linux-kernel - Re: [PATCH v4 3/3] iio: proximity: Add a ChromeOS EC MKBP proximity driver

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Message-ID: <161266809977.76967.12637197400196121672@swboyd.mtv.corp.google.com>
Date:   Sat, 06 Feb 2021 19:21:39 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Gwendal Grignou <gwendal@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>
Subject: Re: [PATCH v4 3/3] iio: proximity: Add a ChromeOS EC MKBP proximity driver

Quoting Jonathan Cameron (2021-02-06 08:17:11)
> On Tue,  2 Feb 2021 10:44:34 -0800
> Stephen Boyd <swboyd@...omium.org> wrote:
> 
> > +static struct platform_driver cros_ec_mkbp_proximity_driver = {
> > +     .driver = {
> > +             .name = "cros-ec-mkbp-proximity",
> > +             .of_match_table = of_match_ptr(cros_ec_mkbp_proximity_of_match),
> I'm going to assume we know no one is going to use this with
> ACPI via PRP0001 given presumably the firmware on these devices
> is tightly controlled.

Correct.

> 
> However, we should should still drop the of_match_ptr
> as it will lead to an unused warning for cros_ec_mkbp_proximity_of_match
> if anyone builds this without CONFIG_OF + it sets a general bad
> precedence that I'd rather wasn't around for people to copy.
> Note that in general we are slowly ripping these out of IIO but
> probably lots still there.
> 
> If this is all that is needed in this version I'll just do it
> whilst applying unless anyone shouts.
> 

Agreed. Thanks for fixing that last little bit.