tpm: remove @flags from tpm_transmit()

Remove @flags from tpm_transmit() API. It is no longer used for
anything.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Alexander Steffen <Alexander.Steffen@infineon.com>

1 files changed, 21 insertions, 27 deletions

diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index d6abc964ef66..971d46efaca5 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -197,7 +197,7 @@ int tpm2_pcr_read(struct tpm_chip *chip, u32 pcr_idx, u8 *res_buf)
 	tpm_buf_append(&buf, (const unsigned char *)pcr_select,
 		       sizeof(pcr_select));
 
-	rc = tpm_transmit_cmd(chip, &buf, 0, 0, res_buf ?
+	rc = tpm_transmit_cmd(chip, &buf, 0, res_buf ?
 			      "attempting to read a pcr value" : NULL);
 	if (rc == 0 && res_buf) {
 		out = (struct tpm2_pcr_read_out *)&buf.data[TPM_HEADER_SIZE];
@@ -264,8 +264,7 @@ int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, u32 count,
 		}
 	}
 
-	rc = tpm_transmit_cmd(chip, &buf, 0, 0,
-			      "attempting extend a PCR value");
+	rc = tpm_transmit_cmd(chip, &buf, 0, "attempting extend a PCR value");
 
 	tpm_buf_destroy(&buf);
 
@@ -312,7 +311,7 @@ int tpm2_get_random(struct tpm_chip *chip, u8 *dest, size_t max)
 		err = tpm_transmit_cmd(chip, &buf,
 				       offsetof(struct tpm2_get_random_out,
 						buffer),
-				       0, "attempting get random");
+				       "attempting get random");
 		if (err)
 			goto out;
 
@@ -341,14 +340,11 @@ out:
 }
 
 /**
- * tpm2_flush_context_cmd() - execute a TPM2_FlushContext command
+ * tpm2_flush_context() - execute a TPM2_FlushContext command
  * @chip:	TPM chip to use
  * @handle:	context handle
- * @flags:	tpm transmit flags - bitmap
- *
  */
-void tpm2_flush_context_cmd(struct tpm_chip *chip, u32 handle,
-			    unsigned int flags)
+void tpm2_flush_context(struct tpm_chip *chip, u32 handle)
 {
 	struct tpm_buf buf;
 	int rc;
@@ -362,7 +358,7 @@ void tpm2_flush_context_cmd(struct tpm_chip *chip, u32 handle,
 
 	tpm_buf_append_u32(&buf, handle);
 
-	tpm_transmit_cmd(chip, &buf, 0, flags, "flushing context");
+	tpm_transmit_cmd(chip, &buf, 0, "flushing context");
 	tpm_buf_destroy(&buf);
 }
 
@@ -476,7 +472,7 @@ int tpm2_seal_trusted(struct tpm_chip *chip,
 		goto out;
 	}
 
-	rc = tpm_transmit_cmd(chip, &buf, 4, 0, "sealing data");
+	rc = tpm_transmit_cmd(chip, &buf, 4, "sealing data");
 	if (rc)
 		goto out;
 
@@ -513,7 +509,6 @@ out:
  * @payload: the key data in clear and encrypted form
  * @options: authentication values and other options
  * @blob_handle: returned blob handle
- * @flags: tpm transmit flags
  *
  * Return: 0 on success.
  *        -E2BIG on wrong payload size.
@@ -523,7 +518,7 @@ out:
 static int tpm2_load_cmd(struct tpm_chip *chip,
 			 struct trusted_key_payload *payload,
 			 struct trusted_key_options *options,
-			 u32 *blob_handle, unsigned int flags)
+			 u32 *blob_handle)
 {
 	struct tpm_buf buf;
 	unsigned int private_len;
@@ -558,7 +553,7 @@ static int tpm2_load_cmd(struct tpm_chip *chip,
 		goto out;
 	}
 
-	rc = tpm_transmit_cmd(chip, &buf, 4, flags, "loading blob");
+	rc = tpm_transmit_cmd(chip, &buf, 4, "loading blob");
 	if (!rc)
 		*blob_handle = be32_to_cpup(
 			(__be32 *) &buf.data[TPM_HEADER_SIZE]);
@@ -579,7 +574,6 @@ out:
  * @payload: the key data in clear and encrypted form
  * @options: authentication values and other options
  * @blob_handle: blob handle
- * @flags: tpm_transmit_cmd flags
  *
  * Return: 0 on success
  *         -EPERM on tpm error status
@@ -588,7 +582,7 @@ out:
 static int tpm2_unseal_cmd(struct tpm_chip *chip,
 			   struct trusted_key_payload *payload,
 			   struct trusted_key_options *options,
-			   u32 blob_handle, unsigned int flags)
+			   u32 blob_handle)
 {
 	struct tpm_buf buf;
 	u16 data_len;
@@ -608,7 +602,7 @@ static int tpm2_unseal_cmd(struct tpm_chip *chip,
 			     options->blobauth /* hmac */,
 			     TPM_DIGEST_SIZE);
 
