diff options
Diffstat (limited to 'drivers/perf/arm_smmuv3_pmu.c')
| -rw-r--r-- | drivers/perf/arm_smmuv3_pmu.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c index da71c741cb46..94f1e83bec2e 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -36,6 +36,7 @@ #include <linux/acpi.h> #include <linux/acpi_iort.h> +#include <linux/of.h> #include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/cpuhotplug.h> @@ -280,8 +281,13 @@ static int smmu_pmu_apply_event_filter(struct smmu_pmu *smmu_pmu, /* Requested settings same as current global settings*/ if (span == smmu_pmu->global_filter_span && - sid == smmu_pmu->global_filter_sid) + sid == smmu_pmu->global_filter_sid) { + if (idx == 0) + smmu_pmu_set_event_filter(event, idx, span, sid); + else + smmu_pmu_set_event_filter(event, idx, 0, 0); return 0; + } if (!bitmap_empty(smmu_pmu->used_counters, num_ctrs)) return -EAGAIN; @@ -829,9 +835,16 @@ static void smmu_pmu_shutdown(struct platform_device *pdev) smmu_pmu_disable(&smmu_pmu->pmu); } +static const struct of_device_id smmu_pmu_of_match[] = { + { .compatible = "arm,smmu-pmu-v3", }, + { }, +}; +MODULE_DEVICE_TABLE(of, smmu_pmu_of_match); + static struct platform_driver smmu_pmu_driver = { .driver = { .name = "arm-smmu-v3-pmcg", + .of_match_table = of_match_ptr(smmu_pmu_of_match), }, .probe = smmu_pmu_probe, .remove = smmu_pmu_remove, |