The goal is to always upstream every driver (and we do a pretty good job at that). Depending on the lineage of the software (who developed it, what they develop

The goal is to always upstream every driver (and we do a pretty good job at that). Depending on the lineage of the software (who developed it, what they developed it for) - it may not be possible to meet the kernel coding guidelines - so we don't send those upstream. Disclaimer - I work at ADI.