PCI_HEADER_TYPE register (offset 0x0e) bit 7 is an indicator for multi-function devices. We should mask it off before using it as the header type.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
drivers/pci/pci_auto.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c index 41d5447..79f27c7 100644 --- a/drivers/pci/pci_auto.c +++ b/drivers/pci/pci_auto.c @@ -185,6 +185,7 @@ void pciauto_setup_device(struct pci_controller *hose, #ifndef CONFIG_PCI_ENUM_ONLY /* Configure the expansion ROM address */ pci_hose_read_config_byte(hose, dev, PCI_HEADER_TYPE, &header_type); + header_type &= 0x7f; if (header_type != PCI_HEADER_TYPE_CARDBUS) { rom_addr = (header_type == PCI_HEADER_TYPE_NORMAL) ? PCI_ROM_ADDRESS : PCI_ROM_ADDRESS1;