sc16is7xx_ier_clear  817 drivers/tty/serial/sc16is7xx.c 	sc16is7xx_ier_clear(port, SC16IS7XX_IER_THRI_BIT);
sc16is7xx_ier_clear  822 drivers/tty/serial/sc16is7xx.c 	sc16is7xx_ier_clear(port, SC16IS7XX_IER_RDI_BIT);