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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>
This commit is contained in:
Daniel Axtens 2015-03-31 16:00:57 +11:00 committed by Michael Ellerman
parent 467efc2e4f
commit 771e569e82
1 changed files with 5 additions and 8 deletions
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13
arch/powerpc/sysdev/dart_iommu.c
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@ -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);