pci: add support for board_pci_fixup_dev function

Some board-level drivers may wish to have per-device fixup functions
for PCI devices.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

drivers/pci/pci.c

@@ -648,6 +648,10 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus)
 		pci_hose_read_config_word(hose, dev, PCI_DEVICE_ID, &device);
 		pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class);
 
+#ifdef CONFIG_PCI_FIXUP_DEV
+		board_pci_fixup_dev(hose, dev, vendor, device, class);
+#endif
+
 #ifdef CONFIG_PCI_SCAN_SHOW
 		indent++;
 

include/pci.h

@@ -659,6 +659,13 @@ extern int pci_hose_find_cap_start(struct pci_controller *hose, pci_dev_t dev,
 extern int pci_find_cap(struct pci_controller *hose, pci_dev_t dev, int pos,
 			int cap);
 
+#ifdef CONFIG_PCI_FIXUP_DEV
+extern void board_pci_fixup_dev(struct pci_controller *hose, pci_dev_t dev,
+				unsigned short vendor,
+				unsigned short device,
+				unsigned short class);
+#endif
+
 const char * pci_class_str(u8 class);
 int pci_last_busno(void);