X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fcpufreq.h;fp=include%2Flinux%2Fcpufreq.h;h=17866d7e2b71ad08e12fc9340d5b77448032da48;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=927daa86c9b366e52b41ff388303879896e6c6a4;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 927daa86c..17866d7e2 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -14,6 +14,7 @@
 #ifndef _LINUX_CPUFREQ_H
 #define _LINUX_CPUFREQ_H
 
+#include <linux/mutex.h>
 #include <linux/config.h>
 #include <linux/notifier.h>
 #include <linux/threads.h>
@@ -23,6 +24,7 @@
 #include <linux/completion.h>
 #include <linux/workqueue.h>
 #include <linux/cpumask.h>
+#include <asm/div64.h>
 
 #define CPUFREQ_NAME_LEN 16
 
@@ -81,7 +83,7 @@ struct cpufreq_policy {
         unsigned int		policy; /* see above */
 	struct cpufreq_governor	*governor; /* see below */
 
- 	struct semaphore	lock;   /* CPU ->setpolicy or ->target may
+ 	struct mutex		lock;   /* CPU ->setpolicy or ->target may
 					   only be called once a time */
 
 	struct work_struct	update; /* if update_policy() needs to be
@@ -201,7 +203,7 @@ struct cpufreq_driver {
 
 	/* optional */
 	int	(*exit)		(struct cpufreq_policy *policy);
-	int	(*suspend)	(struct cpufreq_policy *policy, u32 state);
+	int	(*suspend)	(struct cpufreq_policy *policy, pm_message_t pmsg);
 	int	(*resume)	(struct cpufreq_policy *policy);
 	struct freq_attr	**attr;
 };
@@ -255,6 +257,16 @@ 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 */
+#ifdef CONFIG_CPU_FREQ
+unsigned int cpufreq_quick_get(unsigned int cpu);
+#else
+static inline unsigned int cpufreq_quick_get(unsigned int cpu)
+{
+	return 0;
+}
+#endif
+
 
 /*********************************************************************
  *                       CPUFREQ DEFAULT GOVERNOR                    *