atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c
index 48868de..1269ba5 100644
--- a/drivers/net/atl1c/atl1c_main.c
+++ b/drivers/net/atl1c/atl1c_main.c
@@ -2537,6 +2537,7 @@
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int atl1c_resume(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
@@ -2563,6 +2564,7 @@
 
 	return 0;
 }
+#endif
 
 static void atl1c_shutdown(struct pci_dev *pdev)
 {