From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E157C83007 for ; Wed, 29 Apr 2020 05:35:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 480E02083B for ; Wed, 29 Apr 2020 05:35:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726501AbgD2FfC (ORCPT ); Wed, 29 Apr 2020 01:35:02 -0400 Received: from mga14.intel.com ([192.55.52.115]:35181 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726486AbgD2FfC (ORCPT ); Wed, 29 Apr 2020 01:35:02 -0400 IronPort-SDR: kNeYML+CgPmBvsKrf/YqwwXOx4P0sxfx6coHVdw9bBC5CLhG5xB+giOa26F0rCsAO9kRTznB+c tt06wcG4FOOA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2020 22:35:02 -0700 IronPort-SDR: s4NeAsRyeeP97mDZ/cj5n+fyYS8RyKuJv8U22zVY0vAzjI97LbdSn1TmcX06rXG7jPOXmHfYEA 6FGq/3el5u7Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,330,1583222400"; d="scan'208";a="459064698" Received: from ramibuso-mobl.ger.corp.intel.com (HELO localhost) ([10.249.47.170]) by fmsmga005.fm.intel.com with ESMTP; 28 Apr 2020 22:34:54 -0700 Date: Wed, 29 Apr 2020 08:34:56 +0300 From: Jarkko Sakkinen To: amirmizi6@gmail.com Cc: Eyal.Cohen@nuvoton.com, oshrialkoby85@gmail.com, alexander.steffen@infineon.com, robh+dt@kernel.org, mark.rutland@arm.com, peterhuewe@gmx.de, jgg@ziepe.ca, arnd@arndb.de, gregkh@linuxfoundation.org, benoit.houyere@st.com, eajames@linux.ibm.com, joel@jms.id.au, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org, oshri.alkoby@nuvoton.com, tmaimon77@gmail.com, gcwilson@us.ibm.com, kgoldman@us.ibm.com, Dan.Morav@nuvoton.com, oren.tanami@nuvoton.com, shmulik.hager@nuvoton.com, amir.mizinski@nuvoton.com, Christophe Ricard Subject: Re: [PATCH v7 2/7] tpm: tpm_tis: Add verify_data_integrity handle toy tpm_tis_phy_ops Message-ID: <20200429053456.GE8452@linux.intel.com> References: <20200427124931.115697-1-amirmizi6@gmail.com> <20200427124931.115697-3-amirmizi6@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200427124931.115697-3-amirmizi6@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon, Apr 27, 2020 at 03:49:26PM +0300, amirmizi6@gmail.com wrote: > + bool (*verify_data_integrity)(struct tpm_tis_data *data, const u8 *buf, > + size_t len); Why can't the i2c driver verify this in the end of read_bytes()? /Jarkko