PCH_UART_LCR_STB  156 drivers/tty/serial/pch_uart.c #define PCH_UART_HAL_STB2		(PCH_UART_LCR_STB)
PCH_UART_LCR_STB  464 drivers/tty/serial/pch_uart.c 	if (stb & ~PCH_UART_LCR_STB) {