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Diffstat (limited to 'drivers/iommu/fsl_pamu_domain.c')
-rw-r--r--drivers/iommu/fsl_pamu_domain.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index 914953b87bf1..e0fcd079cca9 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -33,6 +33,8 @@ static struct kmem_cache *fsl_pamu_domain_cache;
static struct kmem_cache *iommu_devinfo_cache;
static DEFINE_SPINLOCK(device_domain_lock);
+struct iommu_device pamu_iommu; /* IOMMU core code handle */
+
static struct fsl_dma_domain *to_fsl_dma_domain(struct iommu_domain *dom)
{
return container_of(dom, struct fsl_dma_domain, iommu_domain);
@@ -1050,7 +1052,7 @@ static u32 fsl_pamu_get_windows(struct iommu_domain *domain)
return dma_domain->win_cnt;
}
-const struct iommu_ops fsl_pamu_ops = {
+static const struct iommu_ops fsl_pamu_ops = {
.capable = fsl_pamu_capable,
.domain_alloc = fsl_pamu_domain_alloc,
.domain_free = fsl_pamu_domain_free,
@@ -1076,6 +1078,19 @@ int __init pamu_domain_init(void)
if (ret)
return ret;
+ ret = iommu_device_sysfs_add(&pamu_iommu, NULL, NULL, "iommu0");
+ if (ret)
+ return ret;
+
+ iommu_device_set_ops(&pamu_iommu, &fsl_pamu_ops);
+
+ ret = iommu_device_register(&pamu_iommu);
+ if (ret) {
+ iommu_device_sysfs_remove(&pamu_iommu);
+ pr_err("Can't register iommu device\n");
+ return ret;
+ }
+
bus_set_iommu(&platform_bus_type, &fsl_pamu_ops);
bus_set_iommu(&pci_bus_type, &fsl_pamu_ops);