From b8ff2f27928b57c1f8eff959f34edd9d12b15a29 Mon Sep 17 00:00:00 2001
From: Robert Jordens <jordens@gmail.com>
Date: Thu, 25 Jul 2013 15:55:05 -0600
Subject: [PATCH] genlib/roundrobin.py: fix n==1 case

---
 migen/genlib/roundrobin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/migen/genlib/roundrobin.py b/migen/genlib/roundrobin.py
index 15bec5c7f..cf42e9436 100644
--- a/migen/genlib/roundrobin.py
+++ b/migen/genlib/roundrobin.py
@@ -5,7 +5,7 @@ from migen.fhdl.std import *
 class RoundRobin(Module):
 	def __init__(self, n, switch_policy=SP_WITHDRAW):
 		self.request = Signal(n)
-		self.grant = Signal(max=n)
+		self.grant = Signal(max=max(1, n))
 		self.switch_policy = switch_policy
 		if self.switch_policy == SP_CE:
 			self.ce = Signal()