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=-7.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 246F4C61DD8 for ; Mon, 16 Nov 2020 17:44:07 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 B9BAC22265 for ; Mon, 16 Nov 2020 17:44:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B9BAC22265 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 73A2485F0F; Mon, 16 Nov 2020 17:44:06 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HmY2eHiILESS; Mon, 16 Nov 2020 17:44:05 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id EC22B85569; Mon, 16 Nov 2020 17:44:05 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D8AC2C0891; Mon, 16 Nov 2020 17:44:05 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id B031CC07FF for ; Mon, 16 Nov 2020 17:44:04 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 99DE885E77 for ; Mon, 16 Nov 2020 17:44:04 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eVDEWamKJzeQ for ; Mon, 16 Nov 2020 17:44:04 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-oi1-f195.google.com (mail-oi1-f195.google.com [209.85.167.195]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 308C085569 for ; Mon, 16 Nov 2020 17:44:04 +0000 (UTC) Received: by mail-oi1-f195.google.com with SMTP id w145so19654918oie.9 for ; Mon, 16 Nov 2020 09:44:04 -0800 (PST) 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; bh=aDraipXgK+j9ThnWRAuoxovGZzBsfeJ+1er3RHu2IRg=; b=Xxf5sSQ7HKam2sxmBgu3y/jdFs1hWOo+h16SK7as7T7bovDhz0g4ZOWWZx95/6c/uq c1O2oQNharGOD0JZf4GOQRVeZELh+k1OmeZfrIU5zDaj+bHkkvZ8ED0gU2fbNSlHRWOx kzJwj8QGLfSz9oC/EuTT1oiOcS3xjN3U4ltJfV/nOlqQ6wdMB0bVAk+LaG4Y5FToAqsM jqKvCcL3BYs2NP8AmAJWppm85qzvtH4pksy5ZPTPqH9KehgXdP6ER/kbvYMfxs3IhZx9 vUVB2iQtgu3tlrEfI0tpmfqS2Q0P9MutWke1F7wefFt1lKJSYO7bZ/4t2Sp2iLbSEpRZ dFgw== X-Gm-Message-State: AOAM532auynus032W8BSLbcTRdQwUahDwODdPJavaLp6lbZwdERrR9SV Rv7aLBDpsAuq/6B29odOzQ== X-Google-Smtp-Source: ABdhPJyGW1TUwaevOXIBOiYNkYrlF4+cuSOA6lvXI2KLAfneT0Oy+X6YDbPqkJCXzeLvwXi5szqGJg== X-Received: by 2002:aca:bbc2:: with SMTP id l185mr424763oif.172.1605548643381; Mon, 16 Nov 2020 09:44:03 -0800 (PST) Received: from xps15 (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id k11sm4871965otr.14.2020.11.16.09.44.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Nov 2020 09:44:02 -0800 (PST) Received: (nullmailer pid 1862027 invoked by uid 1000); Mon, 16 Nov 2020 17:44:01 -0000 Date: Mon, 16 Nov 2020 11:44:01 -0600 From: Rob Herring To: Yong Wu Subject: Re: [PATCH v4 04/24] dt-bindings: memory: mediatek: Add domain definition Message-ID: <20201116174401.GA1861980@bogus> References: <20201111123838.15682-1-yong.wu@mediatek.com> <20201111123838.15682-5-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201111123838.15682-5-yong.wu@mediatek.com> Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , srv_heupstream@mediatek.com, chao.hao@mediatek.com, kernel-team@android.com, anan.sun@mediatek.com, Krzysztof Kozlowski , linux-kernel@vger.kernel.org, Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , linux-mediatek@lists.infradead.org, Evan Green , Matthias Brugger , Greg Kroah-Hartman , Will Deacon , linux-arm-kernel@lists.infradead.org, Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, 11 Nov 2020 20:38:18 +0800, Yong Wu wrote: > In the latest SoC, there are several HW IP require a sepecial iova > range, mainly CCU and VPU has this requirement. Take CCU as a example, > CCU require its iova locate in the range(0x4000_0000 ~ 0x43ff_ffff). > > In this patch we add a domain definition for the special port. In the > example of CCU, If we preassign CCU port in domain1, then iommu driver > will prepare a independent iommu domain of the special iova range for it, > then the iova got from dma_alloc_attrs(ccu-dev) will locate in its special > range. > > This is a preparing patch for multi-domain support. > > Signed-off-by: Yong Wu > --- > include/dt-bindings/memory/mtk-smi-larb-port.h | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > Acked-by: Rob Herring _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu