PM / devfreq: exynos-ppmu: Remove unused mutex from struct exynos_ppmu

The mutex is not used at all, remove it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-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 be9040e..64ab956 100644 (file)
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -15,7 +15,6 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/mutex.h>
 #include <linux/of_address.h>
 #include <linux/platform_device.h>
 #include <linux/suspend.h>
@@ -34,7 +33,6 @@ struct exynos_ppmu {
        unsigned int num_events;
 
        struct device *dev;
-       struct mutex lock;
 
        struct exynos_ppmu_data ppmu;
 };
@@ -459,7 +457,6 @@ static int exynos_ppmu_probe(struct platform_device *pdev)
        if (!info)
                return -ENOMEM;
 
-       mutex_init(&info->lock);
        info->dev = &pdev->dev;
 
        /* Parse dt data to get resource */