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From: Greg KH <gregkh@linuxfoundation.org>
To: JFLF <jflf_kernel@gmx.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: add quirks for Lenovo OneLink+ Dock
Date: Wed, 24 Aug 2022 18:19:05 +0200	[thread overview]
Message-ID: <YwZPeZJ7bbxlWpw+@kroah.com> (raw)
In-Reply-To: <20220824160946.10128-1-jflf_kernel@gmx.com>

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@gmx.com>

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

thanks,

greg k-h

  reply	other threads:[~2022-08-24 16:19 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-24 16:09 [PATCH] usb: add quirks for Lenovo OneLink+ Dock JFLF
2022-08-24 16:19 ` Greg KH [this message]
2022-08-30 11:54 ` Oliver Neukum
2022-08-30 13:56   ` jflf_kernel
2022-08-30 14:47     ` Oliver Neukum
2022-08-30 19:50       ` jflf_kernel
2022-08-31  7:31         ` Greg KH
2022-08-31  7:43           ` jflf_kernel
2022-08-31  8:35             ` Greg KH
2022-08-31  9:16         ` Oliver Neukum
2022-09-04 21:38           ` jflf_kernel

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