Re: [PATCH v2 1/2] arm64: dts: socfpga: Enable the SMMU for SoCFPGA device trees

From: Nazle Asmade, Muhammad Nazim Amirul

Date: Thu Jun 04 2026 - 22:35:44 EST


On 4/6/2026 8:42 pm, Krzysztof Kozlowski wrote:
> On 04/06/2026 14:00, Nazle Asmade, Muhammad Nazim Amirul wrote:
>> On 4/6/2026 7:15 pm, Krzysztof Kozlowski wrote:
>>> diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
>>> index b06c6d5d60ee..64f3739a0c33 100644
>>> --- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
>>> +++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
>>> @@ -385,7 +385,7 @@ smmu: iommu@16000000 {
>>> interrupt-names = "eventq", "gerror", "priq";
>>> dma-coherent;
>>> #iommu-cells = <1>;
>>> - status = "disabled";
>>> + status = "okay";
>> Hi Krzysztof,
>>
>> The smmu: iommu@16000000 node in socfpga_agilex5.dtsi is defined with
>
> Which file are we discussing here? socfpga_agilex5.dtsi. Then why do you
> refer to the same file?
>
>> status = "disabled" as the default. It was not enabled during the
>> initial Agilex5 bring-up.
>
>
> Best regards,
> Krzysztof
Hi Krzysztof,

Apologies for the confusion. I was referring to socfpga_agilex5.dtsi
itself, and I believe that is what you meant as well — we should simply
remove the status = "disabled" line only, since the default status is
"okay" when not specified.

BR,
Nazim