mutex_lock(&pci_pme_list_mutex);
list_for_each_entry_safe(pme_dev, n, &pci_pme_list, list) {
- if (pme_dev->dev->pme_poll) {
- struct pci_dev *bridge;
+ struct pci_dev *pdev = pme_dev->dev;
+
+ if (pdev->pme_poll) {
+ struct pci_dev *bridge = pdev->bus->self;
+ struct device *dev = &pdev->dev;
+ int pm_status;
- bridge = pme_dev->dev->bus->self;
/*
* If bridge is in low power state, the
* configuration space of subordinate devices
*/
if (bridge && bridge->current_state != PCI_D0)
continue;
+
/*
- * If the device is in D3cold it should not be
- * polled either.
+ * If the device is in a low power state it
+ * should not be polled either.
*/
- if (pme_dev->dev->current_state == PCI_D3cold)
+ pm_status = pm_runtime_get_if_active(dev, true);
+ if (!pm_status)
continue;
- pci_pme_wakeup(pme_dev->dev, NULL);
+ if (pdev->current_state != PCI_D3cold)
+ pci_pme_wakeup(pdev, NULL);
+
+ if (pm_status > 0)
+ pm_runtime_put(dev);
} else {
list_del(&pme_dev->list);
kfree(pme_dev);