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authorPhilipp Deppenwiese <zaolin@das-labor.org>2017-05-03 03:48:51 +0200
committerMartin Roth <martinroth@google.com>2017-05-05 23:33:08 +0200
commit35418f9814a64073550eb63a3bcb2e79021347cb (patch)
treeb2f0e6c064823e2abaf135687e3325e66ac745a4
parent4aaa7e35f5eaa0a97f0564406e8e2ad1398fa740 (diff)
drivers/pc80/tpm: Fix missing tis_close() function
tis_close() must be called after tis_open() otherwise the locked locality isn't released and the sessions hangs. Tested=PC Engines APU2 Change-Id: I1a06f6a29015708e4bc1de6e6678827c28b84e98 Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org> Reviewed-on: https://review.coreboot.org/19535 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
-rw-r--r--src/drivers/pc80/tpm/romstage.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/drivers/pc80/tpm/romstage.c b/src/drivers/pc80/tpm/romstage.c
index a257ba1610..5531458726 100644
--- a/src/drivers/pc80/tpm/romstage.c
+++ b/src/drivers/pc80/tpm/romstage.c
@@ -215,7 +215,6 @@ void init_tpm(int s3resume)
if (tis_open())
return;
-
if (s3resume) {
/* S3 Resume */
printk(BIOS_SPEW, "TPM: Resume\n");
@@ -226,6 +225,7 @@ void init_tpm(int s3resume)
* in S3, so it's already initialized.
*/
printk(BIOS_DEBUG, "TPM: Already initialized.\n");
+ tis_close();
return;
}
} else {
@@ -234,6 +234,8 @@ void init_tpm(int s3resume)
response, sizeof(response));
}
+ tis_close();
+
if (result == TPM_SUCCESS) {
printk(BIOS_SPEW, "TPM: OK.\n");
return;