powerpc: dart_iommu: Remove check for controller_ops == NULL case

Now that we have ported the calls to iommu_init_early_dart to always
supply a pci_controller_ops struct, we can safely drop the check.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 5 insertions, 8 deletions

diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 87b80009bc9f..d00a5663e312 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -395,20 +395,17 @@ void __init iommu_init_early_dart(struct pci_controller_ops *controller_ops)
         if (dart_is_u4)
                 ppc_md.dma_set_mask = dart_dma_set_mask;
 
-        if (controller_ops) {
-                controller_ops->dma_dev_setup = pci_dma_dev_setup_dart;
-                controller_ops->dma_bus_setup = pci_dma_bus_setup_dart;
-        }
+        controller_ops->dma_dev_setup = pci_dma_dev_setup_dart;
+        controller_ops->dma_bus_setup = pci_dma_bus_setup_dart;
+
         /* Setup pci_dma ops */
         set_pci_dma_ops(&dma_iommu_ops);
         return;
 
  bail:
         /* If init failed, use direct iommu and null setup functions */
-        if (controller_ops) {
-                controller_ops->dma_dev_setup = NULL;
-                controller_ops->dma_bus_setup = NULL;
-        }
+        controller_ops->dma_dev_setup = NULL;
+        controller_ops->dma_bus_setup = NULL;
 
         /* Setup pci_dma ops */
         set_pci_dma_ops(&dma_direct_ops);