358 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_port_read()  local
362 	regmap_read(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line, &val);  in sc16is7xx_port_read()
369 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_port_write()  local
372 	regmap_write(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line, val);  in sc16is7xx_port_write()
377 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_fifo_read()  local
381 	regcache_cache_bypass(s->regmap, true);  in sc16is7xx_fifo_read()
382 	regmap_raw_read(s->regmap, addr, s->buf, rxlen);  in sc16is7xx_fifo_read()
383 	regcache_cache_bypass(s->regmap, false);  in sc16is7xx_fifo_read()
388 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_fifo_write()  local
392 	regcache_cache_bypass(s->regmap, true);  in sc16is7xx_fifo_write()
393 	regmap_raw_write(s->regmap, addr, s->buf, to_send);  in sc16is7xx_fifo_write()
394 	regcache_cache_bypass(s->regmap, false);  in sc16is7xx_fifo_write()
400 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_port_update()  local
403 	regmap_update_bits(s->regmap, (reg << SC16IS7XX_REG_SHIFT) | line,  in sc16is7xx_port_update()
489 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_set_baud()  local
506 	regcache_cache_bypass(s->regmap, true);  in sc16is7xx_set_baud()
509 	regcache_cache_bypass(s->regmap, false);  in sc16is7xx_set_baud()
523 	regcache_cache_bypass(s->regmap, true);  in sc16is7xx_set_baud()
526 	regcache_cache_bypass(s->regmap, false);  in sc16is7xx_set_baud()
537 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_handle_rx()  local
541 	if (unlikely(rxlen >= sizeof(s->buf))) {  in sc16is7xx_handle_rx()
547 		rxlen = sizeof(s->buf);  in sc16is7xx_handle_rx()
560 			s->buf[0] = sc16is7xx_port_read(port, SC16IS7XX_RHR_REG);  in sc16is7xx_handle_rx()
596 			ch = s->buf[i];  in sc16is7xx_handle_rx()
614 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_handle_tx()  local
640 			s->buf[i] = xmit->buf[xmit->tail];  in sc16is7xx_handle_tx()
651 static void sc16is7xx_port_irq(struct sc16is7xx_port *s, int portno)  in sc16is7xx_port_irq()  argument
653 	struct uart_port *port = &s->p[portno].port;  in sc16is7xx_port_irq()
693 	struct sc16is7xx_port *s = to_sc16is7xx_port(ws, irq_work);  in sc16is7xx_ist()  local
696 	for (i = 0; i < s->devtype->nr_uart; ++i)  in sc16is7xx_ist()
697 		sc16is7xx_port_irq(s, i);  in sc16is7xx_ist()
702 	struct sc16is7xx_port *s = (struct sc16is7xx_port *)dev_id;  in sc16is7xx_irq()  local
704 	queue_kthread_work(&s->kworker, &s->irq_work);  in sc16is7xx_irq()
767 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_ier_clear()  local
772 	queue_kthread_work(&s->kworker, &one->reg_work);  in sc16is7xx_ier_clear()
787 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_start_tx()  local
790 	queue_kthread_work(&s->kworker, &one->tx_work);  in sc16is7xx_start_tx()
812 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_set_mctrl()  local
816 	queue_kthread_work(&s->kworker, &one->reg_work);  in sc16is7xx_set_mctrl()
