diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2021-12-10 23:19:31 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2021-12-16 22:16:41 +0100 |
commit | 065afdc9c521f05c53f226dabe5dda2d30294d65 (patch) | |
tree | 40106a6bdb2f456aacd9336582db5f19328e8f84 /drivers/iommu | |
parent | perf/smmuv3: Use msi_get_virq() (diff) | |
download | linux-065afdc9c521f05c53f226dabe5dda2d30294d65.tar.xz linux-065afdc9c521f05c53f226dabe5dda2d30294d65.zip |
iommu/arm-smmu-v3: Use msi_get_virq()
Let the core code fiddle with the MSI descriptor retrieval.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20211210221815.089008198@linutronix.de
Diffstat (limited to 'drivers/iommu')
-rw-r--r-- | drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index beaf91bca30a..6dc6d8b6b368 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -3154,7 +3154,6 @@ static void arm_smmu_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg) static void arm_smmu_setup_msis(struct arm_smmu_device *smmu) { - struct msi_desc *desc; int ret, nvec = ARM_SMMU_MAX_MSIS; struct device *dev = smmu->dev; @@ -3182,21 +3181,9 @@ static void arm_smmu_setup_msis(struct arm_smmu_device *smmu) return; } - for_each_msi_entry(desc, dev) { - switch (desc->msi_index) { - case EVTQ_MSI_INDEX: - smmu->evtq.q.irq = desc->irq; - break; - case GERROR_MSI_INDEX: - smmu->gerr_irq = desc->irq; - break; - case PRIQ_MSI_INDEX: - smmu->priq.q.irq = desc->irq; - break; - default: /* Unknown */ - continue; - } - } + smmu->evtq.q.irq = msi_get_virq(dev, EVTQ_MSI_INDEX); + smmu->gerr_irq = msi_get_virq(dev, GERROR_MSI_INDEX); + smmu->priq.q.irq = msi_get_virq(dev, PRIQ_MSI_INDEX); /* Add callback to free MSIs on teardown */ devm_add_action(dev, arm_smmu_free_msis, dev); |