diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/qos.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/kernel/power/qos.c b/kernel/power/qos.c index b822206ac811..582b66e882ce 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -596,7 +596,6 @@ void pm_qos_add_request(struct pm_qos_request *req, #ifdef CONFIG_SMP case PM_QOS_REQ_AFFINE_IRQ: if (irq_can_set_affinity(req->irq)) { - int ret = 0; struct irq_desc *desc = irq_to_desc(req->irq); struct cpumask *mask = desc->irq_data.common->affinity; @@ -606,13 +605,6 @@ void pm_qos_add_request(struct pm_qos_request *req, req->irq_notify.notify = pm_qos_irq_notify; req->irq_notify.release = pm_qos_irq_release; - ret = irq_set_affinity_notifier(req->irq, - &req->irq_notify); - if (ret) { - WARN(1, KERN_ERR "IRQ affinity notify set failed\n"); - req->type = PM_QOS_REQ_ALL_CORES; - cpumask_setall(&req->cpus_affine); - } } else { req->type = PM_QOS_REQ_ALL_CORES; cpumask_setall(&req->cpus_affine); @@ -634,6 +626,24 @@ void pm_qos_add_request(struct pm_qos_request *req, trace_pm_qos_add_request(pm_qos_class, value); pm_qos_update_target(pm_qos_array[pm_qos_class]->constraints, req, PM_QOS_ADD_REQ, value); + +#ifdef CONFIG_SMP + if (req->type == PM_QOS_REQ_AFFINE_IRQ && + irq_can_set_affinity(req->irq)) { + int ret = 0; + + ret = irq_set_affinity_notifier(req->irq, + &req->irq_notify); + if (ret) { + WARN(1, "IRQ affinity notify set failed\n"); + req->type = PM_QOS_REQ_ALL_CORES; + cpumask_setall(&req->cpus_affine); + pm_qos_update_target( + pm_qos_array[pm_qos_class]->constraints, + req, PM_QOS_UPDATE_REQ, value); + } + } +#endif } EXPORT_SYMBOL_GPL(pm_qos_add_request); |