diff options
Diffstat (limited to 'src/device')
| -rw-r--r-- | src/device/device_util.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/device/device_util.c b/src/device/device_util.c index edf053d0dd40..260c9b43eedc 100644 --- a/src/device/device_util.c +++ b/src/device/device_util.c @@ -249,6 +249,19 @@ const char *dev_name(const struct device *dev) return "unknown"; } +/* Returns the PCI domain for the given PCI device */ +struct device *dev_get_pci_domain(struct device *dev) +{ + /* Walk up the tree up to the PCI domain */ + while (dev && dev->bus && !is_root_device(dev)) { + dev = dev->bus->dev; + if (dev->path.type == DEVICE_PATH_DOMAIN) + return dev; + } + + return NULL; +} + /** * Allocate 64 more resources to the free list. * |