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Date:   Fri, 30 Sep 2022 07:45:46 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>,
        Jacob Keller <jacob.e.keller@...el.com>
Cc:     Jiri Pirko <jiri@...nulli.us>, Michael Walle <michael@...le.cc>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org
Subject: Re: PHY firmware update method

On Fri, 30 Sep 2022 14:36:47 +0200 Andrew Lunn wrote:
> > Yeah, I tend to agree here. I believe that phylib should probably find a
> > separate way to to the flash.
> > 
> > But perhaps it could be a non-user-facing flash. I mean, what if phylib
> > has internal routine to:
> > 1) do query phy fw version
> > 2) load a fw bin related for this phy (easy phy driver may provide the
> > 				       path/name of the file)
> > 3) flash if there is a newer version available  
> 
> That was my first suggestion. One problem is getting the version from
> the binary blob firmware. But this seems like a generic problem for
> linux-firmware, so maybe somebody has worked on a standardised header
> which can be preppended with this meta data?

Not that I know, perhaps the folks that do laptop FW upgrade have some
thoughts https://fwupd.org/ 

Actually maybe there's something in DMTF, does PLDM have standard image
format? Adding Jake. Not sure if PHYs would use it tho :S 

What's the interface that the PHY FW exposes? Ben H was of the opinion
that we should just expose the raw mtd devices.. just saying..

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