[tip: irq/core] coresight: trbe: Request specific affinities for per CPU interrupts

tip-bot2 for Marc Zyngier
2025-10-27T16:31:01Z

The following commit has been merged into the irq/core branch of tip:

Commit-ID: 4cdf4813f528cdadfc3778fed6b7783cfe1eb75a
Gitweb: https://git.kernel.org/tip/4cdf4813f528cdadfc3778fed6b7783cfe1eb75a
Author: Marc Zyngier <maz@kernel.org>
AuthorDate: Mon, 20 Oct 2025 13:29:37 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Mon, 27 Oct 2025 17:16:36 +01:00

coresight: trbe: Request specific affinities for per CPU interrupts

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

Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Will Deacon <will@kernel.org>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://patch.msgid.link/20251020122944.3074811-21-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 8f17160..9f64f46 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -1494,7 +1494,8 @@ 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;