Baby feeding for only 5 minutes

A

I have a 6 day old baby and am breastfeeding. He only feeds for 5/10 minutes every hour to 2. Is this normal? He only has about 2 longer (longer than 10 mins) feeds a day. I feed him whenever he wants sometimes every hour sometimes every 3, there is no pattern, I am wondering if anyone else's baby done this? Thanks in advance