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Searched refs:UART_LSR_DR (Results 1 – 25 of 27) sorted by relevance

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/Linux-v5.4/arch/powerpc/boot/
Dns16550.c26 #define UART_LSR_DR 0x01 /* Receiver data ready */ macro
47 while ((in_8(reg_base + (UART_LSR << reg_shift)) & UART_LSR_DR) == 0); in ns16550_getc()
53 return ((in_8(reg_base + (UART_LSR << reg_shift)) & UART_LSR_DR) != 0); in ns16550_tstc()
/Linux-v5.4/drivers/staging/speakup/
Dserialio.c118 while (inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR) { in synth_readbuf_handler()
256 while (!(inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR)) { in spk_serial_in()
271 if (!(lsr & UART_LSR_DR)) in spk_serial_in_nowait()
/Linux-v5.4/drivers/tty/serial/
Dpxa.c90 up->port.read_status_mask &= ~UART_LSR_DR; in serial_pxa_stop_rx()
164 } while ((*status & UART_LSR_DR) && (max_count-- > 0)); in receive_chars()
256 if (lsr & UART_LSR_DR) in serial_pxa_irq()
490 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in serial_pxa_set_termios()
516 up->port.ignore_status_mask |= UART_LSR_DR; in serial_pxa_set_termios()
690 while (!(lsr & UART_LSR_DR)) in serial_pxa_get_poll_char()
Dvr41xx_siu.c265 port->read_status_mask &= ~UART_LSR_DR; in siu_stop_rx()
351 } while ((lsr & UART_LSR_DR) && (max_count-- > 0)); in receive_chars()
423 if (lsr & UART_LSR_DR) in siu_interrupt()
546 port->read_status_mask = UART_LSR_THRE | UART_LSR_OE | UART_LSR_DR; in siu_set_termios()
562 port->ignore_status_mask |= UART_LSR_DR; in siu_set_termios()
Domap-serial.c347 up->port.read_status_mask |= UART_LSR_DR; in serial_omap_stop_tx()
361 up->port.read_status_mask &= ~UART_LSR_DR; in serial_omap_stop_rx()
498 if (likely(lsr & UART_LSR_DR)) in serial_omap_rlsi()
546 if (!(lsr & UART_LSR_DR)) in serial_omap_rdi()
754 if (serial_in(up, UART_LSR) & UART_LSR_DR) in serial_omap_startup()
821 if (serial_in(up, UART_LSR) & UART_LSR_DR) in serial_omap_shutdown()
903 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in serial_omap_set_termios()
929 up->port.ignore_status_mask |= UART_LSR_DR; in serial_omap_set_termios()
1215 if (!(status & UART_LSR_DR)) { in serial_omap_poll_get_char()
1808 (UART_LSR_THRE | UART_LSR_DR))) { in serial_omap_mdr1_errataset()
Dsunsu.c307 up->port.read_status_mask &= ~UART_LSR_DR; in sunsu_stop_rx()
394 } while ((*status & UART_LSR_DR) && (max_count-- > 0)); in receive_chars()
467 if (status & UART_LSR_DR) in sunsu_serial_interrupt()
532 } while (serial_in(up, UART_LSR) & UART_LSR_DR); in receive_kbd_ms_chars()
542 if ((status & UART_LSR_DR) || (status & UART_LSR_BI)) in sunsu_kbd_ms_interrupt()
846 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in sunsu_change_speed()
872 up->port.ignore_status_mask |= UART_LSR_DR; in sunsu_change_speed()
Dserial-tegra.c335 if ((lsr | UART_LSR_TEMT) && !(lsr & UART_LSR_DR)) in tegra_uart_fifo_reset()
456 if (!(lsr & UART_LSR_DR) && (lsr & UART_LSR_FIFOE)) in tegra_uart_decode_rx_error()
644 if (!(lsr & UART_LSR_DR)) in tegra_uart_handle_rx_pio()
657 if (tup->uport.ignore_status_mask & UART_LSR_DR) in tegra_uart_handle_rx_pio()
678 if (tup->uport.ignore_status_mask & UART_LSR_DR) in tegra_uart_copy_rx_to_tty()
1376 tup->uport.ignore_status_mask |= UART_LSR_DR; in tegra_uart_set_termios()
Dpch_uart.c580 i < rx_size && lsr & (UART_LSR_DR | UART_LSR_BI); in pch_uart_hal_read()
1550 if (!(lsr & UART_LSR_DR)) in pch_uart_get_poll_char()
