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Subject[PATCH 1/9] metag: perf: fix core internal / perf channel mux
Date
The value written to the PERF_ICOREx or PERF_CHANx register to select
the performance events for the core internal and perf channel events was
(tmp & 0x0f), but tmp was set to (config & 0xf0) so it would always be
0. Correct it to use config instead of tmp.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
---
arch/metag/kernel/perf/perf_event.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/metag/kernel/perf/perf_event.c b/arch/metag/kernel/perf/perf_event.c
index a876d5f..f38bf6d 100644
--- a/arch/metag/kernel/perf/perf_event.c
+++ b/arch/metag/kernel/perf/perf_event.c
@@ -634,7 +634,7 @@ static void metag_pmu_enable_counter(struct hw_perf_event *event, int idx)
break;
}

- metag_out32((tmp & 0x0f), perf_addr);
+ metag_out32((config & 0x0f), perf_addr);

/*
* Now we use the high nibble as the performance event to
--
1.8.1.2



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