USB 3.1 (3.2) support in U-Boot?

Mon, 26 Apr 2021 03:22:26 -0700 

Hi All,

does anyone know of the USB 3.1 support status in mainline U-Boot? I've
only seen these related patches:

commit d92e866f6008fdd6483735c6fd1ed95c8fdc87b1
Author: Chunfeng Yun <chunfeng....@mediatek.com>
Date:   Wed Oct 14 15:08:28 2020 +0800

    usb: common: add define of usb_speed_string()

    There is only declaration of usb_speed_string(), but no definition,
    so add it to avoid build error when call it.

    Signed-off-by: Chunfeng Yun <chunfeng....@mediatek.com>
    Reviewed-by: Bin Meng <bmeng...@gmail.com>

commit a4de6e380fd1078c3f06210a0be0f3f8a69062dc
Author: Chunfeng Yun <chunfeng....@mediatek.com>
Date:   Wed Oct 14 15:08:27 2020 +0800

    usb: add USB_SPEED_SUPER_PLUS

    Add enum USB_SPEED_SUPER_PLUS for USB3.1

    Signed-off-by: Chunfeng Yun <chunfeng....@mediatek.com>
    Reviewed-by: Bin Meng <bmeng...@gmail.com>


With no real functional changes. So has anyone already successfully
tested an USB 3.1 controller in recent U-Boot?

Thanks,
Stefan

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