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genlib/roundrobin.py: fix n==1 case

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Robert Jordens 2013-07-25 15:55:05 -06:00 committed by Sebastien Bourdeauducq
parent b96eb339af
commit b8ff2f2792
1 changed files with 1 additions and 1 deletions
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2
migen/genlib/roundrobin.py
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@ -5,7 +5,7 @@ from migen.fhdl.std import *
class RoundRobin(Module): class RoundRobin(Module):
def __init__(self, n, switch_policy=SP_WITHDRAW): def __init__(self, n, switch_policy=SP_WITHDRAW):
self.request = Signal(n) self.request = Signal(n)
self.grant = Signal(max=n) self.grant = Signal(max=max(1, n))
self.switch_policy = switch_policy self.switch_policy = switch_policy
if self.switch_policy == SP_CE: if self.switch_policy == SP_CE:
self.ce = Signal() self.ce = Signal()