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Searched refs:xmit_fifo (Results 1 – 25 of 63) sorted by relevance

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/linux-6.15/drivers/usb/host/
H A Dxhci-dbgtty.c32 len = kfifo_len(&port->port.xmit_fifo); in dbc_kfifo_to_req()
42 len = kfifo_out(&port->port.xmit_fifo, packet, len); in dbc_kfifo_to_req()
300 written = kfifo_in(&port->port.xmit_fifo, buf, count); in dbc_tty_write()
303 port->tx_boundary = kfifo_len(&port->port.xmit_fifo); in dbc_tty_write()
320 status = kfifo_put(&port->port.xmit_fifo, ch); in dbc_tty_put_char()
343 room = kfifo_avail(&port->port.xmit_fifo); in dbc_tty_write_room()
360 chars = kfifo_len(&port->port.xmit_fifo); in dbc_tty_chars_in_buffer()
491 ret = kfifo_alloc(&port->port.xmit_fifo, DBC_WRITE_BUF_SIZE, in xhci_dbc_tty_register_device()
521 kfifo_free(&port->port.xmit_fifo); in xhci_dbc_tty_register_device()
546 kfifo_free(&port->port.xmit_fifo); in xhci_dbc_tty_unregister_device()
/linux-6.15/drivers/tty/serial/8250/
H A D8250_pci1xxxx.c455 if (kfifo_len(&tport->xmit_fifo) < UART_BURST_SIZE) in pci1xxxx_process_write_data()
457 if (WARN_ON(kfifo_out(&tport->xmit_fifo, (u8 *)&c, sizeof(c)) != in pci1xxxx_process_write_data()
469 if (!kfifo_get(&tport->xmit_fifo, &c)) in pci1xxxx_process_write_data()
480 kfifo_len(&tport->xmit_fifo) >= UART_BURST_SIZE) in pci1xxxx_process_write_data()
499 if ((uart_tx_stopped(port)) || kfifo_is_empty(&tport->xmit_fifo)) { in pci1xxxx_tx_burst()
505 valid_byte_count = kfifo_len(&tport->xmit_fifo); in pci1xxxx_tx_burst()
512 if (kfifo_is_empty(&tport->xmit_fifo)) in pci1xxxx_tx_burst()
517 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in pci1xxxx_tx_burst()
525 if (kfifo_is_empty(&tport->xmit_fifo) && in pci1xxxx_tx_burst()
H A D8250_dma.c31 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in __dma_tx_complete()
108 if (uart_tx_stopped(&p->port) || kfifo_is_empty(&tport->xmit_fifo)) { in serial8250_tx_dma()
117 ret = kfifo_dma_out_prepare_mapped(&tport->xmit_fifo, sgl, ARRAY_SIZE(sgl), in serial8250_tx_dma()
H A D8250_omap.c1128 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in omap_8250_dma_tx_complete()
1131 if (!kfifo_is_empty(&tport->xmit_fifo) && !uart_tx_stopped(&p->port)) { in omap_8250_dma_tx_complete()
1161 if (uart_tx_stopped(&p->port) || kfifo_is_empty(&tport->xmit_fifo)) { in omap_8250_tx_dma()
1177 ret = kfifo_dma_out_prepare_mapped(&tport->xmit_fifo, &sg, 1, in omap_8250_tx_dma()
1214 if (!kfifo_get(&tport->xmit_fifo, &c)) { in omap_8250_tx_dma()
1220 kfifo_dma_out_prepare_mapped(&tport->xmit_fifo, &sg, 1, in omap_8250_tx_dma()
1341 kfifo_is_empty(&up->port.state->port.xmit_fifo)) { in omap_8250_dma_handle_irq()
/linux-6.15/drivers/tty/serial/
H A Dsunhv.c47 while (kfifo_peek(&tport->xmit_fifo, &ch)) { in transmit_chars_putchar()
59 while (!kfifo_is_empty(&tport->xmit_fifo)) { in transmit_chars_write()
63 len = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail, in transmit_chars_write()
210 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) in transmit_chars()
215 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in transmit_chars()
H A Dmen_z135_uart.c303 if (kfifo_is_empty(&tport->xmit_fifo)) in men_z135_handle_tx()
313 qlen = kfifo_len(&tport->xmit_fifo); in men_z135_handle_tx()
345 n = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail, in men_z135_handle_tx()
352 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in men_z135_handle_tx()
356 if (!kfifo_is_empty(&tport->xmit_fifo)) in men_z135_handle_tx()
