[ISDN] minor irq handler cleanups

- reference irq number in CardState structure

- remove now-unused 'intno' argument from rs_interrupt_elsa()

- cs->irq_func() should be defined using standard irq_handler_t

- add KERN_DEBUG to printk() where appropriate
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/isdn/hisax/elsa.c

@@ -299,7 +299,7 @@ elsa_interrupt(int intno, void *dev_id)
 		val = serial_inp(cs, UART_IIR);
 		if (!(val & UART_IIR_NO_INT)) {
 			debugl1(cs,"IIR %02x", val);
-			rs_interrupt_elsa(intno, cs);
+			rs_interrupt_elsa(cs);
 		}
 	}
 #endif
@@ -379,7 +379,7 @@ elsa_interrupt_ipac(int intno, void *dev_id)
 		val = serial_inp(cs, UART_IIR);
 		if (!(val & UART_IIR_NO_INT)) {
 			debugl1(cs,"IIR %02x", val);
-			rs_interrupt_elsa(intno, cs);
+			rs_interrupt_elsa(cs);
 		}
 	}
 #endif

drivers/isdn/hisax/elsa_ser.c

@@ -384,13 +384,13 @@ static inline void transmit_chars(struct IsdnCardState *cs, int *intr_done)
 }
 
 
-static void rs_interrupt_elsa(int irq, struct IsdnCardState *cs)
+static void rs_interrupt_elsa(struct IsdnCardState *cs)
 {
 	int status, iir, msr;
 	int pass_counter = 0;
 	
 #ifdef SERIAL_DEBUG_INTR
-	printk("rs_interrupt_single(%d)...", irq);
+	printk(KERN_DEBUG "rs_interrupt_single(%d)...", cs->irq);
 #endif
 
 	do {

drivers/isdn/hisax/hisax.h

@@ -925,7 +925,7 @@ struct IsdnCardState {
 	int		(*cardmsg) (struct IsdnCardState *, int, void *);
 	void		(*setstack_d) (struct PStack *, struct IsdnCardState *);
 	void		(*DC_Close) (struct IsdnCardState *);
-	int		(*irq_func) (int, void *);
+	irq_handler_t	irq_func;
 	int		(*auxcmd) (struct IsdnCardState *, isdn_ctrl *);
 	struct Channel	channel[2+MAX_WAITING_CALLS];
 	struct BCState	bcs[2+MAX_WAITING_CALLS];