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| author |   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-11-05 03:02:38 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2019-02-13 09:48:46 +0200 |
| commit | 47a6c28b6861b14a69e36ba974d2ffa1746e8e6f (patch) | |
| tree | 360d56bf556dd92e0042220cfc80bf4e456f7eba /drivers/char/tpm/tpm-interface.c | |
| parent | tpm: take TPM chip power gating out of tpm_transmit() (diff) | |
| download | linux-dev-47a6c28b6861b14a69e36ba974d2ffa1746e8e6f.tar.xz linux-dev-47a6c28b6861b14a69e36ba974d2ffa1746e8e6f.zip | |
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>
Diffstat (limited to 'drivers/char/tpm/tpm-interface.c')
| -rw-r--r-- | drivers/char/tpm/tpm-interface.c | 22 |
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 { |