diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/device/device.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/include/device/device.h b/src/include/device/device.h index 6bd6e0e551..8610e0a4c6 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -228,6 +228,17 @@ void set_cpu_topology(struct device *cpu, unsigned int node, void mp_init_cpus(DEVTREE_CONST struct bus *cpu_bus); static inline void mp_cpu_bus_init(struct device *dev) { + /* + * When no LAPIC device is specified in the devietree inside the CPU cluster device, + * neither a LAPIC device nor the link/bus between the CPU cluster and the LAPIC device + * will be present in the static device tree and the link_list struct element of the + * CPU cluster device will be NULL. In this case add one link, so that the + * alloc_find_dev calls in init_bsp and allocate_cpu_devices will be able to add a + * LAPIC device for the BSP and the APs on this link/bus. + */ + if (!dev->link_list) + add_more_links(dev, 1); + mp_init_cpus(dev->link_list); } |