Re: [PATCH 6/6] staging: iio: ad9832: clean-up regulator 'reg'

[Jonathan Cameron <jic23@kernel.org>]

On 31/10/16 17:04, Eva Rachel Retuya wrote:
> Rename regulator 'reg' to 'avdd' so as to be clear what regulator it
> stands for specifically. Additionally, get rid of local variable 'reg'
> and use direct assignment instead. Update also the goto label pertaining
> to the avdd regulator during disable.
> 
> Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Applied to the togreg branch of iio.git and shortly pushed out as
testing for the autobuilders to play with it.

A nice little series, thanks!

Jonathan
> ---
>  drivers/staging/iio/frequency/ad9832.c | 20 +++++++++-----------
>  drivers/staging/iio/frequency/ad9832.h |  4 ++--
>  2 files changed, 11 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c
> index 6a5ab02..639047f 100644
> --- a/drivers/staging/iio/frequency/ad9832.c
> +++ b/drivers/staging/iio/frequency/ad9832.c
> @@ -204,7 +204,6 @@ static int ad9832_probe(struct spi_device *spi)
>  	struct ad9832_platform_data *pdata = dev_get_platdata(&spi->dev);
>  	struct iio_dev *indio_dev;
>  	struct ad9832_state *st;
> -	struct regulator *reg;
>  	int ret;
>  
>  	if (!pdata) {
> @@ -212,11 +211,11 @@ static int ad9832_probe(struct spi_device *spi)
>  		return -ENODEV;
>  	}
>  
> -	reg = devm_regulator_get(&spi->dev, "avdd");
> -	if (IS_ERR(reg))
> -		return PTR_ERR(reg);
> +	st->avdd = devm_regulator_get(&spi->dev, "avdd");
> +	if (IS_ERR(st->avdd))
> +		return PTR_ERR(st->avdd);
>  
> -	ret = regulator_enable(reg);
> +	ret = regulator_enable(st->avdd);
>  	if (ret) {
>  		dev_err(&spi->dev, "Failed to enable specified AVDD supply\n");
>  		return ret;
> @@ -225,13 +224,13 @@ static int ad9832_probe(struct spi_device *spi)
>  	st->dvdd = devm_regulator_get(&spi->dev, "dvdd");
>  	if (IS_ERR(st->dvdd)) {
>  		ret = PTR_ERR(st->dvdd);
> -		goto error_disable_reg;
> +		goto error_disable_avdd;
>  	}
>  
>  	ret = regulator_enable(st->dvdd);
>  	if (ret) {
>  		dev_err(&spi->dev, "Failed to enable specified DVDD supply\n");
> -		goto error_disable_reg;
> +		goto error_disable_avdd;
>  	}
>  
>  	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
> @@ -241,7 +240,6 @@ static int ad9832_probe(struct spi_device *spi)
>  	}
>  	spi_set_drvdata(spi, indio_dev);
>  	st = iio_priv(indio_dev);
> -	st->reg = reg;
>  	st->mclk = pdata->mclk;
>  	st->spi = spi;
>  
> @@ -327,8 +325,8 @@ static int ad9832_probe(struct spi_device *spi)
>  
>  error_disable_dvdd:
>  	regulator_disable(st->dvdd);
> -error_disable_reg:
> -	regulator_disable(reg);
> +error_disable_avdd:
> +	regulator_disable(st->avdd);
>  
>  	return ret;
>  }
> @@ -340,7 +338,7 @@ static int ad9832_remove(struct spi_device *spi)
>  
>  	iio_device_unregister(indio_dev);
>  	regulator_disable(st->dvdd);
> -	regulator_disable(st->reg);
> +	regulator_disable(st->avdd);
>  
>  	return 0;
>  }
> diff --git a/drivers/staging/iio/frequency/ad9832.h b/drivers/staging/iio/frequency/ad9832.h
> index eb0e7f2..1b08b04 100644
> --- a/drivers/staging/iio/frequency/ad9832.h
> +++ b/drivers/staging/iio/frequency/ad9832.h
> @@ -58,7 +58,7 @@
>  /**
>   * struct ad9832_state - driver instance specific data
>   * @spi:		spi_device
> - * @reg:		supply regulator
> + * @avdd:		supply regulator for the analog section
>   * @dvdd:		supply regulator for the digital section
>   * @mclk:		external master clock
>   * @ctrl_fp:		cached frequency/phase control word
> @@ -77,7 +77,7 @@
>  
>  struct ad9832_state {
>  	struct spi_device		*spi;
> -	struct regulator		*reg;
> +	struct regulator		*avdd;
>  	struct regulator		*dvdd;
>  	unsigned long			mclk;
>  	unsigned short			ctrl_fp;
>