SC16IS7XX_IIR_REG  465 drivers/tty/serial/sc16is7xx.c 	case SC16IS7XX_IIR_REG:
SC16IS7XX_IIR_REG  685 drivers/tty/serial/sc16is7xx.c 		iir = sc16is7xx_port_read(port, SC16IS7XX_IIR_REG);