bnx2x: fix WOL by enablement PME in config space

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index 6b46917..15f8000 100644 (file)
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -7627,8 +7627,11 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
                u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
                u8 *mac_addr = bp->dev->dev_addr;
                u32 val;
+               u16 pmc;
+
                /* The mac address is written to entries 1-4 to
-                  preserve entry 0 which is used by the PMF */
+                * preserve entry 0 which is used by the PMF
+                */
                u8 entry = (BP_VN(bp) + 1)*8;
 
                val = (mac_addr[0] << 8) | mac_addr[1];
@@ -7638,6 +7641,11 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
                      (mac_addr[4] << 8) | mac_addr[5];
                EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
 
+               /* Enable the PME and clear the status */
+               pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
+               pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
+               pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
+
                reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
 
        } else