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Message-ID: <535EA250.5060700@linux.vnet.ibm.com>
Date: Tue, 29 Apr 2014 00:17:44 +0530
From: "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To: Meelis Roos <mroos@...ux.ee>
CC: rjw@...ysocki.net, viresh.kumar@...aro.org,
cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] Cpufreq frequency serialization fixes
On 04/25/2014 10:59 PM, Meelis Roos wrote:
>> Meelis Roos reported hangs during boot in the longhaul cpufreq driver, after
>> commit 12478cf0c55 (cpufreq: Make sure frequency transitions are serialized).
>> The root-cause of this issue is the extra invocation of the
>> cpufreq_freq_transition_begin() and cpufreq_freq_transition_end() APIs in the
>> longhaul driver. I found similar issues in the powernow-k6 and powernow-k7
>> drivers as well. This patchset fixes the issue in all the 3 drivers.
>>
>> Srivatsa S. Bhat (3):
>> cpufreq, powernow-k7: Fix double invocation of cpufreq_freq_transition_begin/end
>> cpufreq, powernow-k6: Fix double invocation of cpufreq_freq_transition_begin/end
>> cpufreq, longhaul: Fix double invocation of cpufreq_freq_transition_begin/end
>
> This set fixes it for me on VIA EPIA with longhaul.
>
Thanks a lot for testing this Meelis! I'll send out the v2
soon.
Regards,
Srivatsa S. Bhat
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