Davidson set for summer return to Glasgow
Davidson joined Newcastle from Glasgow in the summer of 2016 and spent the early part of this season on loan with the Pro 14 outfit.
Director of rugby Dean Richards said: “We thank Andrew for all his efforts with the Falcons and wish him all the best for move in the summer.
“Between now and then we have a huge second half to the Gallagher Premiership season, during which time Andrew will be fully committed to helping push us back up the table.”