powerpc: Create pci_controller_ops.dma_bus_setup and shim
Add pci_controller_ops.dma_bus_setup, shadowing ppc_md.pci_dma_bus_setup.
Add a shim, and changes the callsites to use the shim.
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 0f441b8..b9732fc 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -19,6 +19,7 @@
*/
struct pci_controller_ops {
void (*dma_dev_setup)(struct pci_dev *dev);
+ void (*dma_bus_setup)(struct pci_bus *bus);
};
/*
@@ -281,5 +282,15 @@
ppc_md.pci_dma_dev_setup(dev);
}
+static inline void pci_dma_bus_setup(struct pci_bus *bus)
+{
+ struct pci_controller *phb = pci_bus_to_host(bus);
+
+ if (phb->controller_ops.dma_bus_setup)
+ phb->controller_ops.dma_bus_setup(bus);
+ else if (ppc_md.pci_dma_bus_setup)
+ ppc_md.pci_dma_bus_setup(bus);
+}
+
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PCI_BRIDGE_H */