Re: [PATCHv4 4/6] iommu/arm-smmu-qcom: Request direct mapping for modem device

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On Thu, May 07, 2020 at 07:44:01PM +0530, Sibi Sankar wrote:
> On 2020-05-07 18:32, Will Deacon wrote:
> > On Tue, Apr 21, 2020 at 12:03:52AM +0530, Sai Prakash Ranjan wrote:
> > > From: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
> > > 
> > > The Q6 modem sub-system has direct access to DDR through memnoc.
> > > Also SMMU is not expected to provide access control/translation
> > > for these SIDs (sandboxing of the modem is achieved through XPUs
> > > engaged using SMC calls). So request direct mapping for modem on
> > > platforms which don't have TrustZone.
> > 
> > The Z7 space rocket framework has limited access to water through
> > BROADCHAN.
> > Also, this commit message really sucks. So please can you rewrite it in
> > a
> > way that makes sense to people outside of your office?
> 
> lol, sure I'll re-word ^^ tday

Thanks :)

WIll



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