diff options
Diffstat (limited to 'sys/dev/cpufreq/ichss.c')
| -rw-r--r-- | sys/dev/cpufreq/ichss.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/cpufreq/ichss.c b/sys/dev/cpufreq/ichss.c index b8d3542..d38ed52 100644 --- a/sys/dev/cpufreq/ichss.c +++ b/sys/dev/cpufreq/ichss.c @@ -166,7 +166,11 @@ ichss_pci_probe(device_t dev) if (devclass_get_device(ichss_devclass, 0)) return (ENXIO); - /* Add a child under the CPU parent. */ + /* + * Add a child under the CPU parent. It appears that ICH SpeedStep + * only requires a single CPU to set the value (since the chipset + * is shared by all CPUs.) Thus, we only add a child to cpu 0. + */ parent = devclass_get_device(devclass_find("cpu"), 0); KASSERT(parent != NULL, ("cpu parent is NULL")); child = BUS_ADD_CHILD(parent, 0, "ichss", 0); |
