From b31e79f8d92ca115a935e37cfd4da74048739689 Mon Sep 17 00:00:00 2001 From: Daniel Axtens Date: Tue, 31 Mar 2015 16:00:45 +1100 Subject: powerpc: Create pci_controller_ops.enable_device_hook and shim Add pci_controller_ops.enable_device_hook, shadowing ppc_md.pcibios_enable_device_hook. Add a shim, and changes the callsites to use the shim. Signed-off-by: Daniel Axtens Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/pci-bridge.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch/powerpc/include/asm/pci-bridge.h') diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 278f48978bad..9d02ea6255ff 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -27,6 +27,10 @@ struct pci_controller_ops { void (*dma_bus_setup)(struct pci_bus *bus); int (*probe_mode)(struct pci_bus *); + + /* Called when pci_enable_device() is called. Returns true to + * allow assignment/enabling of the device. */ + bool (*enable_device_hook)(struct pci_dev *); }; /* @@ -310,5 +314,16 @@ static inline int pci_probe_mode(struct pci_bus *bus) return PCI_PROBE_NORMAL; } +static inline bool pcibios_enable_device_hook(struct pci_dev *dev) +{ + struct pci_controller *phb = pci_bus_to_host(dev->bus); + + if (phb->controller_ops.enable_device_hook) + return phb->controller_ops.enable_device_hook(dev); + if (ppc_md.pcibios_enable_device_hook) + return ppc_md.pcibios_enable_device_hook(dev); + return true; +} + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PCI_BRIDGE_H */ -- cgit