Re: [PATCH v3 01/23] dt-bindings: ata: ahci-platform: Drop dma-coherent property declaration

[Rob Herring]

On Thu, May 12, 2022 at 02:17:48AM +0300, Serge Semin wrote:
> It's redundant to have the 'dma-coherent' property explicitly specified in
> the DT schema because it's a generic property described in the core
> DT-schema by which the property is always evaluated.

It is not redundant.

The core schema defines the property (as a boolean), but this schema 
defines it being used in this binding. Otherwise, it won't be allowed.

Rob