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-rw-r--r--arch/arm/common/gic.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index 43240f315dea..410a546060a2 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -582,13 +582,16 @@ void __init gic_init(unsigned int gic_nr, int irq_start,
* For primary GICs, skip over SGIs.
* For secondary GICs, skip over PPIs, too.
*/
+ domain->hwirq_base = 32;
if (gic_nr == 0) {
gic_cpu_base_addr = cpu_base;
- domain->hwirq_base = 16;
- if (irq_start > 0)
- irq_start = (irq_start & ~31) + 16;
- } else
- domain->hwirq_base = 32;
+
+ if ((irq_start & 31) > 0) {
+ domain->hwirq_base = 16;
+ if (irq_start != -1)
+ irq_start = (irq_start & ~31) + 16;
+ }
+ }
/*
* Find out how many interrupts are supported.