From patchwork Thu Jun 25 13:08:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joerg Roedel X-Patchwork-Id: 11625313 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8C8D214E3 for ; Thu, 25 Jun 2020 13:17:13 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 74CC9206A1 for ; Thu, 25 Jun 2020 13:17:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 74CC9206A1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B74F06E287; Thu, 25 Jun 2020 13:17:11 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6A35F6E262 for ; Thu, 25 Jun 2020 13:16:58 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id 0044846A; Thu, 25 Jun 2020 15:08:38 +0200 (CEST) From: Joerg Roedel To: iommu@lists.linux-foundation.org Date: Thu, 25 Jun 2020 15:08:29 +0200 Message-Id: <20200625130836.1916-7-joro@8bytes.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200625130836.1916-1-joro@8bytes.org> References: <20200625130836.1916-1-joro@8bytes.org> Subject: [Intel-gfx] [PATCH 06/13] iommu/tegra: Use dev_iommu_priv_get/set() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, Heiko Stuebner , David Airlie , Benjamin Herrenschmidt , Paul Mackerras , Will Deacon , Marek Szyprowski , Michael Ellerman , Joerg Roedel , x86@kernel.org, Russell King , Catalin Marinas , Fenghua Yu , Joerg Roedel , intel-gfx@lists.freedesktop.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org, Tony Luck , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, David Woodhouse , Lu Baolu MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Joerg Roedel Remove the use of dev->archdata.iommu and use the private per-device pointer provided by IOMMU core code instead. Signed-off-by: Joerg Roedel --- drivers/iommu/tegra-gart.c | 8 ++++---- drivers/iommu/tegra-smmu.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index 5fbdff6ff41a..fac720273889 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -113,8 +113,8 @@ static int gart_iommu_attach_dev(struct iommu_domain *domain, if (gart->active_domain && gart->active_domain != domain) { ret = -EBUSY; - } else if (dev->archdata.iommu != domain) { - dev->archdata.iommu = domain; + } else if (dev_iommu_priv_get(dev) != domain) { + dev_iommu_priv_set(dev, domain); gart->active_domain = domain; gart->active_devices++; } @@ -131,8 +131,8 @@ static void gart_iommu_detach_dev(struct iommu_domain *domain, spin_lock(&gart->dom_lock); - if (dev->archdata.iommu == domain) { - dev->archdata.iommu = NULL; + if (dev_iommu_priv_get(dev) == domain) { + dev_iommu_priv_set(dev, NULL); if (--gart->active_devices == 0) gart->active_domain = NULL; diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 7426b7666e2b..124c8848ab7e 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -465,7 +465,7 @@ static void tegra_smmu_as_unprepare(struct tegra_smmu *smmu, static int tegra_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) { - struct tegra_smmu *smmu = dev->archdata.iommu; + struct tegra_smmu *smmu = dev_iommu_priv_get(dev); struct tegra_smmu_as *as = to_smmu_as(domain); struct device_node *np = dev->of_node; struct of_phandle_args args; @@ -780,7 +780,7 @@ static struct iommu_device *tegra_smmu_probe_device(struct device *dev) * supported by the Linux kernel, so abort after the * first match. */ - dev->archdata.iommu = smmu; + dev_iommu_priv_set(dev, smmu); break; } @@ -797,7 +797,7 @@ static struct iommu_device *tegra_smmu_probe_device(struct device *dev) static void tegra_smmu_release_device(struct device *dev) { - dev->archdata.iommu = NULL; + dev_iommu_priv_set(dev, NULL); } static const struct tegra_smmu_group_soc * @@ -856,7 +856,7 @@ static struct iommu_group *tegra_smmu_group_get(struct tegra_smmu *smmu, static struct iommu_group *tegra_smmu_device_group(struct device *dev) { struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); - struct tegra_smmu *smmu = dev->archdata.iommu; + struct tegra_smmu *smmu = dev_iommu_priv_get(dev); struct iommu_group *group; group = tegra_smmu_group_get(smmu, fwspec->ids[0]);