[PATCH 1/2] ARM: dts: imx6qdl-gw5904: add internal mdio nodes

[Vladimir Oltean]

On Mon, Dec 05, 2022 at 10:01:35AM -0800, Tim Harvey wrote:
> Vladimir,
> 
> Yes, this patch resolves the issue. Enabling CONFIG_MARVELL_PHY
> without this patch still shows the issue.

Yeah, that makes sense considering what the issue is.

> Thanks - please cc me on that and I'll respond (unless you want me to send it).
> 
> I'll submit a v2 of my dt patch with fec phy-mode = 'rgmii' after this
> patch lands.

The question is how far to backport this change.

I see that the GW5904 board was introduced in 2017. Which kernels do you
need to support the complete/unambiguous dt-binding?

I'm tempted to submit the patch to the "net" tree (making it a candidate
for stable releases) but without a Fixes: tag, making it go as far as it
will. That would be down to kernel 5.18, where the mv88e6xxx_get_caps()
function was introduced. Further down, and we'd need different patches
for older stable trees.