Otherwise the drivers for a device may probe before the devices parent bridge is fully configured, which leads to errors when accessing the BARs. Signed-off-by: Lucas Stach <dev@xxxxxxxxxx> --- drivers/pci/pci.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 59f942d..943d0e8 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -208,7 +208,6 @@ static void setup_device(struct pci_dev *dev, int max_bar) pci_write_config_byte(dev, PCI_COMMAND, cmd); list_add_tail(&dev->bus_list, &dev->bus->devices); - pci_register_device(dev); } static void prescan_setup_bridge(struct pci_dev *dev) @@ -362,6 +361,11 @@ unsigned int pci_scan_bus(struct pci_bus *bus) prescan_setup_bridge(dev); pci_scan_bus(child_bus); postscan_setup_bridge(dev); + /* first activate bridge then all devices on it's bus */ + pci_register_device(dev); + list_for_each_entry(dev, &child_bus->devices, bus_list) + if (!dev->subordinate) + pci_register_device(dev); break; default: bad: -- 1.9.3 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
