Re: [PATCH v3 6/8] iio: adc: rzt2h: Prepare for SoCs with different ADC info

[Jonathan Cameron <jic23@kernel.org>]

On Fri, 23 Oct 2026 18:59:17 +0100
Prabhakar <prabhakar.csengg@gmail.com> wrote:

> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> Prepare the driver for RZ/V2H(P) support, where the ADC supports 8-bit and
> 12-bit conversion modes with channel configurations that differ from
> RZ/T2H.
> 
> Allow each SoC to provide its own IIO info structure and use the
> chip-specific configuration when registering the IIO device.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

FWIW as I'm not going to ask you to respin for this...
I think this should just have been squashed with patch 3 where
*_chip_info was originally introduced.

> ---
> v2->v3:
> - No change
> 
> v1->v2:
> - No change
> ---
>  drivers/iio/adc/rzt2h_adc.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/rzt2h_adc.c b/drivers/iio/adc/rzt2h_adc.c
> index 94dad479abff..dbe82939acc2 100644
> --- a/drivers/iio/adc/rzt2h_adc.c
> +++ b/drivers/iio/adc/rzt2h_adc.c
> @@ -68,6 +68,7 @@ struct rzt2h_adc;
>  struct rzt2h_adc_chip_info {
>  	const struct iio_chan_spec *chan_template;
>  	int (*sst_to_freq)(struct rzt2h_adc *adc, u8 sst);
> +	const struct iio_info *info;
>  	unsigned int num_channels;
>  	u8 features;
>  };
> @@ -763,7 +764,7 @@ static int rzt2h_adc_probe(struct platform_device *pdev)
>  		return ret;
>  
>  	indio_dev->name = "rzt2h-adc";
> -	indio_dev->info = &rzt2h_adc_iio_info;
> +	indio_dev->info = chip_info->info;
>  	indio_dev->modes = INDIO_DIRECT_MODE;
>  	indio_dev->channels = adc->channels;
>  	indio_dev->num_channels = adc->num_channels;
> @@ -778,6 +779,7 @@ static int rzt2h_adc_probe(struct platform_device *pdev)
>  static const struct rzt2h_adc_chip_info rzt2h_adc_info = {
>  	.chan_template = &rzt2h_adc_chan_template,
>  	.sst_to_freq = rzt2h_adc_sst_to_freq,
> +	.info = &rzt2h_adc_iio_info,
>  	.num_channels = 16,
>  	.features = RZT2H_ADC_FEATURE_CALIBRATION | RZT2H_ADC_FEATURE_SAMPLE_STATE,
>  };