#ifndef request_muxed_region
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 28)
#define request_muxed_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))
#ifndef request_muxed_region
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 28)
#define request_muxed_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name))