[U-Boot] [PATCH 10/14] usb: hub: Clear BH reset status change for a 3.0 hub

[Stefan Roese]

On 18.09.2017 15:40, Bin Meng wrote:
> 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 at 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 a9d21bc..325d16d 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);
>   
> 

Reviewed-by: Stefan Roese <sr at denx.de>
Tested-by: Stefan Roese <sr at denx.de>

Thanks,
Stefan