From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F13ACC35280 for ; Wed, 2 Oct 2019 09:27:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C753D2133F for ; Wed, 2 Oct 2019 09:27:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="DCUdwY76" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727152AbfJBJ1m (ORCPT ); Wed, 2 Oct 2019 05:27:42 -0400 Received: from mail-lj1-f193.google.com ([209.85.208.193]:44545 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725852AbfJBJ1l (ORCPT ); Wed, 2 Oct 2019 05:27:41 -0400 Received: by mail-lj1-f193.google.com with SMTP id m13so16315915ljj.11 for ; Wed, 02 Oct 2019 02:27:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=6SKGJtRjRwGm3Gfog0PHR1zM7cDCImdjAnhzrGYUec4=; b=DCUdwY76HKpHKa3RgaCGbfADwXg4XDsYYaqbrH5c382btFUWzyCXtS8+HgmYhxu0gn dHLj+Eo0zgIyN4P+mXUJJYn9KsRxDVEwzqLWB6IO2Zs+NyMoXM/bmbPtjuuxG/xgmpYN OsjUiONZuNFiXpttc8HlwJ13qTG3HSsRvMdsKOVtOu5g4pXQzmtkRox3FyH7TLvesWQn h1ou+E9vm3yNKaRRjkcTM1il4z5QUgaayUvUS4xK/+njUa7zDCaF4hrfrbJgbaejTbn7 VtQTRxwD9XXyCcTU8Qy71O2HWoUE+AX6BTEDBZ7yg0Q57vXiOeGa3ZLDsRUXKxRHCJYb pqrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=6SKGJtRjRwGm3Gfog0PHR1zM7cDCImdjAnhzrGYUec4=; b=PAhEVBqiyv5NTihM/BBxmbitPhaotQtcI47Xk+By4sFdEhe8/GBfrAVgRr1K50cwU/ wr1QZwRlLkyQ6qHNhp0hFMZuTHRDLGjNmgbFF3eKp5efwt0aEZiLs+uIMvYmnjhjzxKc bsxSeyFYRMa6qBQfFylFjZmNSP0BtwLaenLdaC+8oFGjjPWY7Da9rK226ZEbJnKmT+Pj 0S0wlTkKnHq9rracO7C3Gc4sJpl78LuyqFXziXQ2MSxPWhd7aKjurJgUnt/fKYUb0fNx wnsK0hT7aJOyj1QxAcK1lo+pcEnKZcLoEZgg5VTNzH9WeiBfJH+1OXw7ayO2p5ZlY0/J 3FSg== X-Gm-Message-State: APjAAAXGCcavyqygFEuCs72e+4SsfuCkmyGSlPDBGuiXxfzrVPDfN75c CiWVX9ylqI/N3e00LvIHiBxx+w== X-Google-Smtp-Source: APXvYqzlP5sk7vLuux/qAMdsdIfm+H8xV21u3k2FgL6nwDndAe7xpYuRU4xQyXuHfzD+735xMWvK8w== X-Received: by 2002:a05:651c:150:: with SMTP id c16mr1732245ljd.224.1570008458471; Wed, 02 Oct 2019 02:27:38 -0700 (PDT) Received: from centauri (ua-84-219-138-247.bbcust.telenor.se. [84.219.138.247]) by smtp.gmail.com with ESMTPSA id r19sm4632654ljd.95.2019.10.02.02.27.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2019 02:27:36 -0700 (PDT) Date: Wed, 2 Oct 2019 11:27:34 +0200 From: Niklas Cassel To: Jeffrey Hugo Cc: Amit Kucheria , lkml , MSM , Bjorn Andersson , Andy Gross , Marc Gonzalez , Sibi Sankar , daniel.lezcano@linaro.org, David Brown , Li Yang , Shawn Guo , DTML Subject: Re: [PATCH v2 7/9] arm64: dts: qcom: msm8998: Add PSCI cpuidle low power states Message-ID: <20191002092734.GA15523@centauri> References: <49cf5d94beb9af9ef4e78d4c52f3b0ad20b7c63f.1558430617.git.amit.kucheria@linaro.org> <20191002091950.GA9393@centauri> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191002091950.GA9393@centauri> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 02, 2019 at 11:19:50AM +0200, Niklas Cassel wrote: > On Mon, Sep 30, 2019 at 04:20:15PM -0600, Jeffrey Hugo wrote: > > Amit, the merged version of the below change causes a boot failure > > (nasty hang, sometimes with RCU stalls) on the msm8998 laptops. Oddly > > enough, it seems to be resolved if I remove the cpu-idle-states > > property from one of the cpu nodes. > > > > I see no issues with the msm8998 MTP. > > Hello Jeffrey, Amit, > > If the PSCI idle states work properly on the msm8998 devboard (MTP), > but causes crashes on msm8998 laptops, the only logical change is > that the PSCI firmware is different between the two devices. Since the msm8998 laptops boot using ACPI, perhaps these laptops doesn't support PSCI/have any PSCI firmware at all. Kind regards, Niklas