diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 3657fe1..cb70fa1 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -9,6 +9,7 @@
  */
 
 #define KMSG_COMPONENT "tape_34xx"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/module.h>
 #include <linux/init.h>
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 0c72aad..b2eb94a 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -9,6 +9,7 @@
  */
 
 #define KMSG_COMPONENT "tape_3590"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/module.h>
 #include <linux/init.h>
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index 4799cc2..96816149 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -11,6 +11,7 @@
  */
 
 #define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/fs.h>
 #include <linux/module.h>
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index 23d773a..2125ec7 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -10,6 +10,9 @@
  *		 Martin Schwidefsky <schwidefsky@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/proc_fs.h>
diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c
index ddc914cc..b2864e3 100644
--- a/drivers/s390/char/tape_class.c
+++ b/drivers/s390/char/tape_class.c
@@ -7,6 +7,10 @@
  * Author: Stefan Bader <shbader@de.ibm.com>
  * Based on simple class device code by Greg K-H
  */
+
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include "tape_class.h"
 
 MODULE_AUTHOR("Stefan Bader <shbader@de.ibm.com>");
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index f5d6802..81b094e 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -12,6 +12,8 @@
  */
 
 #define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/init.h>	     // for kernel parameters
 #include <linux/kmod.h>	     // for requesting modules
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index ebd820c..0ceb379 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -11,6 +11,9 @@
  * PROCFS Functions
  */
 
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/vmalloc.h>
 #include <linux/seq_file.h>
diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c
index 750354a..03f07e5 100644
--- a/drivers/s390/char/tape_std.c
+++ b/drivers/s390/char/tape_std.c
@@ -11,6 +11,9 @@
  *		 Stefan Bader <shbader@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/bio.h>