Defined in 4 files as a macro:
- sys/arm/xscale/ixp425/cambria_gpio.c, line 78 (as a macro)
- sys/mips/atheros/ar71xx_gpiovar.h, line 37 (as a macro)
- sys/mips/cavium/octeon_gpiovar.h, line 36 (as a macro)
- sys/mips/rt305x/rt305x_gpio.h, line 108 (as a macro)