UART_CTL_STOPBITS_SHIFT 15 include/linux/serial_bcm63xx.h #define UART_CTL_STOPBITS_MASK (0xf << UART_CTL_STOPBITS_SHIFT) UART_CTL_STOPBITS_SHIFT 16 include/linux/serial_bcm63xx.h #define UART_CTL_STOPBITS_1 (0x7 << UART_CTL_STOPBITS_SHIFT) UART_CTL_STOPBITS_SHIFT 17 include/linux/serial_bcm63xx.h #define UART_CTL_STOPBITS_2 (0xf << UART_CTL_STOPBITS_SHIFT)