Wait, come to think of it, Madara released himself from the jutsu. Could he release Minato from it as well?
If Minato had control over his body like Madara has, we need to think of the variables on both sides.
We can assume Madara has human path, but since we haven't actually seen it, I'll take it out of the equation. He probably has other sealing techniques as well, but whateves.
Madara has wood dragon, fire/water/earth jutsu, infinate chakra, immortality, multiple mokuton clones, perfect susanoo, meteroites, the preta path, and genjutsu.
Minato has infinate chakra, half of kurama's chakra, rasengan, few clones, RDS, and ftg.
On one hand, Madara clearly has the more power, but not a single sealing technique we know of (besides probably human path).
Minato has a lot less power (tbh), but has a sealing technique. Seeing how strong Madara is, only one of the RDS's caliber would probably hold Madara permanently. But as fast as Minato is, RDS is a slow technique, and if Minato activates the jutsu, Madara could just break lose and just lose arms like Orochimaru did, and Minato would lose his life. So Minato would probably know that's a bad idea against someone like him and do nothing.
So without human path or the suspection that Madara has at least a basic sealing technique, this will be a annoyingly long fight. Mostly Minato dodging and thinking, "You know? Getting hit with meteorites that destroy my seals suck."
While Madara is thinking, "Blondes are annoying. If I had just went to sealing practice with my bro, this wouldn't happen."
But, Madara probably has Human path and that should be able to seal Minato.