===================================================================
@@ -513,7 +513,11 @@ static int pci_raw_set_power_state(struc
else if (state == PCI_D2 || dev->current_state == PCI_D2)
udelay(PCI_PM_D2_DELAY);
- dev->current_state = state;
+ pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
+ dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);
+ if (dev->current_state != state && printk_ratelimit())
+ dev_info(&dev->dev, "Refused to change power state, "
+ "currently in D%d\n", dev->current_state);
/* According to section 5.4.1 of the "PCI BUS POWER MANAGEMENT
* INTERFACE SPECIFICATION, REV. 1.2", a device transitioning