s390/scm_drv: extend notify callback

Extend the notify callback of scm_driver by an event parameter
to allow to distinguish between different notifications.

Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/eadm.h b/arch/s390/include/asm/eadm.h
index 8d48471..a4a1ea4 100644
--- a/arch/s390/include/asm/eadm.h
+++ b/arch/s390/include/asm/eadm.h
@@ -96,11 +96,13 @@
 #define OP_STATE_TEMP_ERR	2
 #define OP_STATE_PERM_ERR	3
 
+enum scm_event {SCM_CHANGE};
+
 struct scm_driver {
 	struct device_driver drv;
 	int (*probe) (struct scm_device *scmdev);
 	int (*remove) (struct scm_device *scmdev);
-	void (*notify) (struct scm_device *scmdev);
+	void (*notify) (struct scm_device *scmdev, enum scm_event event);
 	void (*handler) (struct scm_device *scmdev, void *data, int error);
 };