linux-kernel - [PATCH v1 16/17] tpm/tpm_ftpm_tee: Make use of tee specific driver registration

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Message-ID:  <812e5c580599b27d4f752ba8cfc35ad5371ab545.1765472125.git.u.kleine-koenig@baylibre.com>
Date: Thu, 11 Dec 2025 18:15:10 +0100
From: Uwe Kleine-König <u.kleine-koenig@...libre.com>
To: Jens Wiklander <jens.wiklander@...aro.org>,
	Peter Huewe <peterhuewe@....de>,
	Jarkko Sakkinen <jarkko@...nel.org>
Cc: Jason Gunthorpe <jgg@...pe.ca>,
	Sumit Garg <sumit.garg@...nel.org>,
	op-tee@...ts.trustedfirmware.org,
	linux-integrity@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 16/17] tpm/tpm_ftpm_tee: Make use of tee specific driver registration

tee_client_driver_register() is typed more strongly and cares about
assigning the driver's bus. Similar for tee_client_driver_unregister().

Make use of these functions.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...libre.com>
---
 drivers/char/tpm/tpm_ftpm_tee.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/char/tpm/tpm_ftpm_tee.c b/drivers/char/tpm/tpm_ftpm_tee.c
index 4e63c30aeaf1..e5fbc70b0eca 100644
--- a/drivers/char/tpm/tpm_ftpm_tee.c
+++ b/drivers/char/tpm/tpm_ftpm_tee.c
@@ -338,7 +338,6 @@ static struct tee_client_driver ftpm_tee_driver = {
 	.id_table	= optee_ftpm_id_table,
 	.driver		= {
 		.name		= "optee-ftpm",
-		.bus		= &tee_bus_type,
 		.probe		= ftpm_tee_probe,
 		.remove		= ftpm_tee_remove,
 	},
@@ -352,7 +351,7 @@ static int __init ftpm_mod_init(void)
 	if (rc)
 		return rc;
 
-	rc = driver_register(&ftpm_tee_driver.driver);
+	rc = tee_client_driver_register(&ftpm_tee_driver);
 	if (rc) {
 		platform_driver_unregister(&ftpm_tee_plat_driver);
 		return rc;
@@ -364,7 +363,7 @@ static int __init ftpm_mod_init(void)
 static void __exit ftpm_mod_exit(void)
 {
 	platform_driver_unregister(&ftpm_tee_plat_driver);
-	driver_unregister(&ftpm_tee_driver.driver);
+	tee_client_driver_unregister(&ftpm_tee_driver);
 }
 
 module_init(ftpm_mod_init);
-- 
2.47.3