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[209.132.180.67]) by mx.google.com with ESMTP id oz2si4047100pbc.237.2014.08.27.22.52.52 for ; Wed, 27 Aug 2014 22:52:53 -0700 (PDT) Received-SPF: none (google.com: linux-arm-msm-owner@vger.kernel.org does not designate permitted sender hosts) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751439AbaH1Fww (ORCPT + 5 others); Thu, 28 Aug 2014 01:52:52 -0400 Received: from mail-pa0-f41.google.com ([209.85.220.41]:41954 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751046AbaH1Fwv (ORCPT ); Thu, 28 Aug 2014 01:52:51 -0400 Received: by mail-pa0-f41.google.com with SMTP id lj1so1121646pab.14 for ; Wed, 27 Aug 2014 22:52:51 -0700 (PDT) X-Received: by 10.66.168.204 with SMTP id zy12mr2317020pab.19.1409205170957; Wed, 27 Aug 2014 22:52:50 -0700 (PDT) Received: from localhost ([122.167.123.172]) by mx.google.com with ESMTPSA id lx10sm3697880pdb.31.2014.08.27.22.52.48 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Wed, 27 Aug 2014 22:52:49 -0700 (PDT) From: Viresh Kumar To: Rafael Wysocki Cc: linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, shawn.guo@linaro.org, sboyd@codeaurora.org, linux-arm-msm@vger.kernel.org, spk.linux@gmail.com, thomas.ab@samsung.com, t.figa@samsung.com, santosh.shilimkar@ti.com, thomas.petazzoni@free-electrons.com, pramod.gurav@smartplayin.com, Viresh Kumar Subject: [PATCH V3 01/10] cpufreq: Add support for per-policy driver data Date: Thu, 28 Aug 2014 11:22:23 +0530 Message-Id: X-Mailer: git-send-email 2.0.3.693.g996b0fd In-Reply-To: References: In-Reply-To: References: Sender: linux-arm-msm-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: viresh.kumar@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.220.172 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Drivers supporting multiple clusters or multiple 'struct cpufreq_policy' instances may need to keep per-policy data. If the core doesn't provide support for that, they might do it in the most unoptimized way: 'per-cpu' data. This patch adds another field in struct cpufreq_policy: 'driver_data'. It isn't accessed by core and is for driver's internal use only. Tested-by: Stephen Boyd Signed-off-by: Viresh Kumar --- include/linux/cpufreq.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 7d1955a..138336b 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -112,6 +112,9 @@ struct cpufreq_policy { spinlock_t transition_lock; wait_queue_head_t transition_wait; struct task_struct *transition_task; /* Task which is doing the transition */ + + /* For cpufreq driver's internal use */ + void *driver_data; }; /* Only for ACPI */