Re: [PATCH] arm64: dts: qcom: x1: split PAS remoteproc iommus out of x1-el2

From: Bjorn Andersson

Date: Sun Nov 08 2026 - 15:42:26 EST



On Mon, 14 Sep 2026 21:42:21 +0200, Jens Glathe wrote:
> The shared x1-el2 overlay currently attaches apps_smmu streams to
> remoteproc_adsp/cdsp so Linux can program those SIDs when PAS is
> used to authenticate and reset the DSPs.
>
> That is wrong for the common WoA EL2 path (slbounce + shipping
> UEFI). There the DSPs are already running from the bootloader and
> the SMMU probe path leaves their SIDs in bypass. Describing iommus
> on the remoteproc nodes replaces that bypass with a translated
> context that is never set up, and boot dies in an SMMU fault storm
> on SID 0x1000 before userspace.
>
> [...]

Applied, thanks!

[1/1] arm64: dts: qcom: x1: split PAS remoteproc iommus out of x1-el2
commit: 8ba94ea5c00168124ba0c96523ecdabcde652e0f

Best regards,
--
Bjorn Andersson <andersson@xxxxxxxxxx>