/* Enable a expio pin's interrupt by clearing the bit in the imr.  */
static void expio_unmask_irq(u32 irq)
/* Enable a expio pin's interrupt by clearing the bit in the imr.  */
static void expio_unmask_irq(u32 irq)
{
	u32 expio = MXC_IRQ_TO_EXPIO(irq);
	__raw_writew(1 << expio, PBC_INTMASK_SET_REG);
}