From 5c55f047d48548c2a894e9961ad3a87a440ea9b0 Mon Sep 17 00:00:00 2001 From: Wu Zhangjin Date: Fri, 6 Nov 2009 18:45:06 +0800 Subject: [PATCH] --- yaml --- r: 177876 b: refs/heads/master c: 937893cf5be53203eabc6f4db29f86b1fdeea203 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/arch/mips/oprofile/op_model_loongson2.c | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/[refs] b/[refs] index 8ff9fd9a0947..dd37d67597dc 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: a3ed495190ebe918f4584291ed8c76f1c97a84fd +refs/heads/master: 937893cf5be53203eabc6f4db29f86b1fdeea203 diff --git a/trunk/arch/mips/oprofile/op_model_loongson2.c b/trunk/arch/mips/oprofile/op_model_loongson2.c index 575cd1473475..475ff46712ab 100644 --- a/trunk/arch/mips/oprofile/op_model_loongson2.c +++ b/trunk/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 * Author: Wu Zhangjin * @@ -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;