Drop the special mv_ioport_map() implementation, as this can simply use
__set_io_port_base() directly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
        plat_irq_setup_pins(IRQ_MODE_IRQ);
 }
 
-static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)
+static void __init shmin_setup(char **cmdline_p)
 {
-       static int dummy;
-
-       if ((port & ~0x1f) == SHMIN_NE_BASE)
-               return (void __iomem *)(SHMIN_IO_BASE + port);
-
-       dummy = 0;
-
-       return &dummy;
-
+       __set_io_port_base(SHMIN_IO_BASE);
 }
 
 static struct sh_machine_vector mv_shmin __initmv = {
        .mv_name        = "SHMIN",
+       .mv_setup       = shmin_setup,
        .mv_init_irq    = init_shmin_irq,
-       .mv_ioport_map  = shmin_ioport_map,
 };