diff options
Diffstat (limited to 'drivers/cpufreq/speedstep-ich.c')
| -rw-r--r-- | drivers/cpufreq/speedstep-ich.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/cpufreq/speedstep-ich.c b/drivers/cpufreq/speedstep-ich.c index a748ce782fe..7432b3a72cd 100644 --- a/drivers/cpufreq/speedstep-ich.c +++ b/drivers/cpufreq/speedstep-ich.c @@ -25,6 +25,8 @@ #include <linux/pci.h> #include <linux/sched.h> +#include <asm/cpu_device_id.h> + #include "speedstep-lib.h" @@ -388,6 +390,16 @@ static struct cpufreq_driver speedstep_driver = { .attr = speedstep_attr, }; +static const struct x86_cpu_id ss_smi_ids[] = { + { X86_VENDOR_INTEL, 6, 0xb, }, + { X86_VENDOR_INTEL, 6, 0x8, }, + { X86_VENDOR_INTEL, 15, 2 }, + {} +}; +#if 0 +/* Autoload or not? Do not for now. */ +MODULE_DEVICE_TABLE(x86cpu, ss_smi_ids); +#endif /** * speedstep_init - initializes the SpeedStep CPUFreq driver @@ -398,6 +410,9 @@ static struct cpufreq_driver speedstep_driver = { */ static int __init speedstep_init(void) { + if (!x86_match_cpu(ss_smi_ids)) + return -ENODEV; + /* detect processor */ speedstep_processor = speedstep_detect_processor(); if (!speedstep_processor) { |