Lack the list_del in the mtk_iommu_remove, and remove
bus_set_iommu(*, NULL) since there may be several iommu HWs.
we can not bus_set_iommu null when one iommu driver unbind.
This issue is not so important, No need fix tags.
Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
---
drivers/iommu/mtk_iommu.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index faea4a0d922f..2818b984c905 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -980,8 +980,7 @@ static int mtk_iommu_remove(struct platform_device *pdev)
iommu_device_sysfs_remove(&data->iommu);
iommu_device_unregister(&data->iommu);
- if (iommu_present(&platform_bus_type))
- bus_set_iommu(&platform_bus_type, NULL);
+ list_del(&data->list);
if (MTK_IOMMU_IS_TYPE(data->plat_data, MTK_IOMMU_TYPE_MM)) {
device_link_remove(data->smicomm_dev, &pdev->dev);
--
2.18.0
