netdev - Is my patch interesting for contribution: FixedPHY support for Microchip LAN743x ?

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Date:   Fri, 20 Mar 2020 14:18:14 +0100
From:   Roelof Berg <rberg@...g-solutions.de>
To:     netdev@...r.kernel.org
Subject: Is my patch interesting for contribution: FixedPHY support for
 Microchip LAN743x ?

Dear Kernel-Heros,

for our custom PCB I added FixedPHY support to the Microchip lan743x driver. This allows running a combination of lan7431 (MAC) and Microchip ksz9893 (switch) via a direct MII connection, i.e. without any PHYs in between. The .config determines wether (and how) FixedPHY is used, and the patch has 100%ly no (side-)effect in the default setting.

Is such a patch interesting for the community ?

Pro:
+ Supports lan7431<->kaz9893, a cost effective way of doing: PCIe<->2x-RJ45
+ Tested
+ Can be a grep-template for others with the same issue, i.e. adding FixedPHY to their driver

Con:
- Maybe a more general approach would be better, that allows connecting any driver to a FixedPhy ? Insread of every driver doing its own thing ?

Thanks, best regards,
Roelof Berg
www.berg-solutions.de