Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/s390/char/raw3270.h b/drivers/s390/char/raw3270.h
index 114ca7c..3afaa35 100644
--- a/drivers/s390/char/raw3270.h
+++ b/drivers/s390/char/raw3270.h
@@ -150,6 +150,8 @@
 struct raw3270_view {
 	struct list_head list;
 	spinlock_t lock;
+#define RAW3270_VIEW_LOCK_IRQ	0
+#define RAW3270_VIEW_LOCK_BH	1
 	atomic_t ref_count;
 	struct raw3270 *dev;
 	struct raw3270_fn *fn;
@@ -158,7 +160,7 @@
 	unsigned char *ascebc;		/* ascii -> ebcdic table */
 };
 
-int raw3270_add_view(struct raw3270_view *, struct raw3270_fn *, int);
+int raw3270_add_view(struct raw3270_view *, struct raw3270_fn *, int, int);
 int raw3270_activate_view(struct raw3270_view *);
 void raw3270_del_view(struct raw3270_view *);
 void raw3270_deactivate_view(struct raw3270_view *);