On Mon, Jun 18, 2012 at 11:20 PM, Huang Ying <ying.huang@xxxxxxxxx> wrote:
> Changelog:
>
> v6:
>
> - Disable device D3cold during system suspend/hibernate with a new method per Rafeal's comments
>
> v5:
>
> - Disable device D3cold during system suspend/hibernate per Rafael's comments
>
> v4:
>
> - Minors fixes based on comments from Rafael
>
> v3:
>
> - Drop device.power.power_must_be_on, use pci_dev.no_d3cold instead
> - Drop device.power.power_off_user, use pci_dev.d3cold_allowed instead
> - Use black list instead of white list in pcie port runtime support per request from Bjorn
> - Various fixes based on comments from Rafael
>
> v2:
>
> - Refreshed based on comments from Rafael
>
> [PATCH -v6 1/4] ACPI, PM, Specify lowest allowed state for device sleep
> [PATCH -v6 2/4] PCIe, PM, Add runtime PM support to PCIe port
> [PATCH -v6 3/4] PCI, PM, Do not call pci_set_power_state with PCI_D3cold
> [PATCH -v6 4/4] PCIe, PM, Add PCIe runtime D3cold support
What kernel is this series based on? Patch 4/4 doesn't apply to my
tree. This hunk fails because I don't have the "Some devices mustn't
be in D3 ..." context:
@@ -1754,6 +1841,10 @@ int pci_prepare_to_sleep(struct pci_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;
+
/* Some devices mustn't be in D3 during system sleep */
if (target_state == PCI_D3hot &&
(dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP))
--
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