diff options
| author |   Yong Wu <yong.wu@mediatek.com> | 2021-01-11 19:19:12 +0800 |
|---|---|---|
| committer |   Will Deacon <will@kernel.org> | 2021-02-01 11:31:19 +0000 |
| commit | 23357572bec6b7f900d855f6dda9c77bb6d1c2de (patch) | |
| tree | 08f8a8bce30d1c07882bb9715d685419282c34c8 /drivers/iommu | |
| parent | iommu/mediatek: Support master use iova over 32bit (diff) | |
| download | linux-dev-23357572bec6b7f900d855f6dda9c77bb6d1c2de.tar.xz linux-dev-23357572bec6b7f900d855f6dda9c77bb6d1c2de.zip | |
iommu/mediatek: Remove unnecessary check in attach_device
This priv_data is set in the of_xlate. if of_xlate failed, it should
not enter attach_device. remove the unnecessary check.
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Link: https://lore.kernel.org/r/20210111111914.22211-32-yong.wu@mediatek.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 7403a7cb90ea..084fb4394ffc 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -453,9 +453,6 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain, struct device *m4udev = data->dev; int ret, domid; - if (!data) - return -ENODEV; - domid = mtk_iommu_get_domain_id(dev, data->plat_data); if (domid < 0) return domid; @@ -492,9 +489,6 @@ static void mtk_iommu_detach_device(struct iommu_domain *domain, { struct mtk_iommu_data *data = dev_iommu_priv_get(dev); - if (!data) - return; - mtk_iommu_config(data, dev, false, 0); } |