linux-kernel - Re: [PATCH v4 6/7] staging: iio: ad5933: change attributes to match ABI

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Message-ID: <20190316185238.07acaafd@archlinux>
Date:   Sat, 16 Mar 2019 18:52:38 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Marcelo Schmitt <marcelo.schmitt1@...il.com>
Cc:     lars@...afoo.de, Michael.Hennerich@...log.com, knaack.h@....de,
        pmeerw@...erw.net, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-usp@...glegroups.com
Subject: Re: [PATCH v4 6/7] staging: iio: ad5933: change attributes to match
 ABI

On Sat, 16 Mar 2019 12:07:55 -0300
Marcelo Schmitt <marcelo.schmitt1@...il.com> wrote:

> Change device attributes' names to match ABI documentation. Names were
> chosen such that they tend to be similar to existing ABI so it should
> be easier to standardize them when necessary.
> 
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@...il.com>
I spoke too soon on this one... 

> ---
>  .../staging/iio/impedance-analyzer/ad5933.c   | 20 +++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
> index d75bdfbf93de..262415bc659d 100644
> --- a/drivers/staging/iio/impedance-analyzer/ad5933.c
> +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
> @@ -315,12 +315,12 @@ static ssize_t ad5933_store_frequency(struct device *dev,
>  	return ret ? ret : len;
>  }
>  
> -static IIO_DEVICE_ATTR(out_voltage0_freq_start, 0644,
> +static IIO_DEVICE_ATTR(out_altvoltage0_frequency_start, 0644,
>  			ad5933_show_frequency,
>  			ad5933_store_frequency,
>  			AD5933_REG_FREQ_START);
>  
> -static IIO_DEVICE_ATTR(out_voltage0_freq_increment, 0644,
> +static IIO_DEVICE_ATTR(out_altvoltage0_frequency_increment, 0644,
>  			ad5933_show_frequency,
>  			ad5933_store_frequency,
>  			AD5933_REG_FREQ_INC);
> @@ -463,12 +463,12 @@ static IIO_DEVICE_ATTR(in_voltage0_scale_available, 0444,
>  			NULL,
>  			AD5933_IN_PGA_GAIN_AVAIL);
>  
> -static IIO_DEVICE_ATTR(out_voltage0_freq_points, 0644,
> +static IIO_DEVICE_ATTR(out_altvoltage0_frequency_points, 0644,
>  			ad5933_show,
>  			ad5933_store,
>  			AD5933_FREQ_POINTS);
>  
> -static IIO_DEVICE_ATTR(out_voltage0_settling_cycles, 0644,
> +static IIO_DEVICE_ATTR(out_altvoltage0_settling_cycles, 0644,
>  			ad5933_show,
>  			ad5933_store,
>  			AD5933_OUT_SETTLING_CYCLES);
> @@ -480,12 +480,12 @@ static IIO_DEVICE_ATTR(out_voltage0_settling_cycles, 0644,
>   * don't create dedicated sysfs channel attributes for out0 and in0.
>   */
>  static struct attribute *ad5933_attributes[] = {
> -	&iio_dev_attr_out_voltage0_scale.dev_attr.attr,
> -	&iio_dev_attr_out_voltage0_scale_available.dev_attr.attr,
you rename this here, but not in the place where it's defined.

Doesn't build.
> -	&iio_dev_attr_out_voltage0_freq_start.dev_attr.attr,
> -	&iio_dev_attr_out_voltage0_freq_increment.dev_attr.attr,
> -	&iio_dev_attr_out_voltage0_freq_points.dev_attr.attr,
> -	&iio_dev_attr_out_voltage0_settling_cycles.dev_attr.attr,
> +	&iio_dev_attr_out_altvoltage0_raw.dev_attr.attr,
> +	&iio_dev_attr_out_altvoltage0_scale_available.dev_attr.attr,
> +	&iio_dev_attr_out_altvoltage0_frequency_start.dev_attr.attr,
> +	&iio_dev_attr_out_altvoltage0_frequency_increment.dev_attr.attr,
> +	&iio_dev_attr_out_altvoltage0_frequency_points.dev_attr.attr,
> +	&iio_dev_attr_out_altvoltage0_settling_cycles.dev_attr.attr,
>  	&iio_dev_attr_in_voltage0_scale.dev_attr.attr,
>  	&iio_dev_attr_in_voltage0_scale_available.dev_attr.attr,
>  	NULL