RCANFD_RFCC
cc = rcar_canfd_read(priv->base, RCANFD_RFCC(gpriv, ridx));
RCANFD_RFCC(gpriv, ridx),
rcar_canfd_set_bit(priv->base, RCANFD_RFCC(gpriv, ridx), RCANFD_RFCC_RFE);
rcar_canfd_clear_bit(priv->base, RCANFD_RFCC(gpriv, ridx), RCANFD_RFCC_RFE);
rcar_canfd_set_bit(priv->base, RCANFD_RFCC(gpriv, ridx),
#define RCANFD_RFSTS(gpriv, x) (RCANFD_RFCC(gpriv, x) + 0x20)
#define RCANFD_RFPCTR(gpriv, x) (RCANFD_RFCC(gpriv, x) + 0x40)
rcar_canfd_write(gpriv->base, RCANFD_RFCC(gpriv, ridx), cfg);