Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752840AbbHEJot (ORCPT ); Wed, 5 Aug 2015 05:44:49 -0400 Received: from pandora.arm.linux.org.uk ([78.32.30.218]:36402 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751493AbbHEJor (ORCPT ); Wed, 5 Aug 2015 05:44:47 -0400 Date: Wed, 5 Aug 2015 10:44:30 +0100 From: Russell King - ARM Linux To: Scott Shu Cc: Matthias Brugger , Sascha Hauer , Mark Rutland , devicetree@vger.kernel.org, wsd_upstream@mediatek.com, scott.shu@gmail.com, loda.chou@mediatek.com, linux-kernel@vger.kernel.org, jades.shih@mediatek.com, linux-mediatek@lists.infradead.org, Mars.Cheng@mediatek.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v3 5/8] ARM: mediatek: add smp bringup code for MT6580 Message-ID: <20150805094429.GU7557@n2100.arm.linux.org.uk> References: <1438696464-59858-1-git-send-email-scott.shu@mediatek.com> <1438696464-59858-6-git-send-email-scott.shu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1438696464-59858-6-git-send-email-scott.shu@mediatek.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 724 Lines: 16 On Tue, Aug 04, 2015 at 09:54:21PM +0800, Scott Shu wrote: > Add support for cpu enable-method "mediatek,mt6580-smp" for booting > secondary CPUs on MT6580. If you have CPU power domain support, and you power up and power down the CPUs, why do you need the boot_lock and pen_release stuff? Isn't keeping the power off on a CPU sufficient to prevent it entering the kernel? -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/