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Diffstat (limited to 'drivers/perf/thunderx2_pmu.c')
-rw-r--r--drivers/perf/thunderx2_pmu.c30
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/perf/thunderx2_pmu.c b/drivers/perf/thunderx2_pmu.c
index e16d10c763..faf763d2c9 100644
--- a/drivers/perf/thunderx2_pmu.c
+++ b/drivers/perf/thunderx2_pmu.c
@@ -504,24 +504,19 @@ static void tx2_uncore_event_update(struct perf_event *event)
static enum tx2_uncore_type get_tx2_pmu_type(struct acpi_device *adev)
{
- int i = 0;
- struct acpi_tx2_pmu_device {
- __u8 id[ACPI_ID_LEN];
- enum tx2_uncore_type type;
- } devices[] = {
+ struct acpi_device_id devices[] = {
{"CAV901D", PMU_TYPE_L3C},
{"CAV901F", PMU_TYPE_DMC},
{"CAV901E", PMU_TYPE_CCPI2},
- {"", PMU_TYPE_INVALID}
+ {}
};
+ const struct acpi_device_id *id;
- while (devices[i].type != PMU_TYPE_INVALID) {
- if (!strcmp(acpi_device_hid(adev), devices[i].id))
- break;
- i++;
- }
+ id = acpi_match_acpi_device(devices, adev);
+ if (!id)
+ return PMU_TYPE_INVALID;
- return devices[i].type;
+ return (enum tx2_uncore_type)id->driver_data;
}
static bool tx2_uncore_validate_event(struct pmu *pmu,
@@ -729,6 +724,7 @@ static int tx2_uncore_pmu_register(
/* Perf event registration */
tx2_pmu->pmu = (struct pmu) {
.module = THIS_MODULE,
+ .parent = tx2_pmu->dev,
.attr_groups = tx2_pmu->attr_groups,
.task_ctx_nr = perf_invalid_context,
.event_init = tx2_uncore_event_init,
@@ -932,9 +928,8 @@ static int tx2_uncore_pmu_online_cpu(unsigned int cpu,
static int tx2_uncore_pmu_offline_cpu(unsigned int cpu,
struct hlist_node *hpnode)
{
- int new_cpu;
struct tx2_uncore_pmu *tx2_pmu;
- struct cpumask cpu_online_mask_temp;
+ unsigned int new_cpu;
tx2_pmu = hlist_entry_safe(hpnode,
struct tx2_uncore_pmu, hpnode);
@@ -945,11 +940,8 @@ static int tx2_uncore_pmu_offline_cpu(unsigned int cpu,
if (tx2_pmu->hrtimer_callback)
hrtimer_cancel(&tx2_pmu->hrtimer);
- cpumask_copy(&cpu_online_mask_temp, cpu_online_mask);
- cpumask_clear_cpu(cpu, &cpu_online_mask_temp);
- new_cpu = cpumask_any_and(
- cpumask_of_node(tx2_pmu->node),
- &cpu_online_mask_temp);
+ new_cpu = cpumask_any_and_but(cpumask_of_node(tx2_pmu->node),
+ cpu_online_mask, cpu);
tx2_pmu->cpu = new_cpu;
if (new_cpu >= nr_cpu_ids)