diff options
Diffstat (limited to 'drivers/base/power/qos.c')
| -rw-r--r-- | drivers/base/power/qos.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 7a0d197f0809..2461fed0efa0 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -105,18 +105,25 @@ s32 __dev_pm_qos_resume_latency(struct device *dev) /** * dev_pm_qos_read_value - Get PM QoS constraint for a given device (locked). * @dev: Device to get the PM QoS constraint value for. + * @type: QoS request type. */ -s32 dev_pm_qos_read_value(struct device *dev) +s32 dev_pm_qos_read_value(struct device *dev, enum dev_pm_qos_req_type type) { + struct dev_pm_qos *qos = dev->power.qos; unsigned long flags; s32 ret; spin_lock_irqsave(&dev->power.lock, flags); - if (IS_ERR_OR_NULL(dev->power.qos)) - ret = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT; - else - ret = pm_qos_read_value(&dev->power.qos->resume_latency); + switch (type) { + case DEV_PM_QOS_RESUME_LATENCY: + ret = IS_ERR_OR_NULL(qos) ? PM_QOS_RESUME_LATENCY_NO_CONSTRAINT + : pm_qos_read_value(&qos->resume_latency); + break; + default: + WARN_ON(1); + ret = 0; + } spin_unlock_irqrestore(&dev->power.lock, flags); |