linux-kernel - Re: [PATCH 0/4] CPUFreq Fixes for 3.9

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Date:	Fri, 08 Feb 2013 16:08:49 -0800
From:	Dirk Brandewie <dirk.brandewie@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Viresh Kumar <viresh.kumar@...aro.org>, valdis.kletnieks@...edu,
	artem.savkov@...il.com, cpufreq@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linaro-dev@...ts.linaro.org, robin.randhawa@....com,
	Steve.Bannister@....com, Liviu.Dudau@....com,
	Nathan Zimmer <nzimmer@....com>, dirk.brandewie@...il.com
Subject: Re: [PATCH 0/4] CPUFreq Fixes for 3.9

On 02/08/2013 03:56 PM, Rafael J. Wysocki wrote:
> On Friday, February 08, 2013 09:02:37 PM Rafael J. Wysocki wrote:
>> On Friday, February 08, 2013 08:06:52 PM Viresh Kumar wrote:
>>> On 8 February 2013 18:02, Rafael J. Wysocki <rjw@...k.pl> wrote:
>>>> So as I said, please rework the fixes on top of linux-pm.git/pm-cpufreq.
>>>
>>> I already did. Please check for-rafael branch
>>
>> Cool.  This is the one I'm supposed to apply, then?
>
> OK, applied to bleeding-edge.  Hopefully it will be build-tested over the
> weekend and I can move it to linux-next.
>
> I dropped the rwlock/RCU patches from Nathan, though, because I had some
> doubts about the correctness of the RCU one and the rwlock one alone would
> conflict with your further changes.

One piece of fallout from dropping Nathan patches I had rebased mine on top of 
them.

This fixes the breakage do you want me to spin my patches or send this separately?:

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 0ebdf8c..a008b8e 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1024,7 +1024,7 @@ static int __cpufreq_remove_dev(struct device *dev, struct
                 __cpufreq_governor(data, CPUFREQ_GOV_STOP);

  #ifdef CONFIG_HOTPLUG_CPU
-       if (!driver->setpolicy)
+       if (!cpufreq_driver->setpolicy)
                 strncpy(per_cpu(cpufreq_cpu_governor, cpu),
                         data->governor->name, CPUFREQ_NAME_LEN);
  #endif
@@ -1771,7 +1771,7 @@ int cpufreq_update_policy(unsigned int cpu)
                         pr_debug("Driver did not initialize current freq");
                         data->cur = policy.cur;
                 } else {
-                       if (data->cur != policy.cur && driver->target)
+                       if (data->cur != policy.cur && cpufreq_driver->target)
                                 cpufreq_out_of_sync(cpu, data->cur,
                                                                 policy.cur);
                 }

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