[PATCH net] net: ethernet: mtk_eth_soc: fix supported_interface set after phylink_create

[Daniel Golle]

On Mon, Jun 15, 2026 at 05:11:00PM +0200, Christian Marangi wrote:
> Everything configured in phylink_config it's assumed to be set before
> calling phylink_create() to permit correct parsing of all the different
> modes and capabilities.
> 
> Commit 51cf06ddafc9 ("net: ethernet: mtk_eth_soc: add support for MT7988
> internal 2.5G PHY") while introducing support for 2.5G phy for MT7988,
> probably due to an auto-rebase, placed the configuration of the INTERNAL
> interface mode for the supported_interfaces for phylink_config right after
> phylink_create() introducing a possible problem with supported interfaces
> parsing.
> 
> While this doesn't currently create any problem/bug, move setting this bit
> before phylink_create() to prevent any possible regression in future code
> change in phylink core.
> 
> Fixes: 51cf06ddafc9 ("net: ethernet: mtk_eth_soc: add support for MT7988 internal 2.5G PHY")
> Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>

Reviewed-by: Daniel Golle <daniel at makrotopia.org>

As no user-visible bug surfaces because of that it is questionable though if
the Fixes:-tag is justified.