usb-host: remove usb_host_device_close

Nobody implements that anyway.
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

hw/usb.h

@@ -434,7 +434,6 @@ int set_usb_string(uint8_t *buf, const char *str);
 
 /* usb-linux.c */
 USBDevice *usb_host_device_open(USBBus *bus, const char *devname);
-int usb_host_device_close(const char *devname);
 void usb_host_info(Monitor *mon, const QDict *qdict);
 
 /* usb-bt.c */

hw/usb/host-bsd.c

@@ -637,9 +637,3 @@ void usb_host_info(Monitor *mon, const QDict *qdict)
 {
     usb_host_scan(mon, usb_host_info_device);
 }
-
-/* XXX add this */
-int usb_host_device_close(const char *devname)
-{
-    return 0;
-}

hw/usb/host-linux.c

@@ -1540,30 +1540,6 @@ static void usb_host_register_types(void)
 
 type_init(usb_host_register_types)
 
-int usb_host_device_close(const char *devname)
-{
-#if 0
-    char product_name[PRODUCT_NAME_SZ];
-    int bus_num, addr;
-    USBHostDevice *s;
-
-    if (strstr(devname, "auto:")) {
-        return usb_host_auto_del(devname);
-    }
-    if (usb_host_find_device(&bus_num, &addr, product_name,
-                                    sizeof(product_name), devname) < 0) {
-        return -1;
-    }
-    s = hostdev_find(bus_num, addr);
-    if (s) {
-        usb_device_delete_addr(s->bus_num, s->dev.addr);
-        return 0;
-    }
-#endif
-
-    return -1;
-}
-
 /*
  * Read sys file-system device file
  *

hw/usb/host-stub.c

@@ -45,8 +45,3 @@ USBDevice *usb_host_device_open(USBBus *bus, const char *devname)
 {
     return NULL;
 }
-
-int usb_host_device_close(const char *devname)
-{
-    return 0;
-}

vl.c

@@ -1427,8 +1427,9 @@ static int usb_device_del(const char *devname)
     int bus_num, addr;
     const char *p;
 
-    if (strstart(devname, "host:", &p))
-        return usb_host_device_close(p);
+    if (strstart(devname, "host:", &p)) {
+        return -1;
+    }
 
     if (!usb_enabled(false)) {
         return -1;