Re: [PATCH v3] Currently if the SoC needs pinctrl to switch the SCL and SDA from the I2C function to GPIO function, the recovery won't work.

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On Tue, Aug 22, 2023 at 03:02:48PM +0300, Andy Shevchenko wrote:
> On Tue, Aug 22, 2023 at 11:15:55AM +0200, Yann Sionneau wrote:

...

> > +	rinfo->pinctrl = devm_pinctrl_get(dev->dev);
> > +	if (IS_ERR(rinfo->pinctrl)) {
> > +		if (PTR_ERR(rinfo->pinctrl) == -EPROBE_DEFER)
> > +			return PTR_ERR(rinfo->pinctrl);
> > +
> > +		rinfo->pinctrl = NULL;
> > +		dev_err(dev->dev, "getting pinctrl info failed: bus recovery might not work\n");
> > +	} else if (!rinfo->pinctrl) {
> > +		dev_dbg(dev->dev, "pinctrl is disabled, bus recovery might not work\n");
> > +	}
> 
> A bit of bikeshedding, would the below be slightly better?
> 
> 	rinfo->pinctrl = devm_pinctrl_get(dev->dev);
> 	if (IS_ERR(rinfo->pinctrl)) {
> 		if (PTR_ERR(rinfo->pinctrl) == -EPROBE_DEFER)
> 			return PTR_ERR(rinfo->pinctrl);
> 
> 		rinfo->pinctrl = NULL;
> 		dev_err(dev->dev, "getting pinctrl info failed, disabling...\n");
> 	}
> 	if (!rinfo->pinctrl)
> 		dev_dbg(dev->dev, "pinctrl is disabled, bus recovery might not work\n");

On the second thought they are on a different levels... Anyway, up to you,
folks, what to do with that, I gave already my tag.

-- 
With Best Regards,
Andy Shevchenko





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