diff mbox series

[v2,17/19] iommu/arm-smmu-v3: Use the identity/blocked domain during release

Message ID 17-v2-de8b10590bf5+400-smmuv3_newapi_p1_jgg@nvidia.com (mailing list archive)
State New, archived
Headers show
Series Update SMMUv3 to the modern iommu API (part 1/3) | expand

Commit Message

Jason Gunthorpe Nov. 13, 2023, 5:53 p.m. UTC 
Consolidate some more core by having release call
arm_smmu_attach_dev_identity/blocked() instead of open coding this.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

Comments

Nicolin Chen Dec. 5, 2023, 4:07 a.m. UTC | #1 
On Mon, Nov 13, 2023 at 01:53:24PM -0400, Jason Gunthorpe wrote:
> Consolidate some more core by having release call
> arm_smmu_attach_dev_identity/blocked() instead of open coding this.
> 
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
diff mbox series

Patch

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 48981c2ff7a746..331568e086c70a 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -2900,19 +2900,16 @@  static struct iommu_device *arm_smmu_probe_device(struct device *dev)
 static void arm_smmu_release_device(struct device *dev)
 {
 	struct arm_smmu_master *master = dev_iommu_priv_get(dev);
-	struct arm_smmu_ste target;
 
 	if (WARN_ON(arm_smmu_master_sva_enabled(master)))
 		iopf_queue_remove_device(master->smmu->evtq.iopf, dev);
 
 	/* Put the STE back to what arm_smmu_init_strtab() sets */
 	if (disable_bypass && !dev->iommu->require_direct)
-		arm_smmu_make_abort_ste(&target);
+		arm_smmu_attach_dev_blocked(&arm_smmu_blocked_domain, dev);
 	else
-		arm_smmu_make_bypass_ste(&target);
-	arm_smmu_install_ste_for_dev(master, &target);
+		arm_smmu_attach_dev_identity(&arm_smmu_identity_domain, dev);
 
-	arm_smmu_detach_dev(master);
 	arm_smmu_disable_pasid(master);
 	arm_smmu_remove_master(master);
 	if (master->cd_table.cdtab)