GRGPIO_IEDGE 151 drivers/gpio/gpio-grgpio.c iedge = priv->gc.read_reg(priv->regs + GRGPIO_IEDGE) & ~mask; GRGPIO_IEDGE 154 drivers/gpio/gpio-grgpio.c priv->gc.write_reg(priv->regs + GRGPIO_IEDGE, iedge | edge);