[PATCH 20/25] coresight: trbe: Request specific affinities for percpu IRQ

Marc Zyngier
2025-09-08T16:31:52Z

Let the TRBE driver request IRQs with an affinity mask matching
the TRBE implementation affinity.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
drivers/hwtracing/coresight/coresight-trbe.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
index c512f8faa6012..4a84a6bc2e8fc 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -1492,7 +1492,8 @@ static int arm_trbe_probe_irq(struct platform_device *pdev,
if (!drvdata->handle)
return -ENOMEM;

- ret = request_percpu_irq(drvdata->irq, arm_trbe_irq_handler, DRVNAME, drvdata->handle);
+ ret = request_percpu_irq_affinity(drvdata->irq, arm_trbe_irq_handler, DRVNAME,
+ affinity, drvdata->handle);
if (ret) {
free_percpu(drvdata->handle);
return ret;
--
2.39.2