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path: root/drivers/pci/pci.c
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Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e61e5f956306..121d9deea58a 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2583,8 +2583,6 @@ EXPORT_SYMBOL(pci_wake_from_d3);
*/
static pci_power_t pci_target_state(struct pci_dev *dev, bool wakeup)
{
- pci_power_t target_state = PCI_D3hot;
-
if (platform_pci_power_manageable(dev)) {
/*
* Call the platform to find the target state for the device.
@@ -2594,32 +2592,29 @@ static pci_power_t pci_target_state(struct pci_dev *dev, bool wakeup)
switch (state) {
case PCI_POWER_ERROR:
case PCI_UNKNOWN:
- break;
+ return PCI_D3hot;
+
case PCI_D1:
case PCI_D2:
if (pci_no_d1d2(dev))
- break;
- fallthrough;
- default:
- target_state = state;
+ return PCI_D3hot;
}
- return target_state;
+ return state;
}
- if (!dev->pm_cap)
- target_state = PCI_D0;
-
/*
* If the device is in D3cold even though it's not power-manageable by
* the platform, it may have been powered down by non-standard means.
* Best to let it slumber.
*/
if (dev->current_state == PCI_D3cold)
- target_state = PCI_D3cold;
+ return PCI_D3cold;
+ else if (!dev->pm_cap)
+ return PCI_D0;
if (wakeup && dev->pme_support) {
- pci_power_t state = target_state;
+ pci_power_t state = PCI_D3hot;
/*
* Find the deepest state from which the device can generate
@@ -2634,7 +2629,7 @@ static pci_power_t pci_target_state(struct pci_dev *dev, bool wakeup)
return PCI_D0;
}
- return target_state;
+ return PCI_D3hot;
}
/**