[SeaBIOS] : USB 3.0 port failed if a USB 3.0 device is attached when power up

[Kevin O'Connor]

On Tue, Aug 25, 2015 at 06:11:53AM +0000, Zheng Bao wrote:
> I tried with Parmer, which I assume is close to ASUS F2A85-M, and got the same result.
> :(

Does the patch below help?  (Make sure CONFIG_THREADS=y).

-Kevin


--- a/src/hw/usb-xhci.c
+++ b/src/hw/usb-xhci.c
@@ -364,6 +364,7 @@ xhci_hub_reset(struct usbhub_s *hub, u32 port)
         writel(&xhci->pr[port].portsc, portsc);
         if (wait_bit(&xhci->pr[port].portsc, XHCI_PORTSC_PED, XHCI_PORTSC_PED, 100) != 0)
             return -1;
+        msleep(20);
         portsc = readl(&xhci->pr[port].portsc);
         rc = speed_from_xhci[xhci_get_field(portsc, XHCI_PORTSC_SPEED)];
         break;