Lines Matching refs:UART_LSR_DR
760 for (count = 0; (serial_inp(up, UART_LSR) & UART_LSR_DR) &&
1363 up->port.read_status_mask &= ~UART_LSR_DR;
1388 if (likely(lsr & UART_LSR_DR))
1393 * set UART_LSR_BI without setting UART_LSR_DR when
1395 * receive buffer without UART_LSR_DR bit set, we
1448 } while ((lsr & (UART_LSR_DR | UART_LSR_BI)) && (max_count-- > 0));
1530 if (status & (UART_LSR_DR | UART_LSR_BI))
1893 if (!(lsr & UART_LSR_DR))
2310 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
2336 up->port.ignore_status_mask |= UART_LSR_DR;