From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chanwoo Choi Subject: Re: [PATCH v7 0/6] cpufreq: use generic cpufreq drivers for exynos platforms Date: Fri, 18 Jul 2014 09:44:35 +0900 Message-ID: <53C86DF3.1040303@samsung.com> References: <1405345118-4269-1-git-send-email-thomas.ab@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout1.samsung.com ([203.254.224.24]:29331 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759185AbaGRAoi (ORCPT ); Thu, 17 Jul 2014 20:44:38 -0400 In-reply-to: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Thomas Abraham Cc: "linux-pm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-samsung-soc@vger.kernel.org" , Mike Turquette , Kukjin Kim , Tomasz Figa , Lukasz Majewski , Viresh Kumar , "thomas.ab@samsung.com" , =?UTF-8?B?SGVpa28gU3TDvGJuZXI=?= Hi Thomas, On 07/17/2014 02:58 PM, Thomas Abraham wrote: > Hi Mike, > > On Tue, Jul 15, 2014 at 9:20 AM, Thomas Abraham wrote: >> Hi Tomasz, >> >> On Mon, Jul 14, 2014 at 7:08 PM, Thomas Abraham wrote: >>> Changes since v6: >>> - Fixes suggested by Amit Daniel . >>> >>> This patch series removes the use of Exynos4210 and Exynos5250 specific cpufreq >>> drivers and enables the use of cpufreq-cpu0 driver for these platforms. This >>> series also enabled cpufreq support for Exynos5420 using arm_big_little cpufreq >>> driver. >>> >>> Thomas Abraham (6): >>> clk: samsung: add infrastructure to register cpu clocks >>> clk: samsung: register exynos5420 apll/kpll configuration data >>> clk: exynos: use cpu-clock provider type to represent arm clock >>> ARM: dts: Exynos: add cpu nodes, opp and cpu clock configuration data >>> ARM: Exynos: switch to using generic cpufreq driver for exynos4210/5250 >>> cpufreq: exynos: remove exynos4210/5250 specific cpufreq driver support >> >> In this series, support for Exynos5420 has been included. If there are >> any more changes required, could you please let me know. > > This patch series migrates exynos cpufreq support to use generic > cpufreq drivers. For this, cpu clock blocks are encapsulated into a > cpu clock type and cpufreq driver operates the cpu clock type. > > We had discussed in the [1] about using coordinated clocks. This > series is not using the concept of coordinated clocks but the code in > this series can be migrated to use coordinated clocks when it is > available. > > Is it okay to consider this series for v3.17-rc1. I will update this > code to use coordinated clocks when it is available. This series helps > with cpufreq support for newer Exynos SoCs such as Exynos5420/3250. > > [1] http://www.spinics.net/lists/cpufreq/msg10042.html > I tested this patchset with Exynos3250 cpufreq patchset[1] on Exynos3250 SoC. [1] https://lkml.org/lkml/2014/6/18/126 Tested-by: Chanwoo Choi Best Regards, Chanwoo Choi From mboxrd@z Thu Jan 1 00:00:00 1970 From: cw00.choi@samsung.com (Chanwoo Choi) Date: Fri, 18 Jul 2014 09:44:35 +0900 Subject: [PATCH v7 0/6] cpufreq: use generic cpufreq drivers for exynos platforms In-Reply-To: References: <1405345118-4269-1-git-send-email-thomas.ab@samsung.com> Message-ID: <53C86DF3.1040303@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Thomas, On 07/17/2014 02:58 PM, Thomas Abraham wrote: > Hi Mike, > > On Tue, Jul 15, 2014 at 9:20 AM, Thomas Abraham wrote: >> Hi Tomasz, >> >> On Mon, Jul 14, 2014 at 7:08 PM, Thomas Abraham wrote: >>> Changes since v6: >>> - Fixes suggested by Amit Daniel . >>> >>> This patch series removes the use of Exynos4210 and Exynos5250 specific cpufreq >>> drivers and enables the use of cpufreq-cpu0 driver for these platforms. This >>> series also enabled cpufreq support for Exynos5420 using arm_big_little cpufreq >>> driver. >>> >>> Thomas Abraham (6): >>> clk: samsung: add infrastructure to register cpu clocks >>> clk: samsung: register exynos5420 apll/kpll configuration data >>> clk: exynos: use cpu-clock provider type to represent arm clock >>> ARM: dts: Exynos: add cpu nodes, opp and cpu clock configuration data >>> ARM: Exynos: switch to using generic cpufreq driver for exynos4210/5250 >>> cpufreq: exynos: remove exynos4210/5250 specific cpufreq driver support >> >> In this series, support for Exynos5420 has been included. If there are >> any more changes required, could you please let me know. > > This patch series migrates exynos cpufreq support to use generic > cpufreq drivers. For this, cpu clock blocks are encapsulated into a > cpu clock type and cpufreq driver operates the cpu clock type. > > We had discussed in the [1] about using coordinated clocks. This > series is not using the concept of coordinated clocks but the code in > this series can be migrated to use coordinated clocks when it is > available. > > Is it okay to consider this series for v3.17-rc1. I will update this > code to use coordinated clocks when it is available. This series helps > with cpufreq support for newer Exynos SoCs such as Exynos5420/3250. > > [1] http://www.spinics.net/lists/cpufreq/msg10042.html > I tested this patchset with Exynos3250 cpufreq patchset[1] on Exynos3250 SoC. [1] https://lkml.org/lkml/2014/6/18/126 Tested-by: Chanwoo Choi Best Regards, Chanwoo Choi