Now that we have a struct io_pgtable_domain_attr with quirks,
use that for non_strict mode as well thereby removing the need
for more members of arm_smmu_domain in the future.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx>
---
drivers/iommu/arm/arm-smmu/arm-smmu.c | 15 +++++++++------
drivers/iommu/arm/arm-smmu/arm-smmu.h | 1 -
2 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 4b9b10fe50ed..d8979bb71fc0 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -786,9 +786,6 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain,
goto out_clear_smmu;
}
- if (smmu_domain->non_strict)
- pgtbl_cfg.quirks |= IO_PGTABLE_QUIRK_NON_STRICT;
-
if (smmu_domain->pgtbl_cfg.quirks)
pgtbl_cfg.quirks |= smmu_domain->pgtbl_cfg.quirks;
@@ -1526,9 +1523,12 @@ static int arm_smmu_domain_get_attr(struct iommu_domain *domain,
break;
case IOMMU_DOMAIN_DMA:
switch (attr) {
- case DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE:
- *(int *)data = smmu_domain->non_strict;
+ case DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE: {
+ bool non_strict = smmu_domain->pgtbl_cfg.quirks &
+ IO_PGTABLE_QUIRK_NON_STRICT;
+ *(int *)data = non_strict;
return 0;
+ }
default:
return -ENODEV;
}
@@ -1578,7 +1578,10 @@ static int arm_smmu_domain_set_attr(struct iommu_domain *domain,
case IOMMU_DOMAIN_DMA:
switch (attr) {
case DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE:
- smmu_domain->non_strict = *(int *)data;
+ if (*(int *)data)
+ smmu_domain->pgtbl_cfg.quirks |= IO_PGTABLE_QUIRK_NON_STRICT;
+ else
+ smmu_domain->pgtbl_cfg.quirks &= ~IO_PGTABLE_QUIRK_NON_STRICT;
break;
default:
ret = -ENODEV;
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.h b/drivers/iommu/arm/arm-smmu/arm-smmu.h
index bb5a419f240f..cb7ca3a444c9 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.h
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.h
@@ -368,7 +368,6 @@ struct arm_smmu_domain {
const struct iommu_flush_ops *flush_ops;
struct arm_smmu_cfg cfg;
enum arm_smmu_domain_stage stage;
- bool non_strict;
struct mutex init_mutex; /* Protects smmu pointer */
spinlock_t cb_lock; /* Serialises ATS1* ops and TLB syncs */
struct iommu_domain domain;
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
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