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R. Silva" , Sumit Semwal , =?UTF-8?Q?Christian_K=C3=B6nig?= , linux-arm-msm@vger.kernel.org, op-tee@lists.trustedfirmware.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-doc@vger.kernel.org Content-Type: text/plain; charset="UTF-8" On Wed, 14 May 2025 at 11:37, Sumit Garg wrote: > > Hi Amir, > > I am still unable to get the QCOMTEE driver to work on db845c. As I can > see machine: "qcom,sdm845" is not supported for tzmem based on SHM > brigde here: drivers/firmware/qcom/qcom_tzmem.c +81. I am still seeing > following logs from userspace: > > # /mnt/unittest -d > [test_print_diagnostics_info][31] test_get_client_env_object. > [test_supplicant_release][65] test_supplicant_worker killed. > > I think you should first check here for SHM bridge support. If available > then only add a QTEE platform device. > On platforms not supporting SHM Bridge, the module should fall back to non-SHM mode. Isn't it the case? Bart