[2/6] iommu/of: Use device_iommu_mapped()
From: Joerg Roedel <joro@8bytes.org>
Date: 2018-12-11 13:43:52
Also in:
linux-acpi, linux-iommu, linux-usb, lkml
Subsystem:
iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
From: Joerg Roedel <redacted> 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 <redacted> --- drivers/iommu/of_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index c5dd63072529..bfcf139503f0 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c@@ -220,7 +220,7 @@ 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 */