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path: root/drivers/char/tpm/tpm-interface.c
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Diffstat (limited to 'drivers/char/tpm/tpm-interface.c')
-rw-r--r--drivers/char/tpm/tpm-interface.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 744f1b96128e..498809bf1bf0 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -62,8 +62,7 @@ unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal)
}
EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);
-static ssize_t tpm_try_transmit(struct tpm_chip *chip, void *buf, size_t bufsiz,
- unsigned int flags)
+static ssize_t tpm_try_transmit(struct tpm_chip *chip, void *buf, size_t bufsiz)
{
struct tpm_header *header = buf;
int rc;
@@ -143,7 +142,6 @@ out_recv:
* @chip: a TPM chip to use
* @buf: a TPM command buffer
* @bufsiz: length of the TPM command buffer
- * @flags: TPM transmit flags
*
* A wrapper around tpm_try_transmit() that handles TPM2_RC_RETRY returns from
* the TPM and retransmits the command after a delay up to a maximum wait of
@@ -156,8 +154,7 @@ out_recv:
* * The response length - OK
* * -errno - A system error
*/
-ssize_t tpm_transmit(struct tpm_chip *chip, u8 *buf, size_t bufsiz,
- unsigned int flags)
+ssize_t tpm_transmit(struct tpm_chip *chip, u8 *buf, size_t bufsiz)
{
struct tpm_header *header = (struct tpm_header *)buf;
/* space for header and handles */
@@ -177,7 +174,7 @@ ssize_t tpm_transmit(struct tpm_chip *chip, u8 *buf, size_t bufsiz,
memcpy(save, buf, save_size);
for (;;) {
- ret = tpm_try_transmit(chip, buf, bufsiz, flags);
+ ret = tpm_try_transmit(chip, buf, bufsiz);
if (ret < 0)
break;
rc = be32_to_cpu(header->return_code);
@@ -210,7 +207,6 @@ ssize_t tpm_transmit(struct tpm_chip *chip, u8 *buf, size_t bufsiz,
* @chip: a TPM chip to use
* @buf: a TPM command buffer
* @min_rsp_body_length: minimum expected length of response body
- * @flags: TPM transmit flags
* @desc: command description used in the error message
*
* Return:
@@ -219,14 +215,13 @@ ssize_t tpm_transmit(struct tpm_chip *chip, u8 *buf, size_t bufsiz,
* * TPM_RC - A TPM error
*/
ssize_t tpm_transmit_cmd(struct tpm_chip *chip, struct tpm_buf *buf,
- size_t min_rsp_body_length, unsigned int flags,
- const char *desc)
+ size_t min_rsp_body_length, const char *desc)
{
const struct tpm_header *header = (struct tpm_header *)buf->data;
int err;
ssize_t len;
- len = tpm_transmit(chip, buf->data, PAGE_SIZE, flags);
+ len = tpm_transmit(chip, buf->data, PAGE_SIZE);
if (len < 0)
return len;
@@ -375,8 +370,7 @@ int tpm_send(struct tpm_chip *chip, void *cmd, size_t buflen)
goto out;
memcpy(buf.data, cmd, buflen);
- rc = tpm_transmit_cmd(chip, &buf, 0, 0,
- "attempting to a send a command");
+ rc = tpm_transmit_cmd(chip, &buf, 0, "attempting to a send a command");
tpm_buf_destroy(&buf);
out:
tpm_put_ops(chip);
@@ -416,9 +410,9 @@ int tpm_pm_suspend(struct device *dev)
if (chip->flags & TPM_CHIP_FLAG_TPM2) {
mutex_lock(&chip->tpm_mutex);
- if (!tpm_chip_start(chip, 0)) {
+ if (!tpm_chip_start(chip)) {
tpm2_shutdown(chip, TPM2_SU_STATE);
- tpm_chip_stop(chip, 0);
+ tpm_chip_stop(chip);
}
mutex_unlock(&chip->tpm_mutex);
} else {