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Diffstat (limited to 'drivers/hwmon/coretemp.c')
-rw-r--r--drivers/hwmon/coretemp.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index a6c6ec36615e..249ac460e3d9 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -39,6 +39,7 @@
39#include <linux/moduleparam.h> 39#include <linux/moduleparam.h>
40#include <asm/msr.h> 40#include <asm/msr.h>
41#include <asm/processor.h> 41#include <asm/processor.h>
42#include <asm/cpu_device_id.h>
42 43
43#define DRVNAME "coretemp" 44#define DRVNAME "coretemp"
44 45
@@ -759,13 +760,23 @@ static struct notifier_block coretemp_cpu_notifier __refdata = {
759 .notifier_call = coretemp_cpu_callback, 760 .notifier_call = coretemp_cpu_callback,
760}; 761};
761 762
763static const struct x86_cpu_id coretemp_ids[] = {
764 { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_DTS },
765 {}
766};
767MODULE_DEVICE_TABLE(x86cpu, coretemp_ids);
768
762static int __init coretemp_init(void) 769static int __init coretemp_init(void)
763{ 770{
764 int i, err = -ENODEV; 771 int i, err = -ENODEV;
765 772
766 /* quick check if we run Intel */ 773 /*
767 if (cpu_data(0).x86_vendor != X86_VENDOR_INTEL) 774 * CPUID.06H.EAX[0] indicates whether the CPU has thermal
768 goto exit; 775 * sensors. We check this bit only, all the early CPUs
776 * without thermal sensors will be filtered out.
777 */
778 if (!x86_match_cpu(coretemp_ids))
779 return -ENODEV;
769 780
770 err = platform_driver_register(&coretemp_driver); 781 err = platform_driver_register(&coretemp_driver);
771 if (err) 782 if (err)