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>
46 * - only on 75x/76x
49 * - only on 75x/76x
52 * - only on 75x/76x
55 * - only on 75x/76x
57 #define SC16IS7XX_EFCR_REG (0x0f) /* Extra Features Control */
83 /* IER register bits - write only if (EFR[4] == 1) */
96 /* FCR register bits - write only if (EFR[4] == 1) */
106 #define SC16IS7XX_IIR_RTOI_SRC 0x0c /* RX time-out interrupt */
108 * - only on 75x/76x
111 * - only on 75x/76x
123 * 00 -> 5 bit words
124 * 01 -> 6 bit words
125 * 10 -> 7 bit words
126 * 11 -> 8 bit words
131 * 0 -> 1 stop bit
132 * 1 -> 1-1.5 stop bits if
138 #define SC16IS7XX_LCR_FORCEPARITY_BIT (1 << 5) /* 9-bit multidrop parity */
152 * - only on 75x/76x
158 * - write enabled
162 * - write enabled
166 * - write enabled
176 #define SC16IS7XX_LSR_BRK_ERROR_MASK 0x1E /* BI, FE, PE, OE bits */
185 * - only on 75x/76x
189 * - only on 75x/76x
193 * - only on 75x/76x
197 * - only on 75x/76x
200 * - only on 75x/76x
203 * - only on 75x/76x
212 * no built-in hardware check to make sure this condition is met. Also, the TCR
227 * trigger level setting defined in FCR. If TLR has non-zero trigger level value
243 #define SC16IS7XX_EFCR_9BIT_MODE_BIT (1 << 0) /* Enable 9-bit or Multidrop
251 * - Only 750/760
253 * - Only 760
268 * 00 -> no transmitter flow
270 * 01 -> transmitter generates
272 * 10 -> transmitter generates
274 * 11 -> transmitter generates
282 * 00 -> no received flow
284 * 01 -> receiver compares
286 * 10 -> receiver compares
288 * 11 -> receiver compares
350 return one->line; in sc16is7xx_line()
355 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_port_read()
359 regmap_read(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line, &val); in sc16is7xx_port_read()
366 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_port_write()
369 regmap_write(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line, val); in sc16is7xx_port_write()
374 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_fifo_read()
378 regcache_cache_bypass(s->regmap, true); in sc16is7xx_fifo_read()
379 regmap_raw_read(s->regmap, addr, s->buf, rxlen); in sc16is7xx_fifo_read()
380 regcache_cache_bypass(s->regmap, false); in sc16is7xx_fifo_read()
385 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_fifo_write()
390 * Don't send zero-length data, at least on SPI it confuses the chip in sc16is7xx_fifo_write()
396 regcache_cache_bypass(s->regmap, true); in sc16is7xx_fifo_write()
397 regmap_raw_write(s->regmap, addr, s->buf, to_send); in sc16is7xx_fifo_write()
398 regcache_cache_bypass(s->regmap, false); in sc16is7xx_fifo_write()
404 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_port_update()
407 regmap_update_bits(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line, in sc16is7xx_port_update()
493 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_set_baud()
496 unsigned long clk = port->uartclk, div = clk / 16 / baud; in sc16is7xx_set_baud()
516 mutex_lock(&s->efr_lock); in sc16is7xx_set_baud()
525 regcache_cache_bypass(s->regmap, true); in sc16is7xx_set_baud()
