PM / devfreq: event: Add const keyword for devfreq_event_ops structure

This patch adds the const keyword for devfreq_event_ops structure
because the ops of devfreq_event_desc structure should not be changed
after initialization.

Cc: Myungjoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index ad8347385f53ba38ab789613c5ce28830c2a9eff..7d99d13bacd8cc2d95d01f4b089ec4e9e419485a 100644 (file)
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -194,7 +194,7 @@ static int exynos_ppmu_get_event(struct devfreq_event_dev *edev,
        return 0;
 }
 
-static struct devfreq_event_ops exynos_ppmu_ops = {
+static const struct devfreq_event_ops exynos_ppmu_ops = {
        .disable = exynos_ppmu_disable,
        .set_event = exynos_ppmu_set_event,
        .get_event = exynos_ppmu_get_event,

diff --git a/include/linux/devfreq-event.h b/include/linux/devfreq-event.h
index 602fbbfcfeedcf415bd09574a73e24798fe0feb1..0a83a1e648b088c1acc8a7304eb6be71be146026 100644 (file)
--- a/include/linux/devfreq-event.h
+++ b/include/linux/devfreq-event.h
@@ -91,7 +91,7 @@ struct devfreq_event_desc {
        const char *name;
        void *driver_data;
 
-       struct devfreq_event_ops *ops;
+       const struct devfreq_event_ops *ops;
 };
 
 #if defined(CONFIG_PM_DEVFREQ_EVENT)