imxiic_i2c_exec
sc->i2c_tag.ic_exec = imxiic_i2c_exec;
sc->i2c_tag.ic_exec = imxiic_i2c_exec;
int imxiic_i2c_exec(void *, i2c_op_t, i2c_addr_t, const void *, size_t,
int imxiic_i2c_exec(void *, i2c_op_t, i2c_addr_t, const void *, size_t,