usart            1819 drivers/tty/serial/atmel_serial.c 	u32 usart, dbgu_uart, new_uart;
usart            1821 drivers/tty/serial/atmel_serial.c 	usart = 0x55534152;	/* USAR(T) */
usart            1838 drivers/tty/serial/atmel_serial.c 	} else if (name == usart) {