tpm: return false from tpm_amd_is_rng_defective on non-x86 platforms

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commit ecff6813d2 upstream.

tpm_amd_is_rng_defective is for dealing with an issue related to the
AMD firmware TPM, so on non-x86 architectures just have it inline and
return false.

Cc: stable@vger.kernel.org # v6.3+
Reported-by: Sachin Sant <sachinp@linux.ibm.com>
Reported-by: Aneesh Kumar K. V <aneesh.kumar@linux.ibm.com>
Closes: https://lore.kernel.org/lkml/99B81401-DB46-49B9-B321-CF832B50CAC3@linux.ibm.com/
Fixes: f1324bbc40 ("tpm: disable hwrng for fTPM on some AMD designs")
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Jerry Snitselaar 2023-06-29 13:41:47 -07:00 • committed by Greg Kroah-Hartman

parent ad249709d2

commit bb4e824d6b

1 changed files with 7 additions and 0 deletions

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drivers/char/tpm/tpm-chip.c

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