diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2012-06-23 11:59:43 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-06-23 11:59:43 -0600 |
| commit | 35e7f73c32ad44a931d918d04e317a7fb0c63e6e (patch) | |
| tree | e3cb8c89c8230aaa45a0f1b101decdc3b9831938 /drivers/pci/pci-driver.c | |
| parent | e5028b52e46eb1379d78d136bd0890705f331183 (diff) | |
| parent | 448bd857d48e69b33ef323739dc6d8ca20d4cda7 (diff) | |
Merge branch 'topic/huang-d3cold-v7' into next
* topic/huang-d3cold-v7:
PCI/PM: add PCIe runtime D3cold support
PCI: do not call pci_set_power_state with PCI_D3cold
PCI/PM: add runtime PM support to PCIe port
ACPI/PM: specify lowest allowed state for device sleep state
Diffstat (limited to 'drivers/pci/pci-driver.c')
| -rw-r--r-- | drivers/pci/pci-driver.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index bf0cee629b60..ca2e4c79a588 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1019,10 +1019,13 @@ static int pci_pm_runtime_suspend(struct device *dev) if (!pm || !pm->runtime_suspend) return -ENOSYS; + pci_dev->no_d3cold = false; error = pm->runtime_suspend(dev); suspend_report_result(pm->runtime_suspend, error); if (error) return error; + if (!pci_dev->d3cold_allowed) + pci_dev->no_d3cold = true; pci_fixup_device(pci_fixup_suspend, pci_dev); @@ -1044,6 +1047,7 @@ static int pci_pm_runtime_suspend(struct device *dev) static int pci_pm_runtime_resume(struct device *dev) { + int rc; struct pci_dev *pci_dev = to_pci_dev(dev); const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; @@ -1054,7 +1058,11 @@ static int pci_pm_runtime_resume(struct device *dev) __pci_enable_wake(pci_dev, PCI_D0, true, false); pci_fixup_device(pci_fixup_resume, pci_dev); - return pm->runtime_resume(dev); + rc = pm->runtime_resume(dev); + + pci_dev->runtime_d3cold = false; + + return rc; } static int pci_pm_runtime_idle(struct device *dev) |