Lines Matching +full:oe +full:- +full:extra +full:- +full:delay
1 // SPDX-License-Identifier: GPL-2.0+
3 * SC16IS7xx tty serial driver - Copyright (C) 2014 GridPoint
13 #include <linux/delay.h>
47 * - only on 75x/76x
50 * - only on 75x/76x
53 * - only on 75x/76x
56 * - only on 75x/76x
58 #define SC16IS7XX_EFCR_REG (0x0f) /* Extra Features Control */
84 /* IER register bits - write only if (EFR[4] == 1) */
97 /* FCR register bits - write only if (EFR[4] == 1) */
107 #define SC16IS7XX_IIR_RTOI_SRC 0x0c /* RX time-out interrupt */
109 * - only on 75x/76x
112 * - only on 75x/76x
124 * 00 -> 5 bit words
125 * 01 -> 6 bit words
126 * 10 -> 7 bit words
127 * 11 -> 8 bit words
132 * 0 -> 1 stop bit
133 * 1 -> 1-1.5 stop bits if
139 #define SC16IS7XX_LCR_FORCEPARITY_BIT (1 << 5) /* 9-bit multidrop parity */
153 * - only on 75x/76x
159 * - write enabled
163 * - write enabled
167 * - write enabled
177 #define SC16IS7XX_LSR_BRK_ERROR_MASK 0x1E /* BI, FE, PE, OE bits */
186 * - only on 75x/76x
190 * - only on 75x/76x
194 * - only on 75x/76x
198 * - only on 75x/76x
201 * - only on 75x/76x
204 * - only on 75x/76x
213 * no built-in hardware check to make sure this condition is met. Also, the TCR
228 * trigger level setting defined in FCR. If TLR has non-zero trigger level value
244 #define SC16IS7XX_EFCR_9BIT_MODE_BIT (1 << 0) /* Enable 9-bit or Multidrop
252 * - Only 750/760
254 * - Only 760
269 * 00 -> no transmitter flow
271 * 01 -> transmitter generates
273 * 10 -> transmitter generates
275 * 11 -> transmitter generates
283 * 00 -> no received flow
285 * 01 -> receiver compares
287 * 10 -> receiver compares
289 * 11 -> receiver compares
351 return one->line; in sc16is7xx_line()
356 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_port_read()
360 regmap_read(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line, &val); in sc16is7xx_port_read()
367 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_port_write()
370 regmap_write(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line, val); in sc16is7xx_port_write()
375 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_fifo_read()
379 regcache_cache_bypass(s->regmap, true); in sc16is7xx_fifo_read()
380 regmap_raw_read(s->regmap, addr, s->buf, rxlen); in sc16is7xx_fifo_read()
381 regcache_cache_bypass(s->regmap, false); in sc16is7xx_fifo_read()
386 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_fifo_write()
391 * Don't send zero-length data, at least on SPI it confuses the chip in sc16is7xx_fifo_write()
397 regcache_cache_bypass(s->regmap, true); in sc16is7xx_fifo_write()
398 regmap_raw_write(s->regmap, addr, s->buf, to_send); in sc16is7xx_fifo_write()
399 regcache_cache_bypass(s->regmap, false); in sc16is7xx_fifo_write()
405 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_port_update()
408 regmap_update_bits(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line, in sc16is7xx_port_update()
494 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_set_baud()
497 unsigned long clk = port->uartclk, div = clk / 16 / baud; in sc16is7xx_set_baud()
517 mutex_lock(&s->efr_lock); in sc16is7xx_set_baud()
526 regcache_cache_bypass(s->regmap, true); in sc16is7xx_set_baud()
529 regcache_cache_bypass(s->regmap, false); in sc16is7xx_set_baud()
534 mutex_unlock(&s->efr_lock); in sc16is7xx_set_baud()
545 regcache_cache_bypass(s->regmap, true); in sc16is7xx_set_baud()
548 regcache_cache_bypass(s->regmap, false); in sc16is7xx_set_baud()
559 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_handle_rx()
563 if (unlikely(rxlen >= sizeof(s->buf))) { in sc16is7xx_handle_rx()
564 dev_warn_ratelimited(port->dev, in sc16is7xx_handle_rx()
566 port->line, rxlen); in sc16is7xx_handle_rx()
567 port->icount.buf_overrun++; in sc16is7xx_handle_rx()
569 rxlen = sizeof(s->buf); in sc16is7xx_handle_rx()
582 s->buf[0] = sc16is7xx_port_read(port, SC16IS7XX_RHR_REG); in sc16is7xx_handle_rx()
591 port->icount.rx++; in sc16is7xx_handle_rx()
596 port->icount.brk++; in sc16is7xx_handle_rx()
600 port->icount.parity++; in sc16is7xx_handle_rx()
602 port->icount.frame++; in sc16is7xx_handle_rx()
604 port->icount.overrun++; in sc16is7xx_handle_rx()
606 lsr &= port->read_status_mask; in sc16is7xx_handle_rx()
618 ch = s->buf[i]; in sc16is7xx_handle_rx()
622 if (lsr & port->ignore_status_mask) in sc16is7xx_handle_rx()
628 rxlen -= bytes_read; in sc16is7xx_handle_rx()
631 tty_flip_buffer_push(&port->state->port); in sc16is7xx_handle_rx()
636 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_handle_tx()
637 struct circ_buf *xmit = &port->state->xmit; in sc16is7xx_handle_tx()
640 if (unlikely(port->x_char)) { in sc16is7xx_handle_tx()
641 sc16is7xx_port_write(port, SC16IS7XX_THR_REG, port->x_char); in sc16is7xx_handle_tx()
642 port->icount.tx++; in sc16is7xx_handle_tx()
643 port->x_char = 0; in sc16is7xx_handle_tx()
656 dev_err_ratelimited(port->dev, in sc16is7xx_handle_tx()
664 port->icount.tx += to_send; in sc16is7xx_handle_tx()
668 s->buf[i] = xmit->buf[xmit->tail]; in sc16is7xx_handle_tx()
669 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); in sc16is7xx_handle_tx()
681 struct uart_port *port = &s->p[portno].port; in sc16is7xx_port_irq()
701 * time-out interrupt but no data in the FIFO. This is in sc16is7xx_port_irq()
717 dev_err_ratelimited(port->dev, in sc16is7xx_port_irq()
719 port->line, iir); in sc16is7xx_port_irq()
730 mutex_lock(&s->efr_lock); in sc16is7xx_irq()
736 for (i = 0; i < s->devtype->nr_uart; ++i) in sc16is7xx_irq()
742 mutex_unlock(&s->efr_lock); in sc16is7xx_irq()
749 struct uart_port *port = &(to_sc16is7xx_one(ws, tx_work)->port); in sc16is7xx_tx_proc()
750 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_tx_proc()
752 if ((port->rs485.flags & SER_RS485_ENABLED) && in sc16is7xx_tx_proc()
753 (port->rs485.delay_rts_before_send > 0)) in sc16is7xx_tx_proc()
754 msleep(port->rs485.delay_rts_before_send); in sc16is7xx_tx_proc()
756 mutex_lock(&s->efr_lock); in sc16is7xx_tx_proc()
758 mutex_unlock(&s->efr_lock); in sc16is7xx_tx_proc()
766 struct serial_rs485 *rs485 = &port->rs485; in sc16is7xx_reconf_rs485()
769 spin_lock_irqsave(&port->lock, irqflags); in sc16is7xx_reconf_rs485()
770 if (rs485->flags & SER_RS485_ENABLED) { in sc16is7xx_reconf_rs485()
