linux-kernel - Re: [PATCH] cpufreq: arm_big_little: fix frequency check when bL switcher is active

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Message-ID: <20151008135228.GG18898@linux>
Date:	Thu, 8 Oct 2015 19:22:28 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	"Jon Medhurst (Tixy)" <tixy@...aro.org>
Cc:	Sudeep Holla <sudeep.holla@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: arm_big_little: fix frequency check when bL
 switcher is active

On 08-10-15, 13:55, Jon Medhurst (Tixy) wrote:
> Looking a bit more carefully, the reason your fix doesn't work is that
> bL_cpufreq_get_rate returns the last requested rate for this CPU,
> whereas target_rate/new_rate is the maximum rate requested by any CPU on
> the cluster (which is what we want the hardware set to).

Sigh..

> So sounds like my alternative fix of checking the 'actual' frequency
> immediately after setting it is probably the way forward, unless Sudeep
> chimes in with additional info about the issue he was trying to address.

Right.

-- 
viresh
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