Re: [PATCH 5/7] tpm_ftpm_tee: use tee_shm_alloc_kernel_buf()

On 2021-06-09 12:23:22, 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/tpm/tpm_ftpm_tee.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/char/tpm/tpm_ftpm_tee.c b/drivers/char/tpm/tpm_ftpm_tee.c index 2ccdf8ac6994..6e3235565a4d 100644 --- a/drivers/char/tpm/tpm_ftpm_tee.c +++ b/drivers/char/tpm/tpm_ftpm_tee.c @@ -254,11 +254,11 @@ static int ftpm_tee_probe(struct device *dev) pvt_data->session = sess_arg.session; /* Allocate dynamic shared memory with fTPM TA */

• pvt_data->shm = tee_shm_alloc(pvt_data->ctx,

• 		      MAX_COMMAND_SIZE + MAX_RESPONSE_SIZE,
  

• 		      TEE_SHM_MAPPED | TEE_SHM_DMA_BUF);
  

• pvt_data->shm = tee_shm_alloc_kernel_buf(pvt_data->ctx,

• 				 MAX_COMMAND_SIZE +
  

• 				 MAX_RESPONSE_SIZE);
  

  if (IS_ERR(pvt_data->shm)) {

• dev_err(dev, "%s: tee_shm_alloc failed\n", __func__);
  

• dev_err(dev, "%s: tee_shm_alloc_kernel_buf failed\n", __func__);
  

  rc = -ENOMEM; goto out_shm_alloc; }

-- 2.31.1