hpet: Init capability register only once
The capability register is read-only from guest POV, so we do not need
to update it on reset.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/hpet.c b/hw/hpet.c
index 93fc399..e9b585c 100644
--- a/hw/hpet.c
+++ b/hw/hpet.c
@@ -648,10 +648,6 @@
s->hpet_counter = 0ULL;
s->hpet_offset = 0ULL;
- /* 64-bit main counter; LegacyReplacementRoute. */
- s->capability = 0x8086a001ULL;
- s->capability |= (s->num_timers - 1) << HPET_ID_NUM_TIM_SHIFT;
- s->capability |= ((HPET_CLK_PERIOD) << 32);
s->config = 0ULL;
if (count > 0) {
/* we don't enable pit when hpet_reset is first called (by hpet_init)
@@ -696,6 +692,11 @@
timer->state = s;
}
+ /* 64-bit main counter; LegacyReplacementRoute. */
+ s->capability = 0x8086a001ULL;
+ s->capability |= (s->num_timers - 1) << HPET_ID_NUM_TIM_SHIFT;
+ s->capability |= ((HPET_CLK_PERIOD) << 32);
+
isa_reserve_irq(RTC_ISA_IRQ);
qdev_init_gpio_in(&dev->qdev, hpet_handle_rtc_irq, 1);