ASYNC_AUTO_IRQ     15 arch/x86/include/asm/serial.h # define STD_COMX_FLAGS	(ASYNC_BOOT_AUTOCONF |	ASYNC_SKIP_TEST	| ASYNC_AUTO_IRQ)
ASYNC_AUTO_IRQ     16 arch/x86/include/asm/serial.h # define STD_COM4_FLAGS	(ASYNC_BOOT_AUTOCONF |	0		| ASYNC_AUTO_IRQ)