PCI: pci_has_legacy_pm_support add driver and device to WARN

Include the driver name and device in warning when a pci driver
supports both legacy pm and new framework as just the stack trace
gives no way to identify the driver.

Signed-off-by: David Fries <David@Fries.net>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 12d1e81a8abe..3623d65f8b86 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -604,7 +604,8 @@ static bool pci_has_legacy_pm_support(struct pci_dev *pci_dev)
          * supported as well.  Drivers are supposed to support either the
          * former, or the latter, but not both at the same time.
          */
-        WARN_ON(ret && drv->driver.pm);
+        WARN(ret && drv->driver.pm, "driver %s device %04x:%04x\n",
+                drv->name, pci_dev->vendor, pci_dev->device);
 
         return ret;
 }