773 if (rs485->flags & SER_RS485_RTS_AFTER_SEND) in sc16is7xx_reconf_rs485()
776 spin_unlock_irqrestore(&port->lock, irqflags); in sc16is7xx_reconf_rs485()
787 spin_lock_irqsave(&one->port.lock, irqflags); in sc16is7xx_reg_proc()
788 config = one->config; in sc16is7xx_reg_proc()
789 memset(&one->config, 0, sizeof(one->config)); in sc16is7xx_reg_proc()
790 spin_unlock_irqrestore(&one->port.lock, irqflags); in sc16is7xx_reg_proc()
793 sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, in sc16is7xx_reg_proc()
795 (one->port.mctrl & TIOCM_LOOP) ? in sc16is7xx_reg_proc()
797 sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, in sc16is7xx_reg_proc()
799 (one->port.mctrl & TIOCM_RTS) ? in sc16is7xx_reg_proc()
801 sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, in sc16is7xx_reg_proc()
803 (one->port.mctrl & TIOCM_DTR) ? in sc16is7xx_reg_proc()
807 sc16is7xx_port_update(&one->port, SC16IS7XX_IER_REG, in sc16is7xx_reg_proc()
811 sc16is7xx_reconf_rs485(&one->port); in sc16is7xx_reg_proc()
816 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_ier_clear()
819 one->config.flags |= SC16IS7XX_RECONF_IER; in sc16is7xx_ier_clear()
820 one->config.ier_clear |= bit; in sc16is7xx_ier_clear()
821 kthread_queue_work(&s->kworker, &one->reg_work); in sc16is7xx_ier_clear()
836 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_start_tx()
839 kthread_queue_work(&s->kworker, &one->tx_work); in sc16is7xx_start_tx()
861 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_set_mctrl()
864 one->config.flags |= SC16IS7XX_RECONF_MD; in sc16is7xx_set_mctrl()
865 kthread_queue_work(&s->kworker, &one->reg_work); in sc16is7xx_set_mctrl()
879 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_set_termios()
884 termios->c_cflag &= ~CMSPAR; in sc16is7xx_set_termios()
887 switch (termios->c_cflag & CSIZE) { in sc16is7xx_set_termios()
902 termios->c_cflag &= ~CSIZE; in sc16is7xx_set_termios()
903 termios->c_cflag |= CS8; in sc16is7xx_set_termios()
908 if (termios->c_cflag & PARENB) { in sc16is7xx_set_termios()
910 if (!(termios->c_cflag & PARODD)) in sc16is7xx_set_termios()
915 if (termios->c_cflag & CSTOPB) in sc16is7xx_set_termios()
919 port->read_status_mask = SC16IS7XX_LSR_OE_BIT; in sc16is7xx_set_termios()
920 if (termios->c_iflag & INPCK) in sc16is7xx_set_termios()
921 port->read_status_mask |= SC16IS7XX_LSR_PE_BIT | in sc16is7xx_set_termios()
923 if (termios->c_iflag & (BRKINT | PARMRK)) in sc16is7xx_set_termios()
924 port->read_status_mask |= SC16IS7XX_LSR_BI_BIT; in sc16is7xx_set_termios()
927 port->ignore_status_mask = 0; in sc16is7xx_set_termios()
928 if (termios->c_iflag & IGNBRK) in sc16is7xx_set_termios()
929 port->ignore_status_mask |= SC16IS7XX_LSR_BI_BIT; in sc16is7xx_set_termios()
930 if (!(termios->c_cflag & CREAD)) in sc16is7xx_set_termios()
931 port->ignore_status_mask |= SC16IS7XX_LSR_BRK_ERROR_MASK; in sc16is7xx_set_termios()
934 mutex_lock(&s->efr_lock); in sc16is7xx_set_termios()
940 regcache_cache_bypass(s->regmap, true); in sc16is7xx_set_termios()
941 sc16is7xx_port_write(port, SC16IS7XX_XON1_REG, termios->c_cc[VSTART]); in sc16is7xx_set_termios()
