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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 B6173C432C3 for ; Thu, 14 Nov 2019 06:42:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 98D5720715 for ; Thu, 14 Nov 2019 06:42:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725838AbfKNGmq (ORCPT ); Thu, 14 Nov 2019 01:42:46 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:40104 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725807AbfKNGmq (ORCPT ); Thu, 14 Nov 2019 01:42:46 -0500 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 79F771C349B78791F986; Thu, 14 Nov 2019 14:42:41 +0800 (CST) Received: from [127.0.0.1] (10.177.223.23) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.439.0; Thu, 14 Nov 2019 14:42:32 +0800 Subject: Re: [PATCH v2 3/8] ACPI/IORT: Support PASID for platform devices To: Jean-Philippe Brucker , , , , CC: , , , , , , , , , , , References: <20191108152508.4039168-1-jean-philippe@linaro.org> <20191108152508.4039168-4-jean-philippe@linaro.org> From: Hanjun Guo Message-ID: Date: Thu, 14 Nov 2019 14:42:08 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <20191108152508.4039168-4-jean-philippe@linaro.org> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.223.23] X-CFilter-Loop: Reflected Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On 2019/11/8 23:25, Jean-Philippe Brucker wrote: > Named component nodes in the IORT tables describe the number of > Substream ID bits (aka. PASID) supported by the device. Propagate this This feature is needed for HiSilicon Ascend AI chip, thanks for adding this. > value to the fwspec structure in order to enable PASID for platform > devices. > > Signed-off-by: Jean-Philippe Brucker > --- > drivers/acpi/arm64/iort.c | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) Acked-by: Hanjun Guo