Re: [PATCH v2 7/9] iio: dac: ad3552r: share model data structures

[David Lechner <dlechner@baylibre.com>]

On 1/8/25 11:29 AM, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@baylibre.com>
> 
> Preparing for new parts to be added also in the hs driver,
> set model data structures in ad3552r-common.c, to be accessible
> from both -hs and non hs driver.
> 
> Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
> ---
>  drivers/iio/dac/ad3552r-common.c | 40 ++++++++++++++++++++++++++++++++++++++++
>  drivers/iio/dac/ad3552r-hs.c     |  8 --------
>  drivers/iio/dac/ad3552r.c        | 36 ------------------------------------
>  drivers/iio/dac/ad3552r.h        |  5 +++++
>  4 files changed, 45 insertions(+), 44 deletions(-)
> 
> diff --git a/drivers/iio/dac/ad3552r-common.c b/drivers/iio/dac/ad3552r-common.c
> index 03e0864f5084..36920ec95836 100644
> --- a/drivers/iio/dac/ad3552r-common.c
> +++ b/drivers/iio/dac/ad3552r-common.c
> @@ -37,6 +37,46 @@ static const s32 gains_scaling_table[] = {
>  	[AD3552R_CH_GAIN_SCALING_0_125]		= 125
>  };
>  
> +const struct ad3552r_model_data ad3541r_model_data = {
> +	.model_name = "ad3541r",
> +	.chip_id = AD3541R_ID,
> +	.num_hw_channels = 1,
> +	.ranges_table = ad3542r_ch_ranges,
> +	.num_ranges = ARRAY_SIZE(ad3542r_ch_ranges),
> +	.requires_output_range = true,
> +};
> +EXPORT_SYMBOL_NS_GPL(ad3541r_model_data, "IIO_AD3552R");
> +
> +const struct ad3552r_model_data ad3542r_model_data = {
> +	.model_name = "ad3542r",
> +	.chip_id = AD3542R_ID,
> +	.num_hw_channels = 2,
> +	.ranges_table = ad3542r_ch_ranges,
> +	.num_ranges = ARRAY_SIZE(ad3542r_ch_ranges),
> +	.requires_output_range = true,
> +};
> +EXPORT_SYMBOL_NS_GPL(ad3542r_model_data, "IIO_AD3552R");
> +
> +const struct ad3552r_model_data ad3551r_model_data = {
> +	.model_name = "ad3551r",
> +	.chip_id = AD3551R_ID,
> +	.num_hw_channels = 1,
> +	.ranges_table = ad3552r_ch_ranges,
> +	.num_ranges = ARRAY_SIZE(ad3552r_ch_ranges),
> +	.requires_output_range = false,
> +};
> +EXPORT_SYMBOL_NS_GPL(ad3551r_model_data, "IIO_AD3552R");
> +
> +const struct ad3552r_model_data ad3552r_model_data = {
> +	.model_name = "ad3552r",
> +	.chip_id = AD3552R_ID,
> +	.num_hw_channels = 2,
> +	.ranges_table = ad3552r_ch_ranges,
> +	.num_ranges = ARRAY_SIZE(ad3552r_ch_ranges),
> +	.requires_output_range = false,
> +};
> +EXPORT_SYMBOL_NS_GPL(ad3552r_model_data, "IIO_AD3552R");
> +
>  u16 ad3552r_calc_custom_gain(u8 p, u8 n, s16 goffs)
>  {
>  	return FIELD_PREP(AD3552R_MASK_CH_RANGE_OVERRIDE, 1) |
> diff --git a/drivers/iio/dac/ad3552r-hs.c b/drivers/iio/dac/ad3552r-hs.c
> index 991b11702273..bfb6228c9b9b 100644
> --- a/drivers/iio/dac/ad3552r-hs.c
> +++ b/drivers/iio/dac/ad3552r-hs.c
> @@ -527,14 +527,6 @@ static int ad3552r_hs_probe(struct platform_device *pdev)