528 regcache_cache_bypass(s->regmap, false); in sc16is7xx_set_baud()
533 mutex_unlock(&s->efr_lock); in sc16is7xx_set_baud()
544 regcache_cache_bypass(s->regmap, true); in sc16is7xx_set_baud()
547 regcache_cache_bypass(s->regmap, false); in sc16is7xx_set_baud()
558 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_handle_rx()
562 if (unlikely(rxlen >= sizeof(s->buf))) { in sc16is7xx_handle_rx()
563 dev_warn_ratelimited(port->dev, in sc16is7xx_handle_rx()
565 port->line, rxlen); in sc16is7xx_handle_rx()
566 port->icount.buf_overrun++; in sc16is7xx_handle_rx()
568 rxlen = sizeof(s->buf); in sc16is7xx_handle_rx()
581 s->buf[0] = sc16is7xx_port_read(port, SC16IS7XX_RHR_REG); in sc16is7xx_handle_rx()
590 port->icount.rx++; in sc16is7xx_handle_rx()
595 port->icount.brk++; in sc16is7xx_handle_rx()
599 port->icount.parity++; in sc16is7xx_handle_rx()
601 port->icount.frame++; in sc16is7xx_handle_rx()
603 port->icount.overrun++; in sc16is7xx_handle_rx()
605 lsr &= port->read_status_mask; in sc16is7xx_handle_rx()
617 ch = s->buf[i]; in sc16is7xx_handle_rx()
621 if (lsr & port->ignore_status_mask) in sc16is7xx_handle_rx()
627 rxlen -= bytes_read; in sc16is7xx_handle_rx()
630 tty_flip_buffer_push(&port->state->port); in sc16is7xx_handle_rx()
635 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_handle_tx()
636 struct circ_buf *xmit = &port->state->xmit; in sc16is7xx_handle_tx()
639 if (unlikely(port->x_char)) { in sc16is7xx_handle_tx()
640 sc16is7xx_port_write(port, SC16IS7XX_THR_REG, port->x_char); in sc16is7xx_handle_tx()
641 port->icount.tx++; in sc16is7xx_handle_tx()
642 port->x_char = 0; in sc16is7xx_handle_tx()
655 dev_err_ratelimited(port->dev, in sc16is7xx_handle_tx()
663 port->icount.tx += to_send; in sc16is7xx_handle_tx()
667 s->buf[i] = xmit->buf[xmit->tail]; in sc16is7xx_handle_tx()
668 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); in sc16is7xx_handle_tx()
680 struct uart_port *port = &s->p[portno].port; in sc16is7xx_port_irq()
700 * time-out interrupt but no data in the FIFO. This is in sc16is7xx_port_irq()
716 dev_err_ratelimited(port->dev, in sc16is7xx_port_irq()
718 port->line, iir); in sc16is7xx_port_irq()
729 mutex_lock(&s->efr_lock); in sc16is7xx_irq()
735 for (i = 0; i < s->devtype->nr_uart; ++i) in sc16is7xx_irq()
741 mutex_unlock(&s->efr_lock); in sc16is7xx_irq()
748 struct uart_port *port = &(to_sc16is7xx_one(ws, tx_work)->port); in sc16is7xx_tx_proc()
749 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_tx_proc()
751 if ((port->rs485.flags & SER_RS485_ENABLED) && in sc16is7xx_tx_proc()
752 (port->rs485.delay_rts_before_send > 0)) in sc16is7xx_tx_proc()
753 msleep(port->rs485.delay_rts_before_send); in sc16is7xx_tx_proc()
755 mutex_lock(&s->efr_lock); in sc16is7xx_tx_proc()
757 mutex_unlock(&s->efr_lock); in sc16is7xx_tx_proc()
765 struct serial_rs485 *rs485 = &port->rs485; in sc16is7xx_reconf_rs485()
768 spin_lock_irqsave(&port->lock, irqflags); in sc16is7xx_reconf_rs485()
769 if (rs485->flags & SER_RS485_ENABLED) { in sc16is7xx_reconf_rs485()
