linux-kernel - Re: [PATCH] usb: add quirks for Lenovo OneLink+ Dock

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Date:   Wed, 24 Aug 2022 18:19:05 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     JFLF <jflf_kernel@....com>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: add quirks for Lenovo OneLink+ Dock

On Wed, Aug 24, 2022 at 06:09:46PM +0200, JFLF wrote:
> The Lenovo OneLink+ Dock contains two VL812 USB3.0 controllers:
> 17ef:1018 upstream
> 17ef:1019 downstream
> 
> Those two controllers both have problems with some USB3.0 devices,
> particularly self-powered ones. Typical error messages include:
> 
>   Timeout while waiting for setup device command
>   device not accepting address X, error -62
>   unable to enumerate USB device
> 
> By process of elimination the controllers themselves were identified as
> the cause of the problem. Through trial and error the issue was solved
> by using USB_QUIRK_RESET_RESUME for both chips.
> 
> Signed-off-by: JFLF <jflf_kernel@....com>

We need a real name, sorry, please use what you sign documents with.

thanks,

greg k-h