From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
To: Meelis Roos <mroos@linux.ee>
Cc: rjw@rjwysocki.net, viresh.kumar@linaro.org,
cpufreq@vger.kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] Cpufreq frequency serialization fixes
Date: Tue, 29 Apr 2014 00:17:44 +0530 [thread overview]
Message-ID: <535EA250.5060700@linux.vnet.ibm.com> (raw)
In-Reply-To: <alpine.SOC.1.00.1404252028410.11626@math.ut.ee>
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
prev parent reply other threads:[~2014-04-28 18:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-25 8:17 [PATCH 0/3] Cpufreq frequency serialization fixes Srivatsa S. Bhat
2014-04-25 8:18 ` [PATCH 1/3] cpufreq, longhaul: Fix double invocation of cpufreq_freq_transition_begin/end Srivatsa S. Bhat
2014-04-25 8:37 ` Viresh Kumar
2014-04-25 8:39 ` Srivatsa S. Bhat
2014-04-25 8:18 ` [PATCH 2/3] cpufreq, powernow-k6: " Srivatsa S. Bhat
2014-04-25 8:28 ` Viresh Kumar
2014-04-25 8:42 ` Srivatsa S. Bhat
2014-04-25 8:18 ` [PATCH 3/3] cpufreq, powernow-k7: " Srivatsa S. Bhat
2014-04-25 8:24 ` Viresh Kumar
2014-04-25 17:29 ` [PATCH 0/3] Cpufreq frequency serialization fixes Meelis Roos
2014-04-28 18:47 ` Srivatsa S. Bhat [this message]
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