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authorAlexander Steffen <Alexander.Steffen@infineon.com>2017-08-31 19:18:56 +0200
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2017-10-18 18:28:46 +0300
commit2482b1bba5122b1d5516c909832bdd282015b8e9 (patch)
tree7696e630b2999ffb72ff08b7de6d0537d55397bc /drivers/char
parent6b3a13173f23e798e1ba213dd4a2c065a3b8d751 (diff)
downloadlinux-2482b1bba5122b1d5516c909832bdd282015b8e9.tar.bz2
tpm: Trigger only missing TPM 2.0 self tests
tpm2_do_selftest is only used during initialization of the TPM to ensure that the device functions correctly. Therefore, it is sufficient to request only missing self tests (parameter full_test=0), not a reexecution of all self tests, as was done before. This allows for a faster execution of this command. Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/tpm/tpm2-cmd.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index e1a41b788f08..8e940a530df8 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -865,7 +865,7 @@ static int tpm2_start_selftest(struct tpm_chip *chip, bool full)
}
/**
- * tpm2_do_selftest() - run a full self test
+ * tpm2_do_selftest() - ensure that all self tests have passed
*
* @chip: TPM chip to use
*
@@ -886,7 +886,7 @@ static int tpm2_do_selftest(struct tpm_chip *chip)
loops = jiffies_to_msecs(duration) / delay_msec;
- rc = tpm2_start_selftest(chip, true);
+ rc = tpm2_start_selftest(chip, false);
if (rc)
return rc;