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Tue, 13 Sep 2022 01:24:54 -0700 From: Nicolin Chen To: , , , , , , , , , , , , , , , , , , Subject: [PATCH 1/5] iommu/msm: Add missing __disable_clocks calls Date: Tue, 13 Sep 2022 01:24:44 -0700 Message-ID: <20220913082448.31120-2-nicolinc@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220913082448.31120-1-nicolinc@nvidia.com> References: <20220913082448.31120-1-nicolinc@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT032:EE_|DS0PR12MB6463:EE_ X-MS-Office365-Filtering-Correlation-Id: 2aab0ddb-ed9f-4596-e82e-08da9561716a 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:12.22.5.236;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230022)(4636009)(39860400002)(376002)(346002)(396003)(136003)(451199015)(46966006)(40470700004)(36840700001)(186003)(83380400001)(86362001)(82740400003)(82310400005)(40460700003)(2616005)(8936002)(1076003)(7416002)(316002)(336012)(8676002)(40480700001)(36756003)(81166007)(356005)(4326008)(26005)(110136005)(41300700001)(7696005)(36860700001)(7406005)(921005)(2906002)(54906003)(6666004)(47076005)(426003)(70206006)(478600001)(70586007)(5660300002)(2101003)(36900700001)(83996005);DIR:OUT;SFP:1101; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, yangyingliang@huawei.com, jon@solid-run.com, iommu@lists.linux.dev, shameerali.kolothum.thodi@huawei.com, jonathanh@nvidia.com, linux-rockchip@lists.infradead.org, christophe.jaillet@wanadoo.fr, linux-arm-kernel@lists.infradead.org, thunder.leizhen@huawei.com, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org, tglx@linutronix.de, virtualization@lists.linux-foundation.org, yong.wu@mediatek.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The clock is not symmetrically disabled in the error-out routines. Fixes: 109bd48ea2e1 ("iommu/msm: Add DT adaptation") Cc: stable@vger.kernel.org Cc: Sricharan R Cc: Andy Gross Cc: Bjorn Andersson Cc: Konrad Dybcio Signed-off-by: Nicolin Chen --- drivers/iommu/msm_iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c index 6a24aa804ea3..a7d41ba4a47b 100644 --- a/drivers/iommu/msm_iommu.c +++ b/drivers/iommu/msm_iommu.c @@ -418,6 +418,7 @@ static int msm_iommu_attach_dev(struct iommu_domain *domain, struct device *dev) list_for_each_entry(master, &iommu->ctx_list, list) { if (master->num) { dev_err(dev, "domain already attached"); + __disable_clocks(iommu); ret = -EEXIST; goto fail; } @@ -425,6 +426,7 @@ static int msm_iommu_attach_dev(struct iommu_domain *domain, struct device *dev) msm_iommu_alloc_ctx(iommu->context_map, 0, iommu->ncb); if (IS_ERR_VALUE(master->num)) { + __disable_clocks(iommu); ret = -ENODEV; goto fail; }