On 2023/8/14 23:36, Jason Gunthorpe wrote:
On Mon, Aug 14, 2023 at 02:32:33PM +0800, Baolu Lu wrote:
+ pm_runtime_get_sync(qcom_iommu->dev);
+ for (i = 0; i < fwspec->num_ids; i++) {
+ struct qcom_iommu_ctx *ctx = to_ctx(qcom_domain,
fwspec->ids[i]);
+
+ /* Disable the context bank: */
+ iommu_writel(ctx, ARM_SMMU_CB_SCTLR, 0);
+
+ ctx->domain = NULL;
Does setting ctx->domain to NULL still match this semantics?
Yes, I did not try to fix this driver. NULL means identity in the
ctx->domain.
Okay.
Best regards,
baolu
