Messages in this thread Patch in this message | | | From | Robin Murphy <> | Subject | [PATCH 07/18] iommu/arm-smmu: Remove arch/arm workaround | Date | Thu, 20 Aug 2020 16:08:26 +0100 |
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Now that arch/arm is wired up for default domains and iommu-dma, remove the add_device workaround.
Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- drivers/iommu/arm/arm-smmu/arm-smmu.c | 10 ---------- 1 file changed, 10 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index 09c42af9f31e..4e52d8cb67dd 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -1164,17 +1164,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) return -ENXIO; } - /* - * FIXME: The arch/arm DMA API code tries to attach devices to its own - * domains between of_xlate() and probe_device() - we have no way to cope - * with that, so until ARM gets converted to rely on groups and default - * domains, just say no (but more politely than by dereferencing NULL). - * This should be at least a WARN_ON once that's sorted. - */ cfg = dev_iommu_priv_get(dev); - if (!cfg) - return -ENODEV; - smmu = cfg->smmu; ret = arm_smmu_rpm_get(smmu); -- 2.28.0.dirty
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