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

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/linux-6.15/arch/powerpc/boot/
H 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-6.15/drivers/accessibility/speakup/
H 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-6.15/drivers/tty/serial/
H A Dpxa.c87 up->port.read_status_mask &= ~UART_LSR_DR; in serial_pxa_stop_rx()
161 } while ((*status & UART_LSR_DR) && (max_count-- > 0)); in receive_chars()
230 if (lsr & UART_LSR_DR) in serial_pxa_irq()
450 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in serial_pxa_set_termios()
476 up->port.ignore_status_mask |= UART_LSR_DR; in serial_pxa_set_termios()
643 while (!(lsr & UART_LSR_DR)) in serial_pxa_get_poll_char()
H A Domap-serial.c330 up->port.read_status_mask &= ~UART_LSR_DR; in serial_omap_stop_rx()
446 if (likely(lsr & UART_LSR_DR)) { in serial_omap_rlsi()
498 if (!(lsr & UART_LSR_DR)) in serial_omap_rdi()
695 if (serial_in(up, UART_LSR) & UART_LSR_DR) in serial_omap_startup()
759 if (serial_in(up, UART_LSR) & UART_LSR_DR) in serial_omap_shutdown()
825 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in serial_omap_set_termios()
851 up->port.ignore_status_mask |= UART_LSR_DR; in serial_omap_set_termios()
1124 if (!(status & UART_LSR_DR)) { in serial_omap_poll_get_char()
1693 (UART_LSR_THRE | UART_LSR_DR))) { in serial_omap_mdr1_errataset()
H A Dsunsu.c280 up->port.read_status_mask &= ~UART_LSR_DR; in sunsu_stop_rx()
367 } while ((*status & UART_LSR_DR) && (max_count-- > 0)); in receive_chars()
440 if (status & UART_LSR_DR) in sunsu_serial_interrupt()
501 } while (serial_in(up, UART_LSR) & UART_LSR_DR); in receive_kbd_ms_chars()
511 if ((status & UART_LSR_DR) || (status & UART_LSR_BI)) in sunsu_kbd_ms_interrupt()
813 up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in sunsu_change_speed()
839 up->port.ignore_status_mask |= UART_LSR_DR; in sunsu_change_speed()
H A Dserial-tegra.c340 if ((lsr & UART_LSR_TEMT) && !(lsr & UART_LSR_DR)) in tegra_uart_fifo_reset()
461 if (!(lsr & UART_LSR_DR) && (lsr & UART_LSR_FIFOE)) in tegra_uart_decode_rx_error()
654 if (!(lsr & UART_LSR_DR)) in tegra_uart_handle_rx_pio()
667 if (tup->uport.ignore_status_mask & UART_LSR_DR) in tegra_uart_handle_rx_pio()
686 if (tup->uport.ignore_status_mask & UART_LSR_DR) in tegra_uart_copy_rx_to_tty()
1386 tup->uport.ignore_status_mask |= UART_LSR_DR; in tegra_uart_set_termios()
/linux-6.15/drivers/mmc/core/
H A Dsdio_uart.c285 port->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in sdio_uart_change_speed()
311 port->ignore_status_mask |= UART_LSR_DR; in sdio_uart_change_speed()
351 port->read_status_mask &= ~UART_LSR_DR; in sdio_uart_stop_rx()
402 } while ((*status & UART_LSR_DR) && (max_count-- > 0)); in sdio_uart_receive_chars()
517 if (lsr & UART_LSR_DR) in sdio_uart_irq()
/linux-6.15/arch/powerpc/platforms/embedded6xx/
H A Dls_uart.c47 while (in_8(avr_addr + UART_LSR) & UART_LSR_DR) in wd_stop()
/linux-6.15/drivers/tty/serial/8250/
H A D8250_dw.c136 if (!(lsr & UART_LSR_DR)) in dw8250_force_idle()
300 if (!(status & (UART_LSR_DR | UART_LSR_BI))) in dw8250_handle_irq()
