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path: root/drivers/usb/core
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Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/hcd.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 1609623ec82..ce3f453f02e 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -488,28 +488,39 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
switch (wValue & 0xff00) {
case USB_DT_DEVICE << 8:
- if (hcd->driver->flags & HCD_USB3)
+ switch (hcd->driver->flags & HCD_MASK) {
+ case HCD_USB3:
bufp = usb3_rh_dev_descriptor;
- else if (hcd->driver->flags & HCD_USB2)
+ break;
+ case HCD_USB2:
bufp = usb2_rh_dev_descriptor;
- else if (hcd->driver->flags & HCD_USB11)
+ break;
+ case HCD_USB11:
bufp = usb11_rh_dev_descriptor;
- else
+ break;
+ default:
goto error;
+ }
len = 18;
if (hcd->has_tt)
patch_protocol = 1;
break;
case USB_DT_CONFIG << 8:
- if (hcd->driver->flags & HCD_USB3) {
+ switch (hcd->driver->flags & HCD_MASK) {
+ case HCD_USB3:
bufp = ss_rh_config_descriptor;
len = sizeof ss_rh_config_descriptor;
- } else if (hcd->driver->flags & HCD_USB2) {
+ break;
+ case HCD_USB2:
bufp = hs_rh_config_descriptor;
len = sizeof hs_rh_config_descriptor;
- } else {
+ break;
+ case HCD_USB11:
bufp = fs_rh_config_descriptor;
len = sizeof fs_rh_config_descriptor;
+ break;
+ default:
+ goto error;
}
if (device_can_wakeup(&hcd->self.root_hub->dev))
patch_wakeup = 1;