Re: [PATCH v2 15/17] KEYS: trusted: Make use of tee bus methods

[Jarkko Sakkinen <jarkko@kernel.org>]

On Mon, Dec 15, 2025 at 03:16:45PM +0100, Uwe Kleine-König wrote:
> The tee bus got dedicated callbacks for probe and remove.
> Make use of these. This fixes a runtime warning about the driver needing
> to be converted to the bus methods.
> 
> Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
> ---
>  security/keys/trusted-keys/trusted_tee.c | 12 +++++-------
>  1 file changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/security/keys/trusted-keys/trusted_tee.c b/security/keys/trusted-keys/trusted_tee.c
> index 3cea9a377955..6e465c8bef5e 100644
> --- a/security/keys/trusted-keys/trusted_tee.c
> +++ b/security/keys/trusted-keys/trusted_tee.c
> @@ -202,9 +202,9 @@ static int optee_ctx_match(struct tee_ioctl_version_data *ver, const void *data)
>  		return 0;
>  }
>  
> -static int trusted_key_probe(struct device *dev)
> +static int trusted_key_probe(struct tee_client_device *rng_device)
>  {
> -	struct tee_client_device *rng_device = to_tee_client_device(dev);
> +	struct device *dev = &rng_device->dev;
>  	int ret;
>  	struct tee_ioctl_open_session_arg sess_arg;

I'm sorry but cannot help saying but these not being in reverse tree
order hurts my eyes ;-)

I.e., I'd personally move declaration of sess_arg right after rng_device
despite being additional change to the scope of the patch.

That said, Sumit has the ultimate veto right here, and this not any kind
of fault in this patch so I will obviously ack the patch;

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


>  
> @@ -244,13 +244,11 @@ static int trusted_key_probe(struct device *dev)
>  	return ret;
>  }
>  
> -static int trusted_key_remove(struct device *dev)
> +static void trusted_key_remove(struct tee_client_device *dev)
>  {
>  	unregister_key_type(&key_type_trusted);
>  	tee_client_close_session(pvt_data.ctx, pvt_data.session_id);
>  	tee_client_close_context(pvt_data.ctx);
> -
> -	return 0;
>  }
>  
>  static const struct tee_client_device_id trusted_key_id_table[] = {
> @@ -261,11 +259,11 @@ static const struct tee_client_device_id trusted_key_id_table[] = {
>  MODULE_DEVICE_TABLE(tee, trusted_key_id_table);
>  
>  static struct tee_client_driver trusted_key_driver = {
> +	.probe		= trusted_key_probe,
> +	.remove		= trusted_key_remove,
>  	.id_table	= trusted_key_id_table,
>  	.driver		= {
>  		.name		= DRIVER_NAME,
> -		.probe		= trusted_key_probe,
> -		.remove		= trusted_key_remove,
>  	},
>  };
>  
> -- 
> 2.47.3
> 

BR, Jarkko