[PARPORT] Remove unused 'irq' argument from parport irq functions

None of the drivers with a struct pardevice's ->irq_func() hook ever
used the 'irq' argument passed to it, so remove it.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c
index ea83b70..853a15f 100644
--- a/drivers/parport/probe.c
+++ b/drivers/parport/probe.c
@@ -255,8 +255,7 @@
 ssize_t parport_device_id (int devnum, char *buffer, size_t count)
 {
 	ssize_t retval = -ENXIO;
-	struct pardevice *dev = parport_open (devnum, "Device ID probe",
-					      NULL, NULL, NULL, 0, NULL);
+	struct pardevice *dev = parport_open (devnum, "Device ID probe");
 	if (!dev)
 		return -ENXIO;