@@ -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 */
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- hw/usb/hcd-ehci.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)