@@ -245,6 +245,17 @@ static void usb_hub_detach(USBPort *port1)
}
}
+static void usb_hub_wakeup(USBDevice *dev)
+{
+ USBHubState *s = dev->port->opaque;
+ USBHubPort *port = &s->ports[dev->port->index];
+
+ if (port->wPortStatus & PORT_STAT_SUSPEND) {
+ port->wPortChange |= PORT_STAT_C_SUSPEND;
+ usb_wakeup(&s->dev);
+ }
+}
+
static void usb_hub_handle_reset(USBDevice *dev)
{
/* XXX: do it */
@@ -502,6 +513,7 @@ static void usb_hub_handle_destroy(USBDevice *dev)
static USBPortOps usb_hub_port_ops = {
.attach = usb_hub_attach,
.detach = usb_hub_detach,
+ .wakeup = usb_hub_wakeup,
};
static int usb_hub_initfn(USBDevice *dev)
This patch makes the usb hub handle remote wakeup requests from devices properly by updating the port status register and forwarding the wakeup to the upstream port. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- hw/usb-hub.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-)