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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,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 CCAFDC433B4 for ; Fri, 2 Apr 2021 00:35:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9589E61104 for ; Fri, 2 Apr 2021 00:35:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233701AbhDBAfk (ORCPT ); Thu, 1 Apr 2021 20:35:40 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:15464 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231168AbhDBAfk (ORCPT ); Thu, 1 Apr 2021 20:35:40 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4FBLd75H6vzwR1g; Fri, 2 Apr 2021 08:33:31 +0800 (CST) Received: from [10.174.178.147] (10.174.178.147) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.498.0; Fri, 2 Apr 2021 08:35:30 +0800 Subject: Re: [PATCH v14 02/10] iommu/arm-smmu-v3: Use device properties for pasid-num-bits To: Jean-Philippe Brucker , , CC: , , , , , , , , , , , , , , , , , , , , , References: <20210401154718.307519-1-jean-philippe@linaro.org> <20210401154718.307519-3-jean-philippe@linaro.org> From: Hanjun Guo Message-ID: <5e0037ea-7c1a-ecbd-e5db-89050679650e@huawei.com> Date: Fri, 2 Apr 2021 08:35:29 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20210401154718.307519-3-jean-philippe@linaro.org> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.178.147] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 2021/4/1 23:47, Jean-Philippe Brucker wrote: > The pasid-num-bits property shouldn't need a dedicated fwspec field, > it's a job for device properties. Add properties for IORT, and access > the number of PASID bits using device_property_read_u32(). > > Suggested-by: Robin Murphy > Acked-by: Jonathan Cameron > Acked-by: Will Deacon > Reviewed-by: Eric Auger > Signed-off-by: Jean-Philippe Brucker > --- > include/linux/iommu.h | 2 -- > drivers/acpi/arm64/iort.c | 13 +++++++------ Acked-by: Hanjun Guo