netdev - Re: [PATCH RESEND 1/1] can: esd_usb: Allow REC and TEC to return to zero

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Date:   Wed, 30 Nov 2022 11:21:57 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Frank Jungclaus <Frank.Jungclaus@....eu>
Cc:     Stefan Mätje <Stefan.Maetje@....eu>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>,
        "wg@...ndegger.com" <wg@...ndegger.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mailhol.vincent@...adoo.fr" <mailhol.vincent@...adoo.fr>
Subject: Re: [PATCH RESEND 1/1] can: esd_usb: Allow REC and TEC to return to
 zero

On 29.11.2022 17:15:56, Frank Jungclaus wrote:
> Hello Marc,
> thanks for commenting.
> 
> On Fri, 2022-11-25 at 16:56 +0100, Marc Kleine-Budde wrote:
> > On 24.11.2022 21:38:06, Frank Jungclaus wrote:
> > > We don't get any further EVENT from an esd CAN USB device for changes
> > > on REC or TEC while those counters converge to 0 (with ecc == 0).
> > > So when handling the "Back to Error Active"-event force
> > > txerr = rxerr = 0, otherwise the berr-counters might stay on
> > > values like 95 forever ...
> > > 
> > > Also, to make life easier during the ongoing development a
> > > netdev_dbg() has been introduced to allow dumping error events send by
> > > an esd CAN USB device.
> > > 
> > > Signed-off-by: Frank Jungclaus <frank.jungclaus@....eu>
> > 
> > Please add a Fixes tag.
> > 
> > https://elixir.bootlin.com/linux/v6.0/source/Documentation/process/handling-regressions.rst#L107
> > 
> From my point of view this is not a regression, it's a sort of
> imperfection existing since the initial add of esd_usb(2).c to the
> kernel. So should I add a "Fixes:" referring to the initial commit?
> (Currently) I'm slow on the uptake ;)

Please add a fixes tag that refers to the code that this patch fixes.

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

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