diff options
Diffstat (limited to 'drivers/pci/pci_internal.h')
| -rw-r--r-- | drivers/pci/pci_internal.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pci/pci_internal.h b/drivers/pci/pci_internal.h index 0867575..616b9c1 100644 --- a/drivers/pci/pci_internal.h +++ b/drivers/pci/pci_internal.h @@ -47,4 +47,16 @@ void dm_pciauto_postscan_setup_bridge(struct udevice *dev, int sub_bus); */ int dm_pciauto_config_device(struct udevice *dev); +/** + * pci_get_bus() - Get a pointer to a bus, given its number + * + * This looks up a PCI bus based on its bus number. The bus is probed if + * necessary. + * + * @busnum: PCI bus number to look up + * @busp: Returns PCI bus on success + * @return 0 on success, or -ve error + */ +int pci_get_bus(int busnum, struct udevice **busp); + #endif |