From patchwork Wed Jul 20 02:34:20 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: apronin@chromium.org X-Patchwork-Id: 650529 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3rvLbK235Cz9sxS for ; Wed, 20 Jul 2016 12:34:37 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=sfs-ml-4.v29.ch3.sourceforge.com) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1bPhLD-0000Ma-U6; Wed, 20 Jul 2016 02:34:31 +0000 Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1bPhLC-0000MU-KH for tpmdd-devel@lists.sourceforge.net; Wed, 20 Jul 2016 02:34:30 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of chromium.org designates 209.85.220.47 as permitted sender) client-ip=209.85.220.47; envelope-from=apronin@chromium.org; helo=mail-pa0-f47.google.com; Received: from mail-pa0-f47.google.com ([209.85.220.47]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1bPhLB-0000QT-VJ for tpmdd-devel@lists.sourceforge.net; Wed, 20 Jul 2016 02:34:30 +0000 Received: by mail-pa0-f47.google.com with SMTP id pp5so12941804pac.3 for ; Tue, 19 Jul 2016 19:34:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=lqPIglbOxDUhg2c7/GmrELaOgvmRF2wT0pLXCHETdI0=; b=gc6S6GB3qf5BR2sr95cFdvIK87qinL3pAuEPrmLqWggTB1exeaVhDGa5IDz8T0b2jC 1Qh04j8y8Hxi7XVz68SFN1e/tjBGFgR7tG4bUS/oLTS7VVvD+XEGh7ZbZ29ykSkoSD9g wDwk59SzakG8gRWuUqoMnXlo9o5+eS9HrsYh3hY1Fo737BhFPEpTXW9fyXxcUt1PCxoz 7y47hCI85e7428P4m3ZC0L/HbKmyG8IHKrf9sbCz28yobCCOfZhgIIbVws4/R0vMtGmC R/Ec0va8QLx4DN7M71o6QzrrX6cHyFHhBIFAr7nb53LSCMJvX542d6drQoNL7WdDTX/M ZDHQ== X-Gm-Message-State: ALyK8tLburvojOnvjY4xXSJQrVOBF/JCWVeY2/pLzkglXtWCo9z1Yw9jzRmuVnmnvHlyKQxR X-Received: by 10.66.162.4 with SMTP id xw4mr38628690pab.97.1468982064267; Tue, 19 Jul 2016 19:34:24 -0700 (PDT) Received: from apronin0.mtv.corp.google.com ([172.22.64.136]) by smtp.gmail.com with ESMTPSA id x184sm324300pfd.70.2016.07.19.19.34.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 19 Jul 2016 19:34:23 -0700 (PDT) From: Andrey Pronin To: Jarkko Sakkinen Date: Tue, 19 Jul 2016 19:34:20 -0700 Message-Id: X-Mailer: git-send-email 2.8.0.rc3.226.g39d4020 In-Reply-To: References: <1468546745-14646-1-git-send-email-apronin@chromium.org> In-Reply-To: References: <1468546745-14646-1-git-send-email-apronin@chromium.org> X-Spam-Score: -1.6 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1bPhLB-0000QT-VJ Cc: Christophe Ricard , linux-kernel@vger.kernel.org, tpmdd-devel@lists.sourceforge.net Subject: [tpmdd-devel] [PATCH v2 2/2] tpm_tis_spi: add max xfer size X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Tpm Device Driver maintainance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: tpmdd-devel-bounces@lists.sourceforge.net Reject burstcounts larger than 64 bytes reported by tpm. SPI Hardware Protocol defined in section 6.4 of TCG PTP Spec supports up to 64 bytes of data in a transaction. Signed-off-by: Andrey Pronin --- drivers/char/tpm/tpm_tis_spi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c index dbaad9c..b103373 100644 --- a/drivers/char/tpm/tpm_tis_spi.c +++ b/drivers/char/tpm/tpm_tis_spi.c @@ -206,6 +206,7 @@ static const struct tpm_tis_phy_ops tpm_spi_phy_ops = { .read16 = tpm_tis_spi_read16, .read32 = tpm_tis_spi_read32, .write32 = tpm_tis_spi_write32, + .max_xfer_size = MAX_SPI_FRAMESIZE, }; static int tpm_tis_spi_probe(struct spi_device *dev)