diff options
Diffstat (limited to 'drivers/iommu/arm-smmu-v3.c')
| -rw-r--r-- | drivers/iommu/arm-smmu-v3.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 1189c06079d4..ca147978120e 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -1696,24 +1696,26 @@ static void arm_smmu_install_ste_for_dev(struct iommu_fwspec *fwspec) static void arm_smmu_detach_dev(struct device *dev) { - struct arm_smmu_master_data *master = dev->iommu_fwspec->iommu_priv; + struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); + struct arm_smmu_master_data *master = fwspec->iommu_priv; master->ste.assigned = false; - arm_smmu_install_ste_for_dev(dev->iommu_fwspec); + arm_smmu_install_ste_for_dev(fwspec); } static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) { int ret = 0; + struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); struct arm_smmu_device *smmu; struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); struct arm_smmu_master_data *master; struct arm_smmu_strtab_ent *ste; - if (!dev->iommu_fwspec) + if (!fwspec) return -ENOENT; - master = dev->iommu_fwspec->iommu_priv; + master = fwspec->iommu_priv; smmu = master->smmu; ste = &master->ste; @@ -1753,7 +1755,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) ste->s2_cfg = &smmu_domain->s2_cfg; } - arm_smmu_install_ste_for_dev(dev->iommu_fwspec); + arm_smmu_install_ste_for_dev(fwspec); out_unlock: mutex_unlock(&smmu_domain->init_mutex); return ret; @@ -1844,7 +1846,7 @@ static int arm_smmu_add_device(struct device *dev) int i, ret; struct arm_smmu_device *smmu; struct arm_smmu_master_data *master; - struct iommu_fwspec *fwspec = dev->iommu_fwspec; + struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); struct iommu_group *group; if (!fwspec || fwspec->ops != &arm_smmu_ops) @@ -1895,7 +1897,7 @@ static int arm_smmu_add_device(struct device *dev) static void arm_smmu_remove_device(struct device *dev) { - struct iommu_fwspec *fwspec = dev->iommu_fwspec; + struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); struct arm_smmu_master_data *master; struct arm_smmu_device *smmu; |