diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 5cb93a8e3403..11f3b071f305 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -562,6 +562,9 @@ static int ctcm_transmit_skb(struct channel *ch, struct sk_buff *skb)
 		skb_queue_tail(&ch->io_queue, skb);
 		ccw_idx = 3;
 	}
+	if (do_debug_ccw)
+		ctcmpc_dumpit((char *)&ch->ccw[ccw_idx],
+					sizeof(struct ccw1) * 3);
 	ch->retry = 0;
 	fsm_newstate(ch->fsm, CTC_STATE_TX);
 	fsm_addtimer(&ch->timer, CTCM_TIME_5_SEC, CTC_EVENT_TIMER, ch);
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index da4c747335e7..ac7975b7a837 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -53,8 +53,8 @@
 #include <linux/moduleparam.h>
 #include <asm/idals.h>
 
-#include "ctcm_mpc.h"
 #include "ctcm_main.h"
+#include "ctcm_mpc.h"
 #include "ctcm_fsms.h"
 
 static const struct xid2 init_xid = {
@@ -132,7 +132,7 @@ void ctcmpc_dumpit(char *buf, int len)
 	__u32	ct, sw, rm, dup;
 	char	*ptr, *rptr;
 	char	tbuf[82], tdup[82];
-	#if (UTS_MACHINE == s390x)
+	#ifdef CONFIG_64BIT
 	char	addr[22];
 	#else
 	char	addr[12];
@@ -149,8 +149,8 @@ void ctcmpc_dumpit(char *buf, int len)
 
 	for (ct = 0; ct < len; ct++, ptr++, rptr++) {
 		if (sw == 0) {
-			#if (UTS_MACHINE == s390x)
-			sprintf(addr, "%16.16lx", (__u64)rptr);
+			#ifdef CONFIG_64BIT
+			sprintf(addr, "%16.16llx", (__u64)rptr);
 			#else
 			sprintf(addr, "%8.8X", (__u32)rptr);
 			#endif
@@ -164,8 +164,8 @@ void ctcmpc_dumpit(char *buf, int len)
 		if (sw == 8)
 			strcat(bhex, "	");
 
-		#if (UTS_MACHINE == s390x)
-		sprintf(tbuf, "%2.2lX", (__u64)*ptr);
+		#if CONFIG_64BIT
+		sprintf(tbuf, "%2.2llX", (__u64)*ptr);
 		#else
 		sprintf(tbuf, "%2.2X", (__u32)*ptr);
 		#endif