Lines Matching refs:is_empty
368 * @is_empty: char pointer to return whether the RX FIFO is empty
377 static char __ssp_receive_char(struct sifive_serial_port *ssp, char *is_empty)
384 if (!is_empty)
387 *is_empty = (v & SIFIVE_SERIAL_RXDATA_EMPTY_MASK) >>
407 char is_empty;
412 ch = __ssp_receive_char(ssp, &is_empty);
413 if (is_empty)
716 char is_empty, ch;
718 ch = __ssp_receive_char(ssp, &is_empty);
719 if (is_empty)