772 if (rs485->flags & SER_RS485_RTS_AFTER_SEND) in sc16is7xx_reconf_rs485()
775 spin_unlock_irqrestore(&port->lock, irqflags); in sc16is7xx_reconf_rs485()
786 spin_lock_irqsave(&one->port.lock, irqflags); in sc16is7xx_reg_proc()
787 config = one->config; in sc16is7xx_reg_proc()
788 memset(&one->config, 0, sizeof(one->config)); in sc16is7xx_reg_proc()
789 spin_unlock_irqrestore(&one->port.lock, irqflags); in sc16is7xx_reg_proc()
792 sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, in sc16is7xx_reg_proc()
794 (one->port.mctrl & TIOCM_LOOP) ? in sc16is7xx_reg_proc()
796 sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, in sc16is7xx_reg_proc()
798 (one->port.mctrl & TIOCM_RTS) ? in sc16is7xx_reg_proc()
800 sc16is7xx_port_update(&one->port, SC16IS7XX_MCR_REG, in sc16is7xx_reg_proc()
802 (one->port.mctrl & TIOCM_DTR) ? in sc16is7xx_reg_proc()
806 sc16is7xx_port_update(&one->port, SC16IS7XX_IER_REG, in sc16is7xx_reg_proc()
810 sc16is7xx_reconf_rs485(&one->port); in sc16is7xx_reg_proc()
815 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_ier_clear()
818 one->config.flags |= SC16IS7XX_RECONF_IER; in sc16is7xx_ier_clear()
819 one->config.ier_clear |= bit; in sc16is7xx_ier_clear()
820 kthread_queue_work(&s->kworker, &one->reg_work); in sc16is7xx_ier_clear()
835 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_start_tx()
838 kthread_queue_work(&s->kworker, &one->tx_work); in sc16is7xx_start_tx()
860 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_set_mctrl()
863 one->config.flags |= SC16IS7XX_RECONF_MD; in sc16is7xx_set_mctrl()
864 kthread_queue_work(&s->kworker, &one->reg_work); in sc16is7xx_set_mctrl()
878 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_set_termios()
883 termios->c_cflag &= ~CMSPAR; in sc16is7xx_set_termios()
886 switch (termios->c_cflag & CSIZE) { in sc16is7xx_set_termios()
901 termios->c_cflag &= ~CSIZE; in sc16is7xx_set_termios()
902 termios->c_cflag |= CS8; in sc16is7xx_set_termios()
907 if (termios->c_cflag & PARENB) { in sc16is7xx_set_termios()
909 if (!(termios->c_cflag & PARODD)) in sc16is7xx_set_termios()
914 if (termios->c_cflag & CSTOPB) in sc16is7xx_set_termios()
918 port->read_status_mask = SC16IS7XX_LSR_OE_BIT; in sc16is7xx_set_termios()
919 if (termios->c_iflag & INPCK) in sc16is7xx_set_termios()
920 port->read_status_mask |= SC16IS7XX_LSR_PE_BIT | in sc16is7xx_set_termios()
922 if (termios->c_iflag & (BRKINT | PARMRK)) in sc16is7xx_set_termios()
923 port->read_status_mask |= SC16IS7XX_LSR_BI_BIT; in sc16is7xx_set_termios()
926 port->ignore_status_mask = 0; in sc16is7xx_set_termios()
927 if (termios->c_iflag & IGNBRK) in sc16is7xx_set_termios()
928 port->ignore_status_mask |= SC16IS7XX_LSR_BI_BIT; in sc16is7xx_set_termios()
929 if (!(termios->c_cflag & CREAD)) in sc16is7xx_set_termios()
930 port->ignore_status_mask |= SC16IS7XX_LSR_BRK_ERROR_MASK; in sc16is7xx_set_termios()
933 mutex_lock(&s->efr_lock); in sc16is7xx_set_termios()
939 regcache_cache_bypass(s->regmap, true); in sc16is7xx_set_termios()
940 sc16is7xx_port_write(port, SC16IS7XX_XON1_REG, termios->c_cc[VSTART]); in sc16is7xx_set_termios()
