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iommu/arm-smmu-v3: Use msi_get_virq()

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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
This commit is contained in:
Thomas Gleixner 2021-12-10 23:19:31 +01:00
parent 8484567055
commit 065afdc9c5
1 changed files with 3 additions and 16 deletions
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19
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
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@ -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);