--- arch/mips/pci/pci-yosemite.c

+++ arch/mips/pci/pci-yosemite.c

@@ -54,6 +54,7 @@ static int __init pmc_yosemite_setup(voi

panic(ioremap_failed);

set_io_port_base(io_v_base);

+ py_controller.io_map_base = io_v_base;

TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1);

ioport_resource.end = TITAN_IO_SIZE - 1;