irq_status_prev   145 drivers/tty/serial/atmel_serial.c 	unsigned int		irq_status_prev;
irq_status_prev  1378 drivers/tty/serial/atmel_serial.c 		status_change = status ^ atmel_port->irq_status_prev;
irq_status_prev  1379 drivers/tty/serial/atmel_serial.c 		atmel_port->irq_status_prev = status;
irq_status_prev  1962 drivers/tty/serial/atmel_serial.c 	atmel_port->irq_status_prev = atmel_uart_readl(port, ATMEL_US_CSR);