3 files changed, 14 insertions, 14 deletions

diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
index e1a1b11473e2..424e9257c9a0 100644
--- a/arch/ia64/hp/sim/simeth.c
+++ b/arch/ia64/hp/sim/simeth.c
@@ -54,7 +54,7 @@ static int simeth_close(struct net_device *dev);
 static int simeth_tx(struct sk_buff *skb, struct net_device *dev);
 static int simeth_rx(struct net_device *dev);
 static struct net_device_stats *simeth_get_stats(struct net_device *dev);
-static irqreturn_t simeth_interrupt(int irq, void *dev_id, struct pt_regs * regs);
+static irqreturn_t simeth_interrupt(int irq, void *dev_id);
 static void set_multicast_list(struct net_device *dev);
 static int simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr);
 
@@ -87,7 +87,7 @@ static int simeth_debug;		/* set to 1 to get debug information */
  */
 static struct notifier_block simeth_dev_notifier = {
 	simeth_device_event,
-	0
+	NULL
 };
 
 
@@ -497,7 +497,7 @@ simeth_rx(struct net_device *dev)
  * Interrupt handler (Yes, we can do it too !!!)
  */
 static irqreturn_t
-simeth_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+simeth_interrupt(int irq, void *dev_id)
 {
 	struct net_device *dev = dev_id;
 
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 8f0a16a79a67..bb87682bbb1b 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -103,7 +103,7 @@ simscsi_interrupt (unsigned long val)
 
 	while ((sc = queue[rd].sc) != 0) {
 		atomic_dec(&num_reqs);
-		queue[rd].sc = 0;
+		queue[rd].sc = NULL;
 		if (DBG)
 			printk("simscsi_interrupt: done with %ld\n", sc->serial_number);
 		(*sc->scsi_done)(sc);
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 246eb3d3757a..caab986af70c 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -92,7 +92,7 @@ static struct serial_uart_config uart_config[] = {
 	{ "ST16650V2", 32, UART_CLEAR_FIFO | UART_USE_FIFO |
 		  UART_STARTECH },
 	{ "TI16750", 64, UART_CLEAR_FIFO | UART_USE_FIFO},
-	{ 0, 0}
+	{ NULL, 0}
 };
 
 struct tty_driver *hp_simserial_driver;
@@ -130,7 +130,7 @@ static void rs_start(struct tty_struct *tty)
 #endif
 }
 
-static  void receive_chars(struct tty_struct *tty, struct pt_regs *regs)
+static  void receive_chars(struct tty_struct *tty)
 {
 	unsigned char ch;
 	static unsigned char seen_esc = 0;
@@ -152,7 +152,7 @@ static  void receive_chars(struct tty_struct *tty, struct pt_regs *regs)
 						ch = ia64_ssc(0, 0, 0, 0,
 							      SSC_GETCHAR);
 					while (!ch);
-					handle_sysrq(ch, regs, NULL);
+					handle_sysrq(ch, NULL);
 				}
 #endif
 				seen_esc = 0;
@@ -170,7 +170,7 @@ static  void receive_chars(struct tty_struct *tty, struct pt_regs *regs)
 /*
  * This is the serial driver's interrupt routine for a single port
  */
-static irqreturn_t rs_interrupt_single(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t rs_interrupt_single(int irq, void *dev_id)
 {
 	struct async_struct * info;
 
@@ -187,7 +187,7 @@ static irqreturn_t rs_interrupt_single(int irq, void *dev_id, struct pt_regs * r
 	 * pretty simple in our case, because we only get interrupts
 	 * on inbound traffic
 	 */
-	receive_chars(info->tty, regs);
+	receive_chars(info->tty);
 	return IRQ_HANDLED;
 }
 
@@ -555,7 +555,7 @@ static void shutdown(struct async_struct * info)
 
 		if (info->xmit.buf) {
 			free_page((unsigned long) info->xmit.buf);
-			info->xmit.buf = 0;
+			info->xmit.buf = NULL;
 		}
 
 		if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
@@ -628,7 +628,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
 	if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty);
 	if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
 	info->event = 0;
-	info->tty = 0;
+	info->tty = NULL;
 	if (info->blocked_open) {
 		if (info->close_delay)
 			schedule_timeout_interruptible(info->close_delay);
@@ -668,7 +668,7 @@ static void rs_hangup(struct tty_struct *tty)
 	info->event = 0;
 	state->count = 0;
 	info->flags &= ~ASYNC_NORMAL_ACTIVE;
-	info->tty = 0;
+	info->tty = NULL;
 	wake_up_interruptible(&info->open_wait);
 }
 
@@ -714,7 +714,7 @@ startup(struct async_struct *info)
 {
 	unsigned long flags;
 	int	retval=0;
-	irqreturn_t (*handler)(int, void *, struct pt_regs *);
+	irq_handler_t handler;
 	struct serial_state *state= info->state;
 	unsigned long page;
 
@@ -769,7 +769,7 @@ startup(struct async_struct *info)
 	/*
 	 * Insert serial port into IRQ chain.
 	 */
-	info->prev_port = 0;
+	info->prev_port = NULL;
 	info->next_port = IRQ_ports[state->irq];
 	if (info->next_port)
 		info->next_port->prev_port = info;