powerpc/dart: remove dead cleanup code in iommu_init_early_dart (ee69049e) · Commits · 戴 / test

If dart_init failed we didn't have a chance to setup dma or controller ops yet, so there is no point in resetting them. Signed-off-by:

arch/powerpc/sysdev/dart_iommu.c

+1 −10

Original line number	Diff line number	Diff line
		@@ -428,7 +428,7 @@ void __init iommu_init_early_dart(struct pci_controller_ops *controller_ops)

		/* Initialize the DART HW */
		if (dart_init(dn) != 0)
		goto bail;
		return;

		/* Setup bypass if supported */
		if (dart_is_u4)
		@@ -439,15 +439,6 @@ void __init iommu_init_early_dart(struct pci_controller_ops *controller_ops)

		/* Setup pci_dma ops */
		set_pci_dma_ops(&dma_iommu_ops);
		return;

		bail:
		/* If init failed, use direct iommu and null setup functions */
		controller_ops->dma_dev_setup = NULL;
		controller_ops->dma_bus_setup = NULL;

		/* Setup pci_dma ops */
		set_pci_dma_ops(&dma_nommu_ops);
		}

		#ifdef CONFIG_PM