bnx2x: Add a periodic task for link PHY events

[firefly-linux-kernel-4.4.55.git] / drivers / net / bnx2x / bnx2x_cmn.c

diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 04cacbf5d71498ca2ba2ba8125c0b3e40d1d635a..bb7556016f41661bc5ca0832d6c5cfcdd2908c16 100644 (file)
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -1736,9 +1736,16 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 
        if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
            (load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
-           (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
+           (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) {
                bp->port.pmf = 1;
-       else
+               /*
+                * We need the barrier to ensure the ordering between the
+                * writing to bp->port.pmf here and reading it from the
+                * bnx2x_periodic_task().
+                */
+               smp_mb();
+               queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
+       } else
                bp->port.pmf = 0;
        DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);