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ACPI: Use ACPI methods to select PCI device suspend state

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applied after Rafel's 'PM: Update global suspend and hibernation
operations framework' patch set

Signed-off-by: Shaohua Li<shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Shaohua Li
2007-07-20 10:03:22 +08:00
committed by Len Brown
parent fc30e68e88
commit ab826ca4cf
3 changed files with 24 additions and 8 deletions
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22
drivers/pci/pci-acpi.c
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@@ -245,11 +245,27 @@ EXPORT_SYMBOL(pci_osc_control_set);
* currently we simply return _SxD, if present.
*/
static int acpi_pci_choose_state(struct pci_dev *pdev, pm_message_t state)
static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev,
pm_message_t state)
{
/* TBD */
int acpi_state;
return -ENODEV;
acpi_state = acpi_pm_device_sleep_state(&pdev->dev,
device_may_wakeup(&pdev->dev), NULL);
if (acpi_state < 0)
return PCI_POWER_ERROR;
switch (acpi_state) {
case ACPI_STATE_D0:
return PCI_D0;
case ACPI_STATE_D1:
return PCI_D1;
case ACPI_STATE_D2:
return PCI_D2;
case ACPI_STATE_D3:
return PCI_D3hot;
}
return PCI_POWER_ERROR;
}
static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)