rcar_i2c_is_recv
int read = !!rcar_i2c_is_recv(priv);
if (rcar_i2c_is_recv(priv))
msr &= (rcar_i2c_is_recv(priv) ? RCAR_IRQ_RECV : RCAR_IRQ_SEND) | RCAR_IRQ_STOP;