From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1on0065.outbound.protection.outlook.com [157.56.110.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3qq03V1rHGzDq5y for ; Tue, 19 Apr 2016 19:25:09 +1000 (AEST) From: Jia Hongtao To: , CC: , , , Subject: [PATCH V3 2/2] cpufreq: qoriq: Fix cooling device registration issue during suspend Date: Tue, 19 Apr 2016 17:00:07 +0800 Message-ID: <1461056407-22542-2-git-send-email-hongtao.jia@nxp.com> In-Reply-To: <1461056407-22542-1-git-send-email-hongtao.jia@nxp.com> References: <1461056407-22542-1-git-send-email-hongtao.jia@nxp.com> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cooling device is registered by ready callback. It's also invoked while system resuming from sleep (Enabling non-boot cpus). Thus cooling device may be multiple registered. Matchable unregistration is added to exit callback to fix this issue. Signed-off-by: Jia Hongtao --- drivers/cpufreq/qoriq-cpufreq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpufreq/qoriq-cpufreq.c b/drivers/cpufreq/qoriq-cpufreq.c index 3a3fe39..0b85f90 100644 --- a/drivers/cpufreq/qoriq-cpufreq.c +++ b/drivers/cpufreq/qoriq-cpufreq.c @@ -305,6 +305,7 @@ static int qoriq_cpufreq_cpu_exit(struct cpufreq_policy *policy) { struct cpu_data *data = policy->driver_data; + cpufreq_cooling_unregister(data->cdev); kfree(data->pclk); kfree(data->table); kfree(data); -- 2.1.0.27.g96db324