linux-kernel - Re: [PATCH 3/3] iio: chemical: Add OF match table for CCS811 VOC sensor

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Date:   Mon, 13 Apr 2020 23:23:03 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     mani@...nel.org
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, narcisaanamaria12@...il.com,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald <pmeerw@...erw.net>,
        linux-iio <linux-iio@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] iio: chemical: Add OF match table for CCS811 VOC sensor

On Mon, Apr 13, 2020 at 10:23 AM <mani@...nel.org> wrote:
>
> From: Manivannan Sadhasivam <mani@...nel.org>
>
> Add devicetree OF match table support for CCS811 VOC sensor.

...

> +#include <linux/of.h>

Why?

...

> +static const struct of_device_id ccs811_dt_ids[] = {
> +       { .compatible = "ams,ccs811" },
> +       { }
> +};
> +MODULE_DEVICE_TABLE(of, ccs811_dt_ids);

Since it has no ugly ifdeffery...

>  static struct i2c_driver ccs811_driver = {
>         .driver = {
>                 .name = "ccs811",
> +               .of_match_table = of_match_ptr(ccs811_dt_ids),

...use of of_match_ptr() brings a compiler warning.

Drop of_match_ptr() for good. And thus drop redundant of.h.

>         },

-- 
With Best Regards,
Andy Shevchenko