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Wed, 8 Dec 2021 23:38:26 -0800 From: Nicolin Chen To: , , CC: , , , , , Subject: [PATCH v8 4/6] iommu/tegra-smmu: Use swgrp pointer instead of swgroup id Date: Wed, 8 Dec 2021 23:38:20 -0800 Message-ID: <20211209073822.26728-5-nicolinc@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211209073822.26728-1-nicolinc@nvidia.com> References: <20211209073822.26728-1-nicolinc@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 1682f348-8c12-4e8a-9a71-08d9bae6e79b X-MS-TrafficTypeDiagnostic: BY5PR12MB3683:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3631; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:203.18.50.12;CTRY:HK;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:hkhybrid01.nvidia.com;CAT:NONE;SFS:(4636009)(46966006)(36840700001)(40470700001)(2616005)(40460700001)(186003)(336012)(426003)(70206006)(70586007)(26005)(34070700002)(83380400001)(82310400004)(36756003)(508600001)(2906002)(356005)(5660300002)(1076003)(7636003)(6666004)(47076005)(8676002)(8936002)(54906003)(86362001)(7696005)(110136005)(316002)(4326008)(36860700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2021 07:38:33.5771 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1682f348-8c12-4e8a-9a71-08d9bae6e79b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[203.18.50.12];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT056.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB3683 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org This patch changes in struct tegra_smmu_group to use swgrp pointer instead of swgroup, as a preparational change for the "mappings" debugfs feature. Acked-by: Thierry Reding Signed-off-by: Nicolin Chen --- drivers/iommu/tegra-smmu.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 05a386036fce..532c843eb631 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -24,8 +24,8 @@ struct tegra_smmu_group { struct list_head list; struct tegra_smmu *smmu; const struct tegra_smmu_group_soc *soc; + const struct tegra_smmu_swgroup *swgrp; struct iommu_group *grp; - unsigned int swgroup; }; struct tegra_smmu { @@ -899,18 +899,22 @@ 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_iommu_priv_get(dev); const struct tegra_smmu_group_soc *soc; + const struct tegra_smmu_swgroup *swgrp; unsigned int swgroup = fwspec->ids[0]; struct tegra_smmu_group *group; struct iommu_group *grp; + /* Find swgrp according to the swgroup id */ + swgrp = tegra_smmu_find_swgrp(smmu, swgroup); + /* Find group_soc associating with swgroup */ soc = tegra_smmu_find_group_soc(smmu, swgroup); mutex_lock(&smmu->lock); - /* Find existing iommu_group associating with swgroup or group_soc */ + /* Find existing iommu_group associating with swgrp or group_soc */ list_for_each_entry(group, &smmu->groups, list) - if ((group->swgroup == swgroup) || (soc && group->soc == soc)) { + if ((swgrp && group->swgrp == swgrp) || (soc && group->soc == soc)) { grp = iommu_group_ref_get(group->grp); mutex_unlock(&smmu->lock); return grp; @@ -923,7 +927,7 @@ static struct iommu_group *tegra_smmu_device_group(struct device *dev) } INIT_LIST_HEAD(&group->list); - group->swgroup = swgroup; + group->swgrp = swgrp; group->smmu = smmu; group->soc = soc; -- 2.17.1 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 Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4E4C5C433EF for ; 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Wed, 8 Dec 2021 23:38:26 -0800 To: , , Subject: [PATCH v8 4/6] iommu/tegra-smmu: Use swgrp pointer instead of swgroup id Date: Wed, 8 Dec 2021 23:38:20 -0800 Message-ID: <20211209073822.26728-5-nicolinc@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211209073822.26728-1-nicolinc@nvidia.com> References: <20211209073822.26728-1-nicolinc@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 1682f348-8c12-4e8a-9a71-08d9bae6e79b X-MS-TrafficTypeDiagnostic: BY5PR12MB3683:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3631; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:203.18.50.12; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" This patch changes in struct tegra_smmu_group to use swgrp pointer instead of swgroup, as a preparational change for the "mappings" debugfs feature. Acked-by: Thierry Reding Signed-off-by: Nicolin Chen --- drivers/iommu/tegra-smmu.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 05a386036fce..532c843eb631 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -24,8 +24,8 @@ struct tegra_smmu_group { struct list_head list; struct tegra_smmu *smmu; const struct tegra_smmu_group_soc *soc; + const struct tegra_smmu_swgroup *swgrp; struct iommu_group *grp; - unsigned int swgroup; }; struct tegra_smmu { @@ -899,18 +899,22 @@ 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_iommu_priv_get(dev); const struct tegra_smmu_group_soc *soc; + const struct tegra_smmu_swgroup *swgrp; unsigned int swgroup = fwspec->ids[0]; struct tegra_smmu_group *group; struct iommu_group *grp; + /* Find swgrp according to the swgroup id */ + swgrp = tegra_smmu_find_swgrp(smmu, swgroup); + /* Find group_soc associating with swgroup */ soc = tegra_smmu_find_group_soc(smmu, swgroup); mutex_lock(&smmu->lock); - /* Find existing iommu_group associating with swgroup or group_soc */ + /* Find existing iommu_group associating with swgrp or group_soc */ list_for_each_entry(group, &smmu->groups, list) - if ((group->swgroup == swgroup) || (soc && group->soc == soc)) { + if ((swgrp && group->swgrp == swgrp) || (soc && group->soc == soc)) { grp = iommu_group_ref_get(group->grp); mutex_unlock(&smmu->lock); return grp; @@ -923,7 +927,7 @@ static struct iommu_group *tegra_smmu_device_group(struct device *dev) } INIT_LIST_HEAD(&group->list); - group->swgroup = swgroup; + group->swgrp = swgrp; group->smmu = smmu; group->soc = soc; -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu