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Commit 42c34707 authored by Bjorn Helgaas's avatar Bjorn Helgaas
Browse files

Merge branch 'pci/rafael-pm' into next 

* pci/rafael-pm:
  PCI/PM: Make pci_pme_active() ignore devices without PME support
  PCI/PM: Fix fallback to PCI_D0 in pci_platform_power_transition()
parents 723ec4d0 ffaddbe8

drivers/pci/pci.c

+6 −11
Original line number Diff line number Diff line
@@ -646,15 +646,11 @@ static int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state) 
		error = platform_pci_set_power_state(dev, state);

		if (!error)

			pci_update_current_state(dev, state);

		/* Fall back to PCI_D0 if native PM is not supported */

		if (!dev->pm_cap)

			dev->current_state = PCI_D0;

	} else {

	} else

		error = -ENODEV;

		/* Fall back to PCI_D0 if native PM is not supported */

		if (!dev->pm_cap)



	if (error && !dev->pm_cap) /* Fall back to PCI_D0 */

		dev->current_state = PCI_D0;

	}



	return error;

}
@@ -1575,7 +1571,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable) 
{

	u16 pmcsr;



	if (!dev->pm_cap)

	if (!dev->pme_support)

		return;



	pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
@@ -1924,6 +1920,7 @@ void pci_pm_init(struct pci_dev *dev) 
	dev->wakeup_prepared = false;



	dev->pm_cap = 0;

	dev->pme_support = 0;



	/* find PCI PM capability in list */

	pm = pci_find_capability(dev, PCI_CAP_ID_PM);
@@ -1975,8 +1972,6 @@ void pci_pm_init(struct pci_dev *dev) 
		device_set_wakeup_capable(&dev->dev, true);

		/* Disable the PME# generation functionality */

		pci_pme_active(dev, false);

	} else {

		dev->pme_support = 0;

	}

}