B_PCI_DEVICE_BUS
{B_PCI_DEVICE_BUS, B_UINT8_TYPE, {.ui8 = bus}},
{B_PCI_DEVICE_BUS, B_UINT8_TYPE, {.ui8 = bus}},
|| gDeviceManager->get_attr_uint8(node, B_PCI_DEVICE_BUS, &bus,
{B_PCI_DEVICE_BUS, B_UINT8_TYPE, {.ui8 = dev->bus}},