GFER             1110 arch/arm/mach-sa1100/include/mach/SA-1100.h #define GFER		__REG(0x90040014)  /* GPIO Falling-Edge detect Reg.   */
GFER               49 drivers/gpio/gpio-intel-mid.c 	GFER,		/* falling edge detect */
GFER               24 drivers/gpio/gpio-merrifield.c #define GFER		0x07c	/* falling edge detect */