linux-kernel - Re: [PATCH 6/6] clk: Add initial WM831x clock driver

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Message-ID: <4E1FCCB4.4080205@gmail.com>
Date:	Fri, 15 Jul 2011 15:14:28 +1000
From:	Ryan Mallon <rmallon@...il.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Grant Likely <grant.likely@...retlab.ca>,
	Jeremy Kerr <jeremy.kerr@...onical.com>,
	Grant Likely <grant@...retlab.ca>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-sh@...r.kernel.org, patches@...nsource.wolfsonmicro.com
Subject: Re: [PATCH 6/6] clk: Add initial WM831x clock driver

On 15/07/11 15:05, Mark Brown wrote:
> On Thu, Jul 14, 2011 at 08:53:39PM -0600, Grant Likely wrote:
>> On Mon, Jul 11, 2011 at 11:53:57AM +0900, Mark Brown wrote:
>>> +	if (clkdata->xtal_ena)
>>> +		return 0;
>>> +	else
>>> +		return -EPERM;
>>> +}
>> Nit: return clkdata->xtal_ena ? 0 : -EPERM;
>> Just makes for more concise code.
> I have an extremely strong dislike of the ternery operator, I find it
> does nothing for legibility.
>
I prefer this:

     if (!clkdata->xtal_ena)
         return -EPERM;

     return 0;
}

Which makes the error check clear and makes the success case visible 
right at the bottom of the function.

~Ryan

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