powerpc: Create pci_controller_ops.dma_dev_setup and shim

Introduces the pci_controller_ops structure.
Add pci_controller_ops.dma_dev_setup, shadowing ppc_md.pci_dma_dev_setup.
Add a shim, and change the callsites to use the shim.

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

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 17827c7345a7..7e3757e403d4 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -969,8 +969,7 @@ static void pcibios_setup_device(struct pci_dev *dev)
         set_dma_offset(&dev->dev, PCI_DRAM_OFFSET);
 
         /* Additional platform DMA/iommu setup */
-        if (ppc_md.pci_dma_dev_setup)
-                ppc_md.pci_dma_dev_setup(dev);
+        pci_dma_dev_setup(dev);
 
         /* Read default IRQs and fixup if necessary */
         pci_read_irq_line(dev);