Implement the function usb_hub_handle_reset

PATCH New hkran 1 participant 1 message Nov 22, 2011

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hkran

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2011-11-22 08:38 UTC #0 lore raw

PATCH 1/1 Implement the function usb_hub_handle_reset

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 <[email protected]>

---
 hw/usb-hub.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

hw/usb-hub.c +12 -1

index 3eb0f1a..6731075 100644
@@ -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;
+        }
+    }
 }
 
 static int usb_hub_handle_control(USBDevice *dev, USBPacket *p,

Signature · 1 line

1.7.1