linux-kernel - Re: [v2,2/2] hwmon: (lm87) Add OF device ID table

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Date:   Thu, 13 Apr 2017 06:10:05 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Javier Martinez Canillas <javier@....samsung.com>
Cc:     linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        Jean Delvare <jdelvare@...e.com>
Subject: Re: [v2,2/2] hwmon: (lm87) Add OF device ID table

On Wed, Apr 12, 2017 at 09:21:39PM -0300, Javier Martinez Canillas wrote:
> The driver doesn't have a struct of_device_id table but supported devices
> are registered via Device Trees. This is working on the assumption that a
> I2C device registered via OF will always match a legacy I2C device ID and
> that the MODALIAS reported will always be of the form i2c:<device>.
> 
> But this could change in the future so the correct approach is to have an
> OF device ID table if the devices are registered via OF.
> 
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>

Applied.

Thanks,
Guenter

> ---
> Hello,
> 
> I should had included this patch in series [0] but it seems that I didn't.
> 
> [0]: https://lkml.org/lkml/2017/2/24/360
> 
> Best regards,
> Javier
> 
> Changes in v2:
> - Use the correct driver in subject line.
> - Keep OF device ID table sorted in the same order than I2C device ID table.
> 
>  drivers/hwmon/lm87.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
> index c0766e7392d3..b48d30760388 100644
> --- a/drivers/hwmon/lm87.c
> +++ b/drivers/hwmon/lm87.c
> @@ -985,10 +985,18 @@ static const struct i2c_device_id lm87_id[] = {
>  };
>  MODULE_DEVICE_TABLE(i2c, lm87_id);
>  
> +static const struct of_device_id lm87_of_match[] = {
> +	{ .compatible = "ti,lm87" },
> +	{ .compatible = "adi,adm1024" },
> +	{ },
> +};
> +MODULE_DEVICE_TABLE(of, lm87_of_match);
> +
>  static struct i2c_driver lm87_driver = {
>  	.class		= I2C_CLASS_HWMON,
>  	.driver = {
>  		.name	= "lm87",
> +		.of_match_table = lm87_of_match,
>  	},
>  	.probe		= lm87_probe,
>  	.id_table	= lm87_id,