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

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On Mon, Dec 5, 2022 at 11:02 AM Vladimir Oltean <vladimir.oltean@xxxxxxx> wrote:
>
> 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?

before adding the internal PHY nodes it works fine so no backporting
needed. I just don't want to add the complete/unambiguous dt-bindings
until your patch lands as at that point it would otherwise be broken.

Best Regards,

Tim

>
> 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.



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