out_8 30 arch/m68k/include/asm/raw_io.h #define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b)) out_8 66 arch/microblaze/include/asm/io.h #define out_8(a, v) __raw_writeb((v), (a)) out_8 21 arch/powerpc/boot/io.h static inline void out_8(volatile unsigned char *addr, int val)