941 sc16is7xx_port_write(port, SC16IS7XX_XOFF1_REG, termios->c_cc[VSTOP]); in sc16is7xx_set_termios()
942 if (termios->c_cflag & CRTSCTS) in sc16is7xx_set_termios()
945 if (termios->c_iflag & IXON) in sc16is7xx_set_termios()
947 if (termios->c_iflag & IXOFF) in sc16is7xx_set_termios()
951 regcache_cache_bypass(s->regmap, false); in sc16is7xx_set_termios()
956 mutex_unlock(&s->efr_lock); in sc16is7xx_set_termios()
960 port->uartclk / 16 / 4 / 0xffff, in sc16is7xx_set_termios()
961 port->uartclk / 16); in sc16is7xx_set_termios()
967 uart_update_timeout(port, termios->c_cflag, baud); in sc16is7xx_set_termios()
973 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_config_rs485()
976 if (rs485->flags & SER_RS485_ENABLED) { in sc16is7xx_config_rs485()
979 rts_during_rx = rs485->flags & SER_RS485_RTS_AFTER_SEND; in sc16is7xx_config_rs485()
980 rts_during_tx = rs485->flags & SER_RS485_RTS_ON_SEND; in sc16is7xx_config_rs485()
983 dev_err(port->dev, in sc16is7xx_config_rs485()
984 …"unsupported RTS signalling on_send:%d after_send:%d - exactly one of RS485 RTS flags should be se… in sc16is7xx_config_rs485()
989 * However, it's sometimes useful to delay TX even without RTS in sc16is7xx_config_rs485()
992 if (rs485->delay_rts_after_send) in sc16is7xx_config_rs485()
993 return -EINVAL; in sc16is7xx_config_rs485()
996 port->rs485 = *rs485; in sc16is7xx_config_rs485()
997 one->config.flags |= SC16IS7XX_RECONF_RS485; in sc16is7xx_config_rs485()
998 kthread_queue_work(&s->kworker, &one->reg_work); in sc16is7xx_config_rs485()
1006 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_startup()
1022 regcache_cache_bypass(s->regmap, true); in sc16is7xx_startup()
1039 regcache_cache_bypass(s->regmap, false); in sc16is7xx_startup()
1048 one->irda_mode ? in sc16is7xx_startup()
1066 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_shutdown()
1079 kthread_flush_worker(&s->kworker); in sc16is7xx_shutdown()
1084 struct sc16is7xx_port *s = dev_get_drvdata(port->dev); in sc16is7xx_type()
1086 return (port->type == PORT_SC16IS7XX) ? s->devtype->name : NULL; in sc16is7xx_type()
1098 port->type = PORT_SC16IS7XX; in sc16is7xx_config_port()
1104 if ((s->type != PORT_UNKNOWN) && (s->type != PORT_SC16IS7XX)) in sc16is7xx_verify_port()
1105 return -EINVAL; in sc16is7xx_verify_port()
1106 if (s->irq != port->irq) in sc16is7xx_verify_port()
1107 return -EINVAL; in sc16is7xx_verify_port()
1147 struct uart_port *port = &s->p[0].port; in sc16is7xx_gpio_get()
1157 struct uart_port *port = &s->p[0].port; in sc16is7xx_gpio_set()
1167 struct uart_port *port = &s->p[0].port; in sc16is7xx_gpio_direction_input()
1178 struct uart_port *port = &s->p[0].port; in sc16is7xx_gpio_direction_output()
1223 return -EPROBE_DEFER; in sc16is7xx_probe()
1226 s = devm_kzalloc(dev, struct_size(s, p, devtype->nr_uart), GFP_KERNEL); in sc16is7xx_probe()
1229 return -ENOMEM; in sc16is7xx_probe()
1233 device_property_read_u32(dev, "clock-frequency", &uartclk); in sc16is7xx_probe()
1235 s->clk = devm_clk_get(dev, NULL); in sc16is7xx_probe()
