linux-kernel - RE: [PATCH] iommu/arm: Cleanup resources in case of probe error path

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Date:   Thu, 1 Jul 2021 00:13:04 +0000
From:   Krishna Reddy <vdumpa@...dia.com>
To:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Will Deacon <will@...nel.org>
CC:     Amey Narkhede <ameynarkhede03@...il.com>,
        Rob Clark <robdclark@...il.com>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Barry Song <song.bao.hua@...ilicon.com>,
        Zenghui Yu <yuzenghui@...wei.com>
Subject: RE: [PATCH] iommu/arm: Cleanup resources in case of probe error path

> +
> +err_pm_disable:
> +       pm_runtime_disable(dev);
>          return ret;
>   }

Should it be pm_runtime_force_suspend()?  qcom_iommu_device_remove() doesn't use pm_runtime_disable(dev).

875 static int qcom_iommu_device_remove(struct platform_device *pdev)
876 {
...
881 >-------pm_runtime_force_suspend(&pdev->dev);
882 >-------platform_set_drvdata(pdev, NULL);
883 >-------iommu_device_sysfs_remove(&qcom_iommu->iommu);
884 >-------iommu_device_unregister(&qcom_iommu->iommu);
...
887 }

-KR