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-rw-r--r--arch/mips/mti-malta/malta-int.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 7b13a4caeea4..fea823f18479 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -273,16 +273,19 @@ asmlinkage void plat_irq_dispatch(void)
273 unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM; 273 unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
274 int irq; 274 int irq;
275 275
276 if (unlikely(!pending)) {
277 spurious_interrupt();
278 return;
279 }
280
276 irq = irq_ffs(pending); 281 irq = irq_ffs(pending);
277 282
278 if (irq == MIPSCPU_INT_I8259A) 283 if (irq == MIPSCPU_INT_I8259A)
279 malta_hw0_irqdispatch(); 284 malta_hw0_irqdispatch();
280 else if (gic_present && ((1 << irq) & ipi_map[smp_processor_id()])) 285 else if (gic_present && ((1 << irq) & ipi_map[smp_processor_id()]))
281 malta_ipi_irqdispatch(); 286 malta_ipi_irqdispatch();
282 else if (irq >= 0)
283 do_IRQ(MIPS_CPU_IRQ_BASE + irq);
284 else 287 else
285 spurious_interrupt(); 288 do_IRQ(MIPS_CPU_IRQ_BASE + irq);
286} 289}
287 290
288#ifdef CONFIG_MIPS_MT_SMP 291#ifdef CONFIG_MIPS_MT_SMP