Calling Up a Yisroel Instead of a Kohen for The First Aliyah by Shabbos Mincha

The Maharsham (Shu”t, Vol. 1, end of 214) uses the above sugya to explain the minhag of those who wanted to call up a Yisroel instead of a Kohen for the first Aliyah by krias haTorah of Shabbos Mincha.