1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 69a617d21824..2329f941a0dc 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -307,9 +307,11 @@ pci_set_power_state(struct pci_dev *dev, pci_power_t state)
          * Can enter D0 from any state, but if we can only go deeper 
          * to sleep if we're already in a low power state
          */
-        if (state != PCI_D0 && dev->current_state > state)
+        if (state != PCI_D0 && dev->current_state > state) {
+                printk(KERN_ERR "%s(): %s: state=%d, current state=%d\n",
+                        __FUNCTION__, pci_name(dev), state, dev->current_state);
                 return -EINVAL;
-        else if (dev->current_state == state) 
+        } else if (dev->current_state == state)
                 return 0;        /* we're already there */
 
         /* find PCI PM capability in list */