[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/timer.c

@@ -32,7 +32,7 @@ extern int  sendmessage(int, unsigned int, unsigned int, unsigned int,
 /*
  * Write the proper values into the I/O ports following a reset
  */
-void setup_ports(int card)
+static void setup_ports(int card)
 {
 
 	outb((sc_adapter[card]->rambase >> 12), sc_adapter[card]->ioport[EXP_BASE]);
@@ -129,19 +129,3 @@ void check_phystat(unsigned long data)
 		ceReqPhyStatus,0,0,NULL);
 }
 
-/*
- * When in trace mode, this callback is used to swap the working shared
- * RAM page to the trace page(s) and process all received messages. It
- * must be called often enough to get all of the messages out of RAM before
- * it loops around.
- * Trace messages are \n terminated strings.
- * We output the messages in 64 byte chunks through readstat. Each chunk
- * is scanned for a \n followed by a time stamp. If the timerstamp is older
- * than the current time, scanning stops and the page and offset are recorded
- * as the starting point the next time the trace timer is called. The final
- * step is to restore the working page and reset the timer.
- */
-void trace_timer(unsigned long data)
-{
-	/* not implemented */
-}