cxgb3 - Fatal error update

Stop the MAC when a fatal error is detected.
Signed-off-by: NDivy Le Ray <divy@chelsio.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/cxgb3/cxgb3_main.c

@@ -2297,6 +2297,10 @@ void t3_fatal_err(struct adapter *adapter)
 
 	if (adapter->flags & FULL_INIT_DONE) {
 		t3_sge_stop(adapter);
+		t3_write_reg(adapter, A_XGM_TX_CTRL, 0);
+		t3_write_reg(adapter, A_XGM_RX_CTRL, 0);
+		t3_write_reg(adapter, XGM_REG(A_XGM_TX_CTRL, 1), 0);
+		t3_write_reg(adapter, XGM_REG(A_XGM_RX_CTRL, 1), 0);
 		t3_intr_disable(adapter);
 	}
 	CH_ALERT(adapter, "encountered fatal error, operation suspended\n");