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| author | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:11:18 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:11:18 +0100 |
| commit | a4ad68d57e4dc4138304df23d1817eb094149389 (patch) | |
| tree | ca7d8c4ce5377c4251560de06e15dd7be7063351 /arch/mips/oprofile/op_model_loongson2.c | |
| parent | cd9d95a55550555da8e587ead9cbba5f98a371a3 (diff) | |
| parent | c97259df3f2e163c72f4d0685c61fb2e026dc989 (diff) | |
Merge branch 'topic/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into devel
Diffstat (limited to 'arch/mips/oprofile/op_model_loongson2.c')
| -rw-r--r-- | arch/mips/oprofile/op_model_loongson2.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c index 575cd1473475..475ff46712ab 100644 --- a/arch/mips/oprofile/op_model_loongson2.c +++ b/arch/mips/oprofile/op_model_loongson2.c @@ -1,7 +1,7 @@ /* * Loongson2 performance counter driver for oprofile * - * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2009 Lemote Inc. * Author: Yanhua <yanh@lemote.com> * Author: Wu Zhangjin <wuzj@lemote.com> * @@ -125,6 +125,9 @@ static irqreturn_t loongson2_perfcount_handler(int irq, void *dev_id) */ /* Check whether the irq belongs to me */ + enabled = read_c0_perfcnt() & LOONGSON2_PERFCNT_INT_EN; + if (!enabled) + return IRQ_NONE; enabled = reg.cnt1_enabled | reg.cnt2_enabled; if (!enabled) return IRQ_NONE; |