diff options
| -rw-r--r-- | src/soc/intel/denverton_ns/cpu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/intel/denverton_ns/cpu.c b/src/soc/intel/denverton_ns/cpu.c index 1dc0830d86..10e79be3b5 100644 --- a/src/soc/intel/denverton_ns/cpu.c +++ b/src/soc/intel/denverton_ns/cpu.c @@ -287,6 +287,14 @@ static const struct mp_ops mp_ops = { void denverton_init_cpus(struct device *dev) { + /* + * Ensure there is at least one bus downstream to the CPU device. If not, then create a + * new link. This can occur if the mainboard does not add any APIC device in the device + * tree. + */ + if (!dev->link_list) + add_more_links(dev, 1); + /* Clear for take-off */ if (mp_init_with_smm(dev->link_list, &mp_ops) < 0) printk(BIOS_ERR, "MP initialization failure.\n"); |