From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46706) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eyOFm-0008L9-MU for qemu-devel@nongnu.org; Tue, 20 Mar 2018 16:53:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eyOFh-00022E-Nj for qemu-devel@nongnu.org; Tue, 20 Mar 2018 16:53:06 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:35060 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eyOFh-00021s-HQ for qemu-devel@nongnu.org; Tue, 20 Mar 2018 16:53:01 -0400 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w2KKmfLL052324 for ; Tue, 20 Mar 2018 16:53:00 -0400 Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by mx0a-001b2d01.pphosted.com with ESMTP id 2gu6hag2r9-1 (version=TLSv1.2 cipher=AES256-SHA256 bits=256 verify=NOT) for ; Tue, 20 Mar 2018 16:53:00 -0400 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 20 Mar 2018 14:52:58 -0600 From: Stefan Berger Date: Tue, 20 Mar 2018 16:52:49 -0400 In-Reply-To: <1521579171-26213-1-git-send-email-stefanb@linux.vnet.ibm.com> References: <1521579171-26213-1-git-send-email-stefanb@linux.vnet.ibm.com> Message-Id: <1521579171-26213-3-git-send-email-stefanb@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v2 2/4] tpm: CRB: set registers to 0 by default List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: marcandre.lureau@redhat.com, Stefan Berger Initialize all registers of the CRB device to 0. This clears a few flags upon a reset. Signed-off-by: Stefan Berger --- hw/tpm/tpm_crb.c | 2 ++ 1 file changed, 2 insertions(+) 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, -- 2.5.5