From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.0 required=3.0 tests=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 571A6C433E0 for ; Thu, 25 Jun 2020 13:08:52 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 3326520724 for ; Thu, 25 Jun 2020 13:08:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3326520724 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 118E623244; Thu, 25 Jun 2020 13:08:52 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YI6apfWogwX0; Thu, 25 Jun 2020 13:08:49 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 200A82313B; Thu, 25 Jun 2020 13:08:49 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 0DB28C016F; Thu, 25 Jun 2020 13:08:49 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 344C6C088E for ; Thu, 25 Jun 2020 13:08:45 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 22FFB854D7 for ; Thu, 25 Jun 2020 13:08:45 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id l2hwYtpv8AFQ for ; Thu, 25 Jun 2020 13:08:42 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 6799E854A7 for ; Thu, 25 Jun 2020 13:08:42 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id 1D4FB391; Thu, 25 Jun 2020 15:08:38 +0200 (CEST) From: Joerg Roedel To: iommu@lists.linux-foundation.org Subject: [PATCH 01/13] iommu/exynos: Use dev_iommu_priv_get/set() Date: Thu, 25 Jun 2020 15:08:24 +0200 Message-Id: <20200625130836.1916-2-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> Cc: linux-ia64@vger.kernel.org, Heiko Stuebner , David Airlie , Benjamin Herrenschmidt , Joonas Lahtinen , Thierry Reding , Paul Mackerras , Will Deacon , Michael Ellerman , x86@kernel.org, Russell King , Catalin Marinas , Fenghua Yu , Joerg Roedel , intel-gfx@lists.freedesktop.org, Jani Nikula , Rodrigo Vivi , Matthias Brugger , linux-arm-kernel@lists.infradead.org, Tony Luck , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Daniel Vetter , David Woodhouse X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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/exynos-iommu.c | 20 +++++++++---------- .../media/platform/s5p-mfc/s5p_mfc_iommu.h | 4 +++- 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 60c8a56e4a3f..6a9b67302369 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -173,7 +173,7 @@ static u32 lv2ent_offset(sysmmu_iova_t iova) #define REG_V5_FAULT_AR_VA 0x070 #define REG_V5_FAULT_AW_VA 0x080 -#define has_sysmmu(dev) (dev->archdata.iommu != NULL) +#define has_sysmmu(dev) (dev_iommu_priv_get(dev) != NULL) static struct device *dma_dev; static struct kmem_cache *lv2table_kmem_cache; @@ -226,7 +226,7 @@ static const struct sysmmu_fault_info sysmmu_v5_faults[] = { }; /* - * This structure is attached to dev.archdata.iommu of the master device + * This structure is attached to dev->iommu->priv of the master device * on device add, contains a list of SYSMMU controllers defined by device tree, * which are bound to given master device. It is usually referenced by 'owner' * pointer. @@ -670,7 +670,7 @@ static int __maybe_unused exynos_sysmmu_suspend(struct device *dev) struct device *master = data->master; if (master) { - struct exynos_iommu_owner *owner = master->archdata.iommu; + struct exynos_iommu_owner *owner = dev_iommu_priv_get(master); mutex_lock(&owner->rpm_lock); if (data->domain) { @@ -688,7 +688,7 @@ static int __maybe_unused exynos_sysmmu_resume(struct device *dev) struct device *master = data->master; if (master) { - struct exynos_iommu_owner *owner = master->archdata.iommu; + struct exynos_iommu_owner *owner = dev_iommu_priv_get(master); mutex_lock(&owner->rpm_lock); if (data->domain) { @@ -837,8 +837,8 @@ static void exynos_iommu_domain_free(struct iommu_domain *iommu_domain) static void exynos_iommu_detach_device(struct iommu_domain *iommu_domain, struct device *dev) { - struct exynos_iommu_owner *owner = dev->archdata.iommu; struct exynos_iommu_domain *domain = to_exynos_domain(iommu_domain); + struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev); phys_addr_t pagetable = virt_to_phys(domain->pgtable); struct sysmmu_drvdata *data, *next; unsigned long flags; @@ -875,8 +875,8 @@ static void exynos_iommu_detach_device(struct iommu_domain *iommu_domain, static int exynos_iommu_attach_device(struct iommu_domain *iommu_domain, struct device *dev) { - struct exynos_iommu_owner *owner = dev->archdata.iommu; struct exynos_iommu_domain *domain = to_exynos_domain(iommu_domain); + struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev); struct sysmmu_drvdata *data; phys_addr_t pagetable = virt_to_phys(domain->pgtable); unsigned long flags; @@ -1237,7 +1237,7 @@ static phys_addr_t exynos_iommu_iova_to_phys(struct iommu_domain *iommu_domain, static struct iommu_device *exynos_iommu_probe_device(struct device *dev) { - struct exynos_iommu_owner *owner = dev->archdata.iommu; + struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev); struct sysmmu_drvdata *data; if (!has_sysmmu(dev)) @@ -1263,7 +1263,7 @@ static struct iommu_device *exynos_iommu_probe_device(struct device *dev) static void exynos_iommu_release_device(struct device *dev) { - struct exynos_iommu_owner *owner = dev->archdata.iommu; + struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev); struct sysmmu_drvdata *data; if (!has_sysmmu(dev)) @@ -1287,8 +1287,8 @@ static void exynos_iommu_release_device(struct device *dev) static int exynos_iommu_of_xlate(struct device *dev, struct of_phandle_args *spec) { - struct exynos_iommu_owner *owner = dev->archdata.iommu; struct platform_device *sysmmu = of_find_device_by_node(spec->np); + struct exynos_iommu_owner *owner = dev_iommu_priv_get(dev); struct sysmmu_drvdata *data, *entry; if (!sysmmu) @@ -1305,7 +1305,7 @@ static int exynos_iommu_of_xlate(struct device *dev, INIT_LIST_HEAD(&owner->controllers); mutex_init(&owner->rpm_lock); - dev->archdata.iommu = owner; + dev_iommu_priv_set(dev, owner); } list_for_each_entry(entry, &owner->controllers, owner_node) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_iommu.h b/drivers/media/platform/s5p-mfc/s5p_mfc_iommu.h index 152a713fff78..1a32266b7ddc 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_iommu.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_iommu.h @@ -9,9 +9,11 @@ #if defined(CONFIG_EXYNOS_IOMMU) +#include + static inline bool exynos_is_iommu_available(struct device *dev) { - return dev->archdata.iommu != NULL; + return dev_iommu_priv_get(dev) != NULL; } #else -- 2.27.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu