Re: [PATCH v1] driver core: Demote "Fixed dependency cycle(s)" message to debug level

[Johan Hovold]

[ +CC: Saravana ]

On Fri, Nov 06, 2026 at 04:40:34PM +0800, Songwei Chai wrote:
> fw_devlink detects and relaxes dependency cycles automatically, so this
> is not an error condition requiring user action. On complex DT
> topologies (e.g. CoreSight), this message can fire for many node
> pairs and adds noise to the boot log, even though it's primarily
> useful for debugging. Switch pr_info() to pr_debug() so it stays
> available via dynamic debug when actually needed, without cluttering
> default boot logs.
> 
> For example, on sm8750 this produces 125 such lines in the boot log in
> total, 80 of which are CoreSight-related, e.g.:
> 
> [    0.057190] /soc@0/funnel@10041000: Fixed dependency cycle(s) with /soc@0/stm@10002000
> [    0.057211] /soc@0/stm@10002000: Fixed dependency cycle(s) with /soc@0/funnel@10041000
> [    0.057229] /soc@0/funnel@10041000: Fixed dependency cycle(s) with /soc@0/tpda@10004000
> [    0.057249] /soc@0/tpda@10004000: Fixed dependency cycle(s) with /soc@0/funnel@10041000
> [    0.057254] /soc@0/tpdm@1000f000: Fixed dependency cycle(s) with /soc@0/tpda@10004000
> [    0.057260] /soc@0/tpda@10004000: Fixed dependency cycle(s) with /soc@0/tpdm@1000f000

I reported this elsewhere a while back:

	https://lore.kernel.org/all/Z6t45aOGDkotqM4Z@xxxxxxxxxxxxxxxxxxxx/

Are you sure it's not the coresight bindings that should be fixed?

Johan