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| author | Will Deacon <will.deacon@arm.com> | 2015-04-17 14:41:29 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-04-30 12:11:23 +0100 |
| commit | d795ef9aa8311ca3c5158bda1edbcd14479c101c (patch) | |
| tree | a66bac616003b4a7657581a8b1eadf1d1a6aaad1 /arch | |
| parent | 2cff98b99c469880ce830cbcde015b53b67e0a7b (diff) | |
| download | linux-stable-d795ef9aa8311ca3c5158bda1edbcd14479c101c.tar.gz linux-stable-d795ef9aa8311ca3c5158bda1edbcd14479c101c.tar.bz2 linux-stable-d795ef9aa8311ca3c5158bda1edbcd14479c101c.zip | |
arm64: perf: don't warn about missing interrupt-affinity property for PPIs
PPIs are affine by nature, so the interrupt-affinity property is not
used and therefore we shouldn't print a warning in its absence.
Reported-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kernel/perf_event.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 195991dadc37..2a9cbcb61126 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -1310,7 +1310,7 @@ static const struct of_device_id armpmu_of_device_ids[] = { static int armpmu_device_probe(struct platform_device *pdev) { - int i, *irqs; + int i, irq, *irqs; if (!cpu_pmu) return -ENODEV; @@ -1319,6 +1319,11 @@ static int armpmu_device_probe(struct platform_device *pdev) if (!irqs) return -ENOMEM; + /* Don't bother with PPIs; they're already affine */ + irq = platform_get_irq(pdev, 0); + if (irq >= 0 && irq_is_percpu(irq)) + return 0; + for (i = 0; i < pdev->num_resources; ++i) { struct device_node *dn; int cpu; |