Rename WARN() to WARNING() to clear the namespace

We want to use WARN() as a variant of WARN_ON(), however a few drivers are
using WARN() internally.  This patch renames these to WARNING() to avoid the
namespace clash.  A few cases were defining but not using the thing, for those
cases I just deleted the definition.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Greg KH <greg@kroah.com>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/isdn/hisax/st5481_d.c b/drivers/isdn/hisax/st5481_d.c
index b8c4855..077991c 100644
--- a/drivers/isdn/hisax/st5481_d.c
+++ b/drivers/isdn/hisax/st5481_d.c
@@ -389,7 +389,7 @@
 				DBG(1,"urb killed status %d", urb->status);
 				break;
 			default: 
-				WARN("urb status %d",urb->status);
+				WARNING("urb status %d",urb->status);
 				if (d_out->busy == 0) {
 					st5481_usb_pipe_reset(adapter, EP_D_OUT | USB_DIR_OUT, fifo_reseted, adapter);
 				}
@@ -420,7 +420,7 @@
 	isdnhdlc_out_init(&d_out->hdlc_state, 1, 0);
 
 	if (test_and_set_bit(buf_nr, &d_out->busy)) {
-		WARN("ep %d urb %d busy %#lx", EP_D_OUT, buf_nr, d_out->busy);
+		WARNING("ep %d urb %d busy %#lx", EP_D_OUT, buf_nr, d_out->busy);
 		return;
 	}
 	urb = d_out->urb[buf_nr];
@@ -601,7 +601,7 @@
 		FsmEvent(&adapter->d_out.fsm, EV_DOUT_START_XMIT, NULL);
 		break;
 	default:
-		WARN("pr %#x\n", pr);
+		WARNING("pr %#x\n", pr);
 		break;
 	}
 }