pci.h: Document PCI_FILL_xxx flags

diff --git a/lib/pci.h b/lib/pci.h
index ae1333f2ac69c1794906f306d9bc6711dd2a821c..a5c7424bae6c015aa1637c6b4568643d6a07fb55 100644 (file)
--- a/lib/pci.h
+++ b/lib/pci.h
@@ -210,23 +210,23 @@ int pci_write_block(struct pci_dev *, int pos, u8 *buf, int len) PCI_ABI;
 int pci_fill_info(struct pci_dev *, int flags) PCI_ABI;
 char *pci_get_string_property(struct pci_dev *d, u32 prop) PCI_ABI;
 
-#define PCI_FILL_IDENT         0x0001
+#define PCI_FILL_IDENT         0x0001          /* vendor and device ID */
 #define PCI_FILL_IRQ           0x0002
 #define PCI_FILL_BASES         0x0004
 #define PCI_FILL_ROM_BASE      0x0008
 #define PCI_FILL_SIZES         0x0010
 #define PCI_FILL_CLASS         0x0020
-#define PCI_FILL_CAPS          0x0040
-#define PCI_FILL_EXT_CAPS      0x0080
-#define PCI_FILL_PHYS_SLOT     0x0100
-#define PCI_FILL_MODULE_ALIAS  0x0200
-#define PCI_FILL_LABEL         0x0400
+#define PCI_FILL_CAPS          0x0040          /* capabilities */
+#define PCI_FILL_EXT_CAPS      0x0080          /* extended capabilities */
+#define PCI_FILL_PHYS_SLOT     0x0100          /* physical slot (string property) */
+#define PCI_FILL_MODULE_ALIAS  0x0200          /* Linux kernel module alias (string property) */
+#define PCI_FILL_LABEL         0x0400          /* (string property) */
 #define PCI_FILL_NUMA_NODE     0x0800
 #define PCI_FILL_IO_FLAGS      0x1000
-#define PCI_FILL_DT_NODE       0x2000          /* Device tree node */
-#define PCI_FILL_IOMMU_GROUP   0x4000
+#define PCI_FILL_DT_NODE       0x2000          /* Device tree node (string property) */
+#define PCI_FILL_IOMMU_GROUP   0x4000          /* (string property) */
 #define PCI_FILL_BRIDGE_BASES  0x8000
-#define PCI_FILL_RESCAN                0x00010000
+#define PCI_FILL_RESCAN                0x00010000      /* force re-scan of cached properties */
 #define PCI_FILL_CLASS_EXT     0x00020000      /* prog_if and rev_id */
 #define PCI_FILL_SUBSYS                0x00040000      /* subsys_vendor_id and subsys_id */
 #define PCI_FILL_PARENT                0x00080000