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Searched refs:UART_LSR_DR (Results 1 – 25 of 28) sorted by relevance

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/linux/arch/powerpc/boot/
A Dns16550.c27 #define UART_LSR_DR 0x01 /* Receiver data ready */ macro
48 while ((in_8(reg_base + (UART_LSR << reg_shift)) & UART_LSR_DR) == 0); in ns16550_getc()
54 return ((in_8(reg_base + (UART_LSR << reg_shift)) & UART_LSR_DR) != 0); in ns16550_tstc()
/linux/drivers/accessibility/speakup/
A Dserialio.c120 while (inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR) { in synth_readbuf_handler()
258 while (!(inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR)) { in spk_serial_in()
273 if (!(lsr & UART_LSR_DR)) in spk_serial_in_nowait()
/linux/drivers/tty/serial/
A Dpxa.c86 up->port.read_status_mask &= ~UART_LSR_DR; in serial_pxa_stop_rx()
160 } while ((*status & UART_LSR_DR) && (max_count-- > 0)); in receive_chars()
252 if (lsr & UART_LSR_DR) in serial_pxa_irq()
486 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in serial_pxa_set_termios()
512 up->port.ignore_status_mask |= UART_LSR_DR; in serial_pxa_set_termios()
686 while (!(lsr & UART_LSR_DR)) in serial_pxa_get_poll_char()
A Dvr41xx_siu.c261 port->read_status_mask &= ~UART_LSR_DR; in siu_stop_rx()
347 } while ((lsr & UART_LSR_DR) && (max_count-- > 0)); in receive_chars()
419 if (lsr & UART_LSR_DR) in siu_interrupt()
542 port->read_status_mask = UART_LSR_THRE | UART_LSR_OE | UART_LSR_DR; in siu_set_termios()
558 port->ignore_status_mask |= UART_LSR_DR; in siu_set_termios()
A Domap-serial.c335 up->port.read_status_mask &= ~UART_LSR_DR; in serial_omap_stop_rx()
471 if (likely(lsr & UART_LSR_DR)) { in serial_omap_rlsi()
524 if (!(lsr & UART_LSR_DR)) in serial_omap_rdi()
722 if (serial_in(up, UART_LSR) & UART_LSR_DR) in serial_omap_startup()
786 if (serial_in(up, UART_LSR) & UART_LSR_DR) in serial_omap_shutdown()
866 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in serial_omap_set_termios()
892 up->port.ignore_status_mask |= UART_LSR_DR; in serial_omap_set_termios()
1168 if (!(status & UART_LSR_DR)) { in serial_omap_poll_get_char()
1741 (UART_LSR_THRE | UART_LSR_DR))) { in serial_omap_mdr1_errataset()
A Dsunsu.c303 up->port.read_status_mask &= ~UART_LSR_DR; in sunsu_stop_rx()
390 } while ((*status & UART_LSR_DR) && (max_count-- > 0)); in receive_chars()
463 if (status & UART_LSR_DR) in sunsu_serial_interrupt()
524 } while (serial_in(up, UART_LSR) & UART_LSR_DR); in receive_kbd_ms_chars()
534 if ((status & UART_LSR_DR) || (status & UART_LSR_BI)) in sunsu_kbd_ms_interrupt()
838 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in sunsu_change_speed()
864 up->port.ignore_status_mask |= UART_LSR_DR; in sunsu_change_speed()
A Dserial-tegra.c341 if ((lsr & UART_LSR_TEMT) && !(lsr & UART_LSR_DR)) in tegra_uart_fifo_reset()
462 if (!(lsr & UART_LSR_DR) && (lsr & UART_LSR_FIFOE)) in tegra_uart_decode_rx_error()
651 if (!(lsr & UART_LSR_DR)) in tegra_uart_handle_rx_pio()
664 if (tup->uport.ignore_status_mask & UART_LSR_DR) in tegra_uart_handle_rx_pio()
683 if (tup->uport.ignore_status_mask & UART_LSR_DR) in tegra_uart_copy_rx_to_tty()
1393 tup->uport.ignore_status_mask |= UART_LSR_DR; in tegra_uart_set_termios()
/linux/drivers/mmc/core/
