While building stable rc queues for arch arm64 on queue/5.15 and queue/5.16 the following build errors / warnings were noticed. ## Fails * arm64, build - gcc-11-defconfig-5e73d44a Committing details, optee: use driver internal tee_context for some rpc commit aceeafefff736057e8f93f19bbfbef26abd94604 upstream. build error / warning. drivers/tee/optee/core.c: In function 'optee_remove': drivers/tee/optee/core.c:591:9: error: implicit declaration of function 'teedev_close_context'; did you mean 'tee_client_close_context'? [-Werror=implicit-function-declaration] 591 | teedev_close_context(optee->ctx); | ^~~~~~~~~~~~~~~~~~~~ | tee_client_close_context drivers/tee/optee/core.c: In function 'optee_probe': drivers/tee/optee/core.c:724:15: error: implicit declaration of function 'teedev_open' [-Werror=implicit-function-declaration] 724 | ctx = teedev_open(optee->teedev); | ^~~~~~~~~~~ drivers/tee/optee/core.c:724:13: warning: assignment to 'struct tee_context *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 724 | ctx = teedev_open(optee->teedev); | ^ drivers/tee/optee/core.c:726:20: warning: operation on 'rc' may be undefined [-Wsequence-point] 726 | rc = rc = PTR_ERR(ctx); | ~~~^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- Linaro LKFT https://lkft.linaro.org [1] https://qa-reports.linaro.org/lkft/linux-stable-rc-queues-queue_5.16/build/v5.16.10-87-gb5b4ed62d295 [2] https://qa-reports.linaro.org/lkft/linux-stable-rc-queues-queue_5.16/build/v5.16.10-87-gb5b4ed62d295