diff options
Diffstat (limited to 'src/device/device.c')
| -rw-r--r-- | src/device/device.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/src/device/device.c b/src/device/device.c index 35bb6e2cf2..a8900a69c6 100644 --- a/src/device/device.c +++ b/src/device/device.c @@ -916,15 +916,15 @@ int reset_bus(struct bus *bus) * @param max Current bus number. * @return The maximum bus number found, after scanning all subordinate buses. */ -unsigned int scan_bus(struct device *busdev, unsigned int max) +static unsigned int scan_bus(struct device *busdev, unsigned int max) { unsigned int new_max; int do_scan_bus; - if (!busdev || !busdev->enabled || !busdev->ops || - !busdev->ops->scan_bus) { + if (!busdev->enabled) return max; - } + + printk(BIOS_SPEW, "%s scanning...\n", dev_path(busdev)); post_log_path(busdev); @@ -945,6 +945,19 @@ unsigned int scan_bus(struct device *busdev, unsigned int max) return new_max; } +void scan_bridges(struct bus *bus) +{ + struct device *child; + unsigned int max = bus->secondary; + + for (child = bus->children; child; child = child->sibling) { + if (!child->ops || !child->ops->scan_bus) + continue; + max = scan_bus(child, max); + } + bus->subordinate = max; +} + /** * Determine the existence of devices and extend the device tree. * |