[netdrvr e100] Bug fix: enable/disable WOL based on EEPROM settings

Contributed by Scott Feldman @ Intel

drivers/net/e100/e100_config.c

@@ -494,8 +494,7 @@ e100_config_long_rx(struct e100_private *bdp, unsigned char enable)
  * e100_config_wol
  * @bdp: atapter's private data struct
  *
- * This sets configuration options for Wake On LAN functionality (WOL) in the
- * config record. WOL options are retrieved from wolinfo_wolopts in @bdp
+ * This sets configuration options for PHY and Magic Packet WoL 
  */
 void
 e100_config_wol(struct e100_private *bdp)
@@ -504,14 +503,21 @@ e100_config_wol(struct e100_private *bdp)
 
 	if (bdp->wolopts & WAKE_PHY) {
 		bdp->config[9] |= CB_LINK_STATUS_WOL;
-		E100_CONFIG(bdp, 9);
+	}
+	else {
+		/* Disable PHY WoL */
+		bdp->config[9] &= ~CB_LINK_STATUS_WOL;
 	}
 
-	if (!(bdp->wolopts & WAKE_MAGIC)) {
+	if (bdp->wolopts & WAKE_MAGIC) {
+		bdp->config[19] &= ~CB_DISABLE_MAGPAK_WAKE;
+	}
+	else {
+		/* Disable Magic Packet WoL */
 		bdp->config[19] |= CB_DISABLE_MAGPAK_WAKE;
-		E100_CONFIG(bdp, 19);
 	}
 
+	E100_CONFIG(bdp, 19);
 	spin_unlock_bh(&(bdp->config_lock));
 }
 

drivers/net/e100/e100_main.c

@@ -673,12 +673,17 @@ e100_found1(struct pci_dev *pcid, const struct pci_device_id *ent)
 		       bdp->device->name);
 	}
 
-	/* Disabling all WOLs as initialization */
-	bdp->wolsupported = bdp->wolopts = 0;
-	if (bdp->rev_id >= D101A4_REV_ID) {
-		bdp->wolsupported = WAKE_PHY | WAKE_MAGIC;
+	bdp->wolsupported = 0;
+	bdp->wolopts = 0;
+	
+	/* Check if WoL is enabled on EEPROM */
+	if (e100_eeprom_read(bdp, EEPROM_ID_WORD) & BIT_5) {
+		if (bdp->rev_id >= D101A4_REV_ID)
+			bdp->wolsupported = WAKE_PHY | WAKE_MAGIC;
 		if (bdp->rev_id >= D101MA_REV_ID)
 			bdp->wolsupported |= WAKE_UCAST | WAKE_ARP;
+		/* Magic Packet WoL is enabled on device by default */
+		/* if EEPROM WoL bit is TRUE                        */
 		bdp->wolopts = WAKE_MAGIC;
 	}
 
@@ -4089,9 +4094,11 @@ e100_suspend(struct pci_dev *pcid, u32 state)
 	e100_isolate_driver(bdp);
 	pci_save_state(pcid, bdp->pci_state);
 
+	/* Enable or disable WoL */
+	e100_do_wol(pcid, bdp);
+	
 	/* If wol is enabled */
 	if (bdp->wolopts) {
-		e100_do_wol(pcid, bdp);
 		pci_enable_wake(pcid, 3, 1);	/* Enable PME for power state D3 */
 		pci_set_power_state(pcid, 3);	/* Set power state to D3.        */
 	} else {