arch_has_dev_port  147 arch/arm64/include/asm/io.h #define arch_has_dev_port()	(1)
arch_has_dev_port   24 arch/powerpc/include/asm/io.h #define arch_has_dev_port()	(isa_bridge_pcidev != NULL || isa_io_special)
arch_has_dev_port  111 include/linux/io.h #define arch_has_dev_port()     (1)