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| author | Will Deacon <will.deacon@arm.com> | 2015-05-01 17:15:23 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-05-03 23:23:44 +0100 |
| commit | 338d9dd3e2aee00a9198e8bf6e7d535d3feeaf32 (patch) | |
| tree | 9a2d0ebcab19ff7941d8240374f12711dc7ad4d7 /arch | |
| parent | 59c3191628fd1ced948d099f3138b92b06281520 (diff) | |
| download | lwn-338d9dd3e2aee00a9198e8bf6e7d535d3feeaf32.tar.gz lwn-338d9dd3e2aee00a9198e8bf6e7d535d3feeaf32.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/perf_event_cpu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c index 91c7ba182dcd..becf7ad6eddc 100644 --- a/arch/arm/kernel/perf_event_cpu.c +++ b/arch/arm/kernel/perf_event_cpu.c @@ -303,12 +303,17 @@ static int probe_current_pmu(struct arm_pmu *pmu) 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); 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; |