From patchwork Fri Oct 19 18:22:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Winkler, Tomas" X-Patchwork-Id: 10650045 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 193F93B73 for ; Fri, 19 Oct 2018 18:29:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0AFC028478 for ; Fri, 19 Oct 2018 18:29:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F363328464; Fri, 19 Oct 2018 18:29:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A2C6B28470 for ; Fri, 19 Oct 2018 18:29:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727792AbeJTCeq (ORCPT ); Fri, 19 Oct 2018 22:34:46 -0400 Received: from mga01.intel.com ([192.55.52.88]:54180 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727547AbeJTCep (ORCPT ); Fri, 19 Oct 2018 22:34:45 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Oct 2018 11:27:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,401,1534834800"; d="scan'208";a="267150069" Received: from twinkler-lnx.jer.intel.com ([10.12.91.48]) by orsmga005.jf.intel.com with ESMTP; 19 Oct 2018 11:27:22 -0700 From: Tomas Winkler To: Jarkko Sakkinen , Jason Gunthorpe Cc: Nayna Jain , Alexander Usyskin , Tadeusz Struk , linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, Tomas Winkler , stable@vger.kernel.org Subject: [PATCH v7 01/21] tpm: tpm_i2c_nuvoton: use correct command duration for TPM 2.x Date: Fri, 19 Oct 2018 21:22:47 +0300 Message-Id: <20181019182307.17745-2-tomas.winkler@intel.com> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20181019182307.17745-1-tomas.winkler@intel.com> References: <20181019182307.17745-1-tomas.winkler@intel.com> Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP tpm_i2c_nuvoton calculated commands duration using TPM 1.x values via tpm_calc_ordinal_duration() also for TPM 2.x chips. Call tpm2_calc_ordinal_duration() for retrieving ordinal duration for TPM 2.X chips. Cc: stable@vger.kernel.org Cc: Nayna Jain Signed-off-by: Tomas Winkler Reviewed-by: Nayna Jain Tested-by: Nayna Jain (For TPM 2.0) Reviewed-by: Jarkko Sakkinen --- V7: new in the series. drivers/char/tpm/tpm_i2c_nuvoton.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index caa86b19c76d..f74f451baf6a 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -369,6 +369,7 @@ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len) struct device *dev = chip->dev.parent; struct i2c_client *client = to_i2c_client(dev); u32 ordinal; + unsigned long duration; size_t count = 0; int burst_count, bytes2write, retries, rc = -EIO; @@ -455,10 +456,12 @@ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len) return rc; } ordinal = be32_to_cpu(*((__be32 *) (buf + 6))); - rc = i2c_nuvoton_wait_for_data_avail(chip, - tpm_calc_ordinal_duration(chip, - ordinal), - &priv->read_queue); + if (chip->flags & TPM_CHIP_FLAG_TPM2) + duration = tpm2_calc_ordinal_duration(chip, ordinal); + else + duration = tpm_calc_ordinal_duration(chip, ordinal); + + rc = i2c_nuvoton_wait_for_data_avail(chip, duration, &priv->read_queue); if (rc) { dev_err(dev, "%s() timeout command duration\n", __func__); i2c_nuvoton_ready(chip);