GDBPORT_SERIAL_MSR 98 include/asm-mn10300/unit-asb2303/serial.h while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE)) {} \ GDBPORT_SERIAL_MSR 108 include/asm-mn10300/unit-asb2303/serial.h #define FLOWCTL_QUERY(LINE) ({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; })