linux-kernel - [PATCH v1 04/17] hwrng: optee - Make use of module_tee_client

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Message-ID:  <a2560b5a16c01dc1f63437ce0d60b3ee9c7cb3b8.1765472125.git.u.kleine-koenig@baylibre.com>
Date: Thu, 11 Dec 2025 18:14:58 +0100
From: Uwe Kleine-König <u.kleine-koenig@...libre.com>
To: Jens Wiklander <jens.wiklander@...aro.org>,
	Sumit Garg <sumit.garg@...nel.org>,
	Olivia Mackall <olivia@...enic.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Cc: op-tee@...ts.trustedfirmware.org,
	linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 04/17] hwrng: optee - Make use of module_tee_client_driver()

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@...libre.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@...aro.org>");
-- 
2.47.3