This code needs to call iounmap() on one error path.
Fixes: 2173fc7cb681 ("ARM: shmobile: R-Mobile: Add DT support for PM domains")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200923113142.GC1473821@mwanda
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>