942 sc16is7xx_port_write(port, SC16IS7XX_XOFF1_REG, termios->c_cc[VSTOP]); in sc16is7xx_set_termios()
943 if (termios->c_cflag & CRTSCTS) in sc16is7xx_set_termios()
946 if (termios->c_iflag & IXON) in sc16is7xx_set_termios()
948 if (termios->c_iflag & IXOFF) in sc16is7xx_set_termios()
952 regcache_cache_bypass(s->regmap, false); in sc16is7xx_set_termios()
957 mutex_unlock(&s->efr_lock); in sc16is7xx_set_termios()
961 port->uartclk / 16 / 4 / 0xffff, in sc16is7xx_set_termios()
962 port->uartclk / 16); in sc16is7xx_set_termios()
968 uart_update_timeout(port, termios->c_cflag, baud); in sc16is7xx_set_termios()
974 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_config_rs485()
977 if (rs485->flags & SER_RS485_ENABLED) { in sc16is7xx_config_rs485()
980 rts_during_rx = rs485->flags & SER_RS485_RTS_AFTER_SEND; in sc16is7xx_config_rs485()
981 rts_during_tx = rs485->flags & SER_RS485_RTS_ON_SEND; in sc16is7xx_config_rs485()
984 dev_err(port->dev, in sc16is7xx_config_rs485()
985 …"unsupported RTS signalling on_send:%d after_send:%d - exactly one of RS485 RTS flags should be se… in sc16is7xx_config_rs485()
990 * However, it's sometimes useful to delay TX even without RTS in sc16is7xx_config_rs485()
993 if (rs485->delay_rts_after_send) in sc16is7xx_config_rs485()
994 return -EINVAL; in sc16is7xx_config_rs485()
997 port->rs485 = *rs485; in sc16is7xx_config_rs485()
998 one->config.flags |= SC16IS7XX_RECONF_RS485; in sc16is7xx_config_rs485()
999 kthread_queue_work(&s->kworker, &one->reg_work); in sc16is7xx_config_rs485()
1007 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_startup()
1023 regcache_cache_bypass(s->regmap, true); in sc16is7xx_startup()
1040 regcache_cache_bypass(s->regmap, false); in sc16is7xx_startup()
1049 one->irda_mode ? in sc16is7xx_startup()
1067 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_shutdown()
1080 kthread_flush_worker(&s->kworker); in sc16is7xx_shutdown()
1085 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_type()
1087 return (port->type == PORT_SC16IS7XX) ? s->devtype->name : NULL; in sc16is7xx_type()
1099 port->type = PORT_SC16IS7XX; in sc16is7xx_config_port()
1105 if ((s->type != PORT_UNKNOWN) && (s->type != PORT_SC16IS7XX)) in sc16is7xx_verify_port()
1106 return -EINVAL; in sc16is7xx_verify_port()
1107 if (s->irq != port->irq) in sc16is7xx_verify_port()
1108 return -EINVAL; in sc16is7xx_verify_port()
1148 struct uart_port *port = &s->p[0].port; in sc16is7xx_gpio_get()
1158 struct uart_port *port = &s->p[0].port; in sc16is7xx_gpio_set()
1168 struct uart_port *port = &s->p[0].port; in sc16is7xx_gpio_direction_input()
1179 struct uart_port *port = &s->p[0].port; in sc16is7xx_gpio_direction_output()
1224 return -EPROBE_DEFER; in sc16is7xx_probe()
1227 s = devm_kzalloc(dev, struct_size(s, p, devtype->nr_uart), GFP_KERNEL); in sc16is7xx_probe()
1230 return -ENOMEM; in sc16is7xx_probe()
1234 device_property_read_u32(dev, "clock-frequency", &uartclk); in sc16is7xx_probe()
1236 s->clk = devm_clk_get(dev, NULL); in sc16is7xx_probe()
1237 if (IS_ERR(s->clk)) { in sc16is7xx_probe()
1245 return PTR_ERR(s->clk); in sc16is7xx_probe()
1247 ret = clk_prepare_enable(s->clk); in sc16is7xx_probe()
1251 freq = clk_get_rate(s->clk); in sc16is7xx_probe()
1254 s->regmap = regmap; in sc16is7xx_probe()
1255 s->devtype = devtype; in sc16is7xx_probe()
1257 mutex_init(&s->efr_lock); in sc16is7xx_probe()
1259 kthread_init_worker(&s->kworker); in sc16is7xx_probe()
1260 s->kworker_task = kthread_run(kthread_worker_fn, &s->kworker, in sc16is7xx_probe()
1262 if (IS_ERR(s->kworker_task)) { in sc16is7xx_probe()
1263 ret = PTR_ERR(s->kworker_task); in sc16is7xx_probe()
1266 sched_set_fifo(s->kworker_task); in sc16is7xx_probe()
1269 regmap_write(s->regmap, SC16IS7XX_IOCONTROL_REG << SC16IS7XX_REG_SHIFT, in sc16is7xx_probe()
1272 for (i = 0; i < devtype->nr_uart; ++i) { in sc16is7xx_probe()
1273 s->p[i].line = i; in sc16is7xx_probe()
1275 s->p[i].port.dev = dev; in sc16is7xx_probe()
1276 s->p[i].port.irq = irq; in sc16is7xx_probe()
1277 s->p[i].port.type = PORT_SC16IS7XX; in sc16is7xx_probe()
1278 s->p[i].port.fifosize = SC16IS7XX_FIFO_SIZE; in sc16is7xx_probe()
1279 s->p[i].port.flags = UPF_FIXED_TYPE | UPF_LOW_LATENCY; in sc16is7xx_probe()
1280 s->p[i].port.iobase = i; in sc16is7xx_probe()
1286 s->p[i].port.membase = (void __iomem *)~0; in sc16is7xx_probe()
1287 s->p[i].port.iotype = UPIO_PORT; in sc16is7xx_probe()
1288 s->p[i].port.uartclk = freq; in sc16is7xx_probe()
1289 s->p[i].port.rs485_config = sc16is7xx_config_rs485; in sc16is7xx_probe()
1290 s->p[i].port.ops = &sc16is7xx_ops; in sc16is7xx_probe()
1291 s->p[i].port.line = sc16is7xx_alloc_line(); in sc16is7xx_probe()
1292 if (s->p[i].port.line >= SC16IS7XX_MAX_DEVS) { in sc16is7xx_probe()
1293 ret = -ENOMEM; in sc16is7xx_probe()
1298 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_IER_REG, 0); in sc16is7xx_probe()
1300 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_EFCR_REG, in sc16is7xx_probe()
1304 kthread_init_work(&s->p[i].tx_work, sc16is7xx_tx_proc); in sc16is7xx_probe()
1305 kthread_init_work(&s->p[i].reg_work, sc16is7xx_reg_proc); in sc16is7xx_probe()
1307 uart_add_one_port(&sc16is7xx_uart, &s->p[i].port); in sc16is7xx_probe()
1310 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_LCR_REG, in sc16is7xx_probe()
1313 regcache_cache_bypass(s->regmap, true); in sc16is7xx_probe()
1316 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_EFR_REG, in sc16is7xx_probe()
1319 regcache_cache_bypass(s->regmap, false); in sc16is7xx_probe()
1322 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_LCR_REG, 0x00); in sc16is7xx_probe()
1325 sc16is7xx_power(&s->p[i].port, 0); in sc16is7xx_probe()
1328 if (dev->of_node) { in sc16is7xx_probe()
1333 of_property_for_each_u32(dev->of_node, "irda-mode-ports", in sc16is7xx_probe()
1335 if (u < devtype->nr_uart) in sc16is7xx_probe()
1336 s->p[u].irda_mode = true; in sc16is7xx_probe()
1340 if (devtype->nr_gpio) { in sc16is7xx_probe()
1342 s->gpio.owner = THIS_MODULE; in sc16is7xx_probe()
1343 s->gpio.parent = dev; in sc16is7xx_probe()
1344 s->gpio.label = dev_name(dev); in sc16is7xx_probe()
1345 s->gpio.direction_input = sc16is7xx_gpio_direction_input; in sc16is7xx_probe()
1346 s->gpio.get = sc16is7xx_gpio_get; in sc16is7xx_probe()
1347 s->gpio.direction_output = sc16is7xx_gpio_direction_output; in sc16is7xx_probe()
1348 s->gpio.set = sc16is7xx_gpio_set; in sc16is7xx_probe()
1349 s->gpio.base = -1; in sc16is7xx_probe()
1350 s->gpio.ngpio = devtype->nr_gpio; in sc16is7xx_probe()
1351 s->gpio.can_sleep = 1; in sc16is7xx_probe()
1352 ret = gpiochip_add_data(&s->gpio, s); in sc16is7xx_probe()
1362 * back to a non-shared falling-edge trigger. in sc16is7xx_probe()
1378 if (devtype->nr_gpio) in sc16is7xx_probe()
1379 gpiochip_remove(&s->gpio); in sc16is7xx_probe()
1385 for (i--; i >= 0; i--) { in sc16is7xx_probe()
1386 uart_remove_one_port(&sc16is7xx_uart, &s->p[i].port); in sc16is7xx_probe()
1387 clear_bit(s->p[i].port.line, &sc16is7xx_lines); in sc16is7xx_probe()
1390 kthread_stop(s->kworker_task); in sc16is7xx_probe()
1393 if (!IS_ERR(s->clk)) in sc16is7xx_probe()
1394 clk_disable_unprepare(s->clk); in sc16is7xx_probe()
1405 if (s->devtype->nr_gpio) in sc16is7xx_remove()
1406 gpiochip_remove(&s->gpio); in sc16is7xx_remove()
1409 for (i = 0; i < s->devtype->nr_uart; i++) { in sc16is7xx_remove()
1410 uart_remove_one_port(&sc16is7xx_uart, &s->p[i].port); in sc16is7xx_remove()
1411 clear_bit(s->p[i].port.line, &sc16is7xx_lines); in sc16is7xx_remove()
1412 sc16is7xx_power(&s->p[i].port, 0); in sc16is7xx_remove()
1415 kthread_flush_worker(&s->kworker); in sc16is7xx_remove()
1416 kthread_stop(s->kworker_task); in sc16is7xx_remove()
1418 if (!IS_ERR(s->clk)) in sc16is7xx_remove()
1419 clk_disable_unprepare(s->clk); in sc16is7xx_remove()
1452 spi->bits_per_word = 8; in sc16is7xx_spi_probe()
1454 if ((spi->mode & SPI_MODE_X_MASK) != SPI_MODE_0) in sc16is7xx_spi_probe()
1455 return dev_err_probe(&spi->dev, -EINVAL, "Unsupported SPI mode\n"); in sc16is7xx_spi_probe()
1457 spi->mode = spi->mode ? : SPI_MODE_0; in sc16is7xx_spi_probe()
1458 spi->max_speed_hz = spi->max_speed_hz ? : 4 * HZ_PER_MHZ; in sc16is7xx_spi_probe()
1463 if (spi->dev.of_node) { in sc16is7xx_spi_probe()
1464 devtype = device_get_match_data(&spi->dev); in sc16is7xx_spi_probe()
1466 return -ENODEV; in sc16is7xx_spi_probe()
1470 devtype = (struct sc16is7xx_devtype *)id_entry->driver_data; in sc16is7xx_spi_probe()
1474 (devtype->nr_uart - 1); in sc16is7xx_spi_probe()
1477 return sc16is7xx_probe(&spi->dev, devtype, regmap, spi->irq); in sc16is7xx_spi_probe()
1482 return sc16is7xx_remove(&spi->dev); in sc16is7xx_spi_remove()
1518 if (i2c->dev.of_node) { in sc16is7xx_i2c_probe()
1519 devtype = device_get_match_data(&i2c->dev); in sc16is7xx_i2c_probe()
1521 return -ENODEV; in sc16is7xx_i2c_probe()
1523 devtype = (struct sc16is7xx_devtype *)id->driver_data; in sc16is7xx_i2c_probe()
1527 (devtype->nr_uart - 1); in sc16is7xx_i2c_probe()
1530 return sc16is7xx_probe(&i2c->dev, devtype, regmap, i2c->irq); in sc16is7xx_i2c_probe()
1535 return sc16is7xx_remove(&client->dev); in sc16is7xx_i2c_remove()
1575 pr_err("failed to init sc16is7xx i2c --> %d\n", ret); in sc16is7xx_init()
1583 pr_err("failed to init sc16is7xx spi --> %d\n", ret); in sc16is7xx_init()