[Freedreno] [PATCH 11/18] iommu/fsl_pamu: remove the snoop_id field

[Christoph Hellwig]

On Tue, Mar 30, 2021 at 01:58:17PM +0100, Will Deacon wrote:
> pamu_config_ppaace() takes quite a few useless parameters at this stage,
> but anyway:

I'll see it it makes sense to throw in another patch at the end to cut
it down a bit more.

> Acked-by: Will Deacon <will at kernel.org>
> 
> Do you know if this driver is actually useful? Once the complexity has been
> stripped back, the stubs and default values really stand out.

Yeah.  No idea what the usefulness of this driver is.  Bascially all it
seems to do is to setup a few registers to allow access to the whole
physical memory.  But maybe that is required on this hardware to allow
for any DMA access?