UART011_CR_RTSEN 1571 drivers/tty/serial/amba-pl011.c TIOCMBIT(TIOCM_RTS, UART011_CR_RTSEN); UART011_CR_RTSEN 2022 drivers/tty/serial/amba-pl011.c old_cr |= UART011_CR_RTSEN; UART011_CR_RTSEN 2027 drivers/tty/serial/amba-pl011.c old_cr &= ~(UART011_CR_CTSEN | UART011_CR_RTSEN);