Re: [PATCH 1/2] PCI: dwc: Allow drivers to skip MEM outbound iATU setup

[Manivannan Sadhasivam]

On Thu, Aug 27, 2026 at 01:54:47PM +0800, Xincheng Zhang wrote:
> Some DWC-based controllers do not require outbound iATU windows for MEM
> transactions. For those platforms, programming outbound iATU windows for
> host bridge MEM ranges is unnecessary and may constrain the available MEM
> aperture.
> 

Can you elaborate why the outbound iATU mapping is not required? Are they using
ECAM or some other custom mapping scheme?

- Mani

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