[PATCH net] net: ethernet: mtk_eth_soc: enable special tag when any MAC uses DSA

[Jakub Kicinski]

On Sun,  5 Feb 2023 20:53:31 +0300 arinc9.unal at gmail.com wrote:
> From: Arınç ÜNAL <arinc.unal at arinc9.com>
> 
> The special tag is only enabled when the first MAC uses DSA. However, it
> must be enabled when any MAC uses DSA. Change the check accordingly.
> 
> This fixes hardware DSA untagging not working on the second MAC of the
> MT7621 and MT7623 SoCs, and likely other SoCs too. Therefore, remove the
> check that disables hardware DSA untagging for the second MAC of the MT7621
> and MT7623 SoCs.
> 
> Fixes: a1f47752fd62 ("net: ethernet: mtk_eth_soc: disable hardware DSA untagging for second MAC")

As Paolo pointed out to me off-list this is pretty much a revert of
commit under Fixes. Is this an actual regression fix, or second MAC
as DSA port never worked but now you found a way to make it work?