1236 if (IS_ERR(s->clk)) { in sc16is7xx_probe()
1244 return PTR_ERR(s->clk); in sc16is7xx_probe()
1246 ret = clk_prepare_enable(s->clk); in sc16is7xx_probe()
1250 freq = clk_get_rate(s->clk); in sc16is7xx_probe()
1253 s->regmap = regmap; in sc16is7xx_probe()
1254 s->devtype = devtype; in sc16is7xx_probe()
1256 mutex_init(&s->efr_lock); in sc16is7xx_probe()
1258 kthread_init_worker(&s->kworker); in sc16is7xx_probe()
1259 s->kworker_task = kthread_run(kthread_worker_fn, &s->kworker, in sc16is7xx_probe()
1261 if (IS_ERR(s->kworker_task)) { in sc16is7xx_probe()
1262 ret = PTR_ERR(s->kworker_task); in sc16is7xx_probe()
1265 sched_set_fifo(s->kworker_task); in sc16is7xx_probe()
1268 regmap_write(s->regmap, SC16IS7XX_IOCONTROL_REG << SC16IS7XX_REG_SHIFT, in sc16is7xx_probe()
1271 for (i = 0; i < devtype->nr_uart; ++i) { in sc16is7xx_probe()
1272 s->p[i].line = i; in sc16is7xx_probe()
1274 s->p[i].port.dev = dev; in sc16is7xx_probe()
1275 s->p[i].port.irq = irq; in sc16is7xx_probe()
1276 s->p[i].port.type = PORT_SC16IS7XX; in sc16is7xx_probe()
1277 s->p[i].port.fifosize = SC16IS7XX_FIFO_SIZE; in sc16is7xx_probe()
1278 s->p[i].port.flags = UPF_FIXED_TYPE | UPF_LOW_LATENCY; in sc16is7xx_probe()
1279 s->p[i].port.iobase = i; in sc16is7xx_probe()
1285 s->p[i].port.membase = (void __iomem *)~0; in sc16is7xx_probe()
1286 s->p[i].port.iotype = UPIO_PORT; in sc16is7xx_probe()
1287 s->p[i].port.uartclk = freq; in sc16is7xx_probe()
1288 s->p[i].port.rs485_config = sc16is7xx_config_rs485; in sc16is7xx_probe()
1289 s->p[i].port.ops = &sc16is7xx_ops; in sc16is7xx_probe()
1290 s->p[i].port.line = sc16is7xx_alloc_line(); in sc16is7xx_probe()
1291 if (s->p[i].port.line >= SC16IS7XX_MAX_DEVS) { in sc16is7xx_probe()
1292 ret = -ENOMEM; in sc16is7xx_probe()
1297 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_IER_REG, 0); in sc16is7xx_probe()
1299 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_EFCR_REG, in sc16is7xx_probe()
1303 kthread_init_work(&s->p[i].tx_work, sc16is7xx_tx_proc); in sc16is7xx_probe()
1304 kthread_init_work(&s->p[i].reg_work, sc16is7xx_reg_proc); in sc16is7xx_probe()
1306 uart_add_one_port(&sc16is7xx_uart, &s->p[i].port); in sc16is7xx_probe()
1309 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_LCR_REG, in sc16is7xx_probe()
1312 regcache_cache_bypass(s->regmap, true); in sc16is7xx_probe()
1315 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_EFR_REG, in sc16is7xx_probe()
1318 regcache_cache_bypass(s->regmap, false); in sc16is7xx_probe()
1321 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_LCR_REG, 0x00); in sc16is7xx_probe()
1324 sc16is7xx_power(&s->p[i].port, 0); in sc16is7xx_probe()
1327 if (dev->of_node) { in sc16is7xx_probe()
1332 of_property_for_each_u32(dev->of_node, "irda-mode-ports", in sc16is7xx_probe()
1334 if (u < devtype->nr_uart) in sc16is7xx_probe()
1335 s->p[u].irda_mode = true; in sc16is7xx_probe()
1339 if (devtype->nr_gpio) { in sc16is7xx_probe()
1341 s->gpio.owner = THIS_MODULE; in sc16is7xx_probe()
1342 s->gpio.parent = dev; in sc16is7xx_probe()
