linux-kernel - Re: [PATCH v2 05/17] iio: light: us5182d: Add OF device ID table

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Message-ID: <1a8ee6b0-1baf-4255-2da6-249ff55e7a77@kernel.org>
Date:   Sun, 19 Mar 2017 10:52:35 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Javier Martinez Canillas <javier@....samsung.com>,
        linux-kernel@...r.kernel.org
Cc:     linux-iio@...r.kernel.org, Hartmut Knaack <knaack.h@....de>,
        Gregor Boirie <gregor.boirie@...rot.com>,
        Sanchayan Maity <maitysanchayan@...il.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>
Subject: Re: [PATCH v2 05/17] iio: light: us5182d: Add OF device ID table

On 15/03/17 04:44, 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.

Jonathan
> ---
> 
>  drivers/iio/light/us5182d.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/iio/light/us5182d.c b/drivers/iio/light/us5182d.c
> index 18cf2e29e4d5..d571ad7291ed 100644
> --- a/drivers/iio/light/us5182d.c
> +++ b/drivers/iio/light/us5182d.c
> @@ -972,10 +972,17 @@ static const struct i2c_device_id us5182d_id[] = {
>  
>  MODULE_DEVICE_TABLE(i2c, us5182d_id);
>  
> +static const struct of_device_id us5182d_of_match[] = {
> +	{ .compatible = "upisemi,usd5182" },
> +	{}
> +};
> +MODULE_DEVICE_TABLE(of, us5182d_of_match);
> +
>  static struct i2c_driver us5182d_driver = {
>  	.driver = {
>  		.name = US5182D_DRV_NAME,
>  		.pm = &us5182d_pm_ops,
> +		.of_match_table = us5182d_of_match,
>  		.acpi_match_table = ACPI_PTR(us5182d_acpi_match),
>  	},
>  	.probe = us5182d_probe,
>