linux-kernel - Re: [PATCH] staging: iio: ad5933: finalized device-tree support

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Date:   Sat, 24 Nov 2018 09:21:47 +0100
From:   Slawomir Stepien <sst@...zta.fm>
To:     Marcelo Schmitt <marcelo.schmitt1@...il.com>
Cc:     lars@...afoo.de, Michael.Hennerich@...log.com, jic23@...nel.org,
        knaack.h@....de, pmeerw@...erw.net, gregkh@...uxfoundation.org,
        linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, kernel-usp@...glegroups.com
Subject: Re: [PATCH] staging: iio: ad5933: finalized device-tree support

On lis 23, 2018 21:51, Marcelo Schmitt wrote:
> Added a of_device_id struct variable and subsequent call to
> MODULE_DEVICE_TABLE macro to complete device-tree support for this
> driver.
> 
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@...il.com>
> ---
>  drivers/staging/iio/impedance-analyzer/ad5933.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
> index edb8b540bbf1..19e8b6d2865c 100644
> --- a/drivers/staging/iio/impedance-analyzer/ad5933.c
> +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
> @@ -771,9 +771,18 @@ static const struct i2c_device_id ad5933_id[] = {
>  
>  MODULE_DEVICE_TABLE(i2c, ad5933_id);
>  
> +static const struct of_device_id ad5933_of_match[] = {
> +	{ .compatible = "analog-devices,ad5933" },
> +	{ .compatible = "analog-devices,ad5934" },

Why "analog-devices", rather than "adi"? My understanding is that analog devices
have "adi" as a manufacture part in compatible.

> +	{ },
> +};
> +
> +MODULE_DEVICE_TABLE(of, ad5933_of_match);
> +
>  static struct i2c_driver ad5933_driver = {
>  	.driver = {
>  		.name = "ad5933",
> +		.of_match_table = ad5933_of_match,
>  	},
>  	.probe = ad5933_probe,
>  	.remove = ad5933_remove,

-- 
Slawomir Stepien