[PATCH 2/7] dt-bindings: PCI: Describe ATS property for root complex nodes

[Joerg Roedel]

On Wed, May 24, 2017 at 07:01:38PM +0100, Jean-Philippe Brucker wrote:
> +- ats-supported: if present, the root complex supports the Address
> +  Translation Service (ATS). It is able to interpret the AT field in PCIe
> +  Transaction Layer Packets, and forward Translation Completions or
> +  Invalidation Requests to endpoints.
> +
> +  Device drivers should not enable ATS in endpoints unless this property
> +  is present.

Device drivers should never enable ATS, this is the job of the IOMMU
driver. This should be clarified in the text.