PIO_IMR          1649 drivers/pinctrl/pinctrl-at91.c 		backups[i] = readl_relaxed(pio + PIO_IMR);
PIO_IMR          1700 drivers/pinctrl/pinctrl-at91.c 		isr = readl_relaxed(pio + PIO_ISR) & readl_relaxed(pio + PIO_IMR);