[PATCH 4.19.y] net: dsa: mt7530: disable learning on standalone ports

[Sasha Levin]

On Tue, Aug 24, 2021 at 01:55:08PM +0800, DENG Qingfang wrote:
>This is a partial backport of commit 5a30833b9a16f8d1aa15de06636f9317ca51f9df
>("net: dsa: mt7530: support MDB and bridge flag operations") upstream.
>
>Make sure that the standalone ports start up with learning disabled.

What's the reasoning behind:

1. Backporting this patch?
2. A partial backport of this patch?

-- 
Thanks,
Sasha