driver *drv, const struct attribute_group **groups);
+void driver_remove_groups(const struct device_driver *drv, const struct attribute_group **groups);
 void device_driver_detach(struct device *dev);
 
 int devres_release_all(struct device *dev);

drivers/base/driver.c

@@ -199,13 +199,13 @@ void driver_remove_file(struct device_driver *drv,
 }
 EXPORT_SYMBOL_GPL(driver_remove_file);
 
-int driver_add_groups(struct device_driver *drv,
+int driver_add_groups(const struct device_driver *drv,
 		      const struct attribute_group **groups)
 {
 	return sysfs_create_groups(&drv->p->kobj, groups);
 }
 
-void driver_remove_groups(struct device_driver *drv,
+void driver_remove_groups(const struct device_driver *drv,
 			  const struct attribute_group **groups)
 {
 	sysfs_remove_groups(&drv->p->kobj, groups);