[U-Boot] [PATCH v2 07/13] usb: hub: Clear port reset before usb_hub_port_connect_change()

[Bin Meng]

During usb_hub_port_connect_change(), a port reset set feature
request is issued to the port, and later a port reset clear feature
is done to the same port before the function returns. However at
the end of usb_scan_port(), we attempt to clear port reset again
on a cached port status change variable, which should not be done.

Adjust the call to clear port reset to right before the call to
usb_hub_port_connect_change().

Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---

 common/usb_hub.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/common/usb_hub.c b/common/usb_hub.c
index 70bc6e2..ce85ac6 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -489,6 +489,11 @@ static int usb_scan_port(struct usb_device_scan *usb_scan)
 		return 0;
 	}
 
+	if (portchange & USB_PORT_STAT_C_RESET) {
+		debug("port %d reset change\n", i + 1);
+		usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_C_RESET);
+	}
+
 	/* A new USB device is ready at this point */
 	debug("devnum=%d port=%d: USB dev found\n", dev->devnum, i + 1);
 
@@ -543,11 +548,6 @@ static int usb_scan_port(struct usb_device_scan *usb_scan)
 		       hub->overcurrent_count[i]);
 	}
 
-	if (portchange & USB_PORT_STAT_C_RESET) {
-		debug("port %d reset change\n", i + 1);
-		usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_C_RESET);
-	}
-
 	/*
 	 * We're done with this device, so let's remove this device from
 	 * scanning list
-- 
2.9.2