Symbol: SC16IS7XX_IIR_REG
drivers/tty/serial/sc16is7xx.c
502
case SC16IS7XX_IIR_REG: /* Shared address space with FCR & EFR */
drivers/tty/serial/sc16is7xx.c
746
iir = sc16is7xx_port_read(port, SC16IS7XX_IIR_REG);