From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH v4 7/7] ARM: S5PV210: Initial CPUFREQ Support Date: Thu, 22 Jul 2010 11:21:09 +0100 Message-ID: <20100722102109.GI10930@sirena.org.uk> References: <1279790573-24179-1-git-send-email-myungjoo.ham@samsung.com> <1279790573-24179-2-git-send-email-myungjoo.ham@samsung.com> <1279790573-24179-3-git-send-email-myungjoo.ham@samsung.com> <1279790573-24179-4-git-send-email-myungjoo.ham@samsung.com> <1279790573-24179-5-git-send-email-myungjoo.ham@samsung.com> <1279790573-24179-6-git-send-email-myungjoo.ham@samsung.com> <1279790573-24179-7-git-send-email-myungjoo.ham@samsung.com> <1279790573-24179-8-git-send-email-myungjoo.ham@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cassiel.sirena.org.uk ([80.68.93.111]:34849 "EHLO cassiel.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753190Ab0GVKVM (ORCPT ); Thu, 22 Jul 2010 06:21:12 -0400 Content-Disposition: inline In-Reply-To: <1279790573-24179-8-git-send-email-myungjoo.ham@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: MyungJoo Ham Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, kyungmin.park@samsung.com, kgene.kim@samsung.com, myungjoo.ham@gmail.com, ben-linux@fluff.org On Thu, Jul 22, 2010 at 06:22:53PM +0900, MyungJoo Ham wrote: > S5PV210 CPUFREQ Support. > > This CPUFREQ may work without PMIC's DVS support. However, it is not > as effective without DVS support as supposed. AVS is not supported in > this version. > > Note that CLK_SRC of some clocks including ARMCLK, G3D, G2D, MFC, > and ONEDRAM are modified directly without updating clksrc_src > representations of the clocks. Because CPUFREQ reverts the CLK_SRC > to the supposed values, this does not affect the consistency as long as > there are no other modules that modifies clock sources of ARMCLK, G3D, > G2D, MFC, and ONEDRAM (and only CPUFREQ should have the control). As > soon as clock framework is settled, we may update source clocks > (.parent field) of those clocks accordingly later. > > Signed-off-by: MyungJoo Ham > Signed-off-by: Kyungmin Park Still Acked-by: Mark Brown