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Rosen reported strange dtc warnings that had their origin in an upstream patch to 5.8-rc1. Upon further digging this revealed an ongoing thread [0] discussing the topic: > [...]I don't think we need a bunch of warning fix patches to add > these everywhere. Also, the need for #address-cells pretty much makes > no sense on any modern system. It is a relic from days when the bus > (address) topology and interrupt topology were related. and later on: > So really, we only need to be checking for #address-cells in nodes > with interrupt-map. This patch backports just the patch which removed the warning message (this is from the upstream dtc project [1] - but not the kernel). the patch does not add the checking of the #address-cells in nodes with interrupt-map. [0] <https://lore.kernel.org/linux-devicetree/91e3405245c89f134676449cf3822285798d2ed2.1612189652.git.michal.simek@xilinx.com/> [1] <https://git.kernel.org/pub/scm/utils/dtc/dtc.git/commit/?id=d8d1a9a77863a8c7031ae82a1d461aa78eb72a7b> Link: <https://github.com/openwrt/openwrt/pull/4685> Reported-by: Rosen Penev <rosenp@gmail.com> Signed-off-by: Christian Lamparter <chunkeey@gmail.com>