Sumit Garg a953e45ebe tee: optee: Fix supplicant based device enumeration ... [ Upstream commit 7269cba53d ] 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 adding an attribute for supplicant dependent devices so that the user-space service can detect and detach supplicant devices before closing the supplicant: $ for dev in /sys/bus/tee/devices/*; do if [[ -f "$dev/need_supplicant" && -f "$dev/driver/unbind" ]]; \ then echo $(basename "$dev") > $dev/driver/unbind; fi done Reported-by: Jan Kiszka <jan.kiszka@siemens.com> Closes: https://github.com/OP-TEE/optee_os/issues/6094 Fixes: 5f178bb71e ("optee: enable support for multi-stage bus enumeration") Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Acked-by: Jerome Forissier <jerome.forissier@linaro.org> [jw: fixed up Date documentation] Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-12-13 18:27:00 +01:00
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call.c
core.c	optee: use driver internal tee_context for some rpc	2022-03-02 11:42:47 +01:00
device.c	tee: optee: Fix supplicant based device enumeration	2023-12-13 18:27:00 +01:00
Kconfig
Makefile
optee_msg.h
optee_private.h	optee: use driver internal tee_context for some rpc	2022-03-02 11:42:47 +01:00
optee_smc.h
rpc.c	optee: use driver internal tee_context for some rpc	2022-03-02 11:42:47 +01:00
shm_pool.c
shm_pool.h
supp.c