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...t also fixes the error cleanup path. Signed-off-by: Joerg Roedel <jroedel at suse.de> --- drivers/iommu/iommu.c | 69 ++++++++++++++++++++++++++++--------------- 1 file changed, 46 insertions(+), 23 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 18eb3623bd00..8be047a4808f 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -218,12 +218,55 @@ static int __iommu_probe_device(struct device *dev, struct list_head *group_list return ret; } +static int __iommu_probe_device_helper(struct device *dev) +{ + const struct iommu_ops *ops = dev->bus->iom...

...bus is handled and was probed by the IOMMU driver. Signed-off-by: Joerg Roedel <jroedel at suse.de> --- drivers/iommu/iommu.c | 154 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 151 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 8be047a4808f..7de0e29db333 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -199,7 +199,7 @@ static int __iommu_probe_device(struct device *dev, struct list_head *group_list dev->iommu->iommu_dev = iommu_dev; group = iommu_group_get_for_dev(dev); - if (!IS_ERR(group)) { + if (IS_ERR...

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