Subject: Re: [PATCH 2/3] iio: adc: sun20i-gpadc: add A523 gpadc support

From: Andre Przywara <[email-masked]>
Date: Tue, 12 May 2026 15:48:05 +0200

Hi,

On 5/12/26 13:51, Jonathan Cameron wrote:
> On Sun, 10 May 2026 14:57:23 +0200
> Michal Piekos <[email-masked]> wrote:
> 
>> A523 differs from existing sun20i-gpadc-iio by having two clocks; bus
>> clock and module clock.
>>
>> Change driver to enable all clocks.
>>
>> Signed-off-by: Michal Piekos <[email-masked]>
> I'm expecting this to change given comment on not being quite compatible so
> I'll wait for v2 before reviewing.

Yes, we need a v2, but just for adding the new compatible string. 
Otherwise I think this patch is a neat solution, because we don't need 
to further differentiate between the different SoC's number of required 
clocks.

Cheers,
Andre

> 
> Thanks,
> 
> Jonathan
> 
>> ---
>>   drivers/iio/adc/sun20i-gpadc-iio.c | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/iio/adc/sun20i-gpadc-iio.c b/drivers/iio/adc/sun20i-gpadc-iio.c
>> index 861c14da75ad..dd4c7e6e3d76 100644
>> --- a/drivers/iio/adc/sun20i-gpadc-iio.c
>> +++ b/drivers/iio/adc/sun20i-gpadc-iio.c
>> @@ -180,7 +180,7 @@ static int sun20i_gpadc_probe(struct platform_device *pdev)
>>   	struct iio_dev *indio_dev;
>>   	struct sun20i_gpadc_iio *info;
>>   	struct reset_control *rst;
>> -	struct clk *clk;
>> +	struct clk_bulk_data *clks;
>>   	int irq;
>>   	int ret;
>>   
>> @@ -205,9 +205,9 @@ static int sun20i_gpadc_probe(struct platform_device *pdev)
>>   	if (IS_ERR(info->regs))
>>   		return PTR_ERR(info->regs);
>>   
>> -	clk = devm_clk_get_enabled(dev, NULL);
>> -	if (IS_ERR(clk))
>> -		return dev_err_probe(dev, PTR_ERR(clk), "failed to enable bus clock\n");
>> +	ret = devm_clk_bulk_get_all_enabled(dev, &clks);
>> +	if (ret < 0)
>> +		return dev_err_probe(dev, ret, "failed to enable clocks\n");
>>   
>>   	rst = devm_reset_control_get_exclusive(dev, NULL);
>>   	if (IS_ERR(rst))
>>
> 
>