Re: [PATCH v1 1/1] iio: afe: rescale: Make use of device properties

From: Liam Beguin
Date: Thu Apr 14 2022 - 11:45:48 EST


Hi Andy,

On Wed, Apr 13, 2022 at 10:01:17PM +0300, Andy Shevchenko wrote:
> Convert the module to be property provider agnostic and allow
> it to be used on non-OF platforms.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> drivers/iio/afe/Kconfig | 1 -
> drivers/iio/afe/iio-rescale.c | 5 ++---
> 2 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/iio/afe/Kconfig b/drivers/iio/afe/Kconfig
> index 4fa397822cff..9a1d95c1c7ed 100644
> --- a/drivers/iio/afe/Kconfig
> +++ b/drivers/iio/afe/Kconfig
> @@ -8,7 +8,6 @@ menu "Analog Front Ends"
>
> config IIO_RESCALE
> tristate "IIO rescale"
> - depends on OF || COMPILE_TEST
> help
> Say yes here to build support for the IIO rescaling
> that handles voltage dividers, current sense shunts and
> diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c
> index 7e511293d6d1..c6cf709f0f05 100644
> --- a/drivers/iio/afe/iio-rescale.c
> +++ b/drivers/iio/afe/iio-rescale.c
> @@ -10,9 +10,8 @@
>
> #include <linux/err.h>
> #include <linux/gcd.h>
> +#include <linux/mod_devicetable.h>

Is this really needed?
device_get_match_data() is already defined in <linux/property.h>

Cheers,
Liam

> #include <linux/module.h>
> -#include <linux/of.h>
> -#include <linux/of_device.h>
> #include <linux/platform_device.h>
> #include <linux/property.h>
>
> @@ -536,7 +535,7 @@ static int rescale_probe(struct platform_device *pdev)
>
> rescale = iio_priv(indio_dev);
>
> - rescale->cfg = of_device_get_match_data(dev);
> + rescale->cfg = device_get_match_data(dev);
> rescale->numerator = 1;
> rescale->denominator = 1;
> rescale->offset = 0;
> --
> 2.35.1
>