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authorFelix Fietkau <nbd@openwrt.org>2012-05-02 17:33:04 +0200
committerRalf Baechle <ralf@linux-mips.org>2012-05-15 17:49:19 +0200
commit3572a2c37f667ee49333f8863722b8f43eac506b (patch)
tree0c33d196770577509403447e6fda88e9b012d3b6 /arch/mips/kernel/perf_event_mipsxx.c
parent36be50515fe2aef61533b516fa2576a2c7fe7664 (diff)
MIPS: make oprofile use cp0_perfcount_irq if it is set
Make the oprofile code use the performance counters irq. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3723/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/perf_event_mipsxx.c')
-rw-r--r--arch/mips/kernel/perf_event_mipsxx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 811084f4e422..574b4e9df50f 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -1532,7 +1532,8 @@ init_hw_perf_events(void)
irq = MSC01E_INT_BASE + MSC01E_INT_PERFCTR;
} else {
#endif
- if (cp0_perfcount_irq >= 0)
+ if ((cp0_perfcount_irq >= 0) &&
+ (cp0_compare_irq != cp0_perfcount_irq))
irq = MIPS_CPU_IRQ_BASE + cp0_perfcount_irq;
else
irq = -1;