diff options
Diffstat (limited to 'hw/usb.c')
| -rw-r--r-- | hw/usb.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/hw/usb.c b/hw/usb.c index 39d29f3daf..2eda86a58c 100644 --- a/hw/usb.c +++ b/hw/usb.c @@ -28,7 +28,25 @@ void usb_attach(USBPort *port, USBDevice *dev) { - port->ops->attach(port, dev); + if (dev != NULL) { + /* attach */ + if (port->dev) { + usb_attach(port, NULL); + } + dev->port = port; + port->dev = dev; + port->ops->attach(port); + usb_send_msg(dev, USB_MSG_ATTACH); + } else { + /* detach */ + dev = port->dev; + port->ops->detach(port); + if (dev) { + usb_send_msg(dev, USB_MSG_DETACH); + dev->port = NULL; + port->dev = NULL; + } + } } /**********************/ |