From: Ed Swarthout Ed.Swarthout@freescale.com
Ensure hose->current_busno is not less than first_busno. This fixes broken board code which leaves current_busno=0 when first_busno is greater than 0 for the cases with multiple controllers.
Signed-off-by: Ed Swarthout Ed.Swarthout@freescale.com --- drivers/pci.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/pci.c b/drivers/pci.c index 050582f..4158919 100644 --- a/drivers/pci.c +++ b/drivers/pci.c @@ -490,10 +490,16 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus)
int pci_hose_scan(struct pci_controller *hose) { + /* Start scan at current_busno. + * PCIe will start scan at first_busno+1. + */ + /* For legacy support, ensure current>=first */ + if (hose->first_busno > hose->current_busno) + hose->current_busno = hose->first_busno; #ifdef CONFIG_PCI_PNP pciauto_config_init(hose); #endif - return pci_hose_scan_bus(hose, hose->first_busno); + return pci_hose_scan_bus(hose, hose->current_busno); }
void pci_init(void)