[PATCH RFC v1 05/15] iommu/arm-smmu-v3: Set sync op from consumer driver of cd-lib

[Vivek Gautam]

Te change allows different consumers of arm-smmu-v3-cd-lib to set
their respective sync op for pasid entries.

Signed-off-by: Vivek Gautam <vivek.gautam at arm.com>
Cc: Joerg Roedel <joro at 8bytes.org>
Cc: Will Deacon <will.deacon at arm.com>
Cc: Robin Murphy <robin.murphy at arm.com>
Cc: Jean-Philippe Brucker <jean-philippe at linaro.org>
Cc: Eric Auger <eric.auger at redhat.com>
Cc: Alex Williamson <alex.williamson at redhat.com>
Cc: Kevin Tian <kevin.tian at intel.com>
Cc: Jacob Pan <jacob.jun.pan at linux.intel.com>
Cc: Liu Yi L <yi.l.liu at intel.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi at huawei.com>
---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c | 1 -
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c        | 7 +++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c
index ec37476c8d09..acaa09acecdd 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-cd-lib.c
@@ -265,7 +265,6 @@ struct iommu_vendor_psdtable_ops arm_cd_table_ops = {
 	.free	 = arm_smmu_free_cd_tables,
 	.prepare = arm_smmu_prepare_cd,
 	.write	 = arm_smmu_write_ctx_desc,
-	.sync	 = arm_smmu_sync_cd,
 };
 
 struct iommu_pasid_table *arm_smmu_register_cd_table(struct device *dev,
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 2f86c6ac42b6..0c644be22b4b 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -1869,6 +1869,13 @@ static int arm_smmu_domain_finalise_s1(struct arm_smmu_domain *smmu_domain,
 	if (ret)
 		goto out_free_cd_tables;
 
+	/*
+	 * Strange to setup an op here?
+	 * cd-lib is the actual user of sync op, and therefore the platform
+	 * drivers should assign this sync/maintenance ops as per need.
+	 */
+	tbl->ops->sync = arm_smmu_sync_cd;
+
 	/*
 	 * Note that this will end up calling arm_smmu_sync_cd() before
 	 * the master has been added to the devices list for this domain.
-- 
2.17.1