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=-11.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_SANE_2 autolearn=unavailable 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 17167C433DF for ; Wed, 22 Jul 2020 09:37:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E01EF2077D for ; Wed, 22 Jul 2020 09:37:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="NjCDJqZS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731346AbgGVJh2 (ORCPT ); Wed, 22 Jul 2020 05:37:28 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:58470 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726147AbgGVJh1 (ORCPT ); Wed, 22 Jul 2020 05:37:27 -0400 X-UUID: bc25f425410f41ba8a1479cacb3d51f7-20200722 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=FbUlnD+6PGhMZQV7tfhB8H9xa+hG0Mjtj1brBRLF1eY=; b=NjCDJqZSzVquYPFYJwusCyl/Vop979U6xQSBzPzcZwY8yH2c+KowPJAc7jw/6zgmYvqola2IawEkb4pSxDkUiKZt+vQs4ITmdsEUJSiyMWfsteRHOuCRH1WMMTFYpOLxBlxgHBCia9QVM0JHib40F9LYPZXI3mH6pyCF/6TwDgQ=; X-UUID: bc25f425410f41ba8a1479cacb3d51f7-20200722 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 663952016; Wed, 22 Jul 2020 17:37:21 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Jul 2020 17:37:16 +0800 Received: from [172.21.77.33] (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 22 Jul 2020 17:37:17 +0800 Message-ID: <1595410637.10848.7.camel@mtkswgap22> Subject: Re: [PATCH v2] iommu/mediatek: check 4GB mode by reading infracfg From: Miles Chen To: Matthias Brugger CC: Yong Wu , Joerg Roedel , "Rob Herring" , , , , , , Mike Rapoport , David Hildenbrand , Yingjoe Chen , Christoph Hellwig , Chao Hao Date: Wed, 22 Jul 2020 17:37:17 +0800 In-Reply-To: <1595402238.10848.3.camel@mtkswgap22> References: <20200721021619.25575-1-miles.chen@mediatek.com> <1595330677.16172.55.camel@mhfsdcap03> <28bf052f-e388-d300-4abe-38f17bff01b6@gmail.com> <1595402238.10848.3.camel@mtkswgap22> Content-Type: text/plain; charset="UTF-8" X-Mailer: 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