The IOMMU driver supports default domain, so the detach_dev op will never
be called. Remove it to avoid dead code.

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/sun50i-iommu.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
index 5b585eace3d4..2d993d0cea7d 100644
--- a/drivers/iommu/sun50i-iommu.c
+++ b/drivers/iommu/sun50i-iommu.c
@@ -834,7 +834,6 @@ static const struct iommu_ops sun50i_iommu_ops = {
 	.probe_device	= sun50i_iommu_probe_device,
 	.default_domain_ops = &(const struct iommu_domain_ops) {
 		.attach_dev	= sun50i_iommu_attach_device,
-		.detach_dev	= sun50i_iommu_detach_device,
 		.flush_iotlb_all = sun50i_iommu_flush_iotlb_all,
 		.iotlb_sync_map = sun50i_iommu_iotlb_sync_map,
 		.iotlb_sync	= sun50i_iommu_iotlb_sync,
-- 
2.34.1