summaryrefslogtreecommitdiff
path: root/include/linux/devfreq.h
diff options
context:
space:
mode:
authorNishanth Menon <nm@ti.com>2012-10-29 15:01:43 -0500
committerMyungJoo Ham <myungjoo.ham@samsung.com>2012-11-20 18:46:12 +0900
commit3aa173b8db200bb96354481acc0a5b9e123119fe (patch)
treef24511e8b86dd4c482f8551317363ed07fb327a6 /include/linux/devfreq.h
parent2df5021fa9738905e8b1ab92fa0cd685430f54da (diff)
PM / devfreq: provide hooks for governors to be registered
Add devfreq_add_governor and devfreq_remove_governor which can be invoked by governors to register with devfreq. This sets up the stage to dynamically switch governors and allow governors to be dynamically loaded as well. Cc: Rajagopal Venkat <rajagopal.venkat@linaro.org> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Kevin Hilman <khilman@ti.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'include/linux/devfreq.h')
-rw-r--r--include/linux/devfreq.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index bc35c4aee6a3..6484a3f8dda8 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -92,6 +92,7 @@ struct devfreq_dev_profile {
/**
* struct devfreq_governor - Devfreq policy governor
+ * @node: list node - contains registered devfreq governors
* @name: Governor's name
* @get_target_freq: Returns desired operating frequency for the device.
* Basically, get_target_freq will run
@@ -107,6 +108,8 @@ struct devfreq_dev_profile {
* Note that the callbacks are called with devfreq->lock locked by devfreq.
*/
struct devfreq_governor {
+ struct list_head node;
+
const char name[DEVFREQ_NAME_LEN];
int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
int (*event_handler)(struct devfreq *devfreq,