static int msm_iommu_attach(struct msm_mmu *mmu, const char **names, int cnt)
{
+ struct device *dev = mmu->dev;
struct msm_iommu *iommu = to_msm_iommu(mmu);
- return iommu_attach_device(iommu->domain, mmu->dev);
+ 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, "couldn't get %s context", names[i]);
+ continue;
+ }
+ ret = iommu_attach_device(iommu->domain, ctx);
+ if (ret) {
+ dev_warn(dev, "could not attach iommu to %s", names[i]);
+ return ret;
+ }
+ }
+
+ return 0;
}
static void msm_iommu_detach(struct msm_mmu *mmu, const char **names, int cnt)
{
struct msm_iommu *iommu = to_msm_iommu(mmu);
- iommu_detach_device(iommu->domain, mmu->dev);
+ 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);
+ }
}
static int msm_iommu_map(struct msm_mmu *mmu, uint32_t iova,