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iommu/of: Use device_iommu_mapped() 

Use Use device_iommu_mapped() to check if the device is
already mapped by an IOMMU.

Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
hifive-unleashed-5.1
Joerg Roedel 2018-11-30 14:29:01 +01:00
parent dbba197edf
commit 170ecbd5ff
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/of_iommu.c
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@ -224,7 +224,7 @@ const struct iommu_ops *of_iommu_configure(struct device *dev,
* If we have reason to believe the IOMMU driver missed the initial
* add_device callback for dev, replay it to get things in order.
*/
if (ops && ops->add_device && dev->bus && !dev->iommu_group)
if (ops && ops->add_device && dev->bus && !device_iommu_mapped(dev))
err = ops->add_device(dev);
/* Ignore all other errors apart from EPROBE_DEFER */