diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2012-11-13 17:20:05 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2012-11-16 11:27:32 +0100 |
| commit | 40862309a9d733cb0e878c79f477de003897b5d2 (patch) | |
| tree | 4d43eeaa2151054df380d942d9501f862e208359 /hw/usb/hcd-ehci.c | |
| parent | 2c7b15c1dec4b2ec17549c760df0b7a7cea3ed7d (diff) | |
| download | qemu-40862309a9d733cb0e878c79f477de003897b5d2.tar.gz | |
ehci: keep the frame timer running in case the guest asked for frame list rollover interrupts
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-ehci.c')
| -rw-r--r-- | hw/usb/hcd-ehci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 287a066d0a..14269dafed 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -964,6 +964,9 @@ static void ehci_opreg_write(void *ptr, hwaddr addr, case USBINTR: val &= USBINTR_MASK; + if (ehci_enabled(s) && (USBSTS_FLR & val)) { + qemu_bh_schedule(s->async_bh); + } break; case FRINDEX: @@ -2220,6 +2223,10 @@ static void ehci_frame_timer(void *opaque) ehci->async_stepdown = 0; } + if (ehci_enabled(ehci) && (ehci->usbintr & USBSTS_FLR)) { + need_timer++; + } + if (need_timer) { /* If we've raised int, we speed up the timer, so that we quickly * notice any new packets queued up in response */ |