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Diffstat (limited to 'drivers/perf/arm_pmu_acpi.c')
-rw-r--r--drivers/perf/arm_pmu_acpi.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c
index 09a1a36cff57..0f197516d708 100644
--- a/drivers/perf/arm_pmu_acpi.c
+++ b/drivers/perf/arm_pmu_acpi.c
@@ -89,7 +89,13 @@ static int arm_pmu_acpi_parse_irqs(void)
pr_warn("No ACPI PMU IRQ for CPU%d\n", cpu);
}
+ /*
+ * Log and request the IRQ so the core arm_pmu code can manage
+ * it. We'll have to sanity-check IRQs later when we associate
+ * them with their PMUs.
+ */
per_cpu(pmu_irqs, cpu) = irq;
+ armpmu_request_irq(irq, cpu);
}
return 0;
@@ -205,14 +211,6 @@ static int arm_pmu_acpi_cpu_starting(unsigned int cpu)
cpumask_set_cpu(cpu, &pmu->supported_cpus);
/*
- * Log and request the IRQ so the core arm_pmu code can manage it. In
- * some situations (e.g. mismatched PPIs), we may fail to request the
- * IRQ. However, it may be too late for us to do anything about it.
- * The common ARM PMU code will log a warning in this case.
- */
- armpmu_request_irq(pmu, cpu);
-
- /*
* Ideally, we'd probe the PMU here when we find the first matching
* CPU. We can't do that for several reasons; see the comment in
* arm_pmu_acpi_init().
@@ -281,11 +279,6 @@ static int arm_pmu_acpi_init(void)
if (acpi_disabled)
return 0;
- /*
- * We can't request IRQs yet, since we don't know the cookie value
- * until we know which CPUs share the same logical PMU. We'll handle
- * that in arm_pmu_acpi_cpu_starting().
- */
ret = arm_pmu_acpi_parse_irqs();
if (ret)
return ret;