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author | Tomas Winkler <tomas.winkler@intel.com> | 2018-10-19 21:22:59 +0300 |
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committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-11-13 14:46:31 +0300 |
commit | b03c43702e7be68dab9d443afbdc934ee4096b03 (patch) | |
tree | 7c633db60e138a2f3ab391228951793e1d11c2f6 /drivers/char/tpm/tpm-interface.c | |
parent | 9db7fe187c54f216fc58deb062fe8bd5dc0e27d8 (diff) | |
download | linux-b03c43702e7be68dab9d443afbdc934ee4096b03.tar.xz |
tpm: add tpm_auto_startup() into tpm-interface.c
Add wrapper tpm_auto_startup() to tpm-interface.c
instead of open coded decision between TPM 1.x and TPM 2.x
in tpm-chip.c
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char/tpm/tpm-interface.c')
-rw-r--r-- | drivers/char/tpm/tpm-interface.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index d33060511a27..96f60b63a6cb 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -544,6 +544,21 @@ int tpm_send(struct tpm_chip *chip, void *cmd, size_t buflen) } EXPORT_SYMBOL_GPL(tpm_send); +int tpm_auto_startup(struct tpm_chip *chip) +{ + int rc; + + if (!(chip->ops->flags & TPM_OPS_AUTO_STARTUP)) + return 0; + + if (chip->flags & TPM_CHIP_FLAG_TPM2) + rc = tpm2_auto_startup(chip); + else + rc = tpm1_auto_startup(chip); + + return rc; +} + /* * We are about to suspend. Save the TPM state * so that it can be restored. |