/Linux-v5.4/drivers/tty/serial/8250/
D8250_fsl.c53 if ((lsr & (UART_LSR_DR | UART_LSR_BI)) && in fsl8250_handle_irq()
D8250_aspeed_vuart.c268 if (lsr & (UART_LSR_DR | UART_LSR_BI)) { in aspeed_vuart_handle_irq()
290 } while (lsr & (UART_LSR_DR | UART_LSR_BI)); in aspeed_vuart_handle_irq()
D8250_port.c828 for (count = 0; (serial_in(up, UART_LSR) & UART_LSR_DR) && in size_fifo()
1392 up->port.read_status_mask &= ~UART_LSR_DR; in serial8250_stop_rx()
1645 if (likely(lsr & UART_LSR_DR)) in serial8250_read_char()
1716 } while (lsr & (UART_LSR_DR | UART_LSR_BI)); in serial8250_rx_chars()
1827 if (status & (UART_LSR_DR | UART_LSR_BI)) { in serial8250_handle_irq()
2010 if (!(lsr & UART_LSR_DR)) { in serial8250_get_poll_char()
2602 port->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in serial8250_do_set_termios()
2628 port->ignore_status_mask |= UART_LSR_DR; in serial8250_do_set_termios()
D8250_omap.c188 (UART_LSR_THRE | UART_LSR_DR))) { in omap_8250_mdr1_errataset()
386 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in omap_8250_set_termios()
412 up->port.ignore_status_mask |= UART_LSR_DR; in omap_8250_set_termios()
1067 if (status & (UART_LSR_DR | UART_LSR_BI)) { in omap_8250_dma_handle_irq()
D8250_dw.c244 if (!(status & (UART_LSR_DR | UART_LSR_BI))) in dw8250_handle_irq()
/Linux-v5.4/drivers/mmc/core/
Dsdio_uart.c300 port->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in sdio_uart_change_speed()
326 port->ignore_status_mask |= UART_LSR_DR; in sdio_uart_change_speed()
366 port->read_status_mask &= ~UART_LSR_DR; in sdio_uart_stop_rx()
419 } while ((*status & UART_LSR_DR) && (max_count-- > 0)); in sdio_uart_receive_chars()
534 if (lsr & UART_LSR_DR) in sdio_uart_irq()
/Linux-v5.4/arch/powerpc/platforms/embedded6xx/
Dls_uart.c46 while (in_8(avr_addr + UART_LSR) & UART_LSR_DR) in wd_stop()
/Linux-v5.4/include/uapi/linux/
Dserial_reg.h140 #define UART_LSR_DR 0x01 /* Receiver data ready */ macro
/Linux-v5.4/arch/arm/mach-orion5x/
Dterastation_pro2-setup.c169 while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { in tsp2_miconread()
Dkurobox_pro-setup.c194 while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { in kurobox_pro_miconread()
/Linux-v5.4/drivers/tty/
Damiserial.c260 status = UART_LSR_DR; /* We obviously have a character! */ in receive_chars()
733 info->read_status_mask = UART_LSR_OE | UART_LSR_DR; in change_speed()
758 info->ignore_status_mask |= UART_LSR_DR; in change_speed()
1348 state->read_status_mask &= ~UART_LSR_DR; in rs_close()
Dmxser.c758 info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in mxser_change_speed()
2142 } while (*status & UART_LSR_DR); in mxser_receive_chars()
2285 if (status & UART_LSR_DR) in mxser_interrupt()
/Linux-v5.4/drivers/tty/serial/jsm/
Djsm_neo.c404 if (!(linestatus & UART_LSR_DR)) { in neo_copy_data_from_uart_to_queue()
410 linestatus &= ~UART_LSR_DR; in neo_copy_data_from_uart_to_queue()
845 if (ch->ch_cached_lsr & UART_LSR_DR) { in neo_parse_lsr()
Djsm_cls.c392 if (!(linestatus & UART_LSR_DR)) in cls_copy_data_from_uart_to_queue()
/Linux-v5.4/drivers/media/rc/
Dsir_ir.c231 } while (lsr & UART_LSR_DR); /* data ready */ in sir_interrupt()
/Linux-v5.4/drivers/bluetooth/
Ddtl1_cs.c285 } while (inb(iobase + UART_LSR) & UART_LSR_DR); in dtl1_receive()
/Linux-v5.4/sound/drivers/
Dserial-u16550.c203 while ((status = inb(uart->base + UART_LSR)) & UART_LSR_DR) { in snd_uart16550_io_loop()

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