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pciauto setup bridge

PATCH New Ed Swarthout 1 participant 1 message Mar 7, 2007

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PATCH 1/1 pciauto setup bridge

The P2P bridge bus numbers programmed into the device are relative to hose->first_busno.

---

This patch is associated with Kumar's commit dffb70f3 to pci_indirect.c

 drivers/pci_auto.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)
drivers/pci_auto.c +6 -3
index 9691675..ba97e5c 100644
@@ -160,8 +160,10 @@ static void pciauto_prescan_setup_bridge(struct pci_controller *hose,
 	pci_hose_read_config_dword(hose, dev, PCI_COMMAND, &cmdstat);
 
 	/* Configure bus number registers */
-	pci_hose_write_config_byte(hose, dev, PCI_PRIMARY_BUS, PCI_BUS(dev));
-	pci_hose_write_config_byte(hose, dev, PCI_SECONDARY_BUS, sub_bus);
+	pci_hose_write_config_byte(hose, dev, PCI_PRIMARY_BUS,
+				   PCI_BUS(dev) - hose->first_busno);
+	pci_hose_write_config_byte(hose, dev, PCI_SECONDARY_BUS,
+				   sub_bus - hose->first_busno);
 	pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS, 0xff);
 
 	if (pci_mem) {
@@ -214,7 +216,8 @@ static void pciauto_postscan_setup_bridge(struct pci_controller *hose,
 	struct pci_region *pci_io = hose->pci_io;
 
 	/* Configure bus number registers */
-	pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS, sub_bus);
+	pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS,
+				   sub_bus - hose->first_busno);
 
 	if (pci_mem) {
 		/* Round memory allocator to 1MB boundary */
Signature · 1 line
1.5.0.2.279.g4808