linux-kernel - Re: [PATCH 3/5] staging: iio: adc: ad7192: removed spi_device

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Date:   Fri, 14 Feb 2020 15:48:46 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Alexandru Tachici <alexandru.tachici@...log.com>
Cc:     <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/5] staging: iio: adc: ad7192: removed spi_device_id

On Wed, 12 Feb 2020 18:17:19 +0200
Alexandru Tachici <alexandru.tachici@...log.com> wrote:

> This patch removes spi_device_id table and moves the
> init data (id of the chip) in the .data field
> of of_device_id table.
> 
> Signed-off-by: Alexandru Tachici <alexandru.tachici@...log.com>
Applied

Thanks,

Jonathan

> ---
>  drivers/staging/iio/adc/ad7192.c | 33 +++++++++++---------------------
>  1 file changed, 11 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
> index 8fca8915543d..8ec28aa8fa8a 100644
> --- a/drivers/staging/iio/adc/ad7192.c
> +++ b/drivers/staging/iio/adc/ad7192.c
> @@ -16,6 +16,7 @@
>  #include <linux/err.h>
>  #include <linux/sched.h>
>  #include <linux/delay.h>
> +#include <linux/of_device.h>
>  
>  #include <linux/iio/iio.h>
>  #include <linux/iio/sysfs.h>
> @@ -876,6 +877,15 @@ static int ad7192_channels_config(struct iio_dev *indio_dev)
>  	return 0;
>  }
>  
> +static const struct of_device_id ad7192_of_match[] = {
> +	{ .compatible = "adi,ad7190", .data = (void *)ID_AD7190 },
> +	{ .compatible = "adi,ad7192", .data = (void *)ID_AD7192 },
> +	{ .compatible = "adi,ad7193", .data = (void *)ID_AD7193 },
> +	{ .compatible = "adi,ad7195", .data = (void *)ID_AD7195 },
> +	{}
> +};
> +MODULE_DEVICE_TABLE(of, ad7192_of_match);
> +
>  static int ad7192_probe(struct spi_device *spi)
>  {
>  	struct ad7192_state *st;
> @@ -928,7 +938,7 @@ static int ad7192_probe(struct spi_device *spi)
>  	}
>  
>  	spi_set_drvdata(spi, indio_dev);
> -	st->devid = spi_get_device_id(spi)->driver_data;
> +	st->devid = (unsigned long)of_device_get_match_data(&spi->dev);
>  	indio_dev->dev.parent = &spi->dev;
>  	indio_dev->name = spi_get_device_id(spi)->name;
>  	indio_dev->modes = INDIO_DIRECT_MODE;
> @@ -1009,26 +1019,6 @@ static int ad7192_remove(struct spi_device *spi)
>  	return 0;
>  }
>  
> -static const struct spi_device_id ad7192_id[] = {
> -	{"ad7190", ID_AD7190},
> -	{"ad7192", ID_AD7192},
> -	{"ad7193", ID_AD7193},
> -	{"ad7195", ID_AD7195},
> -	{}
> -};
> -
> -MODULE_DEVICE_TABLE(spi, ad7192_id);
> -
> -static const struct of_device_id ad7192_of_match[] = {
> -	{ .compatible = "adi,ad7190" },
> -	{ .compatible = "adi,ad7192" },
> -	{ .compatible = "adi,ad7193" },
> -	{ .compatible = "adi,ad7195" },
> -	{}
> -};
> -
> -MODULE_DEVICE_TABLE(of, ad7192_of_match);
> -
>  static struct spi_driver ad7192_driver = {
>  	.driver = {
>  		.name	= "ad7192",
> @@ -1036,7 +1026,6 @@ static struct spi_driver ad7192_driver = {
>  	},
>  	.probe		= ad7192_probe,
>  	.remove		= ad7192_remove,
> -	.id_table	= ad7192_id,
>  };
>  module_spi_driver(ad7192_driver);
>