return in_8(((volatile u8 *)host->base) + (((unsigned)reg) << host->bsteps));
return in_8(host->base + (((unsigned)reg) << host->bsteps));
static inline u8 __kw_read_reg(struct low_i2c_host *host, reg_t reg){	return in_8(((volatile u8 *)host->base)		+ (((unsigned)reg) << host->bsteps));}