Re: [PATCH] staging: iio: ad7816: Switch to the gpio descriptor interface

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On Tue, Oct 16, 2018 at 05:10:14PM +0200, Lars-Peter Clausen wrote:
> On 10/16/2018 04:46 PM, Nishad Kamdar wrote:
> > Use the gpiod interface for rdwr_pin, convert_pin and busy_pin
> > instead of the deprecated old non-descriptor interface.
> > 
> > Signed-off-by: Nishad Kamdar <nishadkamdar@xxxxxxxxx>
> 
> Hi,
> 
> Thanks for the patch, this looks good.
> 
> One thing about the error messages though.
> 
> > +	chip->rdwr_pin = devm_gpiod_get(&spi_dev->dev, "rdwr", GPIOD_IN);
> > +	if (IS_ERR(chip->rdwr_pin)) {
> > +		ret = PTR_ERR(chip->rdwr_pin);
> >  		dev_err(&spi_dev->dev, "Fail to request rdwr gpio PIN %d.\n",
> > -			chip->rdwr_pin);
> > +			ret);
> 
> This previously showed the pin number which has now been replaced with the
> error code. The message doesn't make that much sense semantically anymore.
> Maybe replace it with something like
> 
> 	"Failed to request rdwr GPIO: %d\n", ret
> 
> >  		return ret;

Hello,

Ok, I'll do that.

Thanks for the review.

regards,
Nishad
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