From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH 12/13] cpufreq: tegra: call CPUFREQ_POSTCHANGE notfier in error cases Date: Wed, 19 Jun 2013 11:11:45 -0600 Message-ID: <51C1E651.9040802@wwwdotorg.org> References: <73f480a1fa0d39b1d199e598fa9f9df4a9158d11.1371630975.git.viresh.kumar@linaro.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <73f480a1fa0d39b1d199e598fa9f9df4a9158d11.1371630975.git.viresh.kumar@linaro.org> Sender: linux-pm-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Viresh Kumar Cc: rjw@sisk.pl, linaro-kernel@lists.linaro.org, patches@linaro.org, cpufreq@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, robin.randhawa@arm.com, Steve.Bannister@arm.com, Liviu.Dudau@arm.com, charles.garcia-tobin@arm.com, arvind.chauhan@arm.com, dave.martin@arm.com, Stephen Warren On 06/19/2013 02:53 AM, Viresh Kumar wrote: > PRECHANGE and POSTCHANGE notifiers must be called in groups, i.e either both > should be called or both shouldn't be. > > In case we have started PRECHANGE notifier and found an error, we must call > POSTCHANGE notifier with freqs.new = freqs.old to guarantee that sequence of > calling notifiers is complete. > > This patch fixes it. Acked-by: Stephen Warren