830 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_set_termios()  local
888 	regcache_cache_bypass(s->regmap, true);  in sc16is7xx_set_termios()
900 	regcache_cache_bypass(s->regmap, false);  in sc16is7xx_set_termios()
920 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_config_rs485()  local
945 	queue_kthread_work(&s->kworker, &one->reg_work);  in sc16is7xx_config_rs485()
952 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_startup()  local
968 	regcache_cache_bypass(s->regmap, true);  in sc16is7xx_startup()
985 	regcache_cache_bypass(s->regmap, false);  in sc16is7xx_startup()
1006 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_shutdown()  local
1019 	flush_kthread_worker(&s->kworker);  in sc16is7xx_shutdown()
1024 	struct sc16is7xx_port *s = dev_get_drvdata(port->dev);  in sc16is7xx_type()  local
1026 	return (port->type == PORT_SC16IS7XX) ? s->devtype->name : NULL;  in sc16is7xx_type()
1042 				 struct serial_struct *s)  in sc16is7xx_verify_port()  argument
1044 	if ((s->type != PORT_UNKNOWN) && (s->type != PORT_SC16IS7XX))  in sc16is7xx_verify_port()
1046 	if (s->irq != port->irq)  in sc16is7xx_verify_port()
1086 	struct sc16is7xx_port *s = container_of(chip, struct sc16is7xx_port,  in sc16is7xx_gpio_get()  local
1088 	struct uart_port *port = &s->p[0].port;  in sc16is7xx_gpio_get()
1097 	struct sc16is7xx_port *s = container_of(chip, struct sc16is7xx_port,  in sc16is7xx_gpio_set()  local
1099 	struct uart_port *port = &s->p[0].port;  in sc16is7xx_gpio_set()
1108 	struct sc16is7xx_port *s = container_of(chip, struct sc16is7xx_port,  in sc16is7xx_gpio_direction_input()  local
1110 	struct uart_port *port = &s->p[0].port;  in sc16is7xx_gpio_direction_input()
1120 	struct sc16is7xx_port *s = container_of(chip, struct sc16is7xx_port,  in sc16is7xx_gpio_direction_output()  local
1122 	struct uart_port *port = &s->p[0].port;  in sc16is7xx_gpio_direction_output()
1140 	struct sc16is7xx_port *s;  in sc16is7xx_probe()  local
1146 	s = devm_kzalloc(dev, sizeof(*s) +  in sc16is7xx_probe()
1149 	if (!s) {  in sc16is7xx_probe()
1154 	s->clk = devm_clk_get(dev, NULL);  in sc16is7xx_probe()
1155 	if (IS_ERR(s->clk)) {  in sc16is7xx_probe()
1159 			return PTR_ERR(s->clk);  in sc16is7xx_probe()
1161 		clk_prepare_enable(s->clk);  in sc16is7xx_probe()
1162 		freq = clk_get_rate(s->clk);  in sc16is7xx_probe()
1165 	s->regmap = regmap;  in sc16is7xx_probe()
1166 	s->devtype = devtype;  in sc16is7xx_probe()
1167 	dev_set_drvdata(dev, s);  in sc16is7xx_probe()
1169 	init_kthread_worker(&s->kworker);  in sc16is7xx_probe()
1170 	init_kthread_work(&s->irq_work, sc16is7xx_ist);  in sc16is7xx_probe()
1171 	s->kworker_task = kthread_run(kthread_worker_fn, &s->kworker,  in sc16is7xx_probe()
1173 	if (IS_ERR(s->kworker_task)) {  in sc16is7xx_probe()
1174 		ret = PTR_ERR(s->kworker_task);  in sc16is7xx_probe()
1177 	sched_setscheduler(s->kworker_task, SCHED_FIFO, &sched_param);  in sc16is7xx_probe()
1182 		s->gpio.owner		 = THIS_MODULE;  in sc16is7xx_probe()
1183 		s->gpio.dev		 = dev;  in sc16is7xx_probe()
