e100: Use pci_pme_active to clear PME_Status and disable PME#

Currently e100 uses pci_enable_wake() to clear pending wake-up events
and disable PME# during intitialization, but that function is not
suitable for this purpose, because it immediately returns error code
if device_may_wakeup() returns false for given device.

Make e100 use pci_pme_active(), which carries out exactly the
required operations, instead.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 453115a..5cf78d6 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2738,9 +2738,7 @@
 		nic->flags |= wol_magic;
 
 	/* ack any pending wake events, disable PME */
-	err = pci_enable_wake(pdev, 0, 0);
-	if (err)
-		DPRINTK(PROBE, ERR, "Error clearing wake event\n");
+	pci_pme_active(pdev, false);
 
 	strcpy(netdev->name, "eth%d");
 	if((err = register_netdev(netdev))) {