40 mtk8250_set_termios(struct uart_port *port, struct ktermios *termios,  in mtk8250_set_termios()  argument
47 		container_of(port, struct uart_8250_port, port);  in mtk8250_set_termios()
49 	serial8250_do_set_termios(port, termios, old);  in mtk8250_set_termios()
64 	baud = uart_get_baud_rate(port, termios, old,  in mtk8250_set_termios()
65 				  port->uartclk / 16 / 0xffff,  in mtk8250_set_termios()
66 				  port->uartclk / 16);  in mtk8250_set_termios()
69 		serial_port_out(port, UART_MTK_HIGHS, 0x0);  in mtk8250_set_termios()
70 		quot = uart_get_divisor(port, baud);  in mtk8250_set_termios()
72 		serial_port_out(port, UART_MTK_HIGHS, 0x2);  in mtk8250_set_termios()
77 		quot = DIV_ROUND_UP(port->uartclk, 4 * baud);  in mtk8250_set_termios()
79 		serial_port_out(port, UART_MTK_HIGHS, 0x3);  in mtk8250_set_termios()
84 		quot = DIV_ROUND_UP(port->uartclk, 256 * baud);  in mtk8250_set_termios()
91 	spin_lock_irqsave(&port->lock, flags);  in mtk8250_set_termios()
94 	serial_port_out(port, UART_LCR, up->lcr | UART_LCR_DLAB);  in mtk8250_set_termios()
98 	serial_port_out(port, UART_LCR, up->lcr);  in mtk8250_set_termios()
103 		tmp = DIV_ROUND_CLOSEST(port->uartclk, quot * baud);  in mtk8250_set_termios()
104 		serial_port_out(port, UART_MTK_SAMPLE_COUNT, tmp - 1);  in mtk8250_set_termios()
105 		serial_port_out(port, UART_MTK_SAMPLE_POINT,  in mtk8250_set_termios()
108 		serial_port_out(port, UART_MTK_SAMPLE_COUNT, 0x00);  in mtk8250_set_termios()
109 		serial_port_out(port, UART_MTK_SAMPLE_POINT, 0xff);  in mtk8250_set_termios()
112 	spin_unlock_irqrestore(&port->lock, flags);  in mtk8250_set_termios()
119 mtk8250_do_pm(struct uart_port *port, unsigned int state, unsigned int old)  in mtk8250_do_pm()  argument
122 		pm_runtime_get_sync(port->dev);  in mtk8250_do_pm()
124 	serial8250_do_pm(port, state, old);  in mtk8250_do_pm()
127 		pm_runtime_put_sync_suspend(port->dev);  in mtk8250_do_pm()
166 	uart.port.membase = devm_ioremap(&pdev->dev, regs->start,  in mtk8250_probe()
168 	if (!uart.port.membase)  in mtk8250_probe()
176 		err = mtk8250_probe_of(pdev, &uart.port, data);  in mtk8250_probe()
182 	spin_lock_init(&uart.port.lock);  in mtk8250_probe()
183 	uart.port.mapbase = regs->start;  in mtk8250_probe()
184 	uart.port.irq = irq->start;  in mtk8250_probe()
185 	uart.port.pm = mtk8250_do_pm;  in mtk8250_probe()
186 	uart.port.type = PORT_16550;  in mtk8250_probe()
187 	uart.port.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT;  in mtk8250_probe()
188 	uart.port.dev = &pdev->dev;  in mtk8250_probe()
189 	uart.port.iotype = UPIO_MEM32;  in mtk8250_probe()
190 	uart.port.regshift = 2;  in mtk8250_probe()
191 	uart.port.private_data = data;  in mtk8250_probe()
192 	uart.port.set_termios = mtk8250_set_termios;  in mtk8250_probe()
195 	writel(0x0, uart.port.membase +  in mtk8250_probe()
196 			(MTK_UART_RATE_FIX << uart.port.regshift));  in mtk8250_probe()