[PATCH] drivers/isdn/sc/: possible cleanups

This patch contains the following possible cleanips:
- make some needlessly global code static
- remove the compiled but completely unused debug.c
- remove or #if 0 the following unused global functions:
  - command.c: loopback
  - command.c: loadproc
  - init.c: irq_supported
  - packet.c: print_skb
  - shmem.c: memset_shmem
  - timer.c: trace_timer

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/isdn/sc/interrupt.c

@@ -31,7 +31,7 @@ extern void rcvpkt(int, RspMessage *);
 extern int cinst;
 extern board *sc_adapter[];
 
-int get_card_from_irq(int irq)
+static int get_card_from_irq(int irq)
 {
 	int i;