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-rw-r--r--arch/mips/pci/pci.c17
-rw-r--r--include/asm-mips/pci.h2
2 files changed, 19 insertions, 0 deletions
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 8a5b52250bda..a8d499b0a36f 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -292,8 +292,25 @@ pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
region->end = res->end - offset;
}
+void __devinit
+pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+ struct pci_bus_region *region)
+{
+ struct pci_controller *hose = (struct pci_controller *)dev->sysdata;
+ unsigned long offset = 0;
+
+ if (res->flags & IORESOURCE_IO)
+ offset = hose->io_offset;
+ else if (res->flags & IORESOURCE_MEM)
+ offset = hose->mem_offset;
+
+ res->start = region->start + offset;
+ res->end = region->end + offset;
+}
+
#ifdef CONFIG_HOTPLUG
EXPORT_SYMBOL(pcibios_resource_to_bus);
+EXPORT_SYMBOL(pcibios_bus_to_resource);
EXPORT_SYMBOL(PCIBIOS_MIN_IO);
EXPORT_SYMBOL(PCIBIOS_MIN_MEM);
#endif
diff --git a/include/asm-mips/pci.h b/include/asm-mips/pci.h
index 049f01f648ed..c9a00ca1c012 100644
--- a/include/asm-mips/pci.h
+++ b/include/asm-mips/pci.h
@@ -142,6 +142,8 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
extern void pcibios_resource_to_bus(struct pci_dev *dev,
struct pci_bus_region *region, struct resource *res);
+extern void pcibios_bus_to_resource(struct pci_dev *dev,
+ struct resource *res, struct pci_bus_region *region);
#ifdef CONFIG_PCI_DOMAINS