PCI: define PCI resource names in an 'enum'

[karo-tx-linux.git] / include / linux / pci.h

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 0d8bc920c2e57b61236ea21eb45e0bf5cb6195d0..da1c22bab40edf562c8f6560f99248f489c1e4c5 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -82,7 +82,30 @@ enum pci_mmap_state {
 #define PCI_DMA_FROMDEVICE     2
 #define PCI_DMA_NONE           3
 
-#define DEVICE_COUNT_RESOURCE  12
+/*
+ *  For PCI devices, the region numbers are assigned this way:
+ */
+enum {
+       /* #0-5: standard PCI resources */
+       PCI_STD_RESOURCES,
+       PCI_STD_RESOURCE_END = 5,
+
+       /* #6: expansion ROM resource */
+       PCI_ROM_RESOURCE,
+
+       /* resources assigned to buses behind the bridge */
+#define PCI_BRIDGE_RESOURCE_NUM 4
+
+       PCI_BRIDGE_RESOURCES,
+       PCI_BRIDGE_RESOURCE_END = PCI_BRIDGE_RESOURCES +
+                                 PCI_BRIDGE_RESOURCE_NUM - 1,
+
+       /* total resources associated with a PCI device */
+       PCI_NUM_RESOURCES,
+
+       /* preserve this for compatibility */
+       DEVICE_COUNT_RESOURCE
+};
 
 typedef int __bitwise pci_power_t;
 
@@ -274,18 +297,6 @@ static inline void pci_add_saved_cap(struct pci_dev *pci_dev,
        hlist_add_head(&new_cap->next, &pci_dev->saved_cap_space);
 }
 
-/*
- *  For PCI devices, the region numbers are assigned this way:
- *
- *     0-5     standard PCI regions
- *     6       expansion ROM
- *     7-10    bridges: address space assigned to buses behind the bridge
- */
-
-#define PCI_ROM_RESOURCE       6
-#define PCI_BRIDGE_RESOURCES   7
-#define PCI_NUM_RESOURCES      11
-
 #ifndef PCI_BUS_NUM_RESOURCES
 #define PCI_BUS_NUM_RESOURCES  16
 #endif
@@ -648,7 +659,7 @@ int pcie_get_readrq(struct pci_dev *dev);
 int pcie_set_readrq(struct pci_dev *dev, int rq);
 int pci_reset_function(struct pci_dev *dev);
 int pci_execute_reset_function(struct pci_dev *dev);
-void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno);
+void pci_update_resource(struct pci_dev *dev, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);