On Wed, Mar 25, 2020 at 04:05:41PM -0600, Rob Herring wrote: > Setting 'additionalProperties: false' is frequently omitted, but is > important in order to check that there aren't extra undocumented > properties in a binding. > > Ideally, we'd just add this automatically and make this the default, but > there's some cases where it doesn't work. For example, if a common > schema is referenced, then properties in the common schema aren't part > of what's considered for 'additionalProperties'. Also, sometimes there > are bus specific properties such as 'spi-max-frequency' that go into > bus child nodes, but aren't defined in the child node's schema. Acked-by: Mark Brown