Commit: b644c640923b ("Revert "gpio: pxa: Make irq_chip immutable"")
	Fixes tag: Fixes: 20117cf426b6 ("gpio: pxa: Make irq_chip immutableas")
	Has these problem(s):
		- Subject does not match target commit subject
		  Just use
			git log -1 --format='Fixes: %h ("%s")'