linux-kernel - Re: [PATCH 09/16] i2c: busses: i2c-mxs: Demote barely half complete kernel-doc header

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Date:   Fri, 4 Jun 2021 09:47:10 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Wolfram Sang <wsa@...nel.org>, linux-kernel@...r.kernel.org,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Marek Vasut <marex@...x.de>, linux-i2c@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 09/16] i2c: busses: i2c-mxs: Demote barely half complete
 kernel-doc header

On Thu, 03 Jun 2021, Wolfram Sang wrote:

> On Thu, May 20, 2021 at 08:00:58PM +0100, Lee Jones wrote:
> > Fixes the following W=1 kernel build warning(s):
> > 
> >  drivers/i2c/busses/i2c-mxs.c:131: warning: Function parameter or member 'timing0' not described in 'mxs_i2c_dev'
> >  drivers/i2c/busses/i2c-mxs.c:131: warning: Function parameter or member 'timing1' not described in 'mxs_i2c_dev'
> >  drivers/i2c/busses/i2c-mxs.c:131: warning: Function parameter or member 'timing2' not described in 'mxs_i2c_dev'
> >  drivers/i2c/busses/i2c-mxs.c:131: warning: Function parameter or member 'dmach' not described in 'mxs_i2c_dev'
> >  drivers/i2c/busses/i2c-mxs.c:131: warning: Function parameter or member 'pio_data' not described in 'mxs_i2c_dev'
> >  drivers/i2c/busses/i2c-mxs.c:131: warning: Function parameter or member 'addr_data' not described in 'mxs_i2c_dev'
> >  drivers/i2c/busses/i2c-mxs.c:131: warning: Function parameter or member 'sg_io' not described in 'mxs_i2c_dev'
> >  drivers/i2c/busses/i2c-mxs.c:131: warning: Function parameter or member 'dma_read' not described in 'mxs_i2c_dev'
> 
> Disabling kernel-doc works around, does not really fix, or?

You're right.

With cases of genuine oversight or a bit of doc-rot, I tend to help
where I can.  However issues such as these where documentation has
been either severely neglected or half-arsed require either the author
or another knowledgeable person so provide fix-ups in the way of
additional quality descriptions.

IMHO, we wouldn't want to foster the impression that it's okay to
provide a non-determined effort, safe in the knowledge that someone
will come along later and finish the job for them at a later date.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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