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Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-at91rm9200/irq.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mach-at91rm9200/irq.c b/arch/arm/mach-at91rm9200/irq.c
index cb62bc83a1d..cc545b2c438 100644
--- a/arch/arm/mach-at91rm9200/irq.c
+++ b/arch/arm/mach-at91rm9200/irq.c
@@ -92,10 +92,6 @@ static int at91rm9200_irq_type(unsigned irq, unsigned type)
{
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;
@@ -104,9 +100,13 @@ static int at91rm9200_irq_type(unsigned irq, unsigned type)
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: