Re: [PATCH v3 4/4] arm64: dts: qcom: qcs615: add the APPS SMMU node

[Konrad Dybcio]

On 25.10.2024 1:06 PM, Dmitry Baryshkov wrote:
> On Fri, Oct 25, 2024 at 10:54:24AM +0200, Konrad Dybcio wrote:
>> On 25.10.2024 5:07 AM, Qingqing Zhou wrote:
>>> Add the APPS SMMU node for QCS615 platform. Add the dma-ranges
>>> to limit DMA address range to 36bit width to align with system
>>> architecture.
>>>
>>> Signed-off-by: Qingqing Zhou <quic_qqzhou@xxxxxxxxxxx>
>>> ---
>>
>> You probably also want to mark it `dma-coherent` (see e.g.
>> x1e80100.dtsi)
> 
> Is it? I don't think SM6150 had dma-coherent SMMU, at least it wasn't
> marked as such.

I don't think I have any documentation on this, so.. one way to find out!

Konrad