Re: [PATCH v2 07/25] coresight: trbe: Convert to new IRQ affinity retrieval API
From: Suzuki K Poulose <suzuki.poulose@arm.com>
Date: 2025-09-15 09:31:03
Also in:
linux-acpi, lkml
On 15/09/2025 09:56, Marc Zyngier wrote:
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>
Assuming this goes via irqchip tree, Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
quoted hunk ↗ jump to hunk
--- 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 8267dd1a2130d..c512f8faa6012 100644 --- a/drivers/hwtracing/coresight/coresight-trbe.c +++ b/drivers/hwtracing/coresight/coresight-trbe.c@@ -1472,9 +1472,10 @@ 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;@@ -1485,8 +1486,7 @@ 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)