UARTCR4 1641 drivers/tty/serial/fsl_lpuart.c cr4 = readb(sport->port.membase + UARTCR4); UARTCR4 1762 drivers/tty/serial/fsl_lpuart.c writeb(cr4 | brfa, sport->port.membase + UARTCR4); UARTCR4 2189 drivers/tty/serial/fsl_lpuart.c brfa = readb(sport->port.membase + UARTCR4);