On Wed, Sep 30, 2020 at 08:20:50AM +0300, Dmitry Osipenko wrote: > 30.09.2020 08:10, Dmitry Osipenko пишет: > > 30.09.2020 03:30, Nicolin Chen пишет: > >> static void tegra_smmu_release_device(struct device *dev) > > > > The tegra_get_memory_controller() uses of_find_device_by_node(), hence > > tegra_smmu_release_device() should put_device(mc) in order to balance > > back the refcounting. > > > > Actually, the put_device(mc) should be right after > tegra_get_memory_controller() in tegra_smmu_probe_device() because SMMU > is a part of MC, hence MC can't just go away.
Hmm..I found that there is no put_device() call in tegra20-devfreq. Should we just put_device(pdev->dev) in tegra_get_memory_controller? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
