linux-kernel - Re: [PATCH v3 4/4] staging: iio: ad7816: Add device tree table.

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Message-ID: <c2dd05ea2893315e848bcf48af5e51b415d7a22c.camel@analog.com>
Date:   Fri, 9 Nov 2018 08:11:57 +0000
From:   "Ardelean, Alexandru" <alexandru.Ardelean@...log.com>
To:     "lars@...afoo.de" <lars@...afoo.de>,
        "nishadkamdar@...il.com" <nishadkamdar@...il.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "knaack.h@....de" <knaack.h@....de>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "Hennerich, Michael" <Michael.Hennerich@...log.com>,
        "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "pmeerw@...erw.net" <pmeerw@...erw.net>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v3 4/4] staging: iio: ad7816: Add device tree table.

On Fri, 2018-11-09 at 13:08 +0530, Nishad Kamdar wrote:
> Add device tree table for matching vendor ID.

One comment inline for this.

Thanks
Alex

> 
> Signed-off-by: Nishad Kamdar <nishadkamdar@...il.com>
> ---
>  drivers/staging/iio/adc/ad7816.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/staging/iio/adc/ad7816.c
> b/drivers/staging/iio/adc/ad7816.c
> index a2fead85cd46..b8a9149fbac1 100644
> --- a/drivers/staging/iio/adc/ad7816.c
> +++ b/drivers/staging/iio/adc/ad7816.c
> @@ -422,6 +422,12 @@ static int ad7816_probe(struct spi_device *spi_dev)
>  	return 0;
>  }
>  
> +static const struct of_device_id ad7816_of_match[] = {
> +	{ .compatible = "adi,ad7816", },

I think you also need to add:
+	{ .compatible = "adi,ad7817", },
+	{ .compatible = "adi,ad7818", },

> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, ad7816_of_match);
> +
>  static const struct spi_device_id ad7816_id[] = {
>  	{ "ad7816", ID_AD7816 },
>  	{ "ad7817", ID_AD7817 },
> @@ -434,6 +440,7 @@ MODULE_DEVICE_TABLE(spi, ad7816_id);
>  static struct spi_driver ad7816_driver = {
>  	.driver = {
>  		.name = "ad7816",
> +		.of_match_table = of_match_ptr(ad7816_of_match),
>  	},
>  	.probe = ad7816_probe,
>  	.id_table = ad7816_id,