From c353f68dc0cd11a86f3502b16982195ec554fdb1 Mon Sep 17 00:00:00 2001
From: Megan Wachs <megan@sifive.com>
Date: Wed, 30 Aug 2017 18:30:22 -0700
Subject: [PATCH] buses: name dummy buffers too

---
 src/main/scala/tilelink/Bus.scala | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/scala/tilelink/Bus.scala b/src/main/scala/tilelink/Bus.scala
index 081906db..98b07003 100644
--- a/src/main/scala/tilelink/Bus.scala
+++ b/src/main/scala/tilelink/Bus.scala
@@ -67,15 +67,15 @@ abstract class TLBusWrapper(params: TLBusParams, val busName: String)(implicit p
   protected def inwardNode: TLInwardNode = xbar.node
   protected def inwardBufNode: TLInwardNode = master_buffer.node
 
-  protected def bufferChain(n: Int, params: BufferParams = BufferParams.default, name: Option[String] = None): (TLInwardNode, TLOutwardNode) = {
-    if (n > 0) {
-      val chain = List.fill(n)(LazyModule(new TLBuffer(params)))
+  protected def bufferChain(depth: Int, params: BufferParams = BufferParams.default, name: Option[String] = None): (TLInwardNode, TLOutwardNode) = {
+    if (depth > 0) {
+      val chain = List.fill(depth)(LazyModule(new TLBuffer(params)))
       name.foreach { n => chain.zipWithIndex foreach { case(b, i) => b.suggestName(s"${busName}_${n}_${i}_TLBuffer") } }
       (chain.init zip chain.tail) foreach { case(prev, next) => next.node :=* prev.node }
       (chain.head.node, chain.last.node)
     } else {
       val dummy = LazyModule(new TLBuffer(BufferParams.none))
-      dummy.suggestName(s"${busName}_${n}_empty_TLBuffer")
+      name.foreach { n => dummy.suggestName(s"${busName}_${n}_empty_TLBuffer")}
       (dummy.node, dummy.node)
     }
   }