[PATCH v2 1/2] IOMMU: arm-smmu-v3: Fix broken STE.VALID check in Broadcom Vulcan

Will Deacon will.deacon at arm.com
Mon Dec 21 01:55:01 PST 2015

On Sat, Dec 19, 2015 at 04:47:30AM +0000, Prem (Premachandra) Mallappa wrote:
> Hi Will, 

Hello Prem,

> > 
> > Is this workaround only needed for bypass STEs? If not, we have a problem
> > when we install a stage-1 entry, because we'll clear the EATS bits as it stands.
> >
> Yes, this _was_ needed only in Bypass STEs, AFAIK.
> However, the h/w fixes that were committed recently has this worked out. 
> I have tested and confirmed this patch is no longer necessary. We'll drop
> this series as STE.VALID is not broken anymore :).

Hey, that's an early Christmas present! :)


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