diff mbox series

[4/7] hwrng: optee-rng: use tee_shm_alloc_kernel_buf()

Message ID 20210609102324.2222332-5-jens.wiklander@linaro.org (mailing list archive)
State New, archived
Headers show
Series tee: shared memory updates | expand

Commit Message

Jens Wiklander June 9, 2021, 10:23 a.m. UTC
Uses the new simplified tee_shm_alloc_kernel_buf() function instead of
the old deprecated tee_shm_alloc() function which required specific
TEE_SHM-flags.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
---
 drivers/char/hw_random/optee-rng.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Comments

Tyler Hicks June 9, 2021, 2:51 p.m. UTC | #1
On 2021-06-09 12:23:21, Jens Wiklander wrote:
> Uses the new simplified tee_shm_alloc_kernel_buf() function instead of
> the old deprecated tee_shm_alloc() function which required specific
> TEE_SHM-flags.
> 
> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>

Tyler

> ---
>  drivers/char/hw_random/optee-rng.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
> index 135a82590923..a948c0727b2b 100644
> --- a/drivers/char/hw_random/optee-rng.c
> +++ b/drivers/char/hw_random/optee-rng.c
> @@ -145,10 +145,10 @@ static int optee_rng_init(struct hwrng *rng)
>  	struct optee_rng_private *pvt_data = to_optee_rng_private(rng);
>  	struct tee_shm *entropy_shm_pool = NULL;
>  
> -	entropy_shm_pool = tee_shm_alloc(pvt_data->ctx, MAX_ENTROPY_REQ_SZ,
> -					 TEE_SHM_MAPPED | TEE_SHM_DMA_BUF);
> +	entropy_shm_pool = tee_shm_alloc_kernel_buf(pvt_data->ctx,
> +						    MAX_ENTROPY_REQ_SZ);
>  	if (IS_ERR(entropy_shm_pool)) {
> -		dev_err(pvt_data->dev, "tee_shm_alloc failed\n");
> +		dev_err(pvt_data->dev, "tee_shm_alloc_kernel_buf failed\n");
>  		return PTR_ERR(entropy_shm_pool);
>  	}
>  
> -- 
> 2.31.1
>
diff mbox series

Patch

diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
index 135a82590923..a948c0727b2b 100644
--- a/drivers/char/hw_random/optee-rng.c
+++ b/drivers/char/hw_random/optee-rng.c
@@ -145,10 +145,10 @@  static int optee_rng_init(struct hwrng *rng)
 	struct optee_rng_private *pvt_data = to_optee_rng_private(rng);
 	struct tee_shm *entropy_shm_pool = NULL;
 
-	entropy_shm_pool = tee_shm_alloc(pvt_data->ctx, MAX_ENTROPY_REQ_SZ,
-					 TEE_SHM_MAPPED | TEE_SHM_DMA_BUF);
+	entropy_shm_pool = tee_shm_alloc_kernel_buf(pvt_data->ctx,
+						    MAX_ENTROPY_REQ_SZ);
 	if (IS_ERR(entropy_shm_pool)) {
-		dev_err(pvt_data->dev, "tee_shm_alloc failed\n");
+		dev_err(pvt_data->dev, "tee_shm_alloc_kernel_buf failed\n");
 		return PTR_ERR(entropy_shm_pool);
 	}