[PATCH v1 04/17] hwrng: optee - Make use of module_tee_client_driver()

Uwe Kleine-König
2025-12-11T17:15:59Z

Reduce boilerplate by using the newly introduced module_tee_client_driver().
That takes care of assigning the driver's bus, so the explicit assigning
in this driver can be dropped.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
---
drivers/char/hw_random/optee-rng.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
index 96b5d546d136..6ee748c0cf57 100644
--- a/drivers/char/hw_random/optee-rng.c
+++ b/drivers/char/hw_random/optee-rng.c
@@ -281,24 +281,12 @@ static struct tee_client_driver optee_rng_driver = {
.id_table = optee_rng_id_table,
.driver = {
.name = DRIVER_NAME,
- .bus = &tee_bus_type,
.probe = optee_rng_probe,
.remove = optee_rng_remove,
},
};

-static int __init optee_rng_mod_init(void)
-{
- return driver_register(&optee_rng_driver.driver);
-}
-
-static void __exit optee_rng_mod_exit(void)
-{
- driver_unregister(&optee_rng_driver.driver);
-}
-
-module_init(optee_rng_mod_init);
-module_exit(optee_rng_mod_exit);
+module_tee_client_driver(optee_rng_driver);

MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Sumit Garg <sumit.garg@linaro.org>");
--
2.47.3