On Tue, Jun 11, 2019 at 11:42:50AM +0000, Vitor Soares wrote:

> Since the regmap-i3c.c was already applied in:
>   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git 
> tags/regmap-i3c

> I wonder what is clean way to submit this patch set?

Just mention in the cover letter that it depends on that tag, the point
with the tag is to allow other trees to pull it in if they need it.