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PCI/PM: Set current_state to D3cold if the device is not accessible

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Make pci_power_up() and pci_set_low_power_state() change current_state
to PCI_D3cold when the device is not accessible along the lines of
pci_update_current_state().

Link: https://lore.kernel.org/r/10104376.nUPlyArG6x@kreacher
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
2022-05-05 20:04:07 +02:00
committed by Bjorn Helgaas
parent 7957d20145
commit 1aa85bb14d
1 changed files with 2 additions and 0 deletions
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2
drivers/pci/pci.c
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@@ -1207,6 +1207,7 @@ int pci_power_up(struct pci_dev *dev)
if (PCI_POSSIBLE_ERROR(pmcsr)) {
pci_err(dev, "Unable to change power state from %s to D0, device inaccessible\n",
pci_power_name(dev->current_state));
dev->current_state = PCI_D3cold;
return -EIO;
}
@@ -1335,6 +1336,7 @@ static int pci_set_low_power_state(struct pci_dev *dev, pci_power_t state)
pci_err(dev, "Unable to change power state from %s to %s, device inaccessible\n",
pci_power_name(dev->current_state),
pci_power_name(state));
dev->current_state = PCI_D3cold;
return -EIO;
}