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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 63062C43381 for ; Fri, 22 Mar 2019 12:17:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2AD4221939 for ; Fri, 22 Mar 2019 12:17:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553257057; bh=HP3GtE7eHT3gdDnkySswv6XY9jBceEiDLDqisp1lq1o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mx52yMli18Bn9jPMt7uzYmENK3sYlpbHDpHn8CTDAH8tD4bcdLMVccLiWV8NG7JS7 9Rv9toOTwenztLihhSIYnmqTZD55K/ld6v2awx4+FO93cpfBHg1WCpzwqX9ufq7mNj XcmTKfhE48iQDQ4/ayq+HMwbJtV2l9nb4fJ4DpM0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390390AbfCVMRf (ORCPT ); Fri, 22 Mar 2019 08:17:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:56456 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390362AbfCVMRd (ORCPT ); Fri, 22 Mar 2019 08:17:33 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1CFAE21900; Fri, 22 Mar 2019 12:17:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553257052; bh=HP3GtE7eHT3gdDnkySswv6XY9jBceEiDLDqisp1lq1o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oGtC/V+I82zZMgRBT+663qXzQEI1BEv+f3CLGVivBeO2ZbGJULlbXRlskLjWEY63Q e95ipgGUMOIhEFPh1TEmDP1mTzsWJ6niT+jtHyAXl3M9K04c+AbkBfvNqC/kDmXlPQ shyKQwm9xr+DHAV2EY1FMyhb793rKu4LhCwrOkoU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dmitry Osipenko , Sowjanya Komatineni , Wolfram Sang Subject: [PATCH 5.0 117/238] i2c: tegra: fix maximum transfer size Date: Fri, 22 Mar 2019 12:15:36 +0100 Message-Id: <20190322111305.416975659@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190322111258.383569278@linuxfoundation.org> References: <20190322111258.383569278@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 5.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sowjanya Komatineni commit f4e3f4ae1d9c9330de355f432b69952e8cef650c upstream. Tegra186 and prior supports maximum 4K bytes per packet transfer including 12 bytes of packet header. This patch fixes max write length limit to account packet header size for transfers. Cc: stable@vger.kernel.org # 4.4+ Reviewed-by: Dmitry Osipenko Signed-off-by: Sowjanya Komatineni Signed-off-by: Wolfram Sang Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-tegra.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -837,7 +837,7 @@ static const struct i2c_algorithm tegra_ static const struct i2c_adapter_quirks tegra_i2c_quirks = { .flags = I2C_AQ_NO_ZERO_LEN, .max_read_len = 4096, - .max_write_len = 4096, + .max_write_len = 4096 - 12, }; static const struct i2c_adapter_quirks tegra194_i2c_quirks = {