linux-kernel - Re: [PATCH] staging: iio: ad9832: Add device tree support

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Date:   Sun, 19 May 2019 12:19:35 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     João Seckler <joaoseckler@...il.com>
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Stefan Popa <stefan.popa@...log.com>,
        Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: iio: ad9832: Add device tree support

On Sat, 18 May 2019 17:48:25 -0300
João Seckler <joaoseckler@...il.com> wrote:

> Add a of_device_id struct variable and subsequent call to
> MODULE_DEVICE_TABLE macro to support device tree.
> 
> Signed-off-by: João Seckler <joaoseckler@...il.com>
> Signed-off-by: Anderson Reis <andersonreisrosa@...il.com>
> Co-developed-by: Anderson Reis  <andersonreisrosa@...il.com>
> Signed-off-by: Andre Tadeu de Carvalho <andre.tadeu.de.carvalho@...il.com>
> Co-developed-by: Andre Tadeu de Carvalho <andre.tadeu.de.carvalho@...il.com>
Hi All,

Missing the setting of the relevant entry in the spi_driver structure.
Otherwise looks fine,

Thanks,

Jonathan
> ---
>  drivers/staging/iio/frequency/ad9832.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c
> index 74308a2e72db..51e97c74c6b2 100644
> --- a/drivers/staging/iio/frequency/ad9832.c
> +++ b/drivers/staging/iio/frequency/ad9832.c
> @@ -451,6 +451,13 @@ static int ad9832_remove(struct spi_device *spi)
>  	return 0;
>  }
>  
> +static const struct of_device_id ad9832_of_match[] = {
> +	{ .compatible = "adi,ad9832", },
> +	{ .compatible = "adi,ad9835", },
> +	{ /* sentinel */ },
> +};
> +MODULE_DEVICE_TABLE(of, ad9832_of_match);
> +
>  static const struct spi_device_id ad9832_id[] = {
>  	{"ad9832", 0},
>  	{"ad9835", 0},