cxgb3: fix link fault handling

Use the existing periodic task to handle link faults.
The link fault interrupt handler is also called in work queue context,
which is wrong and might cause potential deadlocks.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 10 deletions

diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 31ed31a3428b..e1bd690ff831 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1202,7 +1202,6 @@ void t3_link_changed(struct adapter *adapter, int port_id)
         struct cphy *phy = &pi->phy;
         struct cmac *mac = &pi->mac;
         struct link_config *lc = &pi->link_config;
-        int force_link_down = 0;
 
         phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
 
@@ -1218,14 +1217,9 @@ void t3_link_changed(struct adapter *adapter, int port_id)
                 status = t3_read_reg(adapter, A_XGM_INT_STATUS + mac->offset);
                 if (status & F_LINKFAULTCHANGE) {
                         mac->stats.link_faults++;
-                        force_link_down = 1;
+                        pi->link_fault = 1;
                 }
                 t3_open_rx_traffic(mac, rx_cfg, rx_hash_high, rx_hash_low);
-
-                if (force_link_down) {
-                        t3_os_link_fault_handler(adapter, port_id);
-                        return;
-                }
         }
 
         if (lc->requested_fc & PAUSE_AUTONEG)
@@ -1292,9 +1286,6 @@ void t3_link_fault(struct adapter *adapter, int port_id)
                 /* Account link faults only when the phy reports a link up */
                 if (link_ok)
                         mac->stats.link_faults++;
-
-                msleep(1000);
-                t3_os_link_fault_handler(adapter, port_id);
         } else {
                 if (link_ok)
                         t3_write_reg(adapter, A_XGM_XAUI_ACT_CTRL + mac->offset,