Re: [PATCH 1/2] arm64: dts: imx8qm-ss-conn: add usbotg3 iommu information

[Emanuele Ghidoli]

On 10/28/26 22:05, Frank Li wrote:
> Does it only impact superspeed? High speed work?

No, it's not even enumerated, on the Dev board.

> 
> Thank you report this problem. Suppose below patch should fix this problem.
> 
> I have not time to test it today.
> 
> 
> Frank

Tested, it doesn't help.

xhci-hcd.1.auto has no fwnode, so platform_dma_configure() never calls
of_dma_configure() and the new code in of_iommu_configure() is never
reached.

Emanuele