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 848AAC433F5 for ; Fri, 12 Nov 2021 13:43:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6BE0F61054 for ; Fri, 12 Nov 2021 13:43:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234918AbhKLNqO (ORCPT ); Fri, 12 Nov 2021 08:46:14 -0500 Received: from mail.kernel.org ([198.145.29.99]:43034 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234440AbhKLNqN (ORCPT ); Fri, 12 Nov 2021 08:46:13 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id AE15C60F46; Fri, 12 Nov 2021 13:43:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636724602; bh=TndXQF8eNYfxNvw0ePcsQ5tjzuc+YhY2I9M/NOjrCo8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Zwnv0S9hQRQrTQkEwpGSqxyyJKPfCzg7qyDRlT0PT9u45Pg0elkH8k1z3cAIVpyfi /EqBgED/CR6ExxNb/7cUhGQ4wy0UbLESS9kYPlAWoixhMG9Ccns41hM8w1wtRUp7Xm tp988LFtMh4/YLs0Qj2BkJiW+3vB0M/hxqOPqhAG7caJVQAA7SulUyX8dcHeaQYqVU cYWa/DJ2Coi8MZrlESMI8n+Gzqy+mloFO3OmNZzfTUXGsKCNXgUNEKaCsU9zh9B/td Wg9TmLF1SK0oq36spsL6dwpSRxy1eAaRFgI3TLAXS8jrALV9RDpLZ9Tt4sicRU0hw4 I3sLNhTYaqApg== Date: Fri, 12 Nov 2021 08:43:21 -0500 From: Sasha Levin To: Stephan Gerhold 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-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, Nov 10, 2021 at 09:40:16AM +0100, Stephan Gerhold wrote: >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? Yup, thanks! -- Thanks, Sasha