Messages in this thread Patch in this message | | | From | James Hogan <> | Subject | [PATCH 1/9] metag: perf: fix core internal / perf channel mux | Date | Fri, 15 Mar 2013 13:43:40 +0000 |
| |
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
| |