linux-kernel - Re: [PATCH 5/9] iio: adc: at91_adc: merge at91_adc_probe_dt back in at91_adc

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Message-ID: <20201114191934.GB5272@piout.net>
Date:   Sat, 14 Nov 2020 20:19:34 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/9] iio: adc: at91_adc: merge at91_adc_probe_dt back in
 at91_adc_probe

On 14/11/2020 17:08:04+0000, Jonathan Cameron wrote:
> > -	ret = at91_adc_probe_dt(idev, pdev);
> > -	if (ret)
> > -		return ret;
> > +	st->caps = (struct at91_adc_caps *)
> > +		of_match_device(at91_adc_dt_ids, &pdev->dev)->data;
> 
> of_device_get match_data  - obviously an unrelated change but trivial enough
> I'd just slip it in this patch (unless you have it a later one!)
> 
> That returns a void * so no need for the cast.
> 

I guess I will change the next patch to use of_device_get_match_data as
Andy doesn't like it when the fo_ and device_ APIs are mixed.

> > +	st->registers = &st->caps->registers;
> > +	st->num_channels = st->caps->num_channels;
> > +
> > +	/* Check if touchscreen is supported. */
> > +	if (st->caps->has_ts) {
> > +		ret = at91_adc_probe_dt_ts(node, st, &idev->dev);
> > +		if (ret)
> > +			return ret;
> > +	}
> >  
> >  	platform_set_drvdata(pdev, idev);
> >  
> > @@ -1091,7 +1072,6 @@ static int at91_adc_probe(struct platform_device *pdev)
> >  	if (IS_ERR(st->reg_base))
> >  		return PTR_ERR(st->reg_base);
> >  
> > -
> Stray change that shouldn't be in this patch ideally but not that important.
> 

I know I sneaked this one in but I didn't want to have that as a separate
patch ;). I'll drop it.