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authorJohn Crispin <blogic@openwrt.org>2012-08-16 08:09:21 +0000
committerJohn Crispin <blogic@openwrt.org>2012-08-23 00:08:17 +0200
commit9c1628b603ee9d2bb220be0400c5dc6950cf012b (patch)
tree5feb56477d94689da28d88edd74c1c7fda3364d0 /arch/mips/lantiq
parentc2c9c788b91218bccbb9ac31539ffa577fe502bf (diff)
MIPS: lantiq: dont register irq_chip for the irq cascade
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/
Diffstat (limited to 'arch/mips/lantiq')
-rw-r--r--arch/mips/lantiq/irq.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index 0cec43dc3f60..87f15d64afa2 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -297,6 +297,9 @@ static int icu_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
struct irq_chip *chip = &ltq_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 = &ltq_eiu_type;