>  	return devm_iio_device_register(&pdev->dev, indio_dev);
>  }
>  
> -static const struct ad3552r_model_data ad3552r_model_data = {
> -	.model_name = "ad3552r",
> -	.chip_id = AD3552R_ID,
> -	.num_hw_channels = 2,
> -	.ranges_table = ad3552r_ch_ranges,
> -	.num_ranges = ARRAY_SIZE(ad3552r_ch_ranges),
> -};
> -
>  static const struct of_device_id ad3552r_hs_of_id[] = {
>  	{ .compatible = "adi,ad3552r", .data = &ad3552r_model_data },
>  	{ }
> diff --git a/drivers/iio/dac/ad3552r.c b/drivers/iio/dac/ad3552r.c
> index e7206af53af6..9d28e06b80c0 100644
> --- a/drivers/iio/dac/ad3552r.c
> +++ b/drivers/iio/dac/ad3552r.c
> @@ -649,42 +649,6 @@ static int ad3552r_probe(struct spi_device *spi)
>  	return devm_iio_device_register(&spi->dev, indio_dev);
>  }
>  
> -static const struct ad3552r_model_data ad3541r_model_data = {
> -	.model_name = "ad3541r",
> -	.chip_id = AD3541R_ID,
> -	.num_hw_channels = 1,
> -	.ranges_table = ad3542r_ch_ranges,
> -	.num_ranges = ARRAY_SIZE(ad3542r_ch_ranges),
> -	.requires_output_range = true,
> -};
> -
> -static const struct ad3552r_model_data ad3542r_model_data = {
> -	.model_name = "ad3542r",
> -	.chip_id = AD3542R_ID,
> -	.num_hw_channels = 2,
> -	.ranges_table = ad3542r_ch_ranges,
> -	.num_ranges = ARRAY_SIZE(ad3542r_ch_ranges),
> -	.requires_output_range = true,
> -};
> -
> -static const struct ad3552r_model_data ad3551r_model_data = {
> -	.model_name = "ad3551r",
> -	.chip_id = AD3551R_ID,
> -	.num_hw_channels = 1,
> -	.ranges_table = ad3552r_ch_ranges,
> -	.num_ranges = ARRAY_SIZE(ad3552r_ch_ranges),
> -	.requires_output_range = false,
> -};
> -
> -static const struct ad3552r_model_data ad3552r_model_data = {
> -	.model_name = "ad3552r",
> -	.chip_id = AD3552R_ID,
> -	.num_hw_channels = 2,
> -	.ranges_table = ad3552r_ch_ranges,
> -	.num_ranges = ARRAY_SIZE(ad3552r_ch_ranges),
> -	.requires_output_range = false,
> -};
> -
>  static const struct spi_device_id ad3552r_id[] = {
>  	{
>  		.name = "ad3541r",
> diff --git a/drivers/iio/dac/ad3552r.h b/drivers/iio/dac/ad3552r.h
> index 4b5581039ae9..23f038464a0c 100644
> --- a/drivers/iio/dac/ad3552r.h
> +++ b/drivers/iio/dac/ad3552r.h
> @@ -137,6 +137,11 @@
>  extern const s32 ad3552r_ch_ranges[AD3552R_MAX_RANGES][2];
>  extern const s32 ad3542r_ch_ranges[AD3542R_MAX_RANGES][2];

Do the ranges still need to be extern now or can we make them static in
ad3552r-common.c?

>  
> +extern const struct ad3552r_model_data ad3541r_model_data;
> +extern const struct ad3552r_model_data ad3542r_model_data;
> +extern const struct ad3552r_model_data ad3551r_model_data;
> +extern const struct ad3552r_model_data ad3552r_model_data;
> +
>  enum ad3552r_id {
>  	AD3541R_ID = 0x400b,
>  	AD3542R_ID = 0x4009,
>