diff options
Diffstat (limited to 'drivers/char/hpet.c')
| -rw-r--r-- | drivers/char/hpet.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 593b32cfbc3..22f5fd02ea8 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -852,6 +852,12 @@ 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; |