netdev - ARCNET Contemporary Controls PCI20EX PCIe Card

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Date:   Fri, 17 May 2019 19:03:19 +0000
From:   "Kenton, Stephen M." <skenton@...edu>
To:     Michael Grzeschik <m.grzeschik@...gutronix.de>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: ARCNET Contemporary Controls PCI20EX PCIe Card

I've got some old optical (as in eyeglasses) equipment that only talks 
over ARCNET that I want to get up and running. The PEX PCIe-to-PCI 
bridge is on the card with the SMC COM20022 and lspci sees them

02:00.0 PCI bridge [0604]: PLX Technology, Inc. PEX 8111 PCI
Express-to-PCI Bridge [10b5:8111] (rev 21)
03:04.0 Network controller [0280]: Contemporary Controls Device
[1571:a0e4] (rev aa)
      Subsystem: Contemporary Controls Device [1571:a0e4]

I just pulled the current kernel source and 1571:a0e4 does not seem to be supported by the driver.

Before I start trying to invent wheels, is/has anyone else looking in this area?

Thanks,

Steve Kenton