Re: [PATCH v3 2/4] staging: iio: ad7780: move regulator to after GPIO init

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On Tue, 5 Feb 2019 15:13:21 -0200
Renato Lui Geh <renatogeh@xxxxxxxxx> wrote:

> To maintain consistency between ad7780_probe and ad7780_remove orders,
> regulator initialization has been moved to after GPIO initializations.
> 
> Signed-off-by: Renato Lui Geh <renatogeh@xxxxxxxxx>
This looks fine, will pick up with the earlier patches when ready.

Thanks,

Jonathan

> ---
>  drivers/staging/iio/adc/ad7780.c | 26 +++++++++++++-------------
>  1 file changed, 13 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c
> index 6e4357800d31..7804cd2b273e 100644
> --- a/drivers/staging/iio/adc/ad7780.c
> +++ b/drivers/staging/iio/adc/ad7780.c
> @@ -250,16 +250,6 @@ static int ad7780_probe(struct spi_device *spi)
>  
>  	ad_sd_init(&st->sd, indio_dev, spi, &ad7780_sigma_delta_info);
>  
> -	st->reg = devm_regulator_get(&spi->dev, "avdd");
> -	if (IS_ERR(st->reg))
> -		return PTR_ERR(st->reg);
> -
> -	ret = regulator_enable(st->reg);
> -	if (ret) {
> -		dev_err(&spi->dev, "Failed to enable specified AVdd supply\n");
> -		return ret;
> -	}
> -
>  	st->chip_info =
>  		&ad7780_chip_info_tbl[spi_get_device_id(spi)->driver_data];
>  
> @@ -279,7 +269,7 @@ static int ad7780_probe(struct spi_device *spi)
>  		ret = PTR_ERR(st->powerdown_gpio);
>  		dev_err(&spi->dev, "Failed to request powerdown GPIO: %d\n",
>  			ret);
> -		goto error_disable_reg;
> +		return ret;
>  	}
>  
>  	if (st->chip_info->is_ad778x) {
> @@ -290,7 +280,7 @@ static int ad7780_probe(struct spi_device *spi)
>  			ret = PTR_ERR(st->gain_gpio);
>  			dev_err(&spi->dev, "Failed to request gain GPIO: %d\n",
>  				ret);
> -			goto error_disable_reg;
> +			return ret;
>  		}
>  
>  		st->filter_gpio = devm_gpiod_get_optional(&spi->dev,
> @@ -301,10 +291,20 @@ static int ad7780_probe(struct spi_device *spi)
>  			dev_err(&spi->dev,
>  				"Failed to request filter GPIO: %d\n",
>  				ret);
> -			goto error_disable_reg;
> +			return ret;
>  		}
>  	}
>  
> +	st->reg = devm_regulator_get(&spi->dev, "avdd");
> +	if (IS_ERR(st->reg))
> +		return PTR_ERR(st->reg);
> +
> +	ret = regulator_enable(st->reg);
> +	if (ret) {
> +		dev_err(&spi->dev, "Failed to enable specified AVdd supply\n");
> +		return ret;
> +	}
> +
>  	ret = ad_sd_setup_buffer_and_trigger(indio_dev);
>  	if (ret)
>  		goto error_disable_reg;




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