IORESOURCE_MUXED
#define request_muxed_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name), IORESOURCE_MUXED)
__request_region(&iomem_resource, (start), (n), (name), IORESOURCE_MUXED)
if (conflict->flags & flags & IORESOURCE_MUXED) {
if (res->flags & IORESOURCE_MUXED)