linux-kernel - Re: [PATCH V1 resend] cpufreq: Raname index as data in cpufreq_frequency

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Date:	Mon, 13 May 2013 10:27:58 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
CC:	rjw@...k.pl, linaro-kernel@...ts.linaro.org, patches@...aro.org,
	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, robin.randhawa@....com,
	Steve.Bannister@....com, Liviu.Dudau@....com,
	charles.garcia-tobin@....com, arvind.chauhan@....com,
	Sekhar Nori <nsekhar@...com>, Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Simon Horman <horms@...ge.net.au>,
	Magnus Damm <magnus.damm@...il.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Arnd Bergmann <arnd@...db.de>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Olof Johansson <olof@...om.net>,
	Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH V1 resend] cpufreq: Raname index as data in cpufreq_frequency_table

On 05/13/2013 06:57 AM, Viresh Kumar wrote:
> "Index" field of struct cpufreq_frequency_table was never index and isn't used
> at all by cpufreq core. And is only useful for cpufreq drivers for their
> personal use.
> 
> Many people now a days blindly set it in ascending order with the assumption
> that core is using it for some work.
> 
> This patch renames it to "data" as that's what its purpose it. All users of the
> same are fixed too.

> diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c

> -/* Frequency table index must be sequential starting at 0 */
> +/* Frequency table data must be sequential starting at 0 */

I assume that comment is due to the assumption you're trying to remove.
Should the comment be removed/corrected now? Perhaps the .data field
isn't even needed any more in this driver?

>  static struct cpufreq_frequency_table freq_table[] = {
>  	{ 0, 216000 },
>  	{ 1, 312000 },

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