From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Srivatsa S. Bhat" Subject: Re: [PATCH 0/3] Cpufreq frequency serialization fixes Date: Tue, 29 Apr 2014 00:17:44 +0530 Message-ID: <535EA250.5060700@linux.vnet.ibm.com> References: <20140425081728.10258.63980.stgit@srivatsabhat.in.ibm.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: cpufreq-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Meelis Roos Cc: rjw@rjwysocki.net, viresh.kumar@linaro.org, cpufreq@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org 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