Re: [PATCH v1 06/17] rtc: optee: Migrate to use tee specific driver registration function

Alexandre Belloni via OP-TEE
2025-12-15T13:19:09Z

On 11/12/2025 18:15:00+0100, Uwe Kleine-König wrote:
> The tee subsystem recently got a set of dedicated functions to register
> (and unregister) a tee driver. Make use of them. These care for setting the
> driver's bus (so the explicit assignment can be dropped) and the driver
> owner (which is an improvement this driver benefits from).
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>

Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> ---
> drivers/rtc/rtc-optee.c | 14 +-------------
> 1 file changed, 1 insertion(+), 13 deletions(-)
>
> diff --git a/drivers/rtc/rtc-optee.c b/drivers/rtc/rtc-optee.c
> index 184c6d142801..f924a729ead0 100644
> --- a/drivers/rtc/rtc-optee.c
> +++ b/drivers/rtc/rtc-optee.c
> @@ -726,25 +726,13 @@ static struct tee_client_driver optee_rtc_driver = {
> .id_table = optee_rtc_id_table,
> .driver = {
> .name = "optee_rtc",
> - .bus = &tee_bus_type,
> .probe = optee_rtc_probe,
> .remove = optee_rtc_remove,
> .pm = pm_sleep_ptr(&optee_rtc_pm_ops),
> },
> };
>
> -static int __init optee_rtc_mod_init(void)
> -{
> - return driver_register(&optee_rtc_driver.driver);
> -}
> -
> -static void __exit optee_rtc_mod_exit(void)
> -{
> - driver_unregister(&optee_rtc_driver.driver);
> -}
> -
> -module_init(optee_rtc_mod_init);
> -module_exit(optee_rtc_mod_exit);
> +module_tee_client_driver(optee_rtc_driver);
>
> MODULE_LICENSE("GPL v2");
> MODULE_AUTHOR("Clément Léger <clement.leger@bootlin.com>");
> --
> 2.47.3
>

--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering