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authorAlexander Monakov <amonakov@ispras.ru>2018-03-01 23:25:36 +0300
committerWill Deacon <will.deacon@arm.com>2018-03-27 15:13:27 +0300
commit65bd053fbf46c44b9862cb1e7d76ee84f90e386e (patch)
treee75333ff46e24e240f7c050750d9abd6b1991853 /drivers/perf/arm_pmu_platform.c
parentfcd9f8315e6af1bbe6878c1084b142211f3d7e1f (diff)
downloadlinux-65bd053fbf46c44b9862cb1e7d76ee84f90e386e.tar.xz
drivers/perf: arm_pmu_platform: do not warn about affinity on uniprocessor
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>
Diffstat (limited to 'drivers/perf/arm_pmu_platform.c')
-rw-r--r--drivers/perf/arm_pmu_platform.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c
index 7729eda5909d..971ff336494a 100644
--- a/drivers/perf/arm_pmu_platform.c
+++ b/drivers/perf/arm_pmu_platform.c
@@ -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);
}