diff options
Diffstat (limited to 'drivers/base/power/qos.c')
| -rw-r--r-- | drivers/base/power/qos.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 84756f7f09d9..36b9eb4862cb 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -565,20 +565,32 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_remove_global_notifier); * dev_pm_qos_add_ancestor_request - Add PM QoS request for device's ancestor. * @dev: Device whose ancestor to add the request for. * @req: Pointer to the preallocated handle. + * @type: Type of the request. * @value: Constraint latency value. */ int dev_pm_qos_add_ancestor_request(struct device *dev, - struct dev_pm_qos_request *req, s32 value) + struct dev_pm_qos_request *req, + enum dev_pm_qos_req_type type, s32 value) { struct device *ancestor = dev->parent; int ret = -ENODEV; - while (ancestor && !ancestor->power.ignore_children) - ancestor = ancestor->parent; + switch (type) { + case DEV_PM_QOS_RESUME_LATENCY: + while (ancestor && !ancestor->power.ignore_children) + ancestor = ancestor->parent; + break; + case DEV_PM_QOS_LATENCY_TOLERANCE: + while (ancestor && !ancestor->power.set_latency_tolerance) + ancestor = ancestor->parent; + + break; + default: + ancestor = NULL; + } if (ancestor) - ret = dev_pm_qos_add_request(ancestor, req, - DEV_PM_QOS_RESUME_LATENCY, value); + ret = dev_pm_qos_add_request(ancestor, req, type, value); if (ret < 0) req->dev = NULL; |