mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 02:39:48 +00:00
iommu/mediatek: Add list_del in mtk_iommu_remove
[ Upstream commitee55f75e4b
] 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 could be a fix for mt2712 which support 2 M4U HW and list them. Fixes:7c3a2ec028
("iommu/mediatek: Merge 2 M4U HWs into one iommu domain") Signed-off-by: Yong Wu <yong.wu@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20220503071427.2285-6-yong.wu@mediatek.com Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
fe6cce4fc2
commit
a4afbad549
1 changed files with 1 additions and 2 deletions
|
@ -954,8 +954,7 @@ 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);
|
||||
|
||||
clk_disable_unprepare(data->bclk);
|
||||
device_link_remove(data->smicomm_dev, &pdev->dev);
|
||||
|
|
Loading…
Reference in a new issue