A 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/arch/powerpc/platforms/embedded6xx/
A Dls_uart.c46 while (in_8(avr_addr + UART_LSR) & UART_LSR_DR) in wd_stop()
/linux/drivers/tty/serial/8250/
A D8250_omap.c207 (UART_LSR_THRE | UART_LSR_DR))) { in omap_8250_mdr1_errataset()
405 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in omap_8250_set_termios()
431 up->port.ignore_status_mask |= UART_LSR_DR; in omap_8250_set_termios()
798 port->read_status_mask |= UART_LSR_DR; in omap_8250_unthrottle()
1135 if ((status & (UART_LSR_DR | UART_LSR_BI)) && in omap_8250_handle_rx_dma()
1152 if ((status & (UART_LSR_DR | UART_LSR_BI)) && in am654_8250_handle_rx_dma()
A D8250_fsl.c52 if ((lsr & (UART_LSR_DR | UART_LSR_BI)) && in fsl8250_handle_irq()
A D8250_port.c869 for (count = 0; (serial_in(up, UART_LSR) & UART_LSR_DR) && in size_fifo()
1438 up->port.read_status_mask &= ~UART_LSR_DR; in serial8250_stop_rx()
1717 if (likely(lsr & UART_LSR_DR)) in serial8250_read_char()
1788 } while (lsr & (UART_LSR_DR | UART_LSR_BI)); in serial8250_rx_chars()
1922 !(port->read_status_mask & UART_LSR_DR)) in serial8250_handle_irq()
1925 if (status & (UART_LSR_DR | UART_LSR_BI) && !skip_rx) { in serial8250_handle_irq()
2109 if (!(lsr & UART_LSR_DR)) { in serial8250_get_poll_char()
2793 port->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in serial8250_do_set_termios()
2819 port->ignore_status_mask |= UART_LSR_DR; in serial8250_do_set_termios()
A D8250_aspeed_vuart.c344 if (lsr & (UART_LSR_DR | UART_LSR_BI)) { in aspeed_vuart_handle_irq()
364 } while (lsr & (UART_LSR_DR | UART_LSR_BI)); in aspeed_vuart_handle_irq()
A D8250_early.c123 if (!(status & UART_LSR_DR)) in early_serial8250_read()
A D8250_bcm7271.c791 if ((status & UART_LSR_DR) == 0) { in brcmuart_handle_irq()
839 if ((status & UART_LSR_DR) == 0) { in brcmuart_hrtimer_func()
A D8250_dw.c258 if (!(status & (UART_LSR_DR | UART_LSR_BI))) in dw8250_handle_irq()
/linux/include/uapi/linux/
A Dserial_reg.h141 #define UART_LSR_DR 0x01 /* Receiver data ready */ macro
/linux/drivers/tty/
A Damiserial.c186 status = UART_LSR_DR; /* We obviously have a character! */ in receive_chars()
656 info->read_status_mask = UART_LSR_OE | UART_LSR_DR; in change_speed()
681 info->ignore_status_mask |= UART_LSR_DR; in change_speed()
1244 state->read_status_mask &= ~UART_LSR_DR; in rs_close()
A Dmxser.c649 info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in mxser_change_speed()
1616 } while (status & UART_LSR_DR); in mxser_receive_chars_old()
1706 if (status & UART_LSR_DR) in mxser_port_isr()
/linux/arch/arm/mach-orion5x/
A Dterastation_pro2-setup.c169 while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { in tsp2_miconread()
A Dkurobox_pro-setup.c194 while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { in kurobox_pro_miconread()
/linux/drivers/tty/serial/jsm/
A 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()
847 if (ch->ch_cached_lsr & UART_LSR_DR) { in neo_parse_lsr()
A Djsm_cls.c392 if (!(linestatus & UART_LSR_DR)) in cls_copy_data_from_uart_to_queue()
/linux/drivers/bluetooth/
A Ddtl1_cs.c285 } while (inb(iobase + UART_LSR) & UART_LSR_DR); in dtl1_receive()
/linux/sound/drivers/
A Dserial-u16550.c201 while ((status = inb(uart->base + UART_LSR)) & UART_LSR_DR) { in snd_uart16550_io_loop()

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