[PATCH v6 21/25] iommu/tegra241-cmdqv: Use request_threaded_irq
From: Nicolin Chen <hidden>
Date: 2025-06-14 07:15:55
Also in:
linux-doc, linux-iommu, linux-kselftest, linux-patches, linux-tegra, lkml
Subsystem:
arm smmu drivers, iommu subsystem, tegra iommu drivers, the rest · Maintainers:
Will Deacon, Joerg Roedel, Thierry Reding, Linus Torvalds
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> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Nicolin Chen <redacted> --- 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