47 static void bcm2835aux_rs485_start_tx(struct uart_8250_port *up)  in bcm2835aux_rs485_start_tx()  argument
49 	if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) {  in bcm2835aux_rs485_start_tx()
50 		struct bcm2835aux_data *data = dev_get_drvdata(up->port.dev);  in bcm2835aux_rs485_start_tx()
53 		serial_out(up, BCM2835_AUX_UART_CNTL, data->cntl);  in bcm2835aux_rs485_start_tx()
60 	if (up->port.rs485.flags & SER_RS485_RTS_ON_SEND)  in bcm2835aux_rs485_start_tx()
61 		serial8250_out_MCR(up, 0);  in bcm2835aux_rs485_start_tx()
63 		serial8250_out_MCR(up, UART_MCR_RTS);  in bcm2835aux_rs485_start_tx()
66 static void bcm2835aux_rs485_stop_tx(struct uart_8250_port *up)  in bcm2835aux_rs485_stop_tx()  argument
68 	if (up->port.rs485.flags & SER_RS485_RTS_AFTER_SEND)  in bcm2835aux_rs485_stop_tx()
69 		serial8250_out_MCR(up, 0);  in bcm2835aux_rs485_stop_tx()
71 		serial8250_out_MCR(up, UART_MCR_RTS);  in bcm2835aux_rs485_stop_tx()
73 	if (!(up->port.rs485.flags & SER_RS485_RX_DURING_TX)) {  in bcm2835aux_rs485_stop_tx()
74 		struct bcm2835aux_data *data = dev_get_drvdata(up->port.dev);  in bcm2835aux_rs485_stop_tx()
77 		serial_out(up, BCM2835_AUX_UART_CNTL, data->cntl);  in bcm2835aux_rs485_stop_tx()
83 	struct uart_8250_port up = { };  in bcm2835aux_serial_probe()  local
94 	up.capabilities = UART_CAP_FIFO | UART_CAP_MINI;  in bcm2835aux_serial_probe()
95 	up.port.dev = &pdev->dev;  in bcm2835aux_serial_probe()
96 	up.port.regshift = 2;  in bcm2835aux_serial_probe()
97 	up.port.type = PORT_16550;  in bcm2835aux_serial_probe()
98 	up.port.iotype = UPIO_MEM;  in bcm2835aux_serial_probe()
99 	up.port.fifosize = 8;  in bcm2835aux_serial_probe()
100 	up.port.flags = UPF_SHARE_IRQ | UPF_FIXED_PORT | UPF_FIXED_TYPE |  in bcm2835aux_serial_probe()
102 	up.port.rs485_config = serial8250_em485_config;  in bcm2835aux_serial_probe()
103 	up.rs485_start_tx = bcm2835aux_rs485_start_tx;  in bcm2835aux_serial_probe()
104 	up.rs485_stop_tx = bcm2835aux_rs485_stop_tx;  in bcm2835aux_serial_probe()
120 	up.port.irq = ret;  in bcm2835aux_serial_probe()
128 	up.port.mapbase = res->start;  in bcm2835aux_serial_probe()
129 	up.port.mapsize = resource_size(res);  in bcm2835aux_serial_probe()
134 		up.port.line = ret;  in bcm2835aux_serial_probe()
149 	up.port.uartclk = clk_get_rate(data->clk) * 2;  in bcm2835aux_serial_probe()
152 	ret = serial8250_register_8250_port(&up);  in bcm2835aux_serial_probe()