gigaset: reduce syslog clutter

Improve readability of the Gigaset driver's kernel messages by
removing a few unnecessary messages and limiting the emission
of some debug messages more narrowly.

Impact: logging
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 3ab1dae..9430a2b 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -628,7 +628,7 @@
 	struct usb_cardstate *ucs = cs->hw.usb;
 	unsigned long flags;
 
-	gig_dbg(DEBUG_WRITE, "len: %d...", bcs->tx_skb->len);
+	gig_dbg(DEBUG_OUTPUT, "len: %d...", bcs->tx_skb->len);
 
 	if (!bcs->tx_skb->len) {
 		dev_kfree_skb_any(bcs->tx_skb);