diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 0e65d37c9231..a6ecc203f7b7 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -29,29 +29,6 @@ static struct od_ops od_ops;
 
 static unsigned int default_powersave_bias;
 
-/*
- * Not all CPUs want IO time to be accounted as busy; this depends on how
- * efficient idling at a higher frequency/voltage is.
- * Pavel Machek says this is not so for various generations of AMD and old
- * Intel systems.
- * Mike Chan (android.com) claims this is also not true for ARM.
- * Because of this, whitelist specific known (series) of CPUs by default, and
- * leave all others up to the user.
- */
-static int should_io_be_busy(void)
-{
-#if defined(CONFIG_X86)
-	/*
-	 * For Intel, Core 2 (model 15) and later have an efficient idle.
-	 */
-	if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
-			boot_cpu_data.x86 == 6 &&
-			boot_cpu_data.x86_model >= 15)
-		return 1;
-#endif
-	return 0;
-}
-
 /*
  * Find right freq to be set now with powersave_bias on.
  * Returns the freq_hi to be used right now and will set freq_hi_delay_us,
@@ -377,7 +354,7 @@ static int od_init(struct dbs_data *dbs_data)
 	dbs_data->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR;
 	dbs_data->ignore_nice_load = 0;
 	tuners->powersave_bias = default_powersave_bias;
-	dbs_data->io_is_busy = should_io_be_busy();
+	dbs_data->io_is_busy = od_should_io_be_busy();
 
 	dbs_data->tuners = tuners;
 	return 0;
diff --git a/drivers/cpufreq/cpufreq_ondemand.h b/drivers/cpufreq/cpufreq_ondemand.h
index 1af8e5c4b86f..2ca8f1aaf2e3 100644
--- a/drivers/cpufreq/cpufreq_ondemand.h
+++ b/drivers/cpufreq/cpufreq_ondemand.h
@@ -24,3 +24,26 @@ static inline struct od_policy_dbs_info *to_dbs_info(struct policy_dbs_info *pol
 struct od_dbs_tuners {
 	unsigned int powersave_bias;
 };
+
+#ifdef CONFIG_X86
+#include <asm/cpu_device_id.h>
+
+/*
+ * Not all CPUs want IO time to be accounted as busy; this depends on
+ * how efficient idling at a higher frequency/voltage is.
+ *
+ * Pavel Machek says this is not so for various generations of AMD and
+ * old Intel systems. Mike Chan (android.com) claims this is also not
+ * true for ARM.
+ *
+ * Because of this, select a known series of Intel CPUs (Family 6 and
+ * later) by default, and leave all others up to the user.
+ */
+static inline bool od_should_io_be_busy(void)
+{
+	return (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
+		boot_cpu_data.x86_vfm >= INTEL_PENTIUM_PRO);
+}
+#else
+static inline bool od_should_io_be_busy(void) { return false; }
+#endif