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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3737BC433EF for ; Wed, 10 Nov 2021 08:42:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0D69961106 for ; Wed, 10 Nov 2021 08:42:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 0D69961106 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gerhold.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QgoF481ZdryPb8SQvW6O5pwkBRU+mpcviv4dpP96Zqo=; b=2LqyAyU+VZ9Lco KQGJ+HtgwwHwupE0gr0g2A+KWHYP3a2gMvgFxgoQ2AJdFihFv/yf5PhsPs+IO2mR7Q6ilso9+4fGV dJdh4P14uyBir8GttyKGVl+74c5SPz7P41uoWWhsoRQo9f4Iha38L6+bYS/PP9vZYkd09qVIowagS bOeeLC+iBBxda6FGorj6zIeCSGvWJlr9EQNkXSAkuskabqDz7EZETzVkit1bHnOOcyi7koVrfgsNF 8SCxonDZDSbr5JIl/8iO62QbwSqz7Pr3+8SKmsykw+UgzjKiXDWbv7zdK4HjsQj2HDLP7bxNNELmV lzRE6fdJojtLKh16dTTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mkj9x-004q7C-TF; Wed, 10 Nov 2021 08:40:46 +0000 Received: from mo4-p01-ob.smtp.rzone.de ([85.215.255.52]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mkj9f-004q1v-QA for linux-arm-kernel@lists.infradead.org; Wed, 10 Nov 2021 08:40:29 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1636533623; s=strato-dkim-0002; d=gerhold.net; h=In-Reply-To:References:Message-ID:Subject:Cc:To:From:Date:Cc:Date: From:Subject:Sender; bh=EoxcSaG1zS8onhMLinZTy9RSATOglCLjfc+GAPA1hs4=; b=QsEw7VZu85INtby5O1t1mYNCFSg21OBHBj7ipeYdOBesZ5OdeloR3chtnr/TgorEtu RZdP8SOTcvmcPsajfcaFu3ucQOs2bizqOWV6OreIaLMh9wSFjWB8aJL5A3jZv+Hkabcg 92uhU+tXBgn2TGR3BlDGAzkaMFrh+DE9qx1WgBQVj2s3rOBufkCX6uuMUCPYT/Fk+iT/ C6BLJnDRNboNkLAdVJqszS/7ccs6LOFiDVL/BIt+ZEzfiZQX4ncUh4/IWnzda52kjqhn vpT0bTgTo+sxB4vXpak56IsfrjoSWxGyvdbRR8qV334zY6P53Jf6hG767bVZhy2TIti3 vNgg== Authentication-Results: strato.com; dkim=none X-RZG-AUTH: ":P3gBZUipdd93FF5ZZvYFPugejmSTVR2nRPhVOQ/OcYgojyw4j34+u267FZF9PwpcNKLVrK8+86Y=" X-RZG-CLASS-ID: mo00 Received: from gerhold.net by smtp.strato.de (RZmta 47.34.5 AUTH) with ESMTPSA id j05669xAA8eM2gU (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Wed, 10 Nov 2021 09:40:22 +0100 (CET) Date: Wed, 10 Nov 2021 09:40:16 +0100 From: Stephan Gerhold To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Bjorn Andersson , robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, catalin.marinas@arm.com, will.deacon@arm.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH AUTOSEL 5.15 73/82] arm64: dts: qcom: msm8916: Add CPU ACC and SAW/SPM Message-ID: References: <20211109221641.1233217-1-sashal@kernel.org> <20211109221641.1233217-73-sashal@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211109221641.1233217-73-sashal@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211110_004028_088301_F639B5E9 X-CRM114-Status: GOOD ( 17.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Sasha, On Tue, Nov 09, 2021 at 05:16:31PM -0500, Sasha Levin wrote: > From: Stephan Gerhold > > [ Upstream commit a22f9a766e1dc61f8f6ee2edfe83d4d23d78e059 ] > > Add the device tree nodes necessary for SMP bring-up and cpuidle > without PSCI on ARM32. The hardware is typically controlled by the > PSCI implementation in the TrustZone firmware and is therefore marked > as status = "reserved" by default (from the device tree specification): > > "Indicates that the device is operational, but should not be used. > Typically this is used for devices that are controlled by another > software component, such as platform firmware." > > Since this is part of the MSM8916 SoC it should be added to msm8916.dtsi > but in practice these nodes should only get enabled via an extra include > on ARM32. > > This is necessary for some devices with signed firmware which is missing > both ARM64 and PSCI support and can therefore only boot ARM32 kernels. > > Signed-off-by: Stephan Gerhold > Signed-off-by: Bjorn Andersson > Link: https://lore.kernel.org/r/20211004204955.21077-13-stephan@gerhold.net > Signed-off-by: Sasha Levin > This patch is not useful without other changes that landed in 5.16 (in particular, the new device actually making use of these nodes). Can you drop this patch? Thanks, Stephan _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel