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arm64: perf: don't warn about missing interrupt-affinity property for PPIs

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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>
This commit is contained in:
Will Deacon 2015-04-17 14:41:29 +01:00
commit d795ef9aa8
1 changed files with 6 additions and 1 deletions
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7
arch/arm64/kernel/perf_event.c
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@ -1310,7 +1310,7 @@ static const struct of_device_id armpmu_of_device_ids[] = {
static int armpmu_device_probe(struct platform_device *pdev) static int armpmu_device_probe(struct platform_device *pdev)
{ {
int i, *irqs; int i, irq, *irqs;
if (!cpu_pmu) if (!cpu_pmu)
return -ENODEV; return -ENODEV;
@ -1319,6 +1319,11 @@ static int armpmu_device_probe(struct platform_device *pdev)
if (!irqs) if (!irqs)
return -ENOMEM; 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) { for (i = 0; i < pdev->num_resources; ++i) {
struct device_node *dn; struct device_node *dn;
int cpu; int cpu;