* 2 of the License, or (at your option) any later version.
*/
-struct device_node;
-struct pci_controller;
-
-/* Get the PCI host controller for an OF device */
-extern struct pci_controller*
-pci_find_hose_for_OF_device(struct device_node* node);
-
/*
* Structure of a PCI controller (host bridge)
*/
struct pci_controller {
- char what[8]; /* Eye catcher */
struct pci_bus *bus;
char is_dynamic;
void *arch_data;
*/
struct resource io_resource;
struct resource mem_resources[3];
- int mem_resource_count;
int global_number;
int local_number;
unsigned long buid;
unsigned long dma_window_size;
};
-/*
- * pci_device_loc returns the bus number and device/function number
- * for a device on a PCI bus, given its device_node struct.
- * It returns 0 if OK, -1 on error.
- */
-extern int pci_device_loc(struct device_node *dev, unsigned char *bus_ptr,
- unsigned char *devfn_ptr);
-
struct device_node *fetch_dev_dn(struct pci_dev *dev);
/* Get a device_node from a pci_dev. This code must be fast except in the case
*/
static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev)
{
- struct device_node *dn = (struct device_node *)(dev->sysdata);
- if (dn->devfn == dev->devfn && dn->busno == (dev->bus->number&0xff))
+ struct device_node *dn = dev->sysdata;
+
+ if (dn->devfn == dev->devfn && dn->busno == dev->bus->number)
return dn; /* fast path. sysdata is good */
else
return fetch_dev_dn(dev);
}
+static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
+{
+ if (bus->self)
+ return pci_device_to_OF_node(bus->self);
+ else
+ return bus->sysdata; /* Must be root bus (PHB) */
+}
+
extern void pci_process_bridge_OF_ranges(struct pci_controller *hose,
struct device_node *dev);
return busdn->phb;
}
-
#endif
#endif /* __KERNEL__ */