summaryrefslogtreecommitdiffstats
path: root/drivers/char/tpm/tpm-interface.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/tpm/tpm-interface.c')
-rw-r--r--drivers/char/tpm/tpm-interface.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index afdc83602e9f..e2fa89c88304 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -503,6 +503,21 @@ int tpm_get_timeouts(struct tpm_chip *chip)
struct duration_t *duration_cap;
ssize_t rc;
+ if (chip->flags & TPM_CHIP_FLAG_TPM2) {
+ /* Fixed timeouts for TPM2 */
+ chip->vendor.timeout_a = msecs_to_jiffies(TPM2_TIMEOUT_A);
+ chip->vendor.timeout_b = msecs_to_jiffies(TPM2_TIMEOUT_B);
+ chip->vendor.timeout_c = msecs_to_jiffies(TPM2_TIMEOUT_C);
+ chip->vendor.timeout_d = msecs_to_jiffies(TPM2_TIMEOUT_D);
+ chip->vendor.duration[TPM_SHORT] =
+ msecs_to_jiffies(TPM2_DURATION_SHORT);
+ chip->vendor.duration[TPM_MEDIUM] =
+ msecs_to_jiffies(TPM2_DURATION_MEDIUM);
+ chip->vendor.duration[TPM_LONG] =
+ msecs_to_jiffies(TPM2_DURATION_LONG);
+ return 0;
+ }
+
tpm_cmd.header.in = tpm_getcap_header;
tpm_cmd.params.getcap_in.cap = TPM_CAP_PROP;
tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);