FIFOFixer: Not all D-channel messages are A-channel responses
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@ -27,7 +27,7 @@ class TLFIFOFixer(implicit p: Parameters) extends LazyModule
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val a_nid = a_id === UInt(0) // no id = not FIFO
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val a_first = edgeIn.first(in.a)
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val d_first = edgeOut.first(out.d)
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val d_first = edgeOut.first(out.d) && out.d.bits.opcode =/= TLMessages.ReleaseAck
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val stalls = edgeIn.client.clients.filter(c => c.requestFifo && c.sourceId.size > 1).map { c =>
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val a_sel = c.sourceId.contains(in.a.bits.source)
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