312 if (status & (UART_LSR_DR | UART_LSR_BI)) { in dw8250_handle_irq()
H A D8250_fsl.c65 if ((lsr & (UART_LSR_DR | UART_LSR_BI)) && in fsl8250_handle_irq()
H A D8250_aspeed_vuart.c346 if (lsr & (UART_LSR_DR | UART_LSR_BI)) { in aspeed_vuart_handle_irq()
366 } while (lsr & (UART_LSR_DR | UART_LSR_BI)); in aspeed_vuart_handle_irq()
H A D8250_early.c117 if (!(status & UART_LSR_DR)) in early_serial8250_read()
H A D8250_port.c813 for (count = 0; (serial_in(up, UART_LSR) & UART_LSR_DR) && in size_fifo()
1712 if (likely(lsr & UART_LSR_DR)) in serial8250_read_char()
1785 } while (lsr & (UART_LSR_DR | UART_LSR_BI)); in serial8250_rx_chars()
1938 if (status & (UART_LSR_DR | UART_LSR_BI) && !skip_rx) { in serial8250_handle_irq()
2147 if (!(lsr & UART_LSR_DR)) { in serial8250_get_poll_char()
2811 port->read_status_mask = UART_LSR_OE | UART_LSR_DR; in serial8250_do_set_termios()
2837 port->ignore_status_mask |= UART_LSR_DR; in serial8250_do_set_termios()
H A D8250_dma.c81 if (!dma->rx_running && (serial_lsr_in(p) & UART_LSR_DR)) in dma_rx_complete()
H A D8250_omap.c421 up->port.read_status_mask = UART_LSR_OE | UART_LSR_DR; in omap_8250_set_termios()
447 up->port.ignore_status_mask |= UART_LSR_DR; in omap_8250_set_termios()
1270 if ((status & (UART_LSR_DR | UART_LSR_BI)) && in omap_8250_handle_rx_dma()
1290 if ((status & (UART_LSR_DR | UART_LSR_BI)) && in am654_8250_handle_rx_dma()
H A D8250_bcm7271.c809 if ((status & UART_LSR_DR) == 0) { in brcmuart_handle_irq()
857 if ((status & UART_LSR_DR) == 0) { in brcmuart_hrtimer_func()
/linux-6.15/include/uapi/linux/
H A Dserial_reg.h147 #define UART_LSR_DR 0x01 /* Receiver data ready */ macro
/linux-6.15/arch/arm/mach-orion5x/
H A Dterastation_pro2-setup.c169 while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { in tsp2_miconread()
H A Dkurobox_pro-setup.c191 while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { in kurobox_pro_miconread()
/linux-6.15/drivers/tty/
H A Damiserial.c187 status = UART_LSR_DR; /* We obviously have a character! */ in receive_chars()
651 info->read_status_mask = UART_LSR_OE | UART_LSR_DR; in change_speed()
676 info->ignore_status_mask |= UART_LSR_DR; in change_speed()
1238 state->read_status_mask &= ~UART_LSR_DR; in rs_close()
H A Dmxser.c645 info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; in mxser_change_speed()
1550 } while (status & UART_LSR_DR); in mxser_receive_chars_old()
1633 if (status & UART_LSR_DR) in mxser_port_isr()
/linux-6.15/drivers/tty/serial/jsm/
H A Djsm_neo.c405 if (!(linestatus & UART_LSR_DR)) { in neo_copy_data_from_uart_to_queue()
411 linestatus &= ~UART_LSR_DR; in neo_copy_data_from_uart_to_queue()
836 if (ch->ch_cached_lsr & UART_LSR_DR) { in neo_parse_lsr()
H A Djsm_cls.c390 if (!(linestatus & UART_LSR_DR)) in cls_copy_data_from_uart_to_queue()
/linux-6.15/drivers/bluetooth/
H A Ddtl1_cs.c285 } while (inb(iobase + UART_LSR) & UART_LSR_DR); in dtl1_receive()
/linux-6.15/sound/drivers/
H A Dserial-u16550.c201 while ((status = inb(uart->base + UART_LSR)) & UART_LSR_DR) { in snd_uart16550_io_loop()

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