diff options
Diffstat (limited to 'drivers/parport/ieee1284.c')
| -rw-r--r-- | drivers/parport/ieee1284.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/parport/ieee1284.c b/drivers/parport/ieee1284.c index 74cc6dd982d2..2d1a5c737c6e 100644 --- a/drivers/parport/ieee1284.c +++ b/drivers/parport/ieee1284.c @@ -44,10 +44,11 @@ static void parport_ieee1284_wakeup (struct parport *port) up (&port->physport->ieee1284.irq); } -static struct parport *port_from_cookie[PARPORT_MAX]; -static void timeout_waiting_on_port (unsigned long cookie) +static void timeout_waiting_on_port (struct timer_list *t) { - parport_ieee1284_wakeup (port_from_cookie[cookie % PARPORT_MAX]); + struct parport *port = from_timer(port, t, timer); + + parport_ieee1284_wakeup (port); } /** @@ -69,27 +70,19 @@ static void timeout_waiting_on_port (unsigned long cookie) int parport_wait_event (struct parport *port, signed long timeout) { int ret; - struct timer_list timer; if (!port->physport->cad->timeout) /* Zero timeout is special, and we can't down() the semaphore. */ return 1; - init_timer_on_stack(&timer); - timer.expires = jiffies + timeout; - timer.function = timeout_waiting_on_port; - port_from_cookie[port->number % PARPORT_MAX] = port; - timer.data = port->number; - - add_timer (&timer); + timer_setup(&port->timer, timeout_waiting_on_port, 0); + mod_timer(&port->timer, jiffies + timeout); ret = down_interruptible (&port->physport->ieee1284.irq); - if (!del_timer_sync(&timer) && !ret) + if (!del_timer_sync(&port->timer) && !ret) /* Timed out. */ ret = 1; - destroy_timer_on_stack(&timer); - return ret; } |