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Searched refs:xmit_fifo (Results 1 – 25 of 32) sorted by relevance

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/linux/drivers/tty/serial/8250/
H A D8250_pci1xxxx.c456 if (kfifo_len(&tport->xmit_fifo) < UART_BURST_SIZE) in pci1xxxx_process_write_data()
458 if (WARN_ON(kfifo_out(&tport->xmit_fifo, (u8 *)&c, sizeof(c)) != in pci1xxxx_process_write_data()
470 if (!kfifo_get(&tport->xmit_fifo, &c)) in pci1xxxx_process_write_data()
481 kfifo_len(&tport->xmit_fifo) >= UART_BURST_SIZE) in pci1xxxx_process_write_data()
500 if ((uart_tx_stopped(port)) || kfifo_is_empty(&tport->xmit_fifo)) { in pci1xxxx_tx_burst()
506 valid_byte_count = kfifo_len(&tport->xmit_fifo); in pci1xxxx_tx_burst()
513 if (kfifo_is_empty(&tport->xmit_fifo)) in pci1xxxx_tx_burst()
518 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in pci1xxxx_tx_burst()
526 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.c1100 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in omap_8250_dma_tx_complete()
1103 if (!kfifo_is_empty(&tport->xmit_fifo) && !uart_tx_stopped(&p->port)) { in omap_8250_dma_tx_complete()
1131 if (uart_tx_stopped(&p->port) || kfifo_is_empty(&tport->xmit_fifo)) { in omap_8250_tx_dma()
1170 if (kfifo_len(&tport->xmit_fifo) < 4) { in omap_8250_tx_dma()
1182 ret = kfifo_dma_out_prepare_mapped(&tport->xmit_fifo, &sg, 1, UART_XMIT_SIZE, dma->tx_addr); in omap_8250_tx_dma()
1323 kfifo_is_empty(&port->state->port.xmit_fifo)) { in omap_8250_dma_handle_irq()
/linux/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 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 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 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 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 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 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()
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 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 Dserial_port.c27 !kfifo_is_empty(&port->state->port.xmit_fifo); in __serial_port_busy()
H A Dmsm_serial.c489 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in msm_complete_tx_dma()
507 kfifo_dma_out_prepare(&tport->xmit_fifo, &dma->tx_sg, 1, count); in msm_handle_tx_dma()
882 if (kfifo_is_empty(&tport->xmit_fifo)) in msm_handle_tx_pio()
885 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in msm_handle_tx_pio()
916 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) { in msm_handle_tx()
921 dma_count = pio_count = kfifo_out_linear(&tport->xmit_fifo, NULL, in msm_handle_tx()
H A Dserial-tegra.c528 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in tegra_uart_tx_dma_complete()
542 WARN_ON_ONCE(kfifo_out_linear(&tport->xmit_fifo, &tail, in tegra_uart_start_tx_dma()
576 count = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail_ptr, in tegra_uart_start_next_tx()
597 if (!kfifo_is_empty(&tport->xmit_fifo) && !tup->tx_in_progress) in tegra_uart_start_tx()
641 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in tegra_uart_handle_tx_pio()
H A Dsc16is7xx.c664 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) { in sc16is7xx_handle_tx()
680 txlen = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail, txlen); in sc16is7xx_handle_tx()
685 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in sc16is7xx_handle_tx()
688 if (kfifo_is_empty(&tport->xmit_fifo)) in sc16is7xx_handle_tx()
H A Dtegra-tcu.c99 count = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail, in tegra_tcu_uart_start_tx()
H A Dmax310x.c788 if (kfifo_is_empty(&tport->xmit_fifo) || uart_tx_stopped(port)) in max310x_handle_tx()
795 while (!kfifo_is_empty(&tport->xmit_fifo)) { in max310x_handle_tx()
805 to_send = kfifo_out_linear_ptr(&tport->xmit_fifo, &tail, txlen); in max310x_handle_tx()
810 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in max310x_handle_tx()
H A Drda-uart.c354 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in rda_uart_send_chars()
357 if (!kfifo_is_empty(&tport->xmit_fifo)) { in rda_uart_send_chars()
H A Ddz.c280 if (kfifo_len(&tport->xmit_fifo) < DZ_WAKEUP_CHARS) in dz_transmit_chars()
284 if (kfifo_is_empty(&tport->xmit_fifo)) { in dz_transmit_chars()
H A Dmeson_uart.c167 if (!kfifo_is_empty(&tport->xmit_fifo)) { in meson_uart_start_tx()
173 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in meson_uart_start_tx()
H A Dmax3100.c290 if (kfifo_len(&tport->xmit_fifo) < WAKEUP_CHARS) in max3100_work()
296 (!kfifo_is_empty(&tport->xmit_fifo) && in max3100_work()
/linux/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/include/linux/
H A Dtty_port.h118 DECLARE_KFIFO_PTR(xmit_fifo, u8);

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