carl9170_read_mreg
return carl9170_read_mreg(ar, 1, ®, val);
int carl9170_read_mreg(struct ar9170 *ar, const int nregs,
__err = carl9170_read_mreg(ar, ARRAY_SIZE(name##_regs), \
err = carl9170_read_mreg(ar, ARRAY_SIZE(phy_regs), phy_regs, phy_res);