H A Dtimbuart.c119 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) in timbuart_handle_tx_port()
130 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in timbuart_handle_tx_port()
141 if (!kfifo_is_empty(&tport->xmit_fifo)) in timbuart_handle_tx_port()
H A Dmilbeaut_usio.c90 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) { in mlb_usio_tx_chars()
114 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in mlb_usio_tx_chars()
117 if (kfifo_is_empty(&tport->xmit_fifo)) in mlb_usio_tx_chars()
H A Dsunplus-uart.c212 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) { in transmit_chars()
226 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in transmit_chars()
229 if (kfifo_is_empty(&tport->xmit_fifo)) in transmit_chars()
H A Dar933x_uart.c402 (up->port.x_char || !kfifo_is_empty(&tport->xmit_fifo))) { in ar933x_uart_tx_chars()
430 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in ar933x_uart_tx_chars()
433 if (!kfifo_is_empty(&tport->xmit_fifo)) { in ar933x_uart_tx_chars()
H A Dimx.c547 if (kfifo_is_empty(&tport->xmit_fifo) || in imx_uart_transmit_buffer()
576 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in imx_uart_transmit_buffer()
579 if (kfifo_is_empty(&tport->xmit_fifo)) in imx_uart_transmit_buffer()
605 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in imx_uart_dma_tx_callback()
608 if (!kfifo_is_empty(&tport->xmit_fifo) && in imx_uart_dma_tx_callback()
639 sport->tx_bytes = kfifo_len(&tport->xmit_fifo); in imx_uart_dma_tx()
640 sport->dma_tx_nents = kfifo_dma_out_prepare(&tport->xmit_fifo, sgl, in imx_uart_dma_tx()
679 if (!sport->port.x_char && kfifo_is_empty(&tport->xmit_fifo)) in imx_uart_start_tx()
755 if (!kfifo_is_empty(&tport->xmit_fifo) && in imx_uart_start_tx()
H A Dpic32_uart.c360 if (kfifo_is_empty(&tport->xmit_fifo)) in pic32_uart_do_tx()
384 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in pic32_uart_do_tx()
387 if (kfifo_is_empty(&tport->xmit_fifo)) in pic32_uart_do_tx()
H A Dfsl_linflexuart.c185 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in linflex_transmit_buffer()
188 if (kfifo_is_empty(&tport->xmit_fifo)) in linflex_transmit_buffer()
214 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(sport)) { in linflex_txint()
H A Dqcom_geni_serial.c645 if (kfifo_is_empty(&tport->xmit_fifo)) in qcom_geni_serial_start_tx_dma()
648 xmit_size = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail, in qcom_geni_serial_start_tx_dma()
939 pending = kfifo_len(&tport->xmit_fifo); in qcom_geni_serial_handle_tx_fifo()
988 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in qcom_geni_serial_handle_tx_fifo()
1002 if (!kfifo_is_empty(&tport->xmit_fifo)) in qcom_geni_serial_handle_tx_dma()
1005 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in qcom_geni_serial_handle_tx_dma()
H A Dserial_port.c27 !kfifo_is_empty(&port->state->port.xmit_fifo); in __serial_port_busy()
H A Damba-pl011.c572 kfifo_is_empty(&tport->xmit_fifo)) { in pl011_dma_tx_callback()
611 count = kfifo_len(&tport->xmit_fifo); in pl011_dma_tx_refill()
627 count = kfifo_out_peek(&tport->xmit_fifo, dmatx->buf, count); in pl011_dma_tx_refill()
670 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in pl011_dma_tx_refill()
1515 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(&uap->port)) { in pl011_tx_chars()
1530 if (!kfifo_peek(&tport->xmit_fifo, &c)) in pl011_tx_chars()
1536 kfifo_skip(&tport->xmit_fifo); in pl011_tx_chars()
1539 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in pl011_tx_chars()
1542 if (kfifo_is_empty(&tport->xmit_fifo)) { in pl011_tx_chars()
