bnx2: Restrict WoL support.

On some quad-port cards that cannot support WoL on all ports due
to excessive power consumption, the driver needs to restrict WoL
on some ports by checking VAUX_PRESET bit.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 49ebb5055fd4..d28cbce0ec48 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -7586,7 +7586,8 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 
         if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
             (CHIP_ID(bp) == CHIP_ID_5708_B0) ||
-            (CHIP_ID(bp) == CHIP_ID_5708_B1)) {
+            (CHIP_ID(bp) == CHIP_ID_5708_B1) ||
+            !(REG_RD(bp, BNX2_PCI_CONFIG_3) & BNX2_PCI_CONFIG_3_VAUX_PRESET)) {
                 bp->flags |= BNX2_FLAG_NO_WOL;
                 bp->wol = 0;
         }