[CPUFREQ] convert remaining cpufreq semaphore to a mutex
This one fell through the automation at first because it initializes the
semaphore to locked, but that's easily remedied
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Dave Jones <davej@redhat.com>
drivers/cpufreq/cpufreq.c | 37 +++++++++++++++++++------------------
include/linux/cpufreq.h | 3 ++-
2 files changed, 21 insertions(+), 19 deletions(-)
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index c31650d..17866d7 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>
@@ -82,7 +83,7 @@
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