Re: new SBus related DMA warnings in 4.18+git

David Miller
2018-08-27T20:41:36Z

From: Sam Ravnborg <sam-uyr5N9Q2VtJg9hUCZPvPmw@public.gmane.org>
Date: Mon, 27 Aug 2018 21:15:18 +0200

> Why not fix the drivers rather than papering over the fact
> that they are missing the DMA mask?
>
> We are in the lucky situation the Meelis can test any patches.

SBUS drivers never set the mask because they never needed to and could
use the default, since SBUS IOMMUs were quite universal in nature.

I think it's more error prone to add the mask setting to every single
SBUS driver than to just have the core setup the default properly.