Messages in this thread Patch in this message | | | From | Lu Baolu <> | Subject | [PATCH v3 06/20] iommu/mtk: Remove detach_dev callback | Date | Mon, 28 Nov 2022 14:46:34 +0800 |
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The IOMMU driver supports default domain, so the detach_dev op will never be called. Remove it to avoid dead code.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> --- drivers/iommu/mtk_iommu.c | 9 --------- 1 file changed, 9 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 5dc1009a19ed..2022f47529c1 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -713,14 +713,6 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain, return ret; } -static void mtk_iommu_detach_device(struct iommu_domain *domain, - struct device *dev) -{ - struct mtk_iommu_data *data = dev_iommu_priv_get(dev); - - mtk_iommu_config(data, dev, false, 0); -} - static int mtk_iommu_map(struct iommu_domain *domain, unsigned long iova, phys_addr_t paddr, size_t pgsize, size_t pgcount, int prot, gfp_t gfp, size_t *mapped) @@ -949,7 +941,6 @@ static const struct iommu_ops mtk_iommu_ops = { .owner = THIS_MODULE, .default_domain_ops = &(const struct iommu_domain_ops) { .attach_dev = mtk_iommu_attach_device, - .detach_dev = mtk_iommu_detach_device, .map_pages = mtk_iommu_map, .unmap_pages = mtk_iommu_unmap, .flush_iotlb_all = mtk_iommu_flush_iotlb_all, -- 2.34.1
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