SPRD_LCR_STOP_2BIT  809 drivers/tty/serial/sprd_serial.c 	lcr &= ~(SPRD_LCR_STOP_1BIT | SPRD_LCR_STOP_2BIT);
SPRD_LCR_STOP_2BIT  811 drivers/tty/serial/sprd_serial.c 		lcr |= SPRD_LCR_STOP_2BIT;