From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [PATCH] mmc: agressive clocking framework v9 Date: Tue, 09 Nov 2010 19:29:01 +0900 Message-ID: <4CD9226D.2050307@samsung.com> References: <43E4817426ED174AA81263BCECB4351D131D9D41BC@sc-vexch3.marvell.com> <041757E8-9FCD-4FA8-8079-7A3FC07E4038@marvell.com> <4CD7C586.6020809@stericsson.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7BIT Return-path: Received: from mailout2.samsung.com ([203.254.224.25]:14591 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754630Ab0KIK3h (ORCPT ); Tue, 9 Nov 2010 05:29:37 -0500 Received: from epmmp1 (mailout2.samsung.com [203.254.224.25]) by mailout2.samsung.com (Sun Java(tm) System Messaging Server 7u3-15.01 64bit (built Feb 12 2010)) with ESMTP id <0LBM00LPV53OFU70@mailout2.samsung.com> for linux-mmc@vger.kernel.org; Tue, 09 Nov 2010 19:28:37 +0900 (KST) Received: from TNRNDGASPAPP1.tn.corp.samsungelectronics.net ([165.213.149.150]) by mmp1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0LBM008J153OTK@mmp1.samsung.com> for linux-mmc@vger.kernel.org; Tue, 09 Nov 2010 19:28:36 +0900 (KST) In-reply-to: <4CD7C586.6020809@stericsson.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Linus Walleij Cc: Philip Rakity , Nicolas Pitre , Ohad Ben-Cohen , "linux-mmc@vger.kernel.org" Hi Linus.. i tested the clocking framework v8...at samsung SOC just this patch worked S/W enable/disable..not H/W clock.. So i agreed the philip's opinion.. i also think that need some approach about H/W clock gating.. Linus Walleij wrote: > Philip Rakity wrote: > >> I am concerned that having the core/ layer ask for clocks off and on is >> >> a) not needed when h/w clock gating is enabled >> b) may invoke bad behavior in the controller >> c) is not optimal since the h/w is already handling this. > > So do not CONFIG_MMC_CLKGATE for this platform? > > I don't quite get it I think... > > Yours, > Linus Walleij > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Thanks, Jaehoon Chung