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;