linux-kernel - Re: Re: Re: Re: [PATCH] USB: serial: option: add support for Foxconn T99W651

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Message-ID: <2024090237-pacemaker-natural-e0ff@gregkh>
Date: Mon, 2 Sep 2024 07:59:28 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Slark Xiao <slark_xiao@....com>
Cc: Johan Hovold <johan@...nel.org>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Re: Re: Re: [PATCH] USB: serial: option: add support for Foxconn
 T99W651

On Mon, Sep 02, 2024 at 11:59:42AM +0800, Slark Xiao wrote:
> At 2024-07-05 17:39:56, "Greg KH" <gregkh@...uxfoundation.org> wrote:
> >On Fri, Jul 05, 2024 at 05:34:06PM +0800, Slark Xiao wrote:
> >> 
> >> At 2024-07-05 17:22:13, "Johan Hovold" <johan@...nel.org> wrote:
> >> >On Fri, Jul 05, 2024 at 05:11:22PM +0800, Slark Xiao wrote:
> >> >
> >> >> I have a concern about the test result of "usb-devices" in Ubuntu
> >> >> 22.04. Do you know why it wouldn't show our devices any more? 
> >> >
> >> >No, sorry, no idea. Everything seems to work here with the latest
> >> >usbutils-017.
> >> >
> >> >Is it just your devices that no longer show up or doesn't it work at
> >> >all?
> >> >
> >> A lot of devices missed in Ubuntu 22.04, especially for modem devices.
> >> Nothing would be printed for modem devices.
> >
> >What specific version of usbutils are you using?
> >
> >If you pull from the github repo, can you try the version there?
> >
> >And if that has problems, a diff of both working and not-working would
> >be great.
> >
> >thanks,
> >
> >greg k-h
> Hi Greg,
> I reproduced this issue again. And now I checked it with different usbutils
> version one by one.  Version 014 has this issue. Both 013 and 015 works well.
> Please see attached log:

So this is fine now with the latest version?  Note that 015 was released
way back in 2022 and that is even quite old, 017 is the latest release
of usbutils.

A problem in usb-devices was fixed in the 015 release, dealing with
recursion and overwriting existing variables, so odds are that is what
fixed the problem you were having.  Please just use that or newer and
all should be fine.

thanks,

greg k-h