Global system workqueue is sufficient to suffice OP-TEE bus scanning work needs. So drop redundant usage of the custom workqueue.
Tested-by: Jan Kiszka jan.kiszka@siemens.com Tested-by: Masahisa Kojima masahisa.kojima@linaro.org Signed-off-by: Sumit Garg sumit.garg@linaro.org --- drivers/tee/optee/core.c | 13 ++----------- drivers/tee/optee/optee_private.h | 2 -- 2 files changed, 2 insertions(+), 13 deletions(-)
diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index 2a258bd3b6b5..1eaa191b6ff6 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -15,7 +15,6 @@ #include <linux/string.h> #include <linux/tee_drv.h> #include <linux/types.h> -#include <linux/workqueue.h> #include "optee_private.h"
int optee_pool_op_alloc_helper(struct tee_shm_pool *pool, struct tee_shm *shm, @@ -110,12 +109,7 @@ int optee_open(struct tee_context *ctx, bool cap_memref_null)
if (!optee->scan_bus_done) { INIT_WORK(&optee->scan_bus_work, optee_bus_scan); - optee->scan_bus_wq = create_workqueue("optee_bus_scan"); - if (!optee->scan_bus_wq) { - kfree(ctxdata); - return -ECHILD; - } - queue_work(optee->scan_bus_wq, &optee->scan_bus_work); + schedule_work(&optee->scan_bus_work); optee->scan_bus_done = true; } } @@ -158,10 +152,7 @@ void optee_release_supp(struct tee_context *ctx) struct optee *optee = tee_get_drvdata(ctx->teedev);
optee_release_helper(ctx, optee_close_session_helper); - if (optee->scan_bus_wq) { - destroy_workqueue(optee->scan_bus_wq); - optee->scan_bus_wq = NULL; - } + optee_supp_release(&optee->supp); }
diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h index 6bb5cae09688..94c0ee381894 100644 --- a/drivers/tee/optee/optee_private.h +++ b/drivers/tee/optee/optee_private.h @@ -178,7 +178,6 @@ struct optee_ops { * @pool: shared memory pool * @rpc_param_count: If > 0 number of RPC parameters to make room for * @scan_bus_done flag if device registation was already done. - * @scan_bus_wq workqueue to scan optee bus and register optee drivers * @scan_bus_work workq to scan optee bus and register optee drivers */ struct optee { @@ -197,7 +196,6 @@ struct optee { struct tee_shm_pool *pool; unsigned int rpc_param_count; bool scan_bus_done; - struct workqueue_struct *scan_bus_wq; struct work_struct scan_bus_work; };