/* Disable an expio pin's interrupt by setting the bit in the imr.  */
static void expio_mask_irq(u32 irq)
/* Disable an expio pin's interrupt by setting the bit in the imr.  */
static void expio_mask_irq(u32 irq)
{
	u32 expio = MXC_IRQ_TO_EXPIO(irq);
	__raw_writew(1 << expio, PBC_INTMASK_CLEAR_REG);
	__raw_readw(PBC_INTMASK_CLEAR_REG);
}