It's hard to undo bus_set_iommu() in the error path, so move it to the end of rk_iommu_probe().
Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com> Reviewed-by: Tomasz Figa <tf...@chromium.org> Reviewed-by: Robin Murphy <robin.mur...@arm.com> --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: Move bus_set_iommu() to rk_iommu_probe(). drivers/iommu/rockchip-iommu.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 1346bbb8a3e7..2448a0528e39 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1133,6 +1133,8 @@ static int rk_iommu_probe(struct platform_device *pdev) if (!dma_dev) dma_dev = &pdev->dev; + bus_set_iommu(&platform_bus_type, &rk_iommu_ops); + return 0; err_remove_sysfs: iommu_device_sysfs_remove(&iommu->iommu); @@ -1158,19 +1160,6 @@ static struct platform_driver rk_iommu_driver = { static int __init rk_iommu_init(void) { - struct device_node *np; - int ret; - - np = of_find_matching_node(NULL, rk_iommu_dt_ids); - if (!np) - return 0; - - of_node_put(np); - - ret = bus_set_iommu(&platform_bus_type, &rk_iommu_ops); - if (ret) - return ret; - return platform_driver_register(&rk_iommu_driver); } subsys_initcall(rk_iommu_init); -- 2.11.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu