drivers/char/ip2: split out irq core logic into separate function

No changes besides code movement and glue.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/char/ip2/ip2main.c

@@ -1166,26 +1166,10 @@ ip2_interrupt_bh(struct work_struct *work)
 /*                                                                            */
 /*                                                                            */
 /******************************************************************************/
-static irqreturn_t
-ip2_interrupt(int irq, void *dev_id)
+static void
+ip2_irq_work(i2eBordStrPtr pB)
 {
-	int i;
-	i2eBordStrPtr  pB;
-	int handled = 0;
-
-	ip2trace (ITRC_NO_PORT, ITRC_INTR, 99, 1, irq );
-
-	/* Service just the boards on the list using this irq */
-	for( i = 0; i < i2nBoards; ++i ) {
-		pB = i2BoardPtrTable[i];
-
-//		Only process those boards which match our IRQ.
-//			IRQ = 0 for polled boards, we won't poll "IRQ" boards
-
-		if ( pB && (pB->i2eUsingIrq == irq) ) {
-			handled = 1;
 #ifdef USE_IQI
-
 	if (NO_MAIL_HERE != ( pB->i2eStartMail = iiGetMail(pB))) {
 //		Disable his interrupt (will be enabled when serviced)
 //		This is mostly to protect from reentrancy.
@@ -1197,11 +1181,35 @@ ip2_interrupt(int irq, void *dev_id)
 //		Make sure the immediate queue is flagged to fire.
 	}
 #else
+
 //	We are using immediate servicing here.  This sucks and can
 //	cause all sorts of havoc with ppp and others.  The failsafe
 //	check on iiSendPendingMail could also throw a hairball.
+
 	i2ServiceBoard( pB );
+
 #endif /* USE_IQI */
+}
+
+static irqreturn_t
+ip2_interrupt(int irq, void *dev_id)
+{
+	int i;
+	i2eBordStrPtr  pB;
+	int handled = 0;
+
+	ip2trace (ITRC_NO_PORT, ITRC_INTR, 99, 1, irq );
+
+	/* Service just the boards on the list using this irq */
+	for( i = 0; i < i2nBoards; ++i ) {
+		pB = i2BoardPtrTable[i];
+
+//		Only process those boards which match our IRQ.
+//			IRQ = 0 for polled boards, we won't poll "IRQ" boards
+
+		if ( pB && (pB->i2eUsingIrq == irq) ) {
+			handled = 1;
+			ip2_irq_work(pB);
 		}
 	}