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But both drivers have the same name "mtk-iommu". This breaks the registration of the second driver: Error: Driver 'mtk-iommu' is already registered, aborting... Fix this by changing the name for first generation to "mtk-iommu-v1". Fixes: b17336c55d89 ("iommu/mediatek: add support for mtk iommu generation one HW") Signed-off-by: Matthias Brugger --- drivers/iommu/mtk_iommu_v1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c index bc1efbfb9ddf..542930cd183d 100644 --- a/drivers/iommu/mtk_iommu_v1.c +++ b/drivers/iommu/mtk_iommu_v1.c @@ -708,7 +708,7 @@ static struct platform_driver mtk_iommu_driver = { .probe = mtk_iommu_probe, .remove = mtk_iommu_remove, .driver = { - .name = "mtk-iommu", + .name = "mtk-iommu-v1", .of_match_table = mtk_iommu_of_ids, .pm = &mtk_iommu_pm_ops, }