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=-15.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 50B4BC433B4 for ; Wed, 7 Apr 2021 17:35:51 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 E623361359 for ; Wed, 7 Apr 2021 17:35:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E623361359 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=amsat.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49608 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lUC5m-0006GP-17 for qemu-devel@archiver.kernel.org; Wed, 07 Apr 2021 13:35:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42344) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUC2h-0002y1-IQ; Wed, 07 Apr 2021 13:32:39 -0400 Received: from mail-ed1-x532.google.com ([2a00:1450:4864:20::532]:39927) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lUC2g-0004Ws-05; Wed, 07 Apr 2021 13:32:39 -0400 Received: by mail-ed1-x532.google.com with SMTP id k8so14437873edn.6; Wed, 07 Apr 2021 10:32:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=n/8NFr3CO5ikP/M+M9fMssrRA/jFiaLPQrSEIVwPoX8=; b=EVV8BsU3ftn9Sy9gun0QZOo1DbtAQXooQsKO1ZIuVrKwcRrjP67NA+1lOrRAREUiyX m09Rt4IsZiJsKwoEFcK+7+TY7zEf+pWe50TPIrIcGVDIV9jfrjQtdTwaEMU5why0s3Jd qRnlPlPDLD+lqDnBBAYccgrcG+Ugl8a8l7w9fIsCPdup+JGhKCuv/Vvl1vwoCdcrXJg0 bruseXRhSp/hXjjUmzw12BecEiJlajczHIKqg+DaWolQmYOiR689oR+enqL+gtISzXaj ZIJ4pl0OiiyQ3pbs5ZIdNvkx1sT8zV0DgFZnVNMGoJewKTqIG8Iybgi2abwmaqJjcBVC 1PUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=n/8NFr3CO5ikP/M+M9fMssrRA/jFiaLPQrSEIVwPoX8=; b=beU581SKWLxk8WxF87psPLFY12Vuie6onre7czqeNQzu0eoYrSwwpvyFz/JDjsvxCl bswYmwEv/6phL7F/dMRaN0fGWJJ3EBP3TI/Xd/izNHTCJ6H2SrG7Nn5ueMv2jrE3VpyZ L5gDOa4ZjNms7ycHSpvwIgBK/UTJ2ARr/9EvBJlTJf736JMd2j+DDNzgJXtLPcDDMmNO FPN4I4xjkuYqCi0KbhDs5oS7wPsIRAbLLnFUbmoy7G3U40rGFi7iXlLW4aTvJVwIIQuc zGybwMZsHWUSEqiQ0kTbLbeUMHJ+J9worT1ctky0CA/T3Cibz8hs64s8RwRa2OW6pEt6 rr0w== X-Gm-Message-State: AOAM531ov7sQa4HxHj6buu8EPOZgPzHM80+qaZa26808NIT88/IoBpQY jgqH9eXqVunNgOjJaEtEeMc= X-Google-Smtp-Source: ABdhPJzj6QHmjTbbcfUf401et/hQ/fyE2qaSxLOHa2imd2A34zD93uMunWkDnrB7XsXjPXWrkWXSyA== X-Received: by 2002:a05:6402:280f:: with SMTP id h15mr2290050ede.150.1617816755769; Wed, 07 Apr 2021 10:32:35 -0700 (PDT) Received: from [192.168.1.36] (17.red-88-21-201.staticip.rima-tde.net. [88.21.201.17]) by smtp.gmail.com with ESMTPSA id df8sm6604754edb.4.2021.04.07.10.32.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 07 Apr 2021 10:32:35 -0700 (PDT) Subject: Re: [PATCH 01/24] aspeed/smc: Use the RAM memory region for DMAs To: =?UTF-8?Q?C=c3=a9dric_Le_Goater?= , Peter Maydell References: <20210407171637.777743-1-clg@kaod.org> <20210407171637.777743-2-clg@kaod.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Wed, 7 Apr 2021 19:32:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210407171637.777743-2-clg@kaod.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::532; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-ed1-x532.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Jeffery , qemu-arm@nongnu.org, qemu-devel@nongnu.org, Joel Stanley Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 4/7/21 7:16 PM, Cédric Le Goater wrote: > Instead of passing the memory address space region, simply use the RAM > memory region instead. This simplifies RAM accesses. > > Fixes: c4e1f0b48322 ("aspeed/smc: Add support for DMAs") > Cc: Philippe Mathieu-Daudé > Signed-off-by: Cédric Le Goater > --- > hw/arm/aspeed.c | 2 +- > hw/ssi/aspeed_smc.c | 3 +-- > 2 files changed, 2 insertions(+), 3 deletions(-) Reviewed-by: Philippe Mathieu-Daudé