PIO_SCHMITT 544 drivers/pinctrl/pinctrl-at91.c writel_relaxed(readl_relaxed(pio + PIO_SCHMITT) | mask, pio + PIO_SCHMITT); PIO_SCHMITT 549 drivers/pinctrl/pinctrl-at91.c return (readl_relaxed(pio + PIO_SCHMITT) >> pin) & 0x1;