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=-5.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 4860EC2D0E4 for ; Tue, 17 Nov 2020 07:21:02 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 BD28B2468B for ; Tue, 17 Nov 2020 07:21:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bRpMVJ2+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BD28B2468B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=siemens.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=oAmVqZnWSUpv8zvxBmZ5+LjcMYdblCbl2pp86fahwAw=; b=bRpMVJ2+wXaWn//weDYz9rJdC PeTaRMKcrv7oScnGbdVzW1Szbgv8ShzcM5yLrkcEYnT2+RjAlLHLya1XG5pWFpSfHg/+56EzqLlvu PHM/KaDmG3yxruYcJWKiZO/zOVGyYkwK5z8a8c+O5OfS00jlmpXAz9WXSy6/PEf0+6AZywj02uZiw 1grNSfQmh+jtAM235lINPqtjJMXmA6liXSrz9gznwZ4VVEERLIk2UwEk7eEL1Q2zcMtanexFWXnNT Rul9YgaPA3jW7FwVg6VNkCtZ6a2Gcba+/xdh/JQTR/QiGvkdvLTfGnaxMCx33OZdL3ha9trsyi/zs 7IdvNsd6g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kevHG-0002fT-20; Tue, 17 Nov 2020 07:19:46 +0000 Received: from goliath.siemens.de ([192.35.17.28]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kevHC-0002ee-T8 for linux-arm-kernel@lists.infradead.org; Tue, 17 Nov 2020 07:19:44 +0000 Received: from mail2.sbs.de (mail2.sbs.de [192.129.41.66]) by goliath.siemens.de (8.15.2/8.15.2) with ESMTPS id 0AH7JTok001940 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Nov 2020 08:19:29 +0100 Received: from [167.87.38.29] ([167.87.38.29]) by mail2.sbs.de (8.15.2/8.15.2) with ESMTP id 0AH7JQno031215; Tue, 17 Nov 2020 08:19:27 +0100 Subject: Re: [PATCH] [RFC] ARM: imx: add smp support for imx7d To: Anson Huang , Fabio Estevam , Laurent Pinchart References: <20200917160814.97995-1-marex@denx.de> <20200922062248.GC25109@dragon> <43c03425-1bcc-b5c1-c82a-4307ee1f0768@denx.de> <20201010002854.GB27426@pendragon.ideasonboard.com> <20201116091004.GC6540@pendragon.ideasonboard.com> From: Jan Kiszka Message-ID: <6bc61bc6-46ae-4b74-be6e-28da51ddf0fa@siemens.com> Date: Tue, 17 Nov 2020 08:19:26 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201117_021943_229528_60CC6CF5 X-CRM114-Status: GOOD ( 15.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Arulpandiyan Vadivel , Anson Huang , Leonard Crestez , Shawn Guo , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , dl-linux-imx 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 On 17.11.20 06:48, Anson Huang wrote: > >> Subject: Re: [PATCH] [RFC] ARM: imx: add smp support for imx7d >> >> Hi Laurent, >> >> On Mon, Nov 16, 2020 at 6:10 AM Laurent Pinchart >> wrote: >> >>> Ping. Could we get this merged ? >> >> Someone needs to address the review comments from Shawn and submit a v2. > > Actually, for i.MX7D, the SMP support, suspend/resume etc. are supported via PSCI in u-boot, below are those patches I did for u-boot. > > 57b6202 imx: mx7: add system suspend/resume support > b059837 imx: mx7: add gpc initialization for low power mode > 11e52bc imx: mx7: psci: improve cpu hotplug flow > 4f0cd03 imx: mx7: psci: add system power off support > 169c20e imx: mx7: psci: add system reset support I think I explained in this thread why that is insufficient for already deployed devices without bootloader upgrade option. Thanks, Jan -- Siemens AG, T RDA IOT Corporate Competence Center Embedded Linux _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel