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drivers/perf: arm_pmu_platform: do not warn about affinity on uniprocessor

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If there is exactly one CPU present, there is no ambiguity: do not warn
that PMU setup would need to guess IRQ affinity.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Alexander Monakov <amonakov@ispras.ru>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Alexander Monakov 2018-03-01 23:25:36 +03:00 • committed by Will Deacon
parent fcd9f8315e
commit 65bd053fbf
1 changed files with 1 additions and 1 deletions
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2
drivers/perf/arm_pmu_platform.c
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@ -122,7 +122,7 @@ static int pmu_parse_irqs(struct arm_pmu *pmu)
return pmu_parse_percpu_irq(pmu, irq);
}
if (!pmu_has_irq_affinity(pdev->dev.of_node)) {
if (nr_cpu_ids != 1 && !pmu_has_irq_affinity(pdev->dev.of_node)) {
pr_warn("no interrupt-affinity property for %pOF, guessing.\n",
pdev->dev.of_node);
}