The core code bakes its own cookies now. Signed-off-by: Robin Murphy <robin.mur...@arm.com> --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 7 ------- drivers/iommu/arm/arm-smmu/arm-smmu.c | 10 +++------- drivers/iommu/arm/arm-smmu/qcom_iommu.c | 8 -------- 3 files changed, 3 insertions(+), 22 deletions(-)
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 235f9bdaeaf2..039f371d2f8b 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -1984,12 +1984,6 @@ static struct iommu_domain *arm_smmu_domain_alloc(unsigned type) if (!smmu_domain) return NULL; - if (type == IOMMU_DOMAIN_DMA && - iommu_get_dma_cookie(&smmu_domain->domain)) { - kfree(smmu_domain); - return NULL; - } - mutex_init(&smmu_domain->init_mutex); INIT_LIST_HEAD(&smmu_domain->devices); spin_lock_init(&smmu_domain->devices_lock); @@ -2021,7 +2015,6 @@ static void arm_smmu_domain_free(struct iommu_domain *domain) struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); struct arm_smmu_device *smmu = smmu_domain->smmu; - iommu_put_dma_cookie(domain); free_io_pgtable_ops(smmu_domain->pgtbl_ops); /* Free the CD and ASID, if we allocated them */ diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c index f22dbeb1e510..354be8f4c0ef 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -872,6 +872,9 @@ static struct iommu_domain *arm_smmu_domain_alloc(unsigned type) type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_IDENTITY) return NULL; + + if (type == IOMMU_DOMAIN_DMA && using_legacy_binding) + return NULL; /* * Allocate the domain and initialise some of its data structures. * We can't really do anything meaningful until we've added a @@ -881,12 +884,6 @@ static struct iommu_domain *arm_smmu_domain_alloc(unsigned type) if (!smmu_domain) return NULL; - if (type == IOMMU_DOMAIN_DMA && (using_legacy_binding || - iommu_get_dma_cookie(&smmu_domain->domain))) { - kfree(smmu_domain); - return NULL; - } - mutex_init(&smmu_domain->init_mutex); spin_lock_init(&smmu_domain->cb_lock); @@ -901,7 +898,6 @@ static void arm_smmu_domain_free(struct iommu_domain *domain) * Free the domain resources. We assume that all devices have * already been detached. */ - iommu_put_dma_cookie(domain); arm_smmu_destroy_domain_context(domain); kfree(smmu_domain); } diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c index 021cf8f65ffc..4b7eca5f5148 100644 --- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c +++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c @@ -335,12 +335,6 @@ static struct iommu_domain *qcom_iommu_domain_alloc(unsigned type) if (!qcom_domain) return NULL; - if (type == IOMMU_DOMAIN_DMA && - iommu_get_dma_cookie(&qcom_domain->domain)) { - kfree(qcom_domain); - return NULL; - } - mutex_init(&qcom_domain->init_mutex); spin_lock_init(&qcom_domain->pgtbl_lock); @@ -351,8 +345,6 @@ static void qcom_iommu_domain_free(struct iommu_domain *domain) { struct qcom_iommu_domain *qcom_domain = to_qcom_iommu_domain(domain); - iommu_put_dma_cookie(domain); - if (qcom_domain->iommu) { /* * NOTE: unmap can be called after client device is powered -- 2.25.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu