Hosts that support USB 3.1 Enhaned SuperSpeed can set their speed to
HCD_USB31 to let usb core and host drivers know that the controller
supports new USB 3.1 features.
make sure usb core handle HCD_USB31 hosts correctly, for now similar
to HCD_USB3.
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
---
drivers/usb/core/hcd.c | 3 +++
include/linux/usb/hcd.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 86b3d11..a02d3e6 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -555,6 +555,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
switch (wValue & 0xff00) {
case USB_DT_DEVICE << 8:
switch (hcd->speed) {
+ case HCD_USB31:
case HCD_USB3:
bufp = usb3_rh_dev_descriptor;
break;
@@ -576,6 +577,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb)
break;
case USB_DT_CONFIG << 8:
switch (hcd->speed) {
+ case HCD_USB31:
case HCD_USB3:
bufp = ss_rh_config_descriptor;
len = sizeof ss_rh_config_descriptor;
@@ -2775,6 +2777,7 @@ int usb_add_hcd(struct usb_hcd *hcd,
rhdev->speed = USB_SPEED_WIRELESS;
break;
case HCD_USB3:
+ case HCD_USB31:
rhdev->speed = USB_SPEED_SUPER;
break;
default:
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 4d14727..f89c24b 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -250,6 +250,7 @@ struct hc_driver {
#define HCD_USB2 0x0020 /* USB 2.0 */
#define HCD_USB25 0x0030 /* Wireless USB 1.0 (USB 2.5)*/
#define HCD_USB3 0x0040 /* USB 3.0 */
+#define HCD_USB31 0x0050 /* USB 3.1 */
#define HCD_MASK 0x0070
#define HCD_BH 0x0100 /* URB complete in BH context */
--
1.9.1
--
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