From patchwork Tue Nov 22 08:52:05 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Implement the function usb_hub_handle_reset From: hkran X-Patchwork-Id: 127019 Message-Id: <4ECB62B5.6040108@linux.vnet.ibm.com> To: qemu-devel Cc: hkran , Stefan Hajnoczi , Gerd Hoffmann Date: Tue, 22 Nov 2011 16:52:05 +0800 Implement the function usb_hub_handle_reset. without it the guest propablly fail to configure the usb device attached to the virtulized hub with a correct address. Typically, attaching more than one usb devices when lauch qemu may lead to the problem. Signed-off-by: hkran --- hw/usb-hub.c | 13 ++++++++++++- 1 files changed, 12 insertions(+), 1 deletions(-) static int usb_hub_handle_control(USBDevice *dev, USBPacket *p, diff --git a/hw/usb-hub.c b/hw/usb-hub.c index 3eb0f1a..6731075 100644 --- a/hw/usb-hub.c +++ b/hw/usb-hub.c @@ -220,7 +220,18 @@ static void usb_hub_complete(USBPort *port, USBPacket *packet) static void usb_hub_handle_reset(USBDevice *dev) { - /* XXX: do it */ + USBHubPort *port = NULL; + USBHubState *s = (USBHubState *)dev; + int i; + + for(i = 0; i < NUM_PORTS; i++) { + port = &(s->ports[i]); + if(port->wPortStatus & PORT_STAT_CONNECTION) { + usb_reset(&port->port); + port->wPortStatus = PORT_STAT_CONNECTION | PORT_STAT_POWER; + port->wPortChange = PORT_STAT_C_CONNECTION; + } + } }