if (ehci_periodic_enabled(ehci) || ehci->pstate != EST_INACTIVE) {
need_timer++;
- expire_time = t_now + (get_ticks_per_sec() / FRAME_TIMER_FREQ);
+ ehci->async_stepdown = 0;
if (frames > ehci->maxframes) {
skipped_frames = frames - ehci->maxframes;
if (ehci->async_stepdown < ehci->maxframes / 2) {
ehci->async_stepdown++;
}
- expire_time = t_now + (get_ticks_per_sec()
- * ehci->async_stepdown / FRAME_TIMER_FREQ);
ehci_update_frindex(ehci, frames);
ehci->last_run_ns += FRAME_TIMER_NS * frames;
}
*/
if (ehci_async_enabled(ehci) || ehci->astate != EST_INACTIVE) {
need_timer++;
- qemu_bh_schedule(ehci->async_bh);
+ ehci_advance_async_state(ehci);
}
ehci_commit_irq(ehci);
}
if (need_timer) {
+ expire_time = t_now + (get_ticks_per_sec()
+ * (ehci->async_stepdown+1) / FRAME_TIMER_FREQ);
qemu_mod_timer(ehci->frame_timer, expire_time);
}
}