From: Joerg Roedel <jroedel@xxxxxxx> Make use of dev_iommu_priv_set/get() functions in the code. Tested-by: Hanjun Guo <guohanjun@xxxxxxxxxx> Signed-off-by: Joerg Roedel <jroedel@xxxxxxx> --- drivers/iommu/arm-smmu-v3.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index aa3ac2a03807..2b68498dfb66 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -2659,7 +2659,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) if (!fwspec) return -ENOENT; - master = fwspec->iommu_priv; + master = dev_iommu_priv_get(dev); smmu = master->smmu; arm_smmu_detach_dev(master); @@ -2795,7 +2795,7 @@ static int arm_smmu_add_device(struct device *dev) if (!fwspec || fwspec->ops != &arm_smmu_ops) return -ENODEV; - if (WARN_ON_ONCE(fwspec->iommu_priv)) + if (WARN_ON_ONCE(dev_iommu_priv_get(dev))) return -EBUSY; smmu = arm_smmu_get_by_fwnode(fwspec->iommu_fwnode); @@ -2810,7 +2810,7 @@ static int arm_smmu_add_device(struct device *dev) master->smmu = smmu; master->sids = fwspec->ids; master->num_sids = fwspec->num_ids; - fwspec->iommu_priv = master; + dev_iommu_priv_set(dev, master); /* Check the SIDs are in range of the SMMU and our stream table */ for (i = 0; i < master->num_sids; i++) { @@ -2852,7 +2852,7 @@ static int arm_smmu_add_device(struct device *dev) iommu_device_unlink(&smmu->iommu, dev); err_free_master: kfree(master); - fwspec->iommu_priv = NULL; + dev_iommu_priv_set(dev, NULL); return ret; } @@ -2865,7 +2865,7 @@ static void arm_smmu_remove_device(struct device *dev) if (!fwspec || fwspec->ops != &arm_smmu_ops) return; - master = fwspec->iommu_priv; + master = dev_iommu_priv_get(dev); smmu = master->smmu; arm_smmu_detach_dev(master); iommu_group_remove_device(dev); -- 2.17.1