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authorSumit Garg <sumit.garg@linaro.org>2023-11-02 13:00:56 +0530
committerJens Wiklander <jens.wiklander@linaro.org>2023-11-14 11:02:21 +0100
commitcab4a9bc06fdd9d605d7df2665e64e5c48f2db84 (patch)
treef705002da82a28ded9224d258e62c71dac330d25 /drivers/tee
parent7269cba53d906cf257c139d3b3a53ad272176bca (diff)
downloadlwn-cab4a9bc06fdd9d605d7df2665e64e5c48f2db84.tar.gz
lwn-cab4a9bc06fdd9d605d7df2665e64e5c48f2db84.zip
tee: optee: Remove redundant custom workqueue
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> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'drivers/tee')
-rw-r--r--drivers/tee/optee/core.c13
-rw-r--r--drivers/tee/optee/optee_private.h2
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;
};