PCI device I/O must be >= 8 bytes in length or they don't work.
Allow the size to be passed in, the default size of 2 or 3
won't work.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Get ready for PCI and other KCS interfaces.
No functional changes, just split the code into the generic KCS code
and the ISA-specific code.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>