linux-kernel - Re: [PATCH 3/3] USB: cdc-acm: fix TIOCGSERIAL implementation

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Message-ID: <0049152ce9da85c50fda91c1b77ca233ba0fef3d.camel@suse.com>
Date:   Thu, 08 Apr 2021 13:34:12 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     Johan Hovold <johan@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] USB: cdc-acm: fix TIOCGSERIAL implementation

Am Donnerstag, den 08.04.2021, 11:48 +0200 schrieb Johan Hovold:
> On Thu, Apr 08, 2021 at 10:36:46AM +0200, Oliver Neukum wrote:
> > Am Mittwoch, den 07.04.2021, 12:28 +0200 schrieb Johan Hovold:

> > Well, the devices report it. It is part of the standard.
> 
> No, the standard doesn't include anything about a baud-base clock
> AFAICT.

Unfortunately it does.
dwDTERate - chapter 6.3.11 - table 17

If we does this wrongly, we should certainly fix it, but just removing
the reporting doesn't look right to me.

	Regards
		Oliver