diff options
author | Daniel Axtens <dja@axtens.net> | 2015-03-31 05:00:43 (GMT) |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-04-11 10:49:11 (GMT) |
commit | b122c95494374ab848f8d9f41d98644c2c318ecc (patch) | |
tree | 071023b384a0f6aa413110c65f6f4ccb7246a203 /arch/powerpc/include | |
parent | e02def5bce12b472e9eb6dcdd9f7af72239e6330 (diff) | |
download | linux-b122c95494374ab848f8d9f41d98644c2c318ecc.tar.xz |
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>
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r-- | arch/powerpc/include/asm/pci-bridge.h | 11 |
1 files changed, 11 insertions, 0 deletions
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 device_node; */ struct pci_controller_ops { void (*dma_dev_setup)(struct pci_dev *dev); + void (*dma_bus_setup)(struct pci_bus *bus); }; /* @@ -281,5 +282,15 @@ static inline void pci_dma_dev_setup(struct pci_dev *dev) 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 */ |