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ARM: 8351/1: 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>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Will Deacon 2015-05-01 17:15:23 +01:00 committed by Russell King
parent 59c3191628
commit 338d9dd3e2
1 changed files with 6 additions and 1 deletions
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7
arch/arm/kernel/perf_event_cpu.c
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@ -303,12 +303,17 @@ static int probe_current_pmu(struct arm_pmu *pmu)
static int of_pmu_irq_cfg(struct platform_device *pdev) static int of_pmu_irq_cfg(struct platform_device *pdev)
{ {
int i; int i, irq;
int *irqs = kcalloc(pdev->num_resources, sizeof(*irqs), GFP_KERNEL); int *irqs = kcalloc(pdev->num_resources, sizeof(*irqs), GFP_KERNEL);
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;