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Subject: Re: [PATCH v2 17/17] iio: gyro: itg3200: Add OF device ID table
To: Javier Martinez Canillas <javier@osg.samsung.com>,
        linux-kernel@vger.kernel.org
References: <20170315044505.20660-1-javier@osg.samsung.com>
 <20170315044505.20660-18-javier@osg.samsung.com>
Cc: linux-iio@vger.kernel.org, Hartmut Knaack <knaack.h@gmx.de>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>
From: Jonathan Cameron <jic23@kernel.org>
Message-ID: <4cefd496-9a87-f6da-58cd-c0310bd4e4eb@kernel.org>
Date: Sun, 19 Mar 2017 10:59:49 +0000
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On 15/03/17 04:45, 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@osg.samsung.com>
Applied to the togreg branch of iio.git and pushed out as testing for the
autobuilders to play with it.

Thanks,

Jonathan
> 
> ---
> 
>  drivers/iio/gyro/itg3200_core.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c
> index c102a6325bb0..cfa2db04a8ab 100644
> --- a/drivers/iio/gyro/itg3200_core.c
> +++ b/drivers/iio/gyro/itg3200_core.c
> @@ -377,9 +377,16 @@ static const struct i2c_device_id itg3200_id[] = {
>  };
>  MODULE_DEVICE_TABLE(i2c, itg3200_id);
>  
> +static const struct of_device_id itg3200_of_match[] = {
> +	{ .compatible = "invensense,itg3200" },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, itg3200_of_match);
> +
>  static struct i2c_driver itg3200_driver = {
>  	.driver = {
>  		.name	= "itg3200",
> +		.of_match_table = itg3200_of_match,
>  		.pm	= &itg3200_pm_ops,
>  	},
>  	.id_table	= itg3200_id,
>