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authorRobin Murphy <robin.murphy@arm.com>2022-06-21 17:14:26 +0200
committerJoerg Roedel <jroedel@suse.de>2022-07-06 12:55:53 +0200
commitb321a2fba2734cbac799034081e20dcdb321ef4f (patch)
treeb22d084945c6411de221e30b4aa972ef9fee1fc8 /drivers/iommu/msm_iommu.c
parentiommu: Use dev_iommu_ops() for probe_finalize (diff)
downloadlinux-b321a2fba2734cbac799034081e20dcdb321ef4f.tar.xz
linux-b321a2fba2734cbac799034081e20dcdb321ef4f.zip
iommu: Make .release_device optional
Many drivers do nothing meaningful for .release_device, and it's neatly abstracted to just two callsites in the core code, so let's make it optional to implement. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/bda9d3eb4527eac8f6544a15067e2529cca54a2e.1655822151.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/msm_iommu.c')
-rw-r--r--drivers/iommu/msm_iommu.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index f09aedfdd462..428919a474c1 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -394,10 +394,6 @@ static struct iommu_device *msm_iommu_probe_device(struct device *dev)
return &iommu->iommu;
}
-static void msm_iommu_release_device(struct device *dev)
-{
-}
-
static int msm_iommu_attach_dev(struct iommu_domain *domain, struct device *dev)
{
int ret = 0;
@@ -677,7 +673,6 @@ fail:
static struct iommu_ops msm_iommu_ops = {
.domain_alloc = msm_iommu_domain_alloc,
.probe_device = msm_iommu_probe_device,
- .release_device = msm_iommu_release_device,
.device_group = generic_device_group,
.pgsize_bitmap = MSM_IOMMU_PGSIZES,
.of_xlate = qcom_iommu_of_xlate,