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authorJames Simmons <jsimmons@infradead.org>2012-11-14 18:15:32 +0000
committerJames Simmons <jsimmons@infradead.org>2012-11-14 18:15:32 +0000
commitb44959f2817032bc4668434bbe1cf9ab28b8cb21 (patch)
treede3bd861b36c836ac9b7b6e8dc179ca1985b6593 /arch/mips/mti-malta/malta-int.c
parente22956a2faa9cf34cec4a471131d50c6be75b0c2 (diff)
parent2216c9e74fb3baac3cb73952158dbe38b703997e (diff)
Merge branch 'drm-core-next'HEADmaster
Conflicts: drivers/gpu/drm/tdfx/tdfx_drv.c
Diffstat (limited to 'arch/mips/mti-malta/malta-int.c')
-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 7b13a4caeea..fea823f1847 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)
unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
int irq;
+ if (unlikely(!pending)) {
+ spurious_interrupt();
+ return;
+ }
+
irq = irq_ffs(pending);
if (irq == MIPSCPU_INT_I8259A)
malta_hw0_irqdispatch();
else if (gic_present && ((1 << irq) & ipi_map[smp_processor_id()]))
malta_ipi_irqdispatch();
- else if (irq >= 0)
- do_IRQ(MIPS_CPU_IRQ_BASE + irq);
else
- spurious_interrupt();
+ do_IRQ(MIPS_CPU_IRQ_BASE + irq);
}
#ifdef CONFIG_MIPS_MT_SMP