PM / devfreq: add min/max_freq limit requested by users.
The frequency requested to devfreq device driver from devfreq governors
is restricted by min_freq and max_freq input.
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index f7eb7d0..5862475 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -124,6 +124,8 @@
* touch this.
* @being_removed a flag to mark that this object is being removed in
* order to prevent trying to remove the object multiple times.
+ * @min_freq Limit minimum frequency requested by user (0: none)
+ * @max_freq Limit maximum frequency requested by user (0: none)
*
* This structure stores the devfreq information for a give device.
*
@@ -149,6 +151,9 @@
void *data; /* private data for governors */
bool being_removed;
+
+ unsigned long min_freq;
+ unsigned long max_freq;
};
#if defined(CONFIG_PM_DEVFREQ)