From: Greg KH <gregkh@linuxfoundation.org>
To: Jean-Francois Le Fillatre <jflf_kernel@gmx.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] usb: add quirks for Lenovo OneLink+ Dock
Date: Wed, 24 Aug 2022 18:48:10 +0200 [thread overview]
Message-ID: <YwZWSud0hr/+PpgI@kroah.com> (raw)
In-Reply-To: <20220824162641.11805-1-jflf_kernel@gmx.com>
On Wed, Aug 24, 2022 at 06:26:41PM +0200, Jean-Francois Le Fillatre wrote:
> From: JFLF <jflf_kernel@gmx.com>
>
> 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: Jean-Francois Le Fillatre <jflf_kernel@gmx.com>
Does not match your "From:" line :(
> ---
> drivers/usb/core/quirks.c | 4 ++++
> 1 file changed, 4 insertions(+)
Forgot to list below the --- line what changed from v1 :(
prev parent reply other threads:[~2022-08-24 16:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-24 16:26 [PATCH v2] usb: add quirks for Lenovo OneLink+ Dock Jean-Francois Le Fillatre
2022-08-24 16:48 ` Greg KH [this message]
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