LPC18XX_PINS_PER_PORT 287 drivers/gpio/gpio-lpc18xx.c port = offset / LPC18XX_PINS_PER_PORT; LPC18XX_PINS_PER_PORT 288 drivers/gpio/gpio-lpc18xx.c pin = offset % LPC18XX_PINS_PER_PORT; LPC18XX_PINS_PER_PORT 323 drivers/gpio/gpio-lpc18xx.c .ngpio = LPC18XX_MAX_PORTS * LPC18XX_PINS_PER_PORT,