USB 3.0 hubs report bit[5] in the port status change response as BH reset. The hub shall set the C_BH_PORT_RESET field for this port.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
common/usb_hub.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/common/usb_hub.c b/common/usb_hub.c index ce85ac6..dc115ad 100644 --- a/common/usb_hub.c +++ b/common/usb_hub.c @@ -494,6 +494,12 @@ static int usb_scan_port(struct usb_device_scan *usb_scan) usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_C_RESET); }
+ if ((portchange & USB_SS_PORT_STAT_C_BH_RESET) && + usb_hub_is_superspeed(dev)) { + debug("port %d BH reset change\n", i + 1); + usb_clear_port_feature(dev, i + 1, USB_SS_PORT_FEAT_C_BH_RESET); + } + /* A new USB device is ready at this point */ debug("devnum=%d port=%d: USB dev found\n", dev->devnum, i + 1);