Lines Matching refs:is_empty
398 * @is_empty: char pointer to return whether the RX FIFO is empty
407 static char __ssp_receive_char(struct sifive_serial_port *ssp, char *is_empty)
414 if (!is_empty)
417 *is_empty = (v & SIFIVE_SERIAL_RXDATA_EMPTY_MASK) >>
438 char is_empty;
442 ch = __ssp_receive_char(ssp, &is_empty);
443 if (is_empty)
740 char is_empty, ch;
742 ch = __ssp_receive_char(ssp, &is_empty);
743 if (is_empty)