security/tpm: Fix references to tpm_setup function
Change-Id: Ia97ddcd5471f8e5db50f57b67a766f08a08180b1 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/29349 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
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@ -103,10 +103,10 @@ static uint32_t tpm_setup_epilogue(uint32_t result)
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/*
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* tpm_setup starts the TPM and establishes the root of trust for the
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* anti-rollback mechanism. SetupTPM can fail for three reasons. 1 A bug. 2 a
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* TPM hardware failure. 3 An unexpected TPM state due to some attack. In
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* anti-rollback mechanism. tpm_setup can fail for three reasons. 1 A bug.
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* 2 a TPM hardware failure. 3 An unexpected TPM state due to some attack. In
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* general we cannot easily distinguish the kind of failure, so our strategy is
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* to reboot in recovery mode in all cases. The recovery mode calls SetupTPM
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* to reboot in recovery mode in all cases. The recovery mode calls tpm_setup
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* again, which executes (almost) the same sequence of operations. There is a
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* good chance that, if recovery mode was entered because of a TPM failure, the
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* failure will repeat itself. (In general this is impossible to guarantee
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