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)