diff options
| -rw-r--r-- | arch/x86/kernel/hpet.c | 10 | ||||
| -rw-r--r-- | drivers/char/hpet.c | 6 |
2 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 786aa227afd..a3c56c9b8a0 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -117,7 +117,8 @@ int is_hpet_enabled(void) static void hpet_reserve_platform_timers(unsigned long id) { struct hpet __iomem *hpet = hpet_virt_address; - unsigned int nrtimers; + struct hpet_timer __iomem *timer = &hpet->hpet_timers[2]; + unsigned int nrtimers, i; struct hpet_data hd; nrtimers = ((id & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT) + 1; @@ -135,10 +136,9 @@ static void hpet_reserve_platform_timers(unsigned long id) hd.hd_irq[0] = HPET_LEGACY_8254; hd.hd_irq[1] = HPET_LEGACY_RTC; - /* - * IRQs for the other timers are assigned dynamically - * in hpet_alloc - */ + for (i = 2; i < nrtimers; timer++, i++) + hd.hd_irq[i] = (timer->hpet_config & Tn_INT_ROUTE_CNF_MASK) >> + Tn_INT_ROUTE_CNF_SHIFT; hpet_alloc(&hd); } #else 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; |