Re: [PATCH] staging: iio: adc: ad7280: Add spaces around math operator

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On Sat,  9 Nov 2019 16:17:28 +0100
Pedro Ortega <portega.kernel@xxxxxxx> wrote:

> Add spaces around the minus math operator to increase readability.
> 
> Signed-off-by: Pedro Ortega <portega.kernel@xxxxxxx>
Hi Pedro,

Afraid not.  Look at what that macro is actually doing.  That's not a maths
operator at all.  I'm fairly sure we had a plan to actually hide these
examples away as we get a few people suggesting this 'fix' ever year.
Not sure what happened to them though, I'll have to check back.

Sorry about this, but it is a good lesson in making sure you check
that the suggestion from checkpatch is actually correct.  It's a
pattern matcher, it can't always know enough to be able to tell what
is going on.

Thanks,

Jonathan

> ---
>  drivers/staging/iio/adc/ad7280a.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
> index 19a5f244dcae..34ca0d09db85 100644
> --- a/drivers/staging/iio/adc/ad7280a.c
> +++ b/drivers/staging/iio/adc/ad7280a.c
> @@ -825,14 +825,14 @@ static irqreturn_t ad7280_event_handler(int irq, void *private)
>  }
> 
>  static IIO_DEVICE_ATTR_NAMED(in_thresh_low_value,
> -			     in_voltage-voltage_thresh_low_value,
> +			     in_voltage - voltage_thresh_low_value,
>  			     0644,
>  			     ad7280_read_channel_config,
>  			     ad7280_write_channel_config,
>  			     AD7280A_CELL_UNDERVOLTAGE);
> 
>  static IIO_DEVICE_ATTR_NAMED(in_thresh_high_value,
> -			     in_voltage-voltage_thresh_high_value,
> +			     in_voltage - voltage_thresh_high_value,
>  			     0644,
>  			     ad7280_read_channel_config,
>  			     ad7280_write_channel_config,
> --
> 2.17.1
> 




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