lapb: Neaten debugging

Enable dynamic debugging and remove a bunch of #ifdef/#endifs.

Add a lapb_dbg(level, fmt, ...) macro and replace the
printk(KERN_DEBUG uses.
Add pr_fmt and remove embedded prefixes.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/lapb/lapb_subr.c b/net/lapb/lapb_subr.c
index 066225b..9d0a426 100644
--- a/net/lapb/lapb_subr.c
+++ b/net/lapb/lapb_subr.c
@@ -13,6 +13,8 @@
  *	LAPB 001	Jonathan Naylor	Started Coding
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/socket.h>
@@ -111,11 +113,9 @@
 {
 	frame->type = LAPB_ILLEGAL;
 
-#if LAPB_DEBUG > 2
-	printk(KERN_DEBUG "lapb: (%p) S%d RX %02X %02X %02X\n",
-	       lapb->dev, lapb->state,
-	       skb->data[0], skb->data[1], skb->data[2]);
-#endif
+	lapb_dbg(2, "(%p) S%d RX %02X %02X %02X\n",
+		 lapb->dev, lapb->state,
+		 skb->data[0], skb->data[1], skb->data[2]);
 
 	/* We always need to look at 2 bytes, sometimes we need
 	 * to look at 3 and those cases are handled below.
@@ -284,12 +284,10 @@
 		dptr++;
 		*dptr++ = lapb->frmr_type;
 
-#if LAPB_DEBUG > 1
-	printk(KERN_DEBUG "lapb: (%p) S%d TX FRMR %02X %02X %02X %02X %02X\n",
-	       lapb->dev, lapb->state,
-	       skb->data[1], skb->data[2], skb->data[3],
-	       skb->data[4], skb->data[5]);
-#endif
+		lapb_dbg(1, "(%p) S%d TX FRMR %02X %02X %02X %02X %02X\n",
+			 lapb->dev, lapb->state,
+			 skb->data[1], skb->data[2], skb->data[3],
+			 skb->data[4], skb->data[5]);
 	} else {
 		dptr    = skb_put(skb, 4);
 		*dptr++ = LAPB_FRMR;
@@ -301,11 +299,9 @@
 		dptr++;
 		*dptr++ = lapb->frmr_type;
 
-#if LAPB_DEBUG > 1
-	printk(KERN_DEBUG "lapb: (%p) S%d TX FRMR %02X %02X %02X\n",
-	       lapb->dev, lapb->state, skb->data[1],
-	       skb->data[2], skb->data[3]);
-#endif
+		lapb_dbg(1, "(%p) S%d TX FRMR %02X %02X %02X\n",
+			 lapb->dev, lapb->state, skb->data[1],
+			 skb->data[2], skb->data[3]);
 	}
 
 	lapb_transmit_buffer(lapb, skb, LAPB_RESPONSE);