1343 s->gpio.label = dev_name(dev); in sc16is7xx_probe()
1344 s->gpio.direction_input = sc16is7xx_gpio_direction_input; in sc16is7xx_probe()
1345 s->gpio.get = sc16is7xx_gpio_get; in sc16is7xx_probe()
1346 s->gpio.direction_output = sc16is7xx_gpio_direction_output; in sc16is7xx_probe()
1347 s->gpio.set = sc16is7xx_gpio_set; in sc16is7xx_probe()
1348 s->gpio.base = -1; in sc16is7xx_probe()
1349 s->gpio.ngpio = devtype->nr_gpio; in sc16is7xx_probe()
1350 s->gpio.can_sleep = 1; in sc16is7xx_probe()
1351 ret = gpiochip_add_data(&s->gpio, s); in sc16is7xx_probe()
1361 * back to a non-shared falling-edge trigger. in sc16is7xx_probe()
1377 if (devtype->nr_gpio) in sc16is7xx_probe()
1378 gpiochip_remove(&s->gpio); in sc16is7xx_probe()
1384 for (i--; i >= 0; i--) { in sc16is7xx_probe()
1385 uart_remove_one_port(&sc16is7xx_uart, &s->p[i].port); in sc16is7xx_probe()
1386 clear_bit(s->p[i].port.line, &sc16is7xx_lines); in sc16is7xx_probe()
1389 kthread_stop(s->kworker_task); in sc16is7xx_probe()
1392 if (!IS_ERR(s->clk)) in sc16is7xx_probe()
1393 clk_disable_unprepare(s->clk); in sc16is7xx_probe()
1404 if (s->devtype->nr_gpio) in sc16is7xx_remove()
1405 gpiochip_remove(&s->gpio); in sc16is7xx_remove()
1408 for (i = 0; i < s->devtype->nr_uart; i++) { in sc16is7xx_remove()
1409 uart_remove_one_port(&sc16is7xx_uart, &s->p[i].port); in sc16is7xx_remove()
1410 clear_bit(s->p[i].port.line, &sc16is7xx_lines); in sc16is7xx_remove()
1411 sc16is7xx_power(&s->p[i].port, 0); in sc16is7xx_remove()
1414 kthread_flush_worker(&s->kworker); in sc16is7xx_remove()
1415 kthread_stop(s->kworker_task); in sc16is7xx_remove()
1417 if (!IS_ERR(s->clk)) in sc16is7xx_remove()
1418 clk_disable_unprepare(s->clk); in sc16is7xx_remove()
1451 spi->bits_per_word = 8; in sc16is7xx_spi_probe()
1453 spi->mode = spi->mode ? : SPI_MODE_0; in sc16is7xx_spi_probe()
1454 spi->max_speed_hz = spi->max_speed_hz ? : 15000000; in sc16is7xx_spi_probe()
1459 if (spi->dev.of_node) { in sc16is7xx_spi_probe()
1460 devtype = device_get_match_data(&spi->dev); in sc16is7xx_spi_probe()
1462 return -ENODEV; in sc16is7xx_spi_probe()
1466 devtype = (struct sc16is7xx_devtype *)id_entry->driver_data; in sc16is7xx_spi_probe()
1470 (devtype->nr_uart - 1); in sc16is7xx_spi_probe()
1473 return sc16is7xx_probe(&spi->dev, devtype, regmap, spi->irq); in sc16is7xx_spi_probe()
1478 return sc16is7xx_remove(&spi->dev); in sc16is7xx_spi_remove()
1514 if (i2c->dev.of_node) { in sc16is7xx_i2c_probe()
1515 devtype = device_get_match_data(&i2c->dev); in sc16is7xx_i2c_probe()
1517 return -ENODEV; in sc16is7xx_i2c_probe()
1519 devtype = (struct sc16is7xx_devtype *)id->driver_data; in sc16is7xx_i2c_probe()
1523 (devtype->nr_uart - 1); in sc16is7xx_i2c_probe()
1526 return sc16is7xx_probe(&i2c->dev, devtype, regmap, i2c->irq); in sc16is7xx_i2c_probe()
1531 return sc16is7xx_remove(&client->dev); in sc16is7xx_i2c_remove()
1571 pr_err("failed to init sc16is7xx i2c --> %d\n", ret); in sc16is7xx_init()
1579 pr_err("failed to init sc16is7xx spi --> %d\n", ret); in sc16is7xx_init()