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[PATCH 1/2] staging:iio:adc:added space around '-'

Started byBhumika Goyal <bhumirks@gmail.com>
First post2016-01-15 20:50 +0100
Last post2016-01-24 19:00 +0100
Articles 5 — 4 participants

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  [PATCH 1/2] staging:iio:adc:added space around '-' Bhumika Goyal <bhumirks@gmail.com> - 2016-01-15 20:50 +0100
    Re: [PATCH 1/2] staging:iio:adc:added space around '-' Lars-Peter Clausen <lars@metafoo.de> - 2016-01-15 21:20 +0100
      Re: [PATCH 1/2] staging:iio:adc:added space around '-' Dan Carpenter <dan.carpenter@oracle.com> - 2016-01-20 15:30 +0100
        Re: [PATCH 1/2] staging:iio:adc:added space around '-' Jonathan Cameron <jic23@kernel.org> - 2016-01-24 17:40 +0100
          Re: [PATCH 1/2] staging:iio:adc:added space around '-' Lars-Peter Clausen <lars@metafoo.de> - 2016-01-24 19:00 +0100

#1310406 — [PATCH 1/2] staging:iio:adc:added space around '-'

FromBhumika Goyal <bhumirks@gmail.com>
Date2016-01-15 20:50 +0100
Subject[PATCH 1/2] staging:iio:adc:added space around '-'
Message-ID<qRixH-2cl-1@gated-at.bofh.it>
This patch adds apace around '-' operator.Found using checkpatch.pl

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
---
 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 f45ebed..0c73bce 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -744,14 +744,14 @@ out:
 }
 
 static IIO_DEVICE_ATTR_NAMED(in_thresh_low_value,
-		in_voltage-voltage_thresh_low_value,
+		in_voltage - voltage_thresh_low_value,
 		S_IRUGO | S_IWUSR,
 		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,
 		S_IRUGO | S_IWUSR,
 		ad7280_read_channel_config,
 		ad7280_write_channel_config,
-- 
1.9.1

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#1310442

FromLars-Peter Clausen <lars@metafoo.de>
Date2016-01-15 21:20 +0100
Message-ID<qRj0K-2C0-11@gated-at.bofh.it>
In reply to#1310406
On 01/15/2016 08:42 PM, Bhumika Goyal wrote:
> This patch adds apace around '-' operator.Found using checkpatch.pl
> 
> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
> ---
>  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 f45ebed..0c73bce 100644
> --- a/drivers/staging/iio/adc/ad7280a.c
> +++ b/drivers/staging/iio/adc/ad7280a.c
> @@ -744,14 +744,14 @@ out:
>  }
>  
>  static IIO_DEVICE_ATTR_NAMED(in_thresh_low_value,
> -		in_voltage-voltage_thresh_low_value,
> +		in_voltage - voltage_thresh_low_value,

Hi,

Thanks for patch. But when sending cleanup patches like this please make
sure that you a) understand what the code does and how your change affects
it and b) as a bare minimum of testing perform a compile test, if possible
also do functional testing.

The patch as it is, is neither semantically nor syntactically correct. As an
exercise please make sure you understand why.

Same for the second patch.

- Lars

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#1313245

FromDan Carpenter <dan.carpenter@oracle.com>
Date2016-01-20 15:30 +0100
Message-ID<qT1VM-7Ky-9@gated-at.bofh.it>
In reply to#1310442
On Fri, Jan 15, 2016 at 09:15:52PM +0100, Lars-Peter Clausen wrote:
> On 01/15/2016 08:42 PM, Bhumika Goyal wrote:
> > This patch adds apace around '-' operator.Found using checkpatch.pl
> > 
> > Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
> > ---
> >  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 f45ebed..0c73bce 100644
> > --- a/drivers/staging/iio/adc/ad7280a.c
> > +++ b/drivers/staging/iio/adc/ad7280a.c
> > @@ -744,14 +744,14 @@ out:
> >  }
> >  
> >  static IIO_DEVICE_ATTR_NAMED(in_thresh_low_value,
> > -		in_voltage-voltage_thresh_low_value,
> > +		in_voltage - voltage_thresh_low_value,
> 
> Hi,
> 
> Thanks for patch. But when sending cleanup patches like this please make
> sure that you a) understand what the code does and how your change affects
> it and b) as a bare minimum of testing perform a compile test, if possible
> also do functional testing.
> 
> The patch as it is, is neither semantically nor syntactically correct. As an
> exercise please make sure you understand why.

Ugh!

It took me a long time to figure out the bug in this patch...  Why does
that filename have a mix of dashes and underscores?  Too late to fix it
now...  :/

regards,
dan carpenter

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#1315925

FromJonathan Cameron <jic23@kernel.org>
Date2016-01-24 17:40 +0100
Message-ID<qUvRL-7sW-7@gated-at.bofh.it>
In reply to#1313245
On 20/01/16 14:21, Dan Carpenter wrote:
> On Fri, Jan 15, 2016 at 09:15:52PM +0100, Lars-Peter Clausen wrote:
>> On 01/15/2016 08:42 PM, Bhumika Goyal wrote:
>>> This patch adds apace around '-' operator.Found using checkpatch.pl
>>>
>>> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
>>> ---
>>>  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 f45ebed..0c73bce 100644
>>> --- a/drivers/staging/iio/adc/ad7280a.c
>>> +++ b/drivers/staging/iio/adc/ad7280a.c
>>> @@ -744,14 +744,14 @@ out:
>>>  }
>>>  
>>>  static IIO_DEVICE_ATTR_NAMED(in_thresh_low_value,
>>> -		in_voltage-voltage_thresh_low_value,
>>> +		in_voltage - voltage_thresh_low_value,
>>
>> Hi,
>>
>> Thanks for patch. But when sending cleanup patches like this please make
>> sure that you a) understand what the code does and how your change affects
>> it and b) as a bare minimum of testing perform a compile test, if possible
>> also do functional testing.
>>
>> The patch as it is, is neither semantically nor syntactically correct. As an
>> exercise please make sure you understand why.
> 
> Ugh!
> 
> It took me a long time to figure out the bug in this patch...  Why does
> that filename have a mix of dashes and underscores?  Too late to fix it
> now...  :/
> 
Very deliberately.  The - is indicating it is a differential channel!
Literally A minus B.

It's an awfully compact representation for maths ;)
This is obscured partly in this case as it's specifying an attribute
shared by a set of differential channels so it's the generalization
of
in_voltage0-voltage1_thresh_low_value
which does begin to slightly stretch the argument that it is nice and
clear ;(

Jonathan
> regards,
> dan carpenter
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-iio" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

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#1315941

FromLars-Peter Clausen <lars@metafoo.de>
Date2016-01-24 19:00 +0100
Message-ID<qUx7c-8gy-7@gated-at.bofh.it>
In reply to#1315925
On 01/24/2016 05:36 PM, Jonathan Cameron wrote:
> On 20/01/16 14:21, Dan Carpenter wrote:
>> On Fri, Jan 15, 2016 at 09:15:52PM +0100, Lars-Peter Clausen wrote:
>>> On 01/15/2016 08:42 PM, Bhumika Goyal wrote:
>>>> This patch adds apace around '-' operator.Found using checkpatch.pl
>>>>
>>>> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
>>>> ---
>>>>  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 f45ebed..0c73bce 100644
>>>> --- a/drivers/staging/iio/adc/ad7280a.c
>>>> +++ b/drivers/staging/iio/adc/ad7280a.c
>>>> @@ -744,14 +744,14 @@ out:
>>>>  }
>>>>  
>>>>  static IIO_DEVICE_ATTR_NAMED(in_thresh_low_value,
>>>> -		in_voltage-voltage_thresh_low_value,
>>>> +		in_voltage - voltage_thresh_low_value,
>>>
>>> Hi,
>>>
>>> Thanks for patch. But when sending cleanup patches like this please make
>>> sure that you a) understand what the code does and how your change affects
>>> it and b) as a bare minimum of testing perform a compile test, if possible
>>> also do functional testing.
>>>
>>> The patch as it is, is neither semantically nor syntactically correct. As an
>>> exercise please make sure you understand why.
>>
>> Ugh!
>>
>> It took me a long time to figure out the bug in this patch...  Why does
>> that filename have a mix of dashes and underscores?  Too late to fix it
>> now...  :/
>>
> Very deliberately.  The - is indicating it is a differential channel!
> Literally A minus B.
> 
> It's an awfully compact representation for maths ;)
> This is obscured partly in this case as it's specifying an attribute
> shared by a set of differential channels so it's the generalization
> of
> in_voltage0-voltage1_thresh_low_value
> which does begin to slightly stretch the argument that it is nice and
> clear ;(

One thing we should maybe take a look at is making it explicit that this is
a string so it does not get picked up by checkpatch.

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