Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933528AbcK2MSw (ORCPT ); Tue, 29 Nov 2016 07:18:52 -0500 Received: from mail-pg0-f46.google.com ([74.125.83.46]:33771 "EHLO mail-pg0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751494AbcK2MSn (ORCPT ); Tue, 29 Nov 2016 07:18:43 -0500 Subject: Re: [PATCH v9 09/16] drivers: acpi: iort: add support for ARM SMMU platform devices creation To: Lorenzo Pieralisi , iommu@lists.linux-foundation.org References: <20161121100148.24769-1-lorenzo.pieralisi@arm.com> <20161121100148.24769-10-lorenzo.pieralisi@arm.com> Cc: Tomasz Nowicki , "Rafael J. Wysocki" , Will Deacon , Marc Zyngier , Robin Murphy , Joerg Roedel , Jon Masters , Eric Auger , Sinan Kaya , Nate Watterson , Prem Mallappa , Dennis Chen , linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: Hanjun Guo Message-ID: <11ea77fa-688f-d31d-bd3c-35ca52e0a18b@linaro.org> Date: Tue, 29 Nov 2016 20:17:58 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <20161121100148.24769-10-lorenzo.pieralisi@arm.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1331 Lines: 32 On 2016/11/21 18:01, Lorenzo Pieralisi wrote: > In ARM ACPI systems, IOMMU components are specified through static > IORT table entries. In order to create platform devices for the > corresponding ARM SMMU components, IORT kernel code should be made > able to parse IORT table entries and create platform devices > dynamically. > > This patch adds the generic IORT infrastructure required to create > platform devices for ARM SMMUs. > > ARM SMMU versions have different resources requirement therefore this > patch also introduces an IORT specific structure (ie iort_iommu_config) > that contains hooks (to be defined when the corresponding ARM SMMU > driver support is added to the kernel) to be used to define the > platform devices names, init the IOMMUs, count their resources and > finally initialize them. > > Signed-off-by: Lorenzo Pieralisi > Reviewed-by: Tomasz Nowicki > Tested-by: Hanjun Guo > Tested-by: Tomasz Nowicki > Cc: Hanjun Guo > Cc: Tomasz Nowicki > Cc: "Rafael J. Wysocki" > --- > drivers/acpi/arm64/iort.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 151 insertions(+) Acked-by: Hanjun Guo Thanks Hanjun