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authorJason Gunthorpe <jgg@nvidia.com>2023-05-11 01:42:06 -0300
committerJoerg Roedel <jroedel@suse.de>2023-05-23 08:15:54 +0200
commit2f74198ae006c50a4188ae02c10e2c7b0b8142da (patch)
tree87935a10f9d9044aa2dcf93c56c37f82552842bd /drivers/iommu
parent0046a4337eae148510173680f82b483f7c3b7ded (diff)
iommu: Replace iommu_group_do_dma_first_attach with __iommu_device_set_domain
Since __iommu_device_set_domain() now knows how to handle deferred attach we can just call it directly from the only call site. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Niklas Schnelle <schnelle@linux.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/8-v5-1b99ae392328+44574-iommu_err_unwind_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/iommu.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index fa2b669ecf4b..ea61a81c0006 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -106,6 +106,10 @@ enum {
IOMMU_SET_DOMAIN_MUST_SUCCEED = 1 << 0,
};
+static int __iommu_device_set_domain(struct iommu_group *group,
+ struct device *dev,
+ struct iommu_domain *new_domain,
+ unsigned int flags);
static int __iommu_group_set_domain_internal(struct iommu_group *group,
struct iommu_domain *new_domain,
unsigned int flags);
@@ -401,17 +405,6 @@ err_unlock:
return ret;
}
-static int iommu_group_do_dma_first_attach(struct device *dev, void *data)
-{
- struct iommu_domain *domain = data;
-
- lockdep_assert_held(&dev->iommu_group->mutex);
-
- if (dev->iommu->attach_deferred)
- return 0;
- return __iommu_attach_device(domain, dev);
-}
-
int iommu_probe_device(struct device *dev)
{
const struct iommu_ops *ops;
@@ -442,7 +435,7 @@ int iommu_probe_device(struct device *dev)
* attach the default domain.
*/
if (group->default_domain && !group->owner) {
- ret = iommu_group_do_dma_first_attach(dev, group->default_domain);
+ ret = __iommu_device_set_domain(group, dev, group->domain, 0);
if (ret) {
mutex_unlock(&group->mutex);
iommu_group_put(group);