writeback: pay attention to wbc->nr_to_write in write_cache_pages

[safe/jmp/linux-2.6] / include / asm-generic / pci.h

diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h
index 9d4cc47..26373cf 100644 (file)
--- a/include/asm-generic/pci.h
+++ b/include/asm-generic/pci.h
@@ -22,7 +22,26 @@ pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
        region->end = res->end;
 }
 
-#define pcibios_scan_all_fns(a, b)     0
+static inline void
+pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+                       struct pci_bus_region *region)
+{
+       res->start = region->start;
+       res->end = region->end;
+}
+
+static inline struct resource *
+pcibios_select_root(struct pci_dev *pdev, struct resource *res)
+{
+       struct resource *root = NULL;
+
+       if (res->flags & IORESOURCE_IO)
+               root = &ioport_resource;
+       if (res->flags & IORESOURCE_MEM)
+               root = &iomem_resource;
+
+       return root;
+}
 
 #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
@@ -31,4 +50,12 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 }
 #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
 
+/*
+ * By default, assume that no iommu is in use and that the PCI
+ * space is mapped to address physical 0.
+ */
+#ifndef PCI_DMA_BUS_IS_PHYS
+#define PCI_DMA_BUS_IS_PHYS    (1)
 #endif
+
+#endif /* _ASM_GENERIC_PCI_H */