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[209.132.180.67]) by mx.google.com with ESMTP id k134si5288203pga.401.2018.11.27.18.47.24; Tue, 27 Nov 2018 18:47:39 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=ysl3JzkV; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727218AbeK1Nqo (ORCPT + 99 others); Wed, 28 Nov 2018 08:46:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:46050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726548AbeK1Nqo (ORCPT ); Wed, 28 Nov 2018 08:46:44 -0500 Received: from dragon (61-216-91-114.HINET-IP.hinet.net [61.216.91.114]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C3E1F20817; Wed, 28 Nov 2018 02:46:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1543373205; bh=oe5q7IrUFCHCkoXGstNL6Z6IWbLaVv9Ahvwyi0HXUf0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ysl3JzkV3/zriesgLeNHXtzEkTBopjQaisEYUz+In55cCcxtTevxZbCmrgFF5wsrI rB/bBRhPjClISbzEVqpO+7kbTPd71txysS+nTrfSVQQltpAybfoS7jK21RIOKh1wJt iHlLs2jDUqgtR4g79HAw+OlWJX+vH1LPNkFLys94= Date: Wed, 28 Nov 2018 10:46:26 +0800 From: Shawn Guo To: Viresh Kumar Cc: Mark Rutland , Rob Herring , Li Yang , devicetree@vger.kernel.org, Vincent Guittot , Daniel Lezcano , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/6] ARM: dts: ls1021a: Add all CPUs in cooling maps Message-ID: <20181128024625.GD20643@dragon> References: <4e3e13854a25a2c59a8202872191be329ae4d5f1.1542362000.git.viresh.kumar@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4e3e13854a25a2c59a8202872191be329ae4d5f1.1542362000.git.viresh.kumar@linaro.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 16, 2018 at 03:31:11PM +0530, Viresh Kumar wrote: > Each CPU can (and does) participate in cooling down the system but the > DT only captures a handful of them, normally CPU0, in the cooling maps. > Things work by chance currently as under normal circumstances its the > first CPU of each cluster which is used by the operating systems to > probe the cooling devices. But as soon as this CPU ordering changes and > any other CPU is used to bring up the cooling device, we will start > seeing failures. > > Also the DT is rather incomplete when we list only one CPU in the > cooling maps, as the hardware doesn't have any such limitations. > > Update cooling maps to include all devices affected by individual trip > points. > > Signed-off-by: Viresh Kumar Applied, thanks.