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authorWill Deacon <will.deacon@arm.com>2011-07-19 22:41:36 +0100
committerWill Deacon <will.deacon@arm.com>2011-08-31 10:18:00 +0100
commitd2b41f7456223ba6abd3b38d7b54be97914f3aa5 (patch)
tree08ffd6f54daa58de58ae3ae7f5017f26bed6f9aa /arch/arm/kernel/perf_event_xscale.c
parentc691bb6249b25104fcb6dad31bd772c139ce4a50 (diff)
ARM: perf: index Xscale and ARMv6 event counters starting from zero
Now that the ARMv7 PMU backend indexes event counters from zero, follow suit and do the same for ARMv6 and Xscale. Acked-by: Jamie Iles <jamie@jamieiles.com> Reviewed-by: Jean Pihet <j-pihet@ti.com> Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm/kernel/perf_event_xscale.c')
-rw-r--r--arch/arm/kernel/perf_event_xscale.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/kernel/perf_event_xscale.c b/arch/arm/kernel/perf_event_xscale.c
index 730b1c29986..54312fc45ca 100644
--- a/arch/arm/kernel/perf_event_xscale.c
+++ b/arch/arm/kernel/perf_event_xscale.c
@@ -40,7 +40,7 @@ enum xscale_perf_types {
};
enum xscale_counters {
- XSCALE_CYCLE_COUNTER = 1,
+ XSCALE_CYCLE_COUNTER = 0,
XSCALE_COUNTER0,
XSCALE_COUNTER1,
XSCALE_COUNTER2,
@@ -249,7 +249,7 @@ xscale1pmu_handle_irq(int irq_num, void *dev)
perf_sample_data_init(&data, 0);
cpuc = &__get_cpu_var(cpu_hw_events);
- for (idx = 0; idx <= armpmu->num_events; ++idx) {
+ for (idx = 0; idx < armpmu->num_events; ++idx) {
struct perf_event *event = cpuc->events[idx];
struct hw_perf_event *hwc;
@@ -581,7 +581,7 @@ xscale2pmu_handle_irq(int irq_num, void *dev)
perf_sample_data_init(&data, 0);
cpuc = &__get_cpu_var(cpu_hw_events);
- for (idx = 0; idx <= armpmu->num_events; ++idx) {
+ for (idx = 0; idx < armpmu->num_events; ++idx) {
struct perf_event *event = cpuc->events[idx];
struct hw_perf_event *hwc;