Re: [PATCH v5 2/6] iio: adc: mcp3911: make use of dev_err_probe()

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On Mon, Aug 14, 2023 at 02:10:06PM +0200, Marcus Folkesson wrote:
> Simplify code by switch to dev_err_probe().
> 
> Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Signed-off-by: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
> ---
> 
> Notes:
>     v5:
>         - New patch in this series
> 
>  drivers/iio/adc/mcp3911.c | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
> index 974c5bd923a6..681248a3ddde 100644
> --- a/drivers/iio/adc/mcp3911.c
> +++ b/drivers/iio/adc/mcp3911.c
> @@ -468,6 +468,7 @@ static int mcp3911_probe(struct spi_device *spi)
>  {
>  	struct iio_dev *indio_dev;
>  	struct mcp3911 *adc;
> +	struct device *dev = &spi->dev;
>  	int ret;

With preserved reversed xmas tree order (longer line comes first),
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

>  	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc));
> @@ -482,10 +483,7 @@ static int mcp3911_probe(struct spi_device *spi)
>  		if (PTR_ERR(adc->vref) == -ENODEV) {
>  			adc->vref = NULL;
>  		} else {
> -			dev_err(&adc->spi->dev,
> -				"failed to get regulator (%ld)\n",
> -				PTR_ERR(adc->vref));
> -			return PTR_ERR(adc->vref);
> +			return dev_err_probe(dev, PTR_ERR(adc->vref), "failed to get regulator\n");
>  		}
>  
>  	} else {
> @@ -504,10 +502,7 @@ static int mcp3911_probe(struct spi_device *spi)
>  		if (PTR_ERR(adc->clki) == -ENOENT) {
>  			adc->clki = NULL;
>  		} else {
> -			dev_err(&adc->spi->dev,
> -				"failed to get adc clk (%ld)\n",
> -				PTR_ERR(adc->clki));
> -			return PTR_ERR(adc->clki);
> +			return dev_err_probe(dev, PTR_ERR(adc->clki), "failed to get adc clk\n");
>  		}
>  	}
>  
> -- 
> 2.41.0
> 

-- 
With Best Regards,
Andy Shevchenko





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