linux-kernel - Re: [PATCH] ARM: imx: refactor mxc_iomux

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Message-ID: <20141106183639.GA17308@ubuntuvm>
Date:	Thu, 6 Nov 2014 22:36:39 +0400
From:	Dmitry Voytik <voytikd@...il.com>
To:	Peter Chen <Peter.Chen@...escale.com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: imx: refactor mxc_iomux_mode()

Hi Peter,

On Tue, Nov 04, 2014 at 12:21:55PM +0000, Peter Chen wrote:

> > > -int mxc_iomux_mode(unsigned int pin_mode)
> > > +void mxc_iomux_mode(unsigned int pin_mode)
> > >  {
> > > -	u32 field, l, mode, ret = 0;
> > > +	u32 field;
> > > +	u32 l;
> > > +	u32 mode;
> > >  	void __iomem *reg;
> > >
> 
> Why you use three lines to define it, it makes the function longer.

You're right but there is a recommendation in coding style to declare
variables on separate lines (see Documentation/CodingStyle,
line 469), which improves readability, imho. By the way I saw many
times, that maintainers asked to declare variables separately.

> Besides, Shawn's email changes to : <shawn.guo@...aro.org>

Oops, didn't see that. Thanks!

WBR.
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