At 2023-08-18 23:35:09, "Dingyan Li" <[email protected]> wrote:
>Current max speed supported in USB debugfs is 10000.
>Since USB 3.2 GEN_2x2 has reached 20000, it's better
>to add it. The idea is borrowed from USB sysfs, with
>a combination of USB_SPEED_SUPER_PLUS and
>USB_SSP_GEN_2x2, the actual speed should be 20000.
>
>Signed-off-by: Dingyan Li <[email protected]>
>---
> drivers/usb/core/devices.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
>index a247da73f34d..78ebcb657dce 100644
>--- a/drivers/usb/core/devices.c
>+++ b/drivers/usb/core/devices.c
>@@ -429,7 +429,11 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
> case USB_SPEED_SUPER:
> speed = "5000"; break;
> case USB_SPEED_SUPER_PLUS:
>- speed = "10000"; break;
>+ if (usbdev->ssp_rate == USB_SSP_GEN_2x2)
>+ speed = "20000";
>+ else
>+ speed = "10000";
>+ break;
> default:
> speed = "??";
> }
>--
>2.25.1
Please ignore this patch, which will be covered in another patch.
Sorry for the inconvenience.
Regards,
Dingyan