From patchwork Fri Jan 22 18:27:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 8092201 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1C7569F744 for ; Fri, 22 Jan 2016 18:27:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 492A0204DE for ; Fri, 22 Jan 2016 18:27:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6C559204AF for ; Fri, 22 Jan 2016 18:27:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932248AbcAVS1T (ORCPT ); Fri, 22 Jan 2016 13:27:19 -0500 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:42185 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932114AbcAVS1Q (ORCPT ); Fri, 22 Jan 2016 13:27:16 -0500 Received: from debutante.sirena.org.uk ([2a01:348:6:8808:fab::3] helo=debutante) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1aMgQS-00052V-BA; Fri, 22 Jan 2016 18:27:13 +0000 Received: from broonie by debutante with local (Exim 4.86) (envelope-from ) id 1aMgQP-0004IK-KG; Fri, 22 Jan 2016 18:27:09 +0000 From: Mark Brown To: Hou Zhiqiang , Mark Brown Cc: linux-spi@vger.kernel.org In-Reply-To: <1453460307-9768-1-git-send-email-Zhiqiang.Hou@freescale.com> Message-Id: Date: Fri, 22 Jan 2016 18:27:09 +0000 X-SA-Exim-Connect-IP: 2a01:348:6:8808:fab::3 X-SA-Exim-Mail-From: broonie@sirena.org.uk X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Subject: Applied "spi/fsl-espi: Correct the maximum transaction length" to the spi tree X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch spi/fsl-espi: Correct the maximum transaction length has been applied to the spi tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 5cfa1e4e0deced0cccedb4b30facb8a8e68e209b Mon Sep 17 00:00:00 2001 From: Hou Zhiqiang Date: Fri, 22 Jan 2016 18:58:26 +0800 Subject: [PATCH] spi/fsl-espi: Correct the maximum transaction length The maximum length during one transcation is 64KiB. Signed-off-by: Hou Zhiqiang Signed-off-by: Mark Brown --- drivers/spi/spi-fsl-espi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 7fd6a4c009d2..7cb0c1921495 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -84,7 +84,7 @@ struct fsl_espi_transfer { /* SPCOM register values */ #define SPCOM_CS(x) ((x) << 30) #define SPCOM_TRANLEN(x) ((x) << 0) -#define SPCOM_TRANLEN_MAX 0xFFFF /* Max transaction length */ +#define SPCOM_TRANLEN_MAX 0x10000 /* Max transaction length */ #define AUTOSUSPEND_TIMEOUT 2000 @@ -233,7 +233,7 @@ static int fsl_espi_bufs(struct spi_device *spi, struct spi_transfer *t) reinit_completion(&mpc8xxx_spi->done); /* Set SPCOM[CS] and SPCOM[TRANLEN] field */ - if ((t->len - 1) > SPCOM_TRANLEN_MAX) { + if (t->len > SPCOM_TRANLEN_MAX) { dev_err(mpc8xxx_spi->dev, "Transaction length (%d)" " beyond the SPCOM[TRANLEN] field\n", t->len); return -EINVAL;