On 29.08.23 13:03, Sumit Garg wrote:
Hi Jan,
On Fri, 28 Jul 2023 at 19:18, Sumit Garg sumit.garg@linaro.org wrote:
Currently supplicant dependent optee device enumeration only registers devices whenever tee-supplicant is invoked for the first time. But it forgets to remove devices when tee-supplicant daemon stops running and closes its context gracefully. This leads to following error for fTPM driver during reboot/shutdown:
[ 73.466791] tpm tpm0: ftpm_tee_tpm_op_send: SUBMIT_COMMAND invoke error: 0xffff3024
Fix this by separating supplicant dependent devices so that the user-space service can detach supplicant devices before closing the supplicant. While at it use the global system workqueue for OP-TEE bus scanning work rather than our own custom one.
Reported-by: Jan Kiszka jan.kiszka@siemens.com Link: https://github.com/OP-TEE/optee_os/issues/6094
I see you have marked this issue as resolved. It would be good to have your tested-by tag if it works for you.
Sorry for this very late reply. We finally validated that this works fine for us, though only over 6.1, our current test target. I hope we can enable tip of tree soon as well. But I think I can still add my
Tested-by: Jan Kiszka jan.kiszka@siemens.com
Jan