We dont want to register the irq_chip for the MIPS IRQ cascade. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4230/
@@ -297,6 +297,9 @@ static int icu_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
struct irq_chip *chip = <q_irq_type;
int i;
+ if (hw < MIPS_CPU_IRQ_CASCADE)
+ return 0;
+
for (i = 0; i < exin_avail; i++)
if (hw == ltq_eiu_irq[i])
chip = <q_eiu_type;