diff options
| author | Robin Murphy <robin.murphy@arm.com> | 2022-08-15 17:20:13 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-09-07 14:26:15 +0200 |
| commit | 7341c365c3fb80f078e7d87f5f874b83a29e0e74 (patch) | |
| tree | 18329944f70e8bb8e655f31db74bc1e9856d9ec2 /drivers/iommu/mtk_iommu_v1.c | |
| parent | b87d6d7fa405e23478f1e1dff6d66b5a533a5433 (diff) | |
iommu/mtk: Clean up bus_set_iommu()
Stop calling bus_set_iommu() since it's now unnecessary, and simplify
the probe failure paths accordingly.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/9134322ecd24030eebeac73f37ca579094cc7df0.1660572783.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/mtk_iommu_v1.c')
| -rw-r--r-- | drivers/iommu/mtk_iommu_v1.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c index 128c7a3f1778..6e0e65831eb7 100644 --- a/drivers/iommu/mtk_iommu_v1.c +++ b/drivers/iommu/mtk_iommu_v1.c @@ -691,19 +691,11 @@ static int mtk_iommu_v1_probe(struct platform_device *pdev) if (ret) goto out_sysfs_remove; - if (!iommu_present(&platform_bus_type)) { - ret = bus_set_iommu(&platform_bus_type, &mtk_iommu_v1_ops); - if (ret) - goto out_dev_unreg; - } - ret = component_master_add_with_match(dev, &mtk_iommu_v1_com_ops, match); if (ret) - goto out_bus_set_null; + goto out_dev_unreg; return ret; -out_bus_set_null: - bus_set_iommu(&platform_bus_type, NULL); out_dev_unreg: iommu_device_unregister(&data->iommu); out_sysfs_remove: @@ -718,9 +710,6 @@ static int mtk_iommu_v1_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); - clk_disable_unprepare(data->bclk); devm_free_irq(&pdev->dev, data->irq, data); component_master_del(&pdev->dev, &mtk_iommu_v1_com_ops); |