mtk8250_enable_intrs  258 drivers/tty/serial/8250/8250_mtk.c 		mtk8250_enable_intrs(up, MTK_UART_IER_CTSI | MTK_UART_IER_RTSI);
mtk8250_enable_intrs  275 drivers/tty/serial/8250/8250_mtk.c 		mtk8250_enable_intrs(up, MTK_UART_IER_XOFFI);