From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752035AbcEIKVj (ORCPT ); Mon, 9 May 2016 06:21:39 -0400 Received: from 8bytes.org ([81.169.241.247]:53205 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751188AbcEIKVh (ORCPT ); Mon, 9 May 2016 06:21:37 -0400 Date: Mon, 9 May 2016 12:20:41 +0200 From: Joerg Roedel To: Wan Zongshun Cc: iommu@lists.linux-foundation.org, vw@iommu.org, mcuos.com@gmail.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iommu/amd: Set AMD iommu callbacks for platform bus driver Message-ID: <20160509102041.GA13275@8bytes.org> References: <1460640533-3025-1-git-send-email-vincent.wan@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1460640533-3025-1-git-send-email-vincent.wan@amd.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 14, 2016 at 09:28:53AM -0400, Wan Zongshun wrote: > From: Wan Zongshun > > AMD has more drivers will use ACPI to platform bus driver later, > all those devices need iommu support, such as eMMC acpi driver. > > Signed-off-by: Wan Zongshun > --- > drivers/iommu/amd_iommu.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c > index c430c10..547cdd4 100644 > --- a/drivers/iommu/amd_iommu.c > +++ b/drivers/iommu/amd_iommu.c > @@ -21,6 +21,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -2980,6 +2981,9 @@ int __init amd_iommu_init_api(void) > if (err) > return err; > #endif > + err = bus_set_iommu(&platform_bus_type, &amd_iommu_ops); > + if (err) > + return err; Is the platform_bus_type always defined or does this code needs to be guarded by another ifdef? Joerg