The add_device()/remove_device() was removed on Kernel 5.8.

Convert the driver to use probe_device/release_device.

Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
---
 drivers/staging/hikey9xx/hisi_smmu_lpae.c | 31 +++++------------------
 1 file changed, 6 insertions(+), 25 deletions(-)

diff --git a/drivers/staging/hikey9xx/hisi_smmu_lpae.c 
b/drivers/staging/hikey9xx/hisi_smmu_lpae.c
index 1fe57c10e745..c8c7e8e3dde2 100644
--- a/drivers/staging/hikey9xx/hisi_smmu_lpae.c
+++ b/drivers/staging/hikey9xx/hisi_smmu_lpae.c
@@ -529,33 +529,14 @@ static bool hisi_smmu_capable(enum iommu_cap cap)
        return false;
 }
 
-static int hisi_smmu_add_device(struct device *dev)
+static struct iommu_device *hisi_smmu_probe_device(struct device *dev)
 {
-       struct hisi_smmu_device_lpae *iommu = hisi_smmu_dev;
-       struct iommu_group *group;
-
-       if (iommu)
-               iommu_device_link(&iommu->iommu, dev);
-       else
-               return -ENODEV;
-
-       group = iommu_group_get_for_dev(dev);
-       if (IS_ERR(group))
-               return PTR_ERR(group);
-
-       iommu_group_put(group);
-
-       return 0;
+       return &hisi_smmu_dev->iommu;
 }
 
-static void hisi_smmu_remove_device(struct device *dev)
+static void hisi_smmu_release_device(struct device *dev)
 {
-       struct hisi_smmu_device_lpae *iommu = hisi_smmu_dev;
-
-       if (iommu)
-               iommu_device_unlink(&iommu->iommu, dev);
-
-       iommu_group_remove_device(dev);
+       /* As just one SMMU is possible, nothing to do here */
 }
 
 static struct iommu_ops hisi_smmu_ops = {
@@ -567,8 +548,8 @@ static struct iommu_ops hisi_smmu_ops = {
        .map            = hisi_smmu_map_lpae,
        .unmap          = hisi_smmu_unmap_lpae,
        .iova_to_phys   = hisi_smmu_iova_to_phys_lpae,
-       .add_device     = hisi_smmu_add_device,
-       .remove_device  = hisi_smmu_remove_device,
+       .probe_device   = hisi_smmu_probe_device,
+       .release_device = hisi_smmu_release_device,
        .device_group   = generic_device_group,
        .pgsize_bitmap  = SMMU_PAGE_SIZE,
 };
-- 
2.26.2

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to