[PATCH v1 6/8] perf: qcom_l2_pmu: Refactor _UID handling to use acpi_dev_uid_to_integer()
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2022-09-07 16:56:49
Also in:
linux-acpi, linux-arm-msm, linux-efi, linux-i2c, linux-spi, lkml
Subsystem:
arm pmu profiling and debugging, arm/qualcomm mailing list, the rest · Maintainers:
Will Deacon, Mark Rutland, Linus Torvalds
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> --- drivers/perf/qcom_l2_pmu.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c
index 30234c261b05..aa68e230e020 100644
--- a/drivers/perf/qcom_l2_pmu.c
+++ b/drivers/perf/qcom_l2_pmu.c@@ -843,13 +843,14 @@ static int l2_cache_pmu_probe_cluster(struct device *dev, void *data) 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(adev, &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);
--
2.35.1
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