In file included from drivers/char/rio/rio_linux.c:60:
drivers/char/rio/typdef.h:67: error: conflicting types for `paddr_t'
include/asm/mach-xen/asm/page.h:153: error: previous declaration of `paddr_t'
drivers/char/rio/rio_linux.c: In function `fix_rio_pci':
drivers/char/rio/rio_linux.c:976: warning: passing arg 1 of `readl' makes pointer from integer without a cast
drivers/char/rio/rio_linux.c:979: warning: passing arg 2 of `writel' makes pointer from integer without a cast
make[3]: *** [drivers/char/rio/rio_linux.o] Error 1
make[2]: *** [drivers/char/rio] Error 2
make[1]: *** [drivers/char] Error 2
make: *** [drivers] Error 2