From mboxrd@z Thu Jan 1 00:00:00 1970 From: Viresh Kumar Subject: [PATCH 0/5] CPUFreq: Initialize CPU's OPP tables from core Date: Mon, 19 May 2014 11:47:20 +0530 Message-ID: Return-path: Received: from mail-wi0-f173.google.com ([209.85.212.173]:60547 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750798AbaESGR4 (ORCPT ); Mon, 19 May 2014 02:17:56 -0400 Received: by mail-wi0-f173.google.com with SMTP id bs8so3527772wib.12 for ; Sun, 18 May 2014 23:17:55 -0700 (PDT) Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: rjw@rjwysocki.net Cc: linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, arvind.chauhan@arm.com, inderpal.s@samsung.com, pavel@ucw.cz, nm@ti.com, chander.kashyap@linaro.org, Viresh Kumar , Greg Kroah-Hartman , Amit Daniel Kachhap , Kukjin Kim , Shawn Guo , Sudeep Holla All drivers expecting CPU's OPPs from device tree initialize OPP table using of_init_opp_table() and there is nothing driver specific in that. They all do it in the same way adding to code redundancy. It would be better if we can get rid of code redundancy by initializing CPU OPPs from core code for all CPUs that have a "operating-points" property defined in their node. First patch initializes OPPs as soon as CPU device is registered in register_cpu(). Following patches get rid of these calls from individual drivers which are currently initializing OPPs. The idea was initially discussed here: https://lkml.org/lkml/2014/5/17/123 Cc: Greg Kroah-Hartman Cc: Amit Daniel Kachhap Cc: Kukjin Kim Cc: Shawn Guo Cc: Sudeep Holla Viresh Kumar (5): driver/core: cpu: initialize opp table cpufreq: arm_big_little: don't initialize opp table cpufreq: imx6q: don't initialize opp table cpufreq: cpufreq-cpu0: don't initialize opp table cpufreq: exynos5440: don't initialize opp table arch/arm/mach-imx/mach-imx6q.c | 36 ++++++++---------------------------- drivers/base/cpu.c | 14 ++++++++++++-- drivers/cpufreq/arm_big_little.c | 12 +++++++----- drivers/cpufreq/arm_big_little_dt.c | 18 ------------------ drivers/cpufreq/cpufreq-cpu0.c | 6 ------ drivers/cpufreq/exynos5440-cpufreq.c | 6 ------ drivers/cpufreq/imx6q-cpufreq.c | 20 +------------------- 7 files changed, 28 insertions(+), 84 deletions(-) -- 2.0.0.rc2