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Commit d795ef9a authored by Will Deacon's avatar Will Deacon
Browse files

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: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 2cff98b9

arch/arm64/kernel/perf_event.c

+6 −1
Original line number Diff line number Diff line
@@ -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;