Thread (19 messages) flat view 19 messages, 2 authors, 2021-06-11

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

From: Tyler Hicks <hidden>
Date: 2021-06-09 14:53:05
Also in: lkml, op-tee

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 <redacted>
Reviewed-by: Tyler Hicks <redacted>

Tyler
quoted hunk ↗ jump to hunk
---
 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
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