Re: [PATCH v13 6/6] iommu/arm-smmu: add support for PRR bit setup

From: Konrad Dybcio
Date: Wed Jul 10 2024 - 18:01:33 EST


On 10.07.2024 7:01 PM, Rob Clark wrote:
> On Tue, Jul 9, 2024 at 12:43 PM Bibek Kumar Patro
> <quic_bibekkum@xxxxxxxxxxx> wrote:

[...]

> If there is a clean break, such as all smmu-500 have PRR and all
> smmu-v2 do not, then it would be reasonable to use the compat strings.
> If not, I think we need a different way.

if (a reserved-memory region is passed in dt) {
init_prr()
}

Konrad