diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index a97e2571a5273094f6cff5a7f77f8c541a89b411..4dfbde4f944e5e28b8b90cb8f367c918461b4aa7 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -886,7 +886,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
 	if (state == PCI_D3hot || dev->current_state == PCI_D3hot)
 		pci_dev_d3_sleep(dev);
 	else if (state == PCI_D2 || dev->current_state == PCI_D2)
-		udelay(PCI_PM_D2_DELAY);
+		msleep(PCI_PM_D2_DELAY);
 
 	pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
 	dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);