[tip: irq/core] coresight: trbe: Convert to the new interrupt affinity retrieval API

tip-bot2 for Marc Zyngier
2025-10-27T16:31:17Z

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

Commit-ID: 541454dd204b66c9f03761e00a28ad9702b24829
Gitweb: https://git.kernel.org/tip/541454dd204b66c9f03761e00a28ad9702b24829
Author: Marc Zyngier <maz@kernel.org>
AuthorDate: Mon, 20 Oct 2025 13:29:24 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Mon, 27 Oct 2025 17:16:33 +01:00

coresight: trbe: Convert to the new interrupt affinity retrieval API

Now that the relevant interrupt controllers are equipped with a callback
returning the affinity of per-CPU interrupts, switch the TRBE driver over
to this new method.

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/20251020122944.3074811-8-maz@kernel.org
---
drivers/hwtracing/coresight/coresight-trbe.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
index 43643d2..8f17160 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -1474,9 +1474,10 @@ static void arm_trbe_remove_cpuhp(struct trbe_drvdata *drvdata)
static int arm_trbe_probe_irq(struct platform_device *pdev,
struct trbe_drvdata *drvdata)
{
+ const struct cpumask *affinity;
int ret;

- drvdata->irq = platform_get_irq(pdev, 0);
+ drvdata->irq = platform_get_irq_affinity(pdev, 0, &affinity);
if (drvdata->irq < 0) {
pr_err("IRQ not found for the platform device\n");
return drvdata->irq;
@@ -1487,8 +1488,7 @@ static int arm_trbe_probe_irq(struct platform_device *pdev,
return -EINVAL;
}

- if (irq_get_percpu_devid_partition(drvdata->irq, &drvdata->supported_cpus))
- return -EINVAL;
+ cpumask_copy(&drvdata->supported_cpus, affinity);

drvdata->handle = alloc_percpu(struct perf_output_handle *);
if (!drvdata->handle)