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-rw-r--r--include/linux/pci.h37
1 files changed, 24 insertions, 13 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c5e02f3..da1c22b 100644
--- 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
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