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Message-ID: <e4f47b8cb02d9b1d67ce58aad8b1b3da600fb02d.camel@gmail.com>
Date: Mon, 13 Jan 2025 16:10:21 +0000
From: Nuno Sá <noname.nuno@...il.com>
To: Angelo Dureghello <adureghello@...libre.com>, Lars-Peter Clausen
	 <lars@...afoo.de>, Michael Hennerich <Michael.Hennerich@...log.com>, 
 Jonathan Cameron
	 <jic23@...nel.org>, David Lechner <dlechner@...libre.com>, Nuno Sa
	 <nuno.sa@...log.com>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
 linux-iio@...r.kernel.org, 	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 7/9] iio: dac: ad3552r: share model data structures

On Fri, 2025-01-10 at 11:24 +0100, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@...libre.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@...libre.com>
> ---

Reviewed-by: Nuno Sa <nuno.sa@...log.com>

>  drivers/iio/dac/ad3552r-common.c | 46 ++++++++++++++++++++++++++++++++++++---
> -
>  drivers/iio/dac/ad3552r-hs.c     |  8 -------
>  drivers/iio/dac/ad3552r.c        | 36 -------------------------------
>  drivers/iio/dac/ad3552r.h        |  6 ++++--
>  4 files changed, 46 insertions(+), 50 deletions(-)
> 
> diff --git a/drivers/iio/dac/ad3552r-common.c b/drivers/iio/dac/ad3552r-
> common.c
> index 03e0864f5084..ded90bf57baf 100644
> --- a/drivers/iio/dac/ad3552r-common.c
> +++ b/drivers/iio/dac/ad3552r-common.c
> @@ -11,23 +11,21 @@
>  
>  #include "ad3552r.h"
>  
> -const s32 ad3552r_ch_ranges[AD3552R_MAX_RANGES][2] = {
> +static const s32 ad3552r_ch_ranges[AD3552R_MAX_RANGES][2] = {
>  	[AD3552R_CH_OUTPUT_RANGE_0__2P5V]	= { 0, 2500 },
>  	[AD3552R_CH_OUTPUT_RANGE_0__5V]		= { 0, 5000 },
>  	[AD3552R_CH_OUTPUT_RANGE_0__10V]	= { 0, 10000 },
>  	[AD3552R_CH_OUTPUT_RANGE_NEG_5__5V]	= { -5000, 5000 },
>  	[AD3552R_CH_OUTPUT_RANGE_NEG_10__10V]	= { -10000, 10000 }
>  };
> -EXPORT_SYMBOL_NS_GPL(ad3552r_ch_ranges, "IIO_AD3552R");
>  
> -const s32 ad3542r_ch_ranges[AD3542R_MAX_RANGES][2] = {
> +static const s32 ad3542r_ch_ranges[AD3542R_MAX_RANGES][2] = {
>  	[AD3542R_CH_OUTPUT_RANGE_0__2P5V]	= { 0, 2500 },
>  	[AD3542R_CH_OUTPUT_RANGE_0__5V]		= { 0, 5000 },
>  	[AD3542R_CH_OUTPUT_RANGE_0__10V]	= { 0, 10000 },
>  	[AD3542R_CH_OUTPUT_RANGE_NEG_5__5V]	= { -5000, 5000 },
>  	[AD3542R_CH_OUTPUT_RANGE_NEG_2P5__7P5V]	= { -2500, 7500 }
>  };
> -EXPORT_SYMBOL_NS_GPL(ad3542r_ch_ranges, "IIO_AD3552R");
>  
>  /* Gain * AD3552R_GAIN_SCALE */
>  static const s32 gains_scaling_table[] = {
> @@ -37,6 +35,46 @@ 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..3dc8d1d9c0f9 100644
> --- a/drivers/iio/dac/ad3552r.h
> +++ b/drivers/iio/dac/ad3552r.h
> @@ -134,8 +134,10 @@
>  #define AD3542R_MAX_RANGES	5
>  #define AD3552R_QUAD_SPI	2
>  
> -extern const s32 ad3552r_ch_ranges[AD3552R_MAX_RANGES][2];
> -extern const s32 ad3542r_ch_ranges[AD3542R_MAX_RANGES][2];
> +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,
> 


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