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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-07 08:07:35 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-07 08:07:35 +0200 |
| commit | d763d5edf945eec47bd443b699f174976f0afc13 (patch) | |
| tree | 3e5cd46b9a783999716bf92176854f4f1215d930 /arch/mips/sgi-ip32/ip32-irq.c | |
| parent | 790e2a290b499b0400254e6870ec27969065d122 (diff) | |
| parent | 1b40a895df6c7d5a80e71f65674060b03d84bbef (diff) | |
| download | talos-op-linux-d763d5edf945eec47bd443b699f174976f0afc13.tar.gz talos-op-linux-d763d5edf945eec47bd443b699f174976f0afc13.zip | |
Merge branch 'linus' into tracing/mmiotrace
Diffstat (limited to 'arch/mips/sgi-ip32/ip32-irq.c')
| -rw-r--r-- | arch/mips/sgi-ip32/ip32-irq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c index b0ea0e43ba48..0d6b6663d5f6 100644 --- a/arch/mips/sgi-ip32/ip32-irq.c +++ b/arch/mips/sgi-ip32/ip32-irq.c @@ -425,6 +425,11 @@ static void ip32_irq0(void) BUILD_BUG_ON(MACEISA_SERIAL2_RDMAOR_IRQ - MACEISA_AUDIO_SW_IRQ != 31); crime_int = crime->istat & crime_mask; + + /* crime sometime delivers spurious interrupts, ignore them */ + if (unlikely(crime_int == 0)) + return; + irq = MACE_VID_IN1_IRQ + __ffs(crime_int); if (crime_int & CRIME_MACEISA_INT_MASK) { |
