spmi: Auto-populate driver.owner in spmi_driver_register()

Populate the owner field of the spmi driver when
spmi_driver_register() is called in a similar fashion to how
other *_driver_register() functions do it. This saves driver
writers from having to do this themselves.

Cc: Andy Gross <agross@codeaurora.org>
Cc: Gilad Avidov <gavidov@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/spmi/spmi.c

@@ -560,12 +560,13 @@ EXPORT_SYMBOL_GPL(spmi_controller_remove);
  * This API will register the client driver with the SPMI framework.
  * It is typically called from the driver's module-init function.
  */
-int spmi_driver_register(struct spmi_driver *sdrv)
+int __spmi_driver_register(struct spmi_driver *sdrv, struct module *owner)
 {
 	sdrv->driver.bus = &spmi_bus_type;
+	sdrv->driver.owner = owner;
 	return driver_register(&sdrv->driver);
 }
-EXPORT_SYMBOL_GPL(spmi_driver_register);
+EXPORT_SYMBOL_GPL(__spmi_driver_register);
 
 static void __exit spmi_exit(void)
 {

include/linux/spmi.h

@@ -153,7 +153,9 @@ static inline struct spmi_driver *to_spmi_driver(struct device_driver *d)
 	return container_of(d, struct spmi_driver, driver);
 }
 
-int spmi_driver_register(struct spmi_driver *sdrv);
+#define spmi_driver_register(sdrv) \
+	__spmi_driver_register(sdrv, THIS_MODULE)
+int __spmi_driver_register(struct spmi_driver *sdrv, struct module *owner);
 
 /**
  * spmi_driver_unregister() - unregister an SPMI client driver