From patchwork Thu Aug 20 15:08:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Murphy X-Patchwork-Id: 257376 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 89877C433E3 for ; Thu, 20 Aug 2020 15:10:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 73E0321734 for ; Thu, 20 Aug 2020 15:10:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728879AbgHTPKD (ORCPT ); Thu, 20 Aug 2020 11:10:03 -0400 Received: from foss.arm.com ([217.140.110.172]:41298 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728799AbgHTPJz (ORCPT ); Thu, 20 Aug 2020 11:09:55 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B02CC1529; Thu, 20 Aug 2020 08:09:54 -0700 (PDT) Received: from e121345-lin.cambridge.arm.com (e121345-lin.cambridge.arm.com [10.1.196.37]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 200693F6CF; Thu, 20 Aug 2020 08:09:51 -0700 (PDT) From: Robin Murphy To: hch@lst.de, joro@8bytes.org, linux@armlinux.org.uk Cc: will@kernel.org, inki.dae@samsung.com, sw0312.kim@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, agross@kernel.org, bjorn.andersson@linaro.org, thierry.reding@gmail.com, jonathanh@nvidia.com, vdumpa@nvidia.com, digetx@gmail.com, matthias.bgg@gmail.com, yong.wu@mediatek.com, geert+renesas@glider.be, magnus.damm@gmail.com, t-kristo@ti.com, s-anna@ti.com, laurent.pinchart@ideasonboard.com, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 16/18] staging/media/tegra-vde: Clean up IOMMU workaround Date: Thu, 20 Aug 2020 16:08:35 +0100 Message-Id: <3535c205b9bce52556abbf2f63384fb38e009df9.1597931876.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.28.0.dirty In-Reply-To: References: MIME-Version: 1.0 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Now that arch/arm is wired up for default domains and iommu-dma, we no longer need to work around the arch-private mapping. Signed-off-by: Robin Murphy --- drivers/staging/media/tegra-vde/iommu.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/drivers/staging/media/tegra-vde/iommu.c b/drivers/staging/media/tegra-vde/iommu.c index 6af863d92123..4f770189ed34 100644 --- a/drivers/staging/media/tegra-vde/iommu.c +++ b/drivers/staging/media/tegra-vde/iommu.c @@ -10,10 +10,6 @@ #include #include -#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU) -#include -#endif - #include "vde.h" int tegra_vde_iommu_map(struct tegra_vde *vde, @@ -70,14 +66,6 @@ int tegra_vde_iommu_init(struct tegra_vde *vde) if (!vde->group) return 0; -#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU) - if (dev->archdata.mapping) { - struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev); - - arm_iommu_detach_device(dev); - arm_iommu_release_mapping(mapping); - } -#endif vde->domain = iommu_domain_alloc(&platform_bus_type); if (!vde->domain) { err = -ENOMEM;