Lines Matching defs:watermark
471 /* Restore "Tx FIFO below watermark" interrupt */
518 * "Tx FIFO below watermark" one, disable it
638 * watermark" or "stale" interrupts, disable them
1119 unsigned int rxstale, watermark, mask;
1137 /* RX stale watermark */
1139 watermark = MSM_UART_IPR_STALE_LSB & rxstale;
1143 watermark |= MSM_UART_IPR_RXSTALE_LAST;
1147 watermark |= mask & (rxstale << 2);
1149 msm_write(port, watermark, MSM_UART_IPR);
1151 /* set RX watermark */
1152 watermark = (port->fifosize * 3) / 4;
1153 msm_write(port, watermark, MSM_UART_RFWR);
1155 /* set TX watermark */