1184 		s->gpio.label		 = dev_name(dev);  in sc16is7xx_probe()
1185 		s->gpio.direction_input	 = sc16is7xx_gpio_direction_input;  in sc16is7xx_probe()
1186 		s->gpio.get		 = sc16is7xx_gpio_get;  in sc16is7xx_probe()
1187 		s->gpio.direction_output = sc16is7xx_gpio_direction_output;  in sc16is7xx_probe()
1188 		s->gpio.set		 = sc16is7xx_gpio_set;  in sc16is7xx_probe()
1189 		s->gpio.base		 = -1;  in sc16is7xx_probe()
1190 		s->gpio.ngpio		 = devtype->nr_gpio;  in sc16is7xx_probe()
1191 		s->gpio.can_sleep	 = 1;  in sc16is7xx_probe()
1192 		ret = gpiochip_add(&s->gpio);  in sc16is7xx_probe()
1199 		s->p[i].line		= i;  in sc16is7xx_probe()
1201 		s->p[i].port.dev	= dev;  in sc16is7xx_probe()
1202 		s->p[i].port.irq	= irq;  in sc16is7xx_probe()
1203 		s->p[i].port.type	= PORT_SC16IS7XX;  in sc16is7xx_probe()
1204 		s->p[i].port.fifosize	= SC16IS7XX_FIFO_SIZE;  in sc16is7xx_probe()
1205 		s->p[i].port.flags	= UPF_FIXED_TYPE | UPF_LOW_LATENCY;  in sc16is7xx_probe()
1206 		s->p[i].port.iotype	= UPIO_PORT;  in sc16is7xx_probe()
1207 		s->p[i].port.uartclk	= freq;  in sc16is7xx_probe()
1208 		s->p[i].port.rs485_config = sc16is7xx_config_rs485;  in sc16is7xx_probe()
1209 		s->p[i].port.ops	= &sc16is7xx_ops;  in sc16is7xx_probe()
1210 		s->p[i].port.line	= sc16is7xx_alloc_line();  in sc16is7xx_probe()
1211 		if (s->p[i].port.line >= SC16IS7XX_MAX_DEVS) {  in sc16is7xx_probe()
1217 		sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_IER_REG, 0);  in sc16is7xx_probe()
1219 		sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_EFCR_REG,  in sc16is7xx_probe()
1223 		init_kthread_work(&s->p[i].tx_work, sc16is7xx_tx_proc);  in sc16is7xx_probe()
1224 		init_kthread_work(&s->p[i].reg_work, sc16is7xx_reg_proc);  in sc16is7xx_probe()
1226 		uart_add_one_port(&sc16is7xx_uart, &s->p[i].port);  in sc16is7xx_probe()
1228 		sc16is7xx_power(&s->p[i].port, 0);  in sc16is7xx_probe()
1233 			       IRQF_ONESHOT | flags, dev_name(dev), s);  in sc16is7xx_probe()
1239 		uart_remove_one_port(&sc16is7xx_uart, &s->p[i].port);  in sc16is7xx_probe()
1240 		clear_bit(s->p[i].port.line, &sc16is7xx_lines);  in sc16is7xx_probe()
1245 		gpiochip_remove(&s->gpio);  in sc16is7xx_probe()
1249 	kthread_stop(s->kworker_task);  in sc16is7xx_probe()
1252 	if (!IS_ERR(s->clk))  in sc16is7xx_probe()
1253 		clk_disable_unprepare(s->clk);  in sc16is7xx_probe()
1260 	struct sc16is7xx_port *s = dev_get_drvdata(dev);  in sc16is7xx_remove()  local
1264 	if (s->devtype->nr_gpio)  in sc16is7xx_remove()
1265 		gpiochip_remove(&s->gpio);  in sc16is7xx_remove()
1268 	for (i = 0; i < s->devtype->nr_uart; i++) {  in sc16is7xx_remove()
1269 		uart_remove_one_port(&sc16is7xx_uart, &s->p[i].port);  in sc16is7xx_remove()
1270 		clear_bit(s->p[i].port.line, &sc16is7xx_lines);  in sc16is7xx_remove()
1271 		sc16is7xx_power(&s->p[i].port, 0);  in sc16is7xx_remove()
1274 	flush_kthread_worker(&s->kworker);  in sc16is7xx_remove()
1275 	kthread_stop(s->kworker_task);  in sc16is7xx_remove()
1277 	if (!IS_ERR(s->clk))  in sc16is7xx_remove()
1278 		clk_disable_unprepare(s->clk);  in sc16is7xx_remove()