On Fri, Oct 02, 2020 at 06:02:18PM +0300, Dmitry Osipenko wrote:
> 02.10.2020 09:08, Nicolin Chen пишет:
> > static int tegra_smmu_of_xlate(struct device *dev,
> > struct of_phandle_args *args)
> > {
> > + struct platform_device *iommu_pdev = of_find_device_by_node(args->np);
> > + struct tegra_mc *mc = platform_get_drvdata(iommu_pdev);
> > u32 id = args->args[0];
> >
> > + of_node_put(args->np);
>
> of_find_device_by_node() takes device reference and not the np
> reference. This is a bug, please remove of_node_put().
Looks like so. Replacing it with put_device(&iommu_pdev->dev);
Thanks
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