UART_CTL_RXTMOUTCNT_SHIFT  463 drivers/tty/serial/bcm63xx_uart.c 	val |= 1 << UART_CTL_RXTMOUTCNT_SHIFT;
UART_CTL_RXTMOUTCNT_SHIFT    8 include/linux/serial_bcm63xx.h #define UART_CTL_RXTMOUTCNT_MASK	(0x1f << UART_CTL_RXTMOUTCNT_SHIFT)