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=-5.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,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 2BA78C41604 for ; Sat, 3 Oct 2020 14:05:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1F91206CD for ; Sat, 3 Oct 2020 14:05:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tJ7/eg7d" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725787AbgJCOF4 (ORCPT ); Sat, 3 Oct 2020 10:05:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725781AbgJCOF4 (ORCPT ); Sat, 3 Oct 2020 10:05:56 -0400 Received: from mail-lf1-x142.google.com (mail-lf1-x142.google.com [IPv6:2a00:1450:4864:20::142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E88F7C0613D0; Sat, 3 Oct 2020 07:05:55 -0700 (PDT) Received: by mail-lf1-x142.google.com with SMTP id z19so5435874lfr.4; Sat, 03 Oct 2020 07:05:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=P8VKZJgIOfKJQqqxkg2s++QEd40BwnCYRjtS8zyaB9g=; b=tJ7/eg7daE0NdushXX21Wxs1bod4oGp4wlBaQK3220LPx0VyyC45aevFobwKnVXCXk C/vy+nvb1Fw5OlcX4cYb303szLb0rBg7O99OHZIQYNLsZrWmtq2AoiErOOeTacdowfd3 nagpFEK8KjRUHY8xboL8xZDTXai0uGoHgufwV50RprcfgWwnzbWWauVAk4B2T8NGRZ3y GAAnAFC8yHQSHziJAdyGqFSuaJAZRFBKrmkz0FwB9Iy3vXyKHUjAkAJvdl96mWOmYUEx DZFcN8c/OvZfgdPzf96veIdEm9nQAtDW3WmFG+iWgZqi6w77jGhCpPMiLi8x+V8JDVBD ZmKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=P8VKZJgIOfKJQqqxkg2s++QEd40BwnCYRjtS8zyaB9g=; b=fX1iiQydsHNDUChj/VqhpBMts+9Y1bxNF1EwpzEBubwK2AYSPRweNkvuOwwVqOsacQ KEazCMHNwnmwCPBes2Ry65WCTbHjQOXMZkZ8817Zb6q4EnWgeQsb/TMZ8QTd27C4Jmph g2BQrhpzzKNSmdZHPp/qqUKkkNETMowbA3sE5yflbjcuVI7ODKuG54Ey+bJHxF/k0AtE iAVohLkYKZgIFCrrf/+A9aqQT2JHZDktj39AWrZtL6X0VQpvc2+IcE71Mj+zER2PnEDD DTskwOMWLjp9aRcOrbmJdXpLZ9h4bZtHWCNK6G+f2BXT81Jo8dmJLZDCSizbny4iTHwx cfEQ== X-Gm-Message-State: AOAM531mu5UwQ6Rc7z2y4Mt+s+JfMpLnSEq+riyqTsHuXGmJHDcEMsud rkyKBV4ZnSDZ/NCmtlaJ5HCJRTqHqm4= X-Google-Smtp-Source: ABdhPJwiIVBKjbuMqPuBu145QDDnNyabxNwZ3EBw4jd/qIpOQAicGFWbr0s4AlF9dhzXMLJO+WoYgA== X-Received: by 2002:ac2:4827:: with SMTP id 7mr2765932lft.493.1601733954070; Sat, 03 Oct 2020 07:05:54 -0700 (PDT) Received: from [192.168.2.145] (109-252-91-252.nat.spd-mgts.ru. [109.252.91.252]) by smtp.googlemail.com with ESMTPSA id z2sm1630625lfc.209.2020.10.03.07.05.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 03 Oct 2020 07:05:53 -0700 (PDT) Subject: Re: [PATCH v5 2/3] iommu/tegra-smmu: Rework tegra_smmu_probe_device() To: Nicolin Chen , thierry.reding@gmail.com, joro@8bytes.org Cc: vdumpa@nvidia.com, jonathanh@nvidia.com, linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org References: <20201003065947.18671-1-nicoleotsuka@gmail.com> <20201003065947.18671-3-nicoleotsuka@gmail.com> From: Dmitry Osipenko Message-ID: <97d69b0b-db32-08ff-0691-73cfa571f974@gmail.com> Date: Sat, 3 Oct 2020 17:05:52 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201003065947.18671-3-nicoleotsuka@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 03.10.2020 09:59, Nicolin Chen пишет: > ubuntu@jetson:~$ dmesg | grep iommu > iommu: Default domain type: Translated > tegra-i2c 7000c400.i2c: Adding to iommu group 0 > tegra-i2c 7000c500.i2c: Adding to iommu group 0 > tegra-i2c 7000d000.i2c: Adding to iommu group 0 > tegra-pcie 1003000.pcie: Adding to iommu group 1 Could you please explain how you got I2C into IOMMU? Are you testing vanilla upstream kerne? Upstream DT doesn't assign AHB group to I2C controllers, nor to APB DMA controller.