diff mbox series

[v2,2/4] tpm: CRB: set registers to 0 by default

Message ID 1521579171-26213-3-git-send-email-stefanb@linux.vnet.ibm.com
State New
Headers show
Series tpm: Fix initialization of a few flags of CRB interface | expand

Commit Message

Stefan Berger March 20, 2018, 8:52 p.m. UTC 
Initialize all registers of the CRB device to 0. This clears a few
flags upon a reset.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
---
 hw/tpm/tpm_crb.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c
index 114b66e..4bd76b5 100644
--- a/hw/tpm/tpm_crb.c
+++ b/hw/tpm/tpm_crb.c
@@ -208,6 +208,8 @@  static void tpm_crb_reset(void *dev)
 
     tpm_backend_reset(s->tpmbe);
 
+    memset(s->regs, 0, sizeof(s->regs));
+
     ARRAY_FIELD_DP32(s->regs, CRB_LOC_STATE,
                      tpmRegValidSts, 1);
     ARRAY_FIELD_DP32(s->regs, CRB_INTF_ID,