e1000e: Enclose e1000e_pm_thaw() with CONFIG_PM_SLEEP

Fix following compilation warning:
drivers/net/ethernet/intel/e1000e/netdev.c:6238:12: warning
‘e1000e_pm_thaw’ defined but not used [-Wunused-function]
 static int e1000e_pm_thaw(struct device *dev)
            ^
Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 165f7bcd66ae..8926a13ae323 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6235,6 +6235,7 @@ static int __e1000_resume(struct pci_dev *pdev)
         return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int e1000e_pm_thaw(struct device *dev)
 {
         struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev));
@@ -6255,7 +6256,6 @@ static int e1000e_pm_thaw(struct device *dev)
         return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int e1000e_pm_suspend(struct device *dev)
 {
         struct pci_dev *pdev = to_pci_dev(dev);