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-rw-r--r--arch/powerpc/platforms/chrp/setup.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index ecd32d5d85f..4099ddab920 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -361,7 +361,9 @@ static void __init chrp_find_openpic(void)
printk(KERN_INFO "OpenPIC at %lx\n", opaddr);
irq_count = NR_IRQS - NUM_ISA_INTERRUPTS - 4; /* leave room for IPIs */
- prom_get_irq_senses(init_senses, NUM_8259_INTERRUPTS, NR_IRQS - 4);
+ prom_get_irq_senses(init_senses, NUM_ISA_INTERRUPTS, NR_IRQS - 4);
+ /* i8259 cascade is always positive level */
+ init_senses[0] = IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE;
iranges = (unsigned int *) get_property(np, "interrupt-ranges", &len);
if (iranges == NULL)