From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751955AbdHaRTN (ORCPT ); Thu, 31 Aug 2017 13:19:13 -0400 Received: from smtp11.infineon.com ([217.10.52.105]:19038 "EHLO smtp11.infineon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751872AbdHaRTI (ORCPT ); Thu, 31 Aug 2017 13:19:08 -0400 X-SBRS: None From: Alexander Steffen To: , CC: , , Alexander Steffen Subject: [PATCH RESEND v2 1/3] tpm2-cmd: Trigger only missing self tests Date: Thu, 31 Aug 2017 19:18:56 +0200 Message-ID: <20170831171858.13252-2-Alexander.Steffen@infineon.com> X-Mailer: git-send-email 2.11.1.windows.1 In-Reply-To: <20170831171858.13252-1-Alexander.Steffen@infineon.com> References: <20170831171858.13252-1-Alexander.Steffen@infineon.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.29.170.103] X-ClientProxiedBy: MUCSE601.infineon.com (172.23.7.102) To MUCSE603.infineon.com (172.23.7.104) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Reviewed-by: Jarkko Sakkinen --- drivers/char/tpm/tpm2-cmd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index e1a41b7..8e940a5 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; -- 2.7.4