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...d by the IOMMU and amd_iommu_add_device() needs to return -ENODEV. Signed-off-by: Joerg Roedel <jroedel at suse.de> --- drivers/iommu/amd_iommu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 504f2db75eda..3e0d27f7622e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2157,9 +2157,12 @@ static int amd_iommu_add_device(struct device *dev) struct amd_iommu *iommu; int ret, devid; - if (!check_device(dev) || get_dev_data(dev)) + if (get_dev_data(dev)) return 0; + if (!check_device...

Hi, here is the second version of this patch-set. The first version with some more introductory text can be found here: https://lore.kernel.org/lkml/20200407183742.4344-1-joro at 8bytes.org/ Changes v1->v2: * Rebased to v5.7-rc1 * Re-wrote the arm-smmu changes as suggested by Robin Murphy * Re-worked the Exynos patches to hopefully not break the driver anymore * Fixed a missing

Hi, here is the second version of this patch-set. The first version with some more introductory text can be found here: https://lore.kernel.org/lkml/20200407183742.4344-1-joro at 8bytes.org/ Changes v1->v2: * Rebased to v5.7-rc1 * Re-wrote the arm-smmu changes as suggested by Robin Murphy * Re-worked the Exynos patches to hopefully not break the driver anymore * Fixed a missing

Hi, here is the third version of this patch-set. Older versions can be found here: v1: https://lore.kernel.org/lkml/20200407183742.4344-1-joro at 8bytes.org/ (Has some more introductory text) v2: https://lore.kernel.org/lkml/20200414131542.25608-1-joro at 8bytes.org/ Changes v2 -> v3: * Rebased v5.7-rc3 * Added a missing iommu_group_put() as reported by Lu Baolu. * Added a

Hi, here is a patch-set to remove all calls of iommu_group_get_for_dev() from the IOMMU drivers and move the per-device group setup and default domain allocation into the IOMMU core code. This eliminates some ugly back and forth between IOMMU core code and the IOMMU drivers, where the driver called iommu_group_get_for_dev() which itself called back into the driver. The patch-set started as a

Hi, here is a patch-set to remove all calls of iommu_group_get_for_dev() from the IOMMU drivers and move the per-device group setup and default domain allocation into the IOMMU core code. This eliminates some ugly back and forth between IOMMU core code and the IOMMU drivers, where the driver called iommu_group_get_for_dev() which itself called back into the driver. The patch-set started as a