H A Dclps711x.c159 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) { in uart_clps711x_int_tx()
177 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in uart_clps711x_int_tx()
H A Ddigicolor-usart.c198 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) { in digicolor_uart_tx()
210 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in digicolor_uart_tx()
H A Ducc_uart.c361 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) { in qe_uart_tx_pump()
370 !kfifo_is_empty(&tport->xmit_fifo)) { in qe_uart_tx_pump()
385 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in qe_uart_tx_pump()
388 if (kfifo_is_empty(&tport->xmit_fifo)) { in qe_uart_tx_pump()
H A Dsunsab.c255 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(&up->port)) { in transmit_chars()
280 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in transmit_chars()
283 if (kfifo_is_empty(&tport->xmit_fifo)) in transmit_chars()
442 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) in sunsab_start_tx()
/linux-6.15/drivers/mmc/core/
H A Dsdio_uart.c71 struct kfifo xmit_fifo; member
93 if (kfifo_alloc(&port->xmit_fifo, FIFO_SIZE, GFP_KERNEL)) in sdio_uart_add_port()
409 struct kfifo *xmit = &port->xmit_fifo; in sdio_uart_transmit_chars()
588 kfifo_reset(&port->xmit_fifo); in sdio_uart_activate()
695 kfifo_free(&port->xmit_fifo); in sdio_uart_port_destroy()
768 ret = kfifo_in_locked(&port->xmit_fifo, buf, count, &port->write_lock); in sdio_uart_write()
785 return FIFO_SIZE - kfifo_len(&port->xmit_fifo); in sdio_uart_write_room()
791 return kfifo_len(&port->xmit_fifo); in sdio_uart_chars_in_buffer()
/linux-6.15/drivers/tty/
H A Dmxser.c797 kfifo_reset(&port->xmit_fifo); in mxser_activate()
886 kfifo_reset(&info->port.xmit_fifo); in mxser_flush_buffer()
909 written = kfifo_in(&info->port.xmit_fifo, buf, count); in mxser_write()
910 is_empty = kfifo_is_empty(&info->port.xmit_fifo); in mxser_write()
927 ret = kfifo_put(&info->port.xmit_fifo, ch); in mxser_put_char()
949 return kfifo_avail(&info->port.xmit_fifo); in mxser_write_room()
956 return kfifo_len(&info->port.xmit_fifo); in mxser_chars_in_buffer()
1345 if (!kfifo_is_empty(&info->port.xmit_fifo)) in mxser_start()
1587 if (!kfifo_get(&port->port.xmit_fifo, &c)) in mxser_transmit_chars()
1594 if (kfifo_len(&port->port.xmit_fifo) < WAKEUP_CHARS) in mxser_transmit_chars()
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H A Dtty_port.c252 kfifo_init(&port->xmit_fifo, port->xmit_buf, PAGE_SIZE); in tty_port_alloc_xmit_buf()
266 INIT_KFIFO(port->xmit_fifo); in tty_port_free_xmit_buf()
/linux-6.15/include/linux/
H A Dserial_core.h843 kfifo_skip_count(&tport->xmit_fifo, chars); in uart_xmit_advance()
852 chars = kfifo_out(&tport->xmit_fifo, buf, chars); in uart_fifo_out()
864 chars = kfifo_get(&tport->xmit_fifo, ch); in uart_fifo_get()
919 if (!kfifo_get(&__tport->xmit_fifo, &(ch))) \
927 pending = kfifo_len(&__tport->xmit_fifo); \
/linux-6.15/drivers/tty/serial/jsm/
H A Djsm_neo.c491 if (kfifo_is_empty(&tport->xmit_fifo)) in neo_copy_data_from_queue_to_uart()
507 WARN_ON_ONCE(!kfifo_get(&tport->xmit_fifo, &c)); in neo_copy_data_from_queue_to_uart()
522 qlen = kfifo_len(&tport->xmit_fifo); in neo_copy_data_from_queue_to_uart()
528 s = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail, n); in neo_copy_data_from_queue_to_uart()
533 kfifo_skip_count(&tport->xmit_fifo, s); in neo_copy_data_from_queue_to_uart()
542 if (kfifo_is_empty(&tport->xmit_fifo)) in neo_copy_data_from_queue_to_uart()

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