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...@gmail.com>
---
Changes in v3: None
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);
--
2.9.2
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