/* Acknowledge an expanded io pin's interrupt by clearing the bit in the isr.  */
static void expio_ack_irq(uint32_t irq)
/* Acknowledge an expanded io pin's interrupt by clearing the bit in the isr.  */
static void expio_ack_irq(uint32_t irq)
{
	uint32_t expio = MXC_IRQ_TO_EXPIO(irq);
	__raw_writew(1 << expio, CPLD_INT_RESET_REG);
	__raw_writew(0, CPLD_INT_RESET_REG);
	expio_mask_irq(irq);
}