diff options
| author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-03-21 00:26:18 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-03-21 00:26:18 -0700 |
| commit | 3d04d42312eacc68fbcddea337f7eb34bc035dfb (patch) | |
| tree | 7211df5704b743a7667159748c670a9744164482 /drivers/cpufreq/p4-clockmod.c | |
| parent | c98291ee1ceac03912e24b3219fa6e7dc0d52f5e (diff) | |
| parent | 69a7aebcf019ab3ff5764525ad6858fbe23bb86d (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/cpufreq/p4-clockmod.c')
| -rw-r--r-- | drivers/cpufreq/p4-clockmod.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c index 6be3e0760c26..827629c9aad7 100644 --- a/drivers/cpufreq/p4-clockmod.c +++ b/drivers/cpufreq/p4-clockmod.c @@ -31,6 +31,7 @@ #include <asm/processor.h> #include <asm/msr.h> #include <asm/timer.h> +#include <asm/cpu_device_id.h> #include "speedstep-lib.h" @@ -289,21 +290,25 @@ static struct cpufreq_driver p4clockmod_driver = { .attr = p4clockmod_attr, }; +static const struct x86_cpu_id cpufreq_p4_id[] = { + { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_ACC }, + {} +}; + +/* + * Intentionally no MODULE_DEVICE_TABLE here: this driver should not + * be auto loaded. Please don't add one. + */ static int __init cpufreq_p4_init(void) { - struct cpuinfo_x86 *c = &cpu_data(0); int ret; /* * THERM_CONTROL is architectural for IA32 now, so * we can rely on the capability checks */ - if (c->x86_vendor != X86_VENDOR_INTEL) - return -ENODEV; - - if (!test_cpu_cap(c, X86_FEATURE_ACPI) || - !test_cpu_cap(c, X86_FEATURE_ACC)) + if (!x86_match_cpu(cpufreq_p4_id) || !boot_cpu_has(X86_FEATURE_ACPI)) return -ENODEV; ret = cpufreq_register_driver(&p4clockmod_driver); |