On 23/02/2024 15:17, Laurent Pinchart wrote: > On Fri, Feb 23, 2024 at 04:16:31PM +0200, Laurent Pinchart wrote: >> Hi Alexander, >> >> Thank you for the patch. >> >> On Fri, Feb 23, 2024 at 03:04:44PM +0100, Alexander Stein wrote: >>> In case the hardware only supports just one pipeline, allow using a >>> single port node as well. >> >> This is frowned upon in DT bindings, as it makes them more complicated >> for little gain. The recommendation is to always use a ports node if a >> device can have multiple ports for at least one of its compatibles. > > And reading the cover letter, I see this causes warnings. I think we > need guidance from Rob on this. Here was similar case: https://lore.kernel.org/all/20240227142440.GA3863852-robh@xxxxxxxxxx/ and @Rob recommendation was to just use ports. It's true it causes warnings... or I should say - it was causing warnings (one of my last warnings in Samsung DTS for W=1). I wonder what's the base of this patchset? https://lore.kernel.org/linux-samsung-soc/20231122-dtc-warnings-v2-1-bd4087325392@xxxxxxxxxx/ Best regards, Krzysztof