On Sunday 05 January 2014, Andrew Lunn wrote: > That would be rather odd. These nodes are in the top level SoC dtsi > file. When they are not used, they have status = "disabled" and are in > the dtb blob with this state. > > The only reason i can think of them not being present at all is if > somebody adds an optimizer to dtc which removed disabled nodes. What > does the device tree spec say about that? Are we relying on undefined > dtc behavior? There is no requirement to use the include files. If someone decides to ship a default dtb file in their boot loader, it wouldn't be a bug to leave the nodes out entirely. Arn -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html