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perf: qcom_l2_pmu: Refactor _UID handling to use acpi_dev_uid_to_integer()

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ACPI utils provide acpi_dev_uid_to_integer() helper to extract _UID as
an integer. Use it instead of custom approach.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2022-09-13 19:31:45 +03:00 committed by Rafael J. Wysocki
parent 3ddaf13982
commit 9cde62517f
1 changed files with 5 additions and 5 deletions
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10
drivers/perf/qcom_l2_pmu.c
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@ -840,16 +840,16 @@ static int l2_cache_pmu_probe_cluster(struct device *dev, void *data)
{
struct platform_device *pdev = to_platform_device(dev->parent);
struct platform_device *sdev = to_platform_device(dev);
struct acpi_device *adev = ACPI_COMPANION(dev);
struct l2cache_pmu *l2cache_pmu = data;
struct cluster_pmu *cluster;
unsigned long fw_cluster_id;
u64 fw_cluster_id;
int err;
int irq;
if (!adev || kstrtoul(adev->pnp.unique_id, 10, &fw_cluster_id) < 0) {
err = acpi_dev_uid_to_integer(ACPI_COMPANION(dev), &fw_cluster_id);
if (err) {
dev_err(&pdev->dev, "unable to read ACPI uid\n");
return -ENODEV;
return err;
}
cluster = devm_kzalloc(&pdev->dev, sizeof(*cluster), GFP_KERNEL);
@ -879,7 +879,7 @@ static int l2_cache_pmu_probe_cluster(struct device *dev, void *data)
}
dev_info(&pdev->dev,
"Registered L2 cache PMU cluster %ld\n", fw_cluster_id);
"Registered L2 cache PMU cluster %lld\n", fw_cluster_id);
spin_lock_init(&cluster->pmu_lock);