mem: Remove CoherentBus snoop port unused private member

This patch removes an unused member to avoid getting compiler warnings
when using clang.

diff --git a/src/mem/coherent_bus.hh b/src/mem/coherent_bus.hh
index 49f7ae6984d9e22516220a306d078125de2259e2..4908ba0346583eb42065805ef9eabef5dce6611a 100644 (file)
--- a/src/mem/coherent_bus.hh
+++ b/src/mem/coherent_bus.hh
@@ -232,9 +232,6 @@ class CoherentBus : public BaseBus
         /** The port which we mirror internally. */
         SlavePort& slavePort;
 
-        /** The bus to which this port belongs. */
-        CoherentBus &bus;
-
       public:
 
         /**
@@ -242,7 +239,7 @@ class CoherentBus : public BaseBus
          */
         SnoopRespPort(SlavePort& slave_port, CoherentBus& _bus) :
             MasterPort(slave_port.name() + ".snoopRespPort", &_bus),
-            slavePort(slave_port), bus(_bus) { }
+            slavePort(slave_port) { }
 
         /**
          * Override the sending of retries and pass them on through