linux-kernel - Re: [PATCH v2 14/17] KEYS: trusted: Migrate to use tee specific driver registration function

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Message-ID: <aUCFLJe6k_5UAmM0@kernel.org>
Date: Tue, 16 Dec 2025 00:01:16 +0200
From: Jarkko Sakkinen <jarkko@...nel.org>
To: Uwe Kleine-König <u.kleine-koenig@...libre.com>
Cc: Jens Wiklander <jens.wiklander@...aro.org>,
	Sumit Garg <sumit.garg@...nel.org>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	Mimi Zohar <zohar@...ux.ibm.com>,
	David Howells <dhowells@...hat.com>,
	Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	linux-integrity@...r.kernel.org, keyrings@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	op-tee@...ts.trustedfirmware.org, linux-kernel@...r.kernel.org,
	Sumit Garg <sumit.garg@....qualcomm.com>
Subject: Re: [PATCH v2 14/17] KEYS: trusted: Migrate to use tee specific
 driver registration function

On Mon, Dec 15, 2025 at 03:16:44PM +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).
> 
> Reviewed-by: Sumit Garg <sumit.garg@....qualcomm.com>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...libre.com>
> ---
>  security/keys/trusted-keys/trusted_tee.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/security/keys/trusted-keys/trusted_tee.c b/security/keys/trusted-keys/trusted_tee.c
> index aa3d477de6db..3cea9a377955 100644
> --- a/security/keys/trusted-keys/trusted_tee.c
> +++ b/security/keys/trusted-keys/trusted_tee.c
> @@ -264,7 +264,6 @@ static struct tee_client_driver trusted_key_driver = {
>  	.id_table	= trusted_key_id_table,
>  	.driver		= {
>  		.name		= DRIVER_NAME,
> -		.bus		= &tee_bus_type,
>  		.probe		= trusted_key_probe,
>  		.remove		= trusted_key_remove,
>  	},
> @@ -272,12 +271,12 @@ static struct tee_client_driver trusted_key_driver = {
>  
>  static int trusted_tee_init(void)
>  {
> -	return driver_register(&trusted_key_driver.driver);
> +	return tee_client_driver_register(&trusted_key_driver);
>  }
>  
>  static void trusted_tee_exit(void)
>  {
> -	driver_unregister(&trusted_key_driver.driver);
> +	tee_client_driver_unregister(&trusted_key_driver);
>  }
>  
>  struct trusted_key_ops trusted_key_tee_ops = {
> -- 
> 2.47.3
> 

Reviewed-by: Jarkko Sakkinen <jarkko@...nel.org>

BR, Jarkko