Send notifications using sysfs_notify to indicate that a cooling device cur state has changed. This can alert the listeners that hardware clocks are about to be throttled. A listening user space application can use this notification to perform workload throttling. Change-Id: I71cd6d11bff87f181fa3b7db36bf6c953d1d77eb Signed-off-by: Srikar Srimath Tirumala <srikars@xxxxxxxxxx> --- drivers/thermal/thermal_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index d4b5465..b09fff1 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1642,6 +1642,7 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev) cdev->updated = true; trace_cdev_update(cdev, target); dev_dbg(&cdev->device, "set to state %lu\n", target); + sysfs_notify(&cdev->device.kobj, NULL, "cur_state"); } EXPORT_SYMBOL(thermal_cdev_update); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
