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[23.23.178.99]) by mx.google.com with ESMTPSA id r3sm4893751qal.8.2014.06.25.01.42.54 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Wed, 25 Jun 2014 01:42:59 -0700 (PDT) From: Viresh Kumar To: rjw@rjwysocki.net, sboyd@codeaurora.org, shawn.guo@linaro.org Cc: linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, arvind.chauhan@arm.com, mturquette@linaro.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, spk.linux@gmail.com, thomas.ab@samsung.com, nm@ti.com, t.figa@samsung.com, Viresh Kumar Subject: [PATCH 1/2] cpufreq: Add support for per-policy driver data Date: Wed, 25 Jun 2014 14:12:28 +0530 Message-Id: <28dc4ae67a7c3c712714abc14619b7c1d4bfb361.1403684824.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.0.0.rc2 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 209.85.128.179 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 some per-policy data. If the core doesn't support them, 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 completely for driver's internal use. 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 ec4112d..d4b1108 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 */