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PCI/PM: Allow PCI devices to be put into D3cold during system suspend 

Commit 448bd857d4 ("PCI/PM: add PCIe runtime D3cold support") added a
check to prevent PCI devices from being put into D3cold during system
suspend without giving any particular reason.

Also the check isn't really necessary, because acpi_pci_set_power_state()
maps PCI_D3hot to ACPI_STATE_D3_COLD anyway.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Rafael J. Wysocki 2014-07-21 03:18:24 +02:00 committed by Bjorn Helgaas
parent fe9a743a26
commit 385321e2c6
1 changed files with 0 additions and 4 deletions
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4
drivers/pci/pci.c
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@ -1907,10 +1907,6 @@ int pci_prepare_to_sleep(struct pci_dev *dev)
if (target_state == PCI_POWER_ERROR)
return -EIO;
/* D3cold during system suspend/hibernate is not supported */
if (target_state > PCI_D3hot)
target_state = PCI_D3hot;
pci_enable_wake(dev, target_state, device_may_wakeup(&dev->dev));
error = pci_set_power_state(dev, target_state);