linux-kernel - Re: [PATCH] cpufreq: ARM big LITTLE: Add generic cpufreq driver and its DT glue

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Message-ID: <20130307005119.GY17833@n2100.arm.linux.org.uk>
Date:	Thu, 7 Mar 2013 00:51:19 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	rjw@...k.pl, Steve.Bannister@....com, linux-pm@...r.kernel.org,
	Sudeep KarkadaNagesha <sudeep.karkadanagesha@....com>,
	Liviu.Dudau@....com, linux-kernel@...r.kernel.org,
	cpufreq@...r.kernel.org, robin.randhawa@....com,
	linux-arm-kernel@...ts.infradead.org, mark.hambleton@...adcom.com,
	linaro-kernel@...ts.linaro.org, charles.garcia-tobin@....com
Subject: Re: [PATCH] cpufreq: ARM big LITTLE: Add generic cpufreq driver
	and its DT glue

On Thu, Mar 07, 2013 at 08:32:37AM +0800, Viresh Kumar wrote:
> On 5 March 2013 18:52, Russell King - ARM Linux <linux@....linux.org.uk> wrote:
> > On Tue, Mar 05, 2013 at 12:52:41PM +0800, Viresh Kumar wrote:
> >> +     clk[cluster] = clk_get(NULL, name);
> >> +     if (!IS_ERR_OR_NULL(clk[cluster])) {
> >
> > NAK.  Two reasons.
> >
> > 1. IS_ERR_OR_NULL.  You know about this, it's been on the list several
> >    times.
> 
> Hey, i had a second thought about this one and i have some other opinion
> here. This is a cpufreq driver and we need clock support for sure here, we
> can't work without it. And so here is the latest fixup:

NAK.  You just don't understand.
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