diff options
Diffstat (limited to 'arch/arm/mach-at91rm9200/irq.c')
| -rw-r--r-- | arch/arm/mach-at91rm9200/irq.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/arm/mach-at91rm9200/irq.c b/arch/arm/mach-at91rm9200/irq.c index 3e48811..2148daaf 100644 --- a/arch/arm/mach-at91rm9200/irq.c +++ b/arch/arm/mach-at91rm9200/irq.c @@ -47,6 +47,10 @@ static void at91_aic_unmask_irq(unsigned int irq) at91_sys_write(AT91_AIC_IECR, 1 << irq); } +unsigned int at91_extern_irq; + +#define is_extern_irq(irq) ((1 << (irq)) & at91_extern_irq) + static int at91_aic_set_type(unsigned irq, unsigned type) { unsigned int smr, srctype; @@ -59,14 +63,16 @@ static int at91_aic_set_type(unsigned irq, unsigned type) srctype = AT91_AIC_SRCTYPE_RISING; break; case IRQT_LOW: - if ((irq > AT91_ID_FIQ) && (irq < AT91RM9200_ID_IRQ0)) /* only supported on external interrupts */ + if ((irq == AT91_ID_FIQ) || is_extern_irq(irq)) /* only supported on external interrupts */ + srctype = AT91_AIC_SRCTYPE_LOW; + else return -EINVAL; - srctype = AT91_AIC_SRCTYPE_LOW; break; case IRQT_FALLING: - if ((irq > AT91_ID_FIQ) && (irq < AT91RM9200_ID_IRQ0)) /* only supported on external interrupts */ + if ((irq == AT91_ID_FIQ) || is_extern_irq(irq)) /* only supported on external interrupts */ + srctype = AT91_AIC_SRCTYPE_FALLING; + else return -EINVAL; - srctype = AT91_AIC_SRCTYPE_FALLING; break; default: return -EINVAL; @@ -139,7 +145,7 @@ void __init at91_aic_init(unsigned int priority[NR_AIC_IRQS]) at91_sys_write(AT91_AIC_SMR(i), AT91_AIC_SRCTYPE_LOW | priority[i]); set_irq_chip(i, &at91_aic_chip); - set_irq_handler(i, do_level_IRQ); + set_irq_handler(i, handle_level_irq); set_irq_flags(i, IRQF_VALID | IRQF_PROBE); /* Perform 8 End Of Interrupt Command to make sure AIC will not Lock out nIRQ */ |
