linux-kernel - Re: [PATCH 5/5] Add the viafb video capture driver

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Date:	Mon, 24 May 2010 22:02:07 -0300
From:	Mauro Carvalho Chehab <mchehab@...hat.com>
To:	Jonathan Corbet <corbet@....net>
CC:	linux-kernel@...r.kernel.org, Harald Welte <laforge@...monks.org>,
	linux-fbdev@...r.kernel.org, JosephChan@....com.tw,
	ScottFang@...tech.com.cn,
	Bruno Prémont <bonbons@...ux-vserver.org>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	linux-media@...r.kernel.org
Subject: Re: [PATCH 5/5] Add the viafb video capture driver

Jonathan Corbet wrote:
> On Sun, 23 May 2010 09:51:47 -0300
> Mauro Carvalho Chehab <mchehab@...hat.com> wrote:
> 
>> The driver is OK to my eyes. I just found 2 minor coding style issues.
>> it is ok to me if you want to sent it via your git tree.
>>
>> Acked-by: Mauro Carvalho Chehab <mchehab@...hat.com>
> 
> Great, thanks for taking a look!
> 
> All of the precursor stuff is in mainline now, so it can go via whatever
> path.  I'll just go ahead and request a pull in the near future unless
> somebody objects.

OK.

>>> +	.sizeimage	= VGA_WIDTH*VGA_HEIGHT*2,
>> CodingStyle: please use spaces between values/operators. Not sure why, but
>> newer versions of checkpatch.pl don't complain anymore on some cases.
> 
> Interesting...for all of my programming life I've left out spaces around
> multiplicative operators - a way of showing that they bind more tightly
> than the additive variety.  I thought everybody else did that too.
> CodingStyle agrees with you, though; I'll append a patch fixing these up.

We all have some sort of different CodingStyle that were inherited from previous
programming practices... I used to just not add any space at all at expressions, 
as C is a compact language, and I was a bit lazy ;)

Yet, when reviewing lots of code, those spaces help to read a code quicker
than without. Not sure why, but my guess is that the brain can do a faster
parsing when the words are separated from operators. Or maybe it is just because
it is easier to parse patches when everybody uses the same Coding Style.

> Learn something every day...

Very true ;)

-- 

Cheers,
Mauro
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