[PATCH] PM: devfreq: init performance/powersave governor

From: Xiaoguang Chen
Date: Thu Apr 26 2012 - 23:26:50 EST


Performance and powersave governor's get_target_freq
is not called if driver chooses one of these two governors.
Add init function in governor profile to call update_devfreq
which will call get_target_freq subsequently.

Signed-off-by: Xiaoguang Chen <chenxg@xxxxxxxxxxx>
---
drivers/devfreq/governor_performance.c | 7 +++++++
drivers/devfreq/governor_powersave.c | 7 +++++++
2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/devfreq/governor_performance.c b/drivers/devfreq/governor_performance.c
index 574a06b..af75ddd 100644
--- a/drivers/devfreq/governor_performance.c
+++ b/drivers/devfreq/governor_performance.c
@@ -10,6 +10,7 @@
*/

#include <linux/devfreq.h>
+#include "governor.h"

static int devfreq_performance_func(struct devfreq *df,
unsigned long *freq)
@@ -25,8 +26,14 @@ static int devfreq_performance_func(struct devfreq *df,
return 0;
}

+static int performance_init(struct devfreq *devfreq)
+{
+ return update_devfreq(devfreq);
+}
+
const struct devfreq_governor devfreq_performance = {
.name = "performance",
+ .init = performance_init,
.get_target_freq = devfreq_performance_func,
.no_central_polling = true,
};
diff --git a/drivers/devfreq/governor_powersave.c b/drivers/devfreq/governor_powersave.c
index d742d4a..fec0cdb 100644
--- a/drivers/devfreq/governor_powersave.c
+++ b/drivers/devfreq/governor_powersave.c
@@ -10,6 +10,7 @@
*/

#include <linux/devfreq.h>
+#include "governor.h"

static int devfreq_powersave_func(struct devfreq *df,
unsigned long *freq)
@@ -22,8 +23,14 @@ static int devfreq_powersave_func(struct devfreq *df,
return 0;
}

+static int powersave_init(struct devfreq *devfreq)
+{
+ return update_devfreq(devfreq);
+}
+
const struct devfreq_governor devfreq_powersave = {
.name = "powersave",
+ .init = powersave_init,
.get_target_freq = devfreq_powersave_func,
.no_central_polling = true,
};
--
1.7.0.4

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