From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> It sometimes is useful to know what power states the kernel thinks it puts PCI devices into during system suspend, so add a dev_dbg() statement for that. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- drivers/pci/pci-driver.c | 3 +++ 1 file changed, 3 insertions(+) Index: linux-pm/drivers/pci/pci-driver.c =================================================================== --- linux-pm.orig/drivers/pci/pci-driver.c +++ linux-pm/drivers/pci/pci-driver.c @@ -798,6 +798,9 @@ static int pci_pm_suspend_noirq(struct d pci_prepare_to_sleep(pci_dev); } + dev_dbg(dev, "PCI PM: Suspend power state: %s\n", + pci_power_name(pci_dev->current_state)); + pci_pm_set_unknown_state(pci_dev); /*
