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