From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: Return-path: Received: from mail-qg0-f52.google.com ([209.85.192.52]:33623 "EHLO mail-qg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756102AbaFYInB (ORCPT ); Wed, 25 Jun 2014 04:43:01 -0400 Received: by mail-qg0-f52.google.com with SMTP id f51so1368978qge.39 for ; Wed, 25 Jun 2014 01:43:00 -0700 (PDT) In-Reply-To: In-Reply-To: References: Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org 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 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 */ -- 2.0.0.rc2 From mboxrd@z Thu Jan 1 00:00:00 1970 From: viresh.kumar@linaro.org (Viresh Kumar) Date: Wed, 25 Jun 2014 14:12:28 +0530 Subject: [PATCH 1/2] cpufreq: Add support for per-policy driver data In-Reply-To: References: Message-ID: <28dc4ae67a7c3c712714abc14619b7c1d4bfb361.1403684824.git.viresh.kumar@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 */ -- 2.0.0.rc2