From mboxrd@z Thu Jan 1 00:00:00 1970 From: dirk.brandewie@gmail.com Subject: [PATCH 1/6] cpufreq: Retrieve current frequency from scaling drivers with internal governors Date: Fri, 1 Feb 2013 10:49:05 -0800 Message-ID: <1359744545-18825-1-git-send-email-dirk.brandewie@gmail.com> References: <359744343-18690-1-git-send-email-dirk.brandewie@gmail.com> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=NY518aWZ1hNZGoKvXS5dR+jMLQ97ZldLw3cqjCNMKCc=; b=eO2iGZLhznbLk0LHUoo/RkvmVo41BAOXKhYz15qtiCm9fPpEuUkg6VWVq65l6eG188 5RPOX9mGFJdayiVcGeOG4LzJy2ZlMNwdHKXrH7ImMxwewE9yNpdyQnMjX8o2zSIlWyfB 26MRcGtS0OSTVEruT4ZGY3Q+hSdWgOMD8AXBBzSMvs9uBE32/IgyE2QClG8wLwbalxxB jIJHKsYHziOwnCshnnf7/mR4EowoyB7Cjlm7v9V3VdT0NxJXMdTJe2RofovL3oq2CHPj umVX5WagYh4qAu/77HFeTaz48nggjQPq1pLzK2V11OwvnIRCUWjIHJvz/yix6xRBRdXN EutA== In-Reply-To: <359744343-18690-1-git-send-email-dirk.brandewie@gmail.com> Sender: cpufreq-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org Cc: Dirk Brandewie , Dirk Brandewie From: Dirk Brandewie Scaling drivers that implement the cpufreq_driver.setpolicy() versus the cpufreq_driver.target() interface do not set policy->cur. Normally policy->cur is set during the call to cpufreq_driver.target() when the frequnecy request is made by the governor. If the scaling driver implements cpufreq_driver.setpolicy() and cpufreq_driver.get() interfaces use cpufreq_driver.get() to retrieve the current frequency. Signed-off-by: Dirk Brandewie --- drivers/cpufreq/cpufreq.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 1f93dbd..1c037f0 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1219,6 +1219,9 @@ unsigned int cpufreq_quick_get(unsigned int cpu) struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); unsigned int ret_freq = 0; + if (cpufreq_driver && cpufreq_driver->setpolicy && cpufreq_driver->get) + return cpufreq_driver->get(cpu); + if (policy) { ret_freq = policy->cur; cpufreq_cpu_put(policy); -- 1.7.7.6