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path: root/drivers/iommu/fsl_pamu.c
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Diffstat (limited to 'drivers/iommu/fsl_pamu.c')
-rw-r--r--drivers/iommu/fsl_pamu.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c
index 9ee8e9e161f5..9238a85de53e 100644
--- a/drivers/iommu/fsl_pamu.c
+++ b/drivers/iommu/fsl_pamu.c
@@ -44,6 +44,8 @@ static struct paace *spaact;
static bool probed; /* Has PAMU been probed? */
+struct iommu_device pamu_iommu; /* IOMMU core code handle */
+
/*
* Table for matching compatible strings, for device tree
* guts node, for QorIQ SOCs.
@@ -1154,6 +1156,18 @@ static int fsl_pamu_probe(struct platform_device *pdev)
if (ret)
goto error_genpool;
+ ret = iommu_device_sysfs_add(&pamu_iommu, dev, NULL, "iommu0");
+ if (ret)
+ goto error_genpool;
+
+ iommu_device_set_ops(&pamu_iommu, &fsl_pamu_ops);
+
+ ret = iommu_device_register(&pamu_iommu);
+ if (ret) {
+ dev_err(dev, "Can't register iommu device\n");
+ goto error_sysfs;
+ }
+
pamubypenr = in_be32(&guts_regs->pamubypenr);
for (pamu_reg_off = 0, pamu_counter = 0x80000000; pamu_reg_off < size;
@@ -1181,6 +1195,9 @@ static int fsl_pamu_probe(struct platform_device *pdev)
return 0;
+error_sysfs:
+ iommu_device_sysfs_remove(&pamu_iommu);
+
error_genpool:
gen_pool_destroy(spaace_pool);