apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

PM / devfreq: Add suspend and resume apis

Browse Source 
Add devfreq suspend/resume apis for devfreq users. This patch
supports suspend and resume of devfreq load monitoring, required
for devices which can idle.

Signed-off-by: Rajagopal Venkat <rajagopal.venkat@linaro.org>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rajagopal Venkat
2012-10-26 01:50:18 +02:00
committed by Rafael J. Wysocki
parent 7e6fdd4bad
commit 206c30cfeb
4 changed files with 51 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/devfreq/devfreq.c
+28
View File
@@ -427,6 +427,34 @@ int devfreq_remove_device(struct devfreq *devfreq)
}
EXPORT_SYMBOL(devfreq_remove_device);
/**
* devfreq_suspend_device() - Suspend devfreq of a device.
* @devfreq: the devfreq instance to be suspended
*/
int devfreq_suspend_device(struct devfreq *devfreq)
{
if (!devfreq)
return -EINVAL;
return devfreq->governor->event_handler(devfreq,
DEVFREQ_GOV_SUSPEND, NULL);
}
EXPORT_SYMBOL(devfreq_suspend_device);
/**
* devfreq_resume_device() - Resume devfreq of a device.
* @devfreq: the devfreq instance to be resumed
*/
int devfreq_resume_device(struct devfreq *devfreq)
{
if (!devfreq)
return -EINVAL;
return devfreq->governor->event_handler(devfreq,
DEVFREQ_GOV_RESUME, NULL);
}
EXPORT_SYMBOL(devfreq_resume_device);
static ssize_t show_governor(struct device *dev,
struct device_attribute *attr, char *buf)
{