Re: [net-next PATCH] net: phy: aquantia: add AQR111 and AQR111B0 PHY ID

[Christian Marangi]

On Tue, Feb 13, 2024 at 03:09:57PM +0100, Andrew Lunn wrote:
> On Tue, Feb 13, 2024 at 02:35:51PM +0100, Christian Marangi wrote:
> > Add Aquantia AQR111 and AQR111B0 PHY ID. These PHY advertise 10G speed
> > but actually supports up to 5G speed, hence some manual fixup is needed.
> 
> Any chance this is a "golden screwdriver" situation? The chip really
> can do 10G, but the firmware is supposed to limit it to 5G? This is
> just a firmware "bug"?
>

>From [1] the PHY can support up to 5G so yes it is a firmware bug. I can
try searching for some regs to fix the wrong provision values if really
needed.

[1] https://www.marvell.com/content/dam/marvell/en/public-collateral/transceivers/marvell-phys-transceivers-aqrate-gen3-product-brief-2019-09.pdf

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