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path: root/drivers/gpu/drm/msm/msm_iommu.c
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-rw-r--r--drivers/gpu/drm/msm/msm_iommu.c31
1 files changed, 3 insertions, 28 deletions
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 4b2ad9181edf..099af483fdf0 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -33,39 +33,14 @@ static int msm_fault_handler(struct iommu_domain *iommu, struct device *dev,
static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
{
- struct drm_device *dev = mmu->dev;
struct msm_iommu *iommu = to_msm_iommu(mmu);
- int i, ret;
-
- for (i = 0; i < cnt; i++) {
- struct device *msm_iommu_get_ctx(const char *ctx_name);
- struct device *ctx = msm_iommu_get_ctx(names[i]);
- if (IS_ERR_OR_NULL(ctx)) {
- dev_warn(dev->dev, "couldn't get %s context", names[i]);
- continue;
- }
- ret = iommu_attach_device(iommu->domain, ctx);
- if (ret) {
- dev_warn(dev->dev, "could not attach iommu to %s", names[i]);
- return ret;
- }
- }
-
- return 0;
+ return iommu_attach_device(iommu->domain, mmu->dev);
}
static void msm_iommu_detach(struct msm_mmu *mmu, const char **names, int cnt)
{
struct msm_iommu *iommu = to_msm_iommu(mmu);
- int i;
-
- for (i = 0; i < cnt; i++) {
- struct device *msm_iommu_get_ctx(const char *ctx_name);
- struct device *ctx = msm_iommu_get_ctx(names[i]);
- if (IS_ERR_OR_NULL(ctx))
- continue;
- iommu_detach_device(iommu->domain, ctx);
- }
+ iommu_detach_device(iommu->domain, mmu->dev);
}
static int msm_iommu_map(struct msm_mmu *mmu, uint32_t iova,
@@ -149,7 +124,7 @@ static const struct msm_mmu_funcs funcs = {
.destroy = msm_iommu_destroy,
};
-struct msm_mmu *msm_iommu_new(struct drm_device *dev, struct iommu_domain *domain)
+struct msm_mmu *msm_iommu_new(struct device *dev, struct iommu_domain *domain)
{
struct msm_iommu *iommu;