MTK_UART_FRACDIV_M 361 drivers/tty/serial/8250/8250_mtk.c serial_port_out(port, MTK_UART_FRACDIV_M, MTK_UART_FRACDIV_M 367 drivers/tty/serial/8250/8250_mtk.c serial_port_out(port, MTK_UART_FRACDIV_M, 0x00);