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

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Message-ID:  <a586934215a4971f9920398655cb85fd29d91c9f.1765472125.git.u.kleine-koenig@baylibre.com>
Date: Thu, 11 Dec 2025 18:15:00 +0100
From: Uwe Kleine-König <u.kleine-koenig@...libre.com>
To: Jens Wiklander <jens.wiklander@...aro.org>,
	Clément Léger <clement.leger@...tlin.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: Sumit Garg <sumit.garg@...nel.org>,
	op-tee@...ts.trustedfirmware.org,
	linux-rtc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 06/17] rtc: optee: Migrate to use tee specific driver registration function

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@...libre.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@...tlin.com>");
-- 
2.47.3