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path: root/drivers/pci/pci.c
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-rw-r--r--drivers/pci/pci.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index bea1ad1ad5ba..042fa5265cf6 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 */