[PATCH v4 19/23] iommu/tegra241-cmdqv: Use request_threaded_irq

Nicolin Chen
2025-05-09T03:03:57Z

A vEVENT can be reported only from a threaded IRQ context. Change to using
request_threaded_irq to support that.

Acked-by: Pranjal Shrivastava <praan@google.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
---
drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c b/drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c
index dd7d030d2e89..ba029f7d24ce 100644
--- a/drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c
+++ b/drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c
@@ -824,8 +824,9 @@ __tegra241_cmdqv_probe(struct arm_smmu_device *smmu, struct resource *res,
cmdqv->dev = smmu->impl_dev;

if (cmdqv->irq > 0) {
- ret = request_irq(irq, tegra241_cmdqv_isr, 0, "tegra241-cmdqv",
- cmdqv);
+ ret = request_threaded_irq(irq, NULL, tegra241_cmdqv_isr,
+ IRQF_ONESHOT, "tegra241-cmdqv",
+ cmdqv);
if (ret) {
dev_err(cmdqv->dev, "failed to request irq (%d): %d\n",
cmdqv->irq, ret);
--
2.43.0