Smoking could be normal, consult the instructions for your pads, shoes, discs, drums, etc.
I replaced all four discs and eight pads on my station wagon, and there was a fair bit of smoking during the break in. The instructions noted there may be some. The discs were coated with a LOT of oil, I did my best to scrub it off with Brakleen... and of course, a little dab of anti-sieze on the pads manages to get all over everything as I wrestle them into the clips.
2013 KZ Sportsmen Classic 200, 20 ft TT
2020 RAM 1500, 5.7 4x4, 8 speed