From patchwork Thu Jan 24 13:16:56 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hiroshi DOYU X-Patchwork-Id: 2031731 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 01B3A3FD56 for ; Thu, 24 Jan 2013 13:19:49 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TyMgU-0005Rh-U4; Thu, 24 Jan 2013 13:17:38 +0000 Received: from hqemgate04.nvidia.com ([216.228.121.35]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TyMgS-0005Qx-Pu for linux-arm-kernel@lists.infradead.org; Thu, 24 Jan 2013 13:17:37 +0000 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate04.nvidia.com id ; Thu, 24 Jan 2013 05:17:13 -0800 Received: from hqemhub01.nvidia.com ([172.17.108.22]) by hqnvupgp07.nvidia.com (PGP Universal service); Thu, 24 Jan 2013 05:17:13 -0800 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Thu, 24 Jan 2013 05:17:13 -0800 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by hqemhub01.nvidia.com (172.20.150.30) with Microsoft SMTP Server id 8.3.297.1; Thu, 24 Jan 2013 05:17:26 -0800 Received: from thelma.nvidia.com (Not Verified[172.16.212.77]) by hqnvemgw02.nvidia.com with MailMarshal (v6,7,2,8378) id ; Thu, 24 Jan 2013 05:17:26 -0800 Received: from oreo.Nvidia.com (dhcp-10-21-25-186.nvidia.com [10.21.25.186]) by thelma.nvidia.com (8.13.8+Sun/8.8.8) with ESMTP id r0ODHMju003458; Thu, 24 Jan 2013 05:17:23 -0800 (PST) From: Hiroshi Doyu To: Subject: [PATCH 1/2] ARM: dma-mapping: Add macro to_dma_iommu_mapping() Date: Thu, 24 Jan 2013 15:16:56 +0200 Message-ID: <1359033425-6674-1-git-send-email-hdoyu@nvidia.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130124_081736_979585_32F99580 X-CRM114-Status: UNSURE ( 8.76 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.6 (-------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-7.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [216.228.121.35 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Russell King , Arnd Bergmann , Konrad Rzeszutek Wilk , linux-kernel@vger.kernel.org, Kyungmin Park , Hiroshi Doyu , Marek Szyprowski X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This can be built without CONFIG_ARM_DMA_USE_IOMMU. Signed-off-by: Hiroshi Doyu --- arch/arm/include/asm/device.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h index 5191a83..6fbe514 100644 --- a/arch/arm/include/asm/device.h +++ b/arch/arm/include/asm/device.h @@ -33,4 +33,10 @@ struct pdev_archdata { #endif }; +#ifdef CONFIG_ARM_DMA_USE_IOMMU +#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping) +#else +#define to_dma_iommu_mapping(dev) NULL +#endif + #endif