-	rc = tpm_transmit_cmd(chip, &buf, 6, flags, "unsealing");
+	rc = tpm_transmit_cmd(chip, &buf, 6, "unsealing");
 	if (rc > 0)
 		rc = -EPERM;
 
@@ -652,12 +646,12 @@ int tpm2_unseal_trusted(struct tpm_chip *chip,
 	u32 blob_handle;
 	int rc;
 
-	rc = tpm2_load_cmd(chip, payload, options, &blob_handle, 0);
+	rc = tpm2_load_cmd(chip, payload, options, &blob_handle);
 	if (rc)
 		return rc;
 
-	rc = tpm2_unseal_cmd(chip, payload, options, blob_handle, 0);
-	tpm2_flush_context_cmd(chip, blob_handle, 0);
+	rc = tpm2_unseal_cmd(chip, payload, options, blob_handle);
+	tpm2_flush_context(chip, blob_handle);
 	return rc;
 }
 
@@ -693,7 +687,7 @@ ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id,  u32 *value,
 	tpm_buf_append_u32(&buf, TPM2_CAP_TPM_PROPERTIES);
 	tpm_buf_append_u32(&buf, property_id);
 	tpm_buf_append_u32(&buf, 1);
-	rc = tpm_transmit_cmd(chip, &buf, 0, 0, NULL);
+	rc = tpm_transmit_cmd(chip, &buf, 0, NULL);
 	if (!rc) {
 		out = (struct tpm2_get_cap_out *)
 			&buf.data[TPM_HEADER_SIZE];
@@ -723,7 +717,7 @@ void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type)
 	if (rc)
 		return;
 	tpm_buf_append_u16(&buf, shutdown_type);
-	tpm_transmit_cmd(chip, &buf, 0, 0, "stopping the TPM");
+	tpm_transmit_cmd(chip, &buf, 0, "stopping the TPM");
 	tpm_buf_destroy(&buf);
 }
 
@@ -752,7 +746,7 @@ static int tpm2_do_selftest(struct tpm_chip *chip)
 			return rc;
 
 		tpm_buf_append_u8(&buf, full);
-		rc = tpm_transmit_cmd(chip, &buf, 0, 0,
+		rc = tpm_transmit_cmd(chip, &buf, 0,
 				      "attempting the self test");
 		tpm_buf_destroy(&buf);
 
@@ -789,7 +783,7 @@ int tpm2_probe(struct tpm_chip *chip)
 	tpm_buf_append_u32(&buf, TPM2_CAP_TPM_PROPERTIES);
 	tpm_buf_append_u32(&buf, TPM_PT_TOTAL_COMMANDS);
 	tpm_buf_append_u32(&buf, 1);
-	rc = tpm_transmit_cmd(chip, &buf, 0, 0, NULL);
+	rc = tpm_transmit_cmd(chip, &buf, 0, NULL);
 	/* We ignore TPM return codes on purpose. */
 	if (rc >=  0) {
 		out = (struct tpm_header *)buf.data;
@@ -828,7 +822,7 @@ static ssize_t tpm2_get_pcr_allocation(struct tpm_chip *chip)
 	tpm_buf_append_u32(&buf, 0);
 	tpm_buf_append_u32(&buf, 1);
 
-	rc = tpm_transmit_cmd(chip, &buf, 9, 0, "get tpm pcr allocation");
+	rc = tpm_transmit_cmd(chip, &buf, 9, "get tpm pcr allocation");
 	if (rc)
 		goto out;
 
@@ -899,7 +893,7 @@ static int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip)
 	tpm_buf_append_u32(&buf, TPM2_CC_FIRST);
 	tpm_buf_append_u32(&buf, nr_commands);
 
-	rc = tpm_transmit_cmd(chip, &buf, 9 + 4 * nr_commands, 0, NULL);
+	rc = tpm_transmit_cmd(chip, &buf, 9 + 4 * nr_commands, NULL);
 	if (rc) {
 		tpm_buf_destroy(&buf);
 		goto out;
@@ -956,7 +950,7 @@ static int tpm2_startup(struct tpm_chip *chip)
 		return rc;
 
 	tpm_buf_append_u16(&buf, TPM2_SU_CLEAR);
-	rc = tpm_transmit_cmd(chip, &buf, 0, 0, "attempting to start the TPM");
+	rc = tpm_transmit_cmd(chip, &buf, 0, "attempting to start the TPM");
 	tpm_buf_destroy(&buf);
 
 	return rc;