Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds

[linux-2.6] / drivers / char / hpet.c

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 593b32cfbc338530904859af5fff37c994ca03bb..465ad35ed38f63e66c9035538054269d3202b9a3 100644 (file)
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -600,63 +600,6 @@ static int hpet_is_known(struct hpet_data *hdp)
        return 0;
 }
 
-EXPORT_SYMBOL(hpet_alloc);
-EXPORT_SYMBOL(hpet_register);
-EXPORT_SYMBOL(hpet_unregister);
-EXPORT_SYMBOL(hpet_control);
-
-int hpet_register(struct hpet_task *tp, int periodic)
-{
-       unsigned int i;
-       u64 mask;
-       struct hpet_timer __iomem *timer;
-       struct hpet_dev *devp;
-       struct hpets *hpetp;
-
-       switch (periodic) {
-       case 1:
-               mask = Tn_PER_INT_CAP_MASK;
-               break;
-       case 0:
-               mask = 0;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       tp->ht_opaque = NULL;
-
-       spin_lock_irq(&hpet_task_lock);
-       spin_lock(&hpet_lock);
-
-       for (devp = NULL, hpetp = hpets; hpetp && !devp; hpetp = hpetp->hp_next)
-               for (timer = hpetp->hp_hpet->hpet_timers, i = 0;
-                    i < hpetp->hp_ntimer; i++, timer++) {
-                       if ((readq(&timer->hpet_config) & Tn_PER_INT_CAP_MASK)
-                           != mask)
-                               continue;
-
-                       devp = &hpetp->hp_dev[i];
-
-                       if (devp->hd_flags & HPET_OPEN || devp->hd_task) {
-                               devp = NULL;
-                               continue;
-                       }
-
-                       tp->ht_opaque = devp;
-                       devp->hd_task = tp;
-                       break;
-               }
-
-       spin_unlock(&hpet_lock);
-       spin_unlock_irq(&hpet_task_lock);
-
-       if (tp->ht_opaque)
-               return 0;
-       else
-               return -EBUSY;
-}
-
 static inline int hpet_tpcheck(struct hpet_task *tp)
 {
        struct hpet_dev *devp;
@@ -706,24 +649,6 @@ int hpet_unregister(struct hpet_task *tp)
        return 0;
 }
 
-int hpet_control(struct hpet_task *tp, unsigned int cmd, unsigned long arg)
-{
-       struct hpet_dev *devp;
-       int err;
-
-       if ((err = hpet_tpcheck(tp)))
-               return err;
-
-       spin_lock_irq(&hpet_lock);
-       devp = tp->ht_opaque;
-       if (devp->hd_task != tp) {
-               spin_unlock_irq(&hpet_lock);
-               return -ENXIO;
-       }
-       spin_unlock_irq(&hpet_lock);
-       return hpet_ioctl_common(devp, cmd, arg, 1);
-}
-
 static ctl_table hpet_table[] = {
        {
         .ctl_name = CTL_UNNUMBERED,
@@ -852,6 +777,12 @@ int hpet_alloc(struct hpet_data *hdp)
 
                timer = &hpet->hpet_timers[devp - hpetp->hp_dev];
 
+               /* Check if there's already an IRQ assigned to the timer */
+               if (hdp->hd_irq[i]) {
+                       hpetp->hp_dev[i].hd_hdwirq = hdp->hd_irq[i];
+                       continue;
+               }
+
                hpet_config = readq(&timer->hpet_config);
                irq_bitmap = (hpet_config & Tn_INT_ROUTE_CAP_MASK)
                        >> Tn_INT_ROUTE_CAP_SHIFT;