Export feature_detect as intel_feature_detect so it can be re-used by
HWP.

Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---
v4:
Add Jan's Ack

v3:
Remove void * cast when calling intel_feature_detect

v2:
export intel_feature_detect with typed pointer
Move intel_feature_detect to acpi/cpufreq/cpufreq.h since the
declaration now contains struct cpufreq_policy *.
---
 xen/arch/x86/acpi/cpufreq/cpufreq.c | 8 ++++++--
 xen/include/acpi/cpufreq/cpufreq.h  | 2 ++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/acpi/cpufreq/cpufreq.c b/xen/arch/x86/acpi/cpufreq/cpufreq.c
index 6c70d04395..f1cc473b4f 100644
--- a/xen/arch/x86/acpi/cpufreq/cpufreq.c
+++ b/xen/arch/x86/acpi/cpufreq/cpufreq.c
@@ -339,9 +339,8 @@ static unsigned int cf_check get_cur_freq_on_cpu(unsigned int cpu)
     return extract_freq(get_cur_val(cpumask_of(cpu)), data);
 }
 
-static void cf_check feature_detect(void *info)
+void intel_feature_detect(struct cpufreq_policy *policy)
 {
-    struct cpufreq_policy *policy = info;
     unsigned int eax;
 
     eax = cpuid_eax(6);
@@ -353,6 +352,11 @@ static void cf_check feature_detect(void *info)
     }
 }
 
+static void cf_check feature_detect(void *info)
+{
+    intel_feature_detect(info);
+}
+
 static unsigned int check_freqs(const cpumask_t *mask, unsigned int freq,
                                 struct acpi_cpufreq_data *data)
 {
diff --git a/xen/include/acpi/cpufreq/cpufreq.h b/xen/include/acpi/cpufreq/cpufreq.h
index 1f1898d811..482ea5b0de 100644
--- a/xen/include/acpi/cpufreq/cpufreq.h
+++ b/xen/include/acpi/cpufreq/cpufreq.h
@@ -243,4 +243,6 @@ int write_userspace_scaling_setspeed(unsigned int cpu, unsigned int freq);
 void cpufreq_dbs_timer_suspend(void);
 void cpufreq_dbs_timer_resume(void);
 
+void intel_feature_detect(struct cpufreq_policy *policy);
+
 #endif /* __XEN_CPUFREQ_PM_H__ */
-- 
2.41.0