F81866_UART_CLK_MASK 296 drivers/tty/serial/8250/8250_fintek.c F81866_UART_CLK_MASK, F81866_UART_CLK_MASK 354 drivers/tty/serial/8250/8250_fintek.c sio_write_mask_reg(pdata, reg, F81866_UART_CLK_MASK,