usb: kill usb_send_msg

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Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

hw/usb.c

@@ -295,19 +295,6 @@ int set_usb_string(uint8_t *buf, const char *str)
     return q - buf;
 }
 
-/* Send an internal message to a USB device.  */
-void usb_send_msg(USBDevice *dev, int msg)
-{
-    USBPacket p;
-    int ret;
-
-    memset(&p, 0, sizeof(p));
-    p.pid = msg;
-    ret = usb_handle_packet(dev, &p);
-    /* This _must_ be synchronous */
-    assert(ret != USB_RET_ASYNC);
-}
-
 /* Hand over a packet to a device for processing.  Return value
    USB_RET_ASYNC indicates the processing isn't finished yet, the
    driver will call usb_packet_complete() when done processing it. */

hw/usb.h

@@ -355,7 +355,6 @@ void usb_wakeup(USBDevice *dev);
 int usb_generic_handle_packet(USBDevice *s, USBPacket *p);
 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
 int set_usb_string(uint8_t *buf, const char *str);
-void usb_send_msg(USBDevice *dev, int msg);
 
 /* usb-linux.c */
 USBDevice *usb_host_device_open(const char *devname);