pmu_write_counter() is now only called from pmu_write_counters(), which does so for each set index in the given mask, bounded by cci_pmu->num_cntrs. So, there is no need for an extra check to make sure the given counter is valid inside pmu_write_counter. This patch gets rid of that.
Cc: Punit Agrawal <[email protected]> Acked-by: Mark Rutland <[email protected]> Signed-off-by: Suzuki K Poulose <[email protected]> --- drivers/bus/arm-cci.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c index 629c9e0..420c30c 100644 --- a/drivers/bus/arm-cci.c +++ b/drivers/bus/arm-cci.c @@ -814,16 +814,9 @@ static u32 pmu_read_counter(struct perf_event *event) return value; } -static void pmu_write_counter(struct perf_event *event, u32 value) +static void pmu_write_counter(struct cci_pmu *cci_pmu, u32 value, int idx) { - struct cci_pmu *cci_pmu = to_cci_pmu(event->pmu); - struct hw_perf_event *hw_counter = &event->hw; - int idx = hw_counter->idx; - - if (unlikely(!pmu_is_valid_counter(cci_pmu, idx))) - dev_err(&cci_pmu->plat_device->dev, "Invalid CCI PMU counter %d\n", idx); - else - pmu_write_register(cci_pmu, value, idx, CCI_PMU_CNTR); + pmu_write_register(cci_pmu, value, idx, CCI_PMU_CNTR); } static void pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask) @@ -836,7 +829,7 @@ static void pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask) if (WARN_ON(!event)) continue; - pmu_write_counter(event, local64_read(&event->hw.prev_count)); + pmu_write_counter(cci_pmu, local64_read(&event->hw.prev_count), i); } } -- 1.7.9.5
