diff options
| -rw-r--r-- | drivers/usb/core/usb.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 67e2e582e463..e5ff161776fa 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -223,6 +223,15 @@ static void ksuspend_usb_cleanup(void) #endif /* CONFIG_PM */ + +/* Returns 1 if @usb_bus is WUSB, 0 otherwise */ +static unsigned usb_bus_is_wusb(struct usb_bus *bus) +{ + struct usb_hcd *hcd = container_of(bus, struct usb_hcd, self); + return hcd->wireless; +} + + /** * usb_alloc_dev - usb device constructor (usbcore-internal) * @parent: hub to which device is connected; null to allocate a root hub @@ -239,6 +248,8 @@ struct usb_device * usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus, unsigned port1) { struct usb_device *dev; + struct usb_hcd *usb_hcd = container_of(bus, struct usb_hcd, self); + unsigned root_hub = 0; dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) @@ -275,6 +286,7 @@ usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus, unsigned port1) dev->dev.parent = bus->controller; sprintf(&dev->dev.bus_id[0], "usb%d", bus->busnum); + root_hub = 1; } else { /* match any labeling on the hubs; it's one-based */ if (parent->devpath[0] == '0') @@ -301,6 +313,12 @@ usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus, unsigned port1) INIT_DELAYED_WORK(&dev->autosuspend, usb_autosuspend_work); dev->autosuspend_delay = usb_autosuspend_delay * HZ; #endif + if (root_hub) /* Root hub always ok [and always wired] */ + dev->authorized = 1; + else { + dev->authorized = usb_hcd->authorized_default; + dev->wusb = usb_bus_is_wusb(bus)? 1 : 0; + } return dev; } |