From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 2 May 2007 17:27:08 +0000 (+0200)
Subject: [PATCH] x86-64: fix x86_64-mm-sched-clock-share
X-Git-Tag: firefly_0821_release~30161^2~172
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=184c44d2049c4db7ef6ec65794546954da2c6a0e;p=firefly-linux-kernel-4.4.55.git

[PATCH] x86-64: fix x86_64-mm-sched-clock-share

Fix for the following patch. Provide dummy cpufreq functions when
CPUFREQ is not compiled in.

Cc: Andi Kleen <ak@suse.de>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
---

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 0899e2cdcdd1..cb9b2ec8849c 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -32,7 +32,15 @@
  *                     CPUFREQ NOTIFIER INTERFACE                    *
  *********************************************************************/
 
+#ifdef CONFIG_CPU_FREQ
 int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list);
+#else
+static inline int cpufreq_register_notifier(struct notifier_block *nb,
+						unsigned int list)
+{
+	return 0;
+}
+#endif
 int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list);
 
 #define CPUFREQ_TRANSITION_NOTIFIER	(0)
@@ -261,17 +269,22 @@ int cpufreq_set_policy(struct cpufreq_policy *policy);
 int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu);
 int cpufreq_update_policy(unsigned int cpu);
 
-/* query the current CPU frequency (in kHz). If zero, cpufreq couldn't detect it */
-unsigned int cpufreq_get(unsigned int cpu);
 
-/* query the last known CPU freq (in kHz). If zero, cpufreq couldn't detect it */
+/*
+ * query the last known CPU freq (in kHz). If zero, cpufreq couldn't detect it
+ */
 #ifdef CONFIG_CPU_FREQ
 unsigned int cpufreq_quick_get(unsigned int cpu);
+unsigned int cpufreq_get(unsigned int cpu);
 #else
 static inline unsigned int cpufreq_quick_get(unsigned int cpu)
 {
 	return 0;
 }
+static inline unsigned int cpufreq_get(unsigned int cpu)
+{
+	return 0;
+}
 #endif