{
unsigned int smr, srctype;
- /* change triggering only for FIQ and external IRQ0..IRQ6 */
- if ((irq < AT91_ID_IRQ0) && (irq != AT91_ID_FIQ))
- return -EINVAL;
-
switch (type) {
case IRQT_HIGH:
srctype = AT91_AIC_SRCTYPE_HIGH;
srctype = AT91_AIC_SRCTYPE_RISING;
break;
case IRQT_LOW:
+ if ((irq > AT91_ID_FIQ) && (irq < AT91_ID_IRQ0)) /* only supported on external interrupts */
+ return -EINVAL;
srctype = AT91_AIC_SRCTYPE_LOW;
break;
case IRQT_FALLING:
+ if ((irq > AT91_ID_FIQ) && (irq < AT91_ID_IRQ0)) /* only supported on external interrupts */
+ return -EINVAL;
srctype = AT91_AIC_SRCTYPE_FALLING;
break;
default: