Add a wrapper function for serio ->interrupt callback.

This cleans up things somewhat and also will allow better
hotplugging detection in the future.

drivers/input/serio/ct82c710.c

@@ -156,8 +156,7 @@ static struct serio ct82c710_port =
 
 static void ct82c710_interrupt(int cpl, void *dev_id, struct pt_regs * regs)
 {
-	if (ct82c710_port.dev)
-		ct82c710_port.dev->interrupt(&ct82c710_port, inb(ct82c710_data), 0);
+	serio_interrupt(&ct82c710_port, inb(ct82c710_data), 0);
 }
 
 /*

drivers/input/serio/i8042.c

@@ -387,14 +387,13 @@ static void i8042_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 #endif
 
 		if (i8042_aux_values.exists && (str & I8042_STR_AUXDATA)) {
-			if (i8042_aux_port.dev)
-				i8042_aux_port.dev->interrupt(&i8042_aux_port, data, 0);
+			serio_interrupt(&i8042_aux_port, data, 0);
 		} else {
-			if (i8042_kbd_values.exists && i8042_kbd_port.dev) {
+			if (i8042_kbd_values.exists) {
 				if (!i8042_direct) {
 					if (data > 0x7f) {
 						if (test_and_clear_bit(data & 0x7f, i8042_unxlate_seen)) {
-							i8042_kbd_port.dev->interrupt(&i8042_kbd_port, 0xf0, 0);	
+							serio_interrupt(&i8042_kbd_port, 0xf0, 0);	
 							data = i8042_unxlate_table[data & 0x7f];
 						}
 					} else {
@@ -402,7 +401,7 @@ static void i8042_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 						data = i8042_unxlate_table[data];
 					}
 				}
-				i8042_kbd_port.dev->interrupt(&i8042_kbd_port, data, 0);
+				serio_interrupt(&i8042_kbd_port, data, 0);
 			}
 		}
 	}

drivers/input/serio/parkbd.c

@@ -135,10 +135,8 @@ static void parkbd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 		parkbd_buffer |= (parkbd_readlines() >> 1) << parkbd_counter++;
 
-		if (parkbd_counter == parkbd_mode + 10) {
-			if (parkbd_port.dev)
-				parkbd_port.dev->interrupt(&parkbd_port, (parkbd_buffer >> (2 - parkbd_mode)) & 0xff, 0);
-		}
+		if (parkbd_counter == parkbd_mode + 10)
+			serio_interrupt(&parkbd_port, (parkbd_buffer >> (2 - parkbd_mode)) & 0xff, 0);
 	}
 
 	parkbd_last = jiffies;

drivers/input/serio/rpckbd.c

@@ -64,8 +64,7 @@ static void rpckbd_rx(int irq, void *dev_id, struct pt_regs *regs)
 	kbd_pt_regs = regs;
 
 	while (inb(IOMD_KCTRL) & (1 << 5))
-		if (rpckbd_port.dev)
-               		 rpckbd_port.dev->interrupt(&rpckbd_port, inb(IOMD_KARTRX), 0);
+		serio_interrupt(&rpckbd_port, inb(IOMD_KARTRX), 0);
 
 }
 

drivers/input/serio/serport.c

@@ -138,8 +138,7 @@ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *c
 	struct serport *serport = (struct serport*) tty->disc_data;
 	int i;
 	for (i = 0; i < count; i++)
-		if (serport->serio.dev)
-			serport->serio.dev->interrupt(&serport->serio, cp[i], 0);
+		serio_interrupt(&serport->serio, cp[i], 0);
 }
 
 /*

include/linux/serio.h

@@ -89,9 +89,14 @@ static __inline__ int serio_write(struct serio *serio, unsigned char data)
 
 static __inline__ void serio_dev_write_wakeup(struct serio *serio)
 {
-	if (serio->dev && serio->dev->write_wakeup) {
+	if (serio->dev && serio->dev->write_wakeup)
 		serio->dev->write_wakeup(serio);
-	}
+}
+
+static __inline__ void serio_interrupt(struct serio *serio, unsigned char data, unsigned int flags)
+{
+	if (serio->dev && serio->dev->interrupt) 
+		serio->dev->interrupt(serio, data, flags);
 }
 
 #define SERIO_TIMEOUT	1