Commit 1ab03189 authored Apr 01, 2026 by Chengwen Feng Committed by Rafael J. Wysocki Apr 06, 2026

perf: arm_cspmu: Switch to acpi_get_cpu_uid() from get_acpi_id_for_cpu()



Update arm_cspmu to use acpi_get_cpu_uid() instead of
get_acpi_id_for_cpu(), aligning with unified ACPI CPU UID interface.

No functional changes are introduced by this switch (valid inputs retain
original behavior).

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Link: https://patch.msgid.link/20260401081640.26875-7-fengchengwen@huawei.com


Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent f652d0a4

drivers/perf/arm_cspmu/arm_cspmu.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -1107,15 +1107,17 @@ static int arm_cspmu_acpi_get_cpus(struct arm_cspmu *cspmu)
		{
		struct acpi_apmt_node *apmt_node;
		int affinity_flag;
		u32 cpu_uid;
		int cpu;
		int ret;

		apmt_node = arm_cspmu_apmt_node(cspmu->dev);
		affinity_flag = apmt_node->flags & ACPI_APMT_FLAGS_AFFINITY;

		if (affinity_flag == ACPI_APMT_FLAGS_AFFINITY_PROC) {
		for_each_possible_cpu(cpu) {
		if (apmt_node->proc_affinity ==
		get_acpi_id_for_cpu(cpu)) {
		ret = acpi_get_cpu_uid(cpu, &cpu_uid);
		if (ret == 0 && apmt_node->proc_affinity == cpu_uid) {
		cpumask_set_cpu(cpu, &cspmu->associated_cpus);
		break;
		}