Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1755598AbdLGNYf (ORCPT <rfc822;w@1wt.eu>);
        Thu, 7 Dec 2017 08:24:35 -0500
Received: from mx07-00178001.pphosted.com ([62.209.51.94]:56395 "EHLO
        mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK)
        by vger.kernel.org with ESMTP id S1755528AbdLGNYb (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 7 Dec 2017 08:24:31 -0500
Subject: Re: [PATCH] i2c: stm32: Fixes multibyte transfer for STM32F4 I2C
 controller
To: Wolfram Sang <wsa@the-dreams.de>,
        =?UTF-8?Q?Rados=c5=82aw_Pietrzyk?= <radoslaw.pietrzyk@gmail.com>
CC: Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@st.com>,
        "open list:I2C SUBSYSTEM" <linux-i2c@vger.kernel.org>,
        "moderated list:ARM/STM32 ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>,
        open list <linux-kernel@vger.kernel.org>
References: <1507722788-31224-1-git-send-email-radoslaw.pietrzyk@gmail.com>
 <990c3275-35b3-68da-453c-d1a80e867df7@st.com>
 <CAFvLkMS6+o3D88Rj23of56KtjonwFAVD_aEP3eWaA2H=U5WP4Q@mail.gmail.com>
 <2d892fec-0496-8a6f-51c9-439b933d9975@st.com>
 <CAFvLkMS9Q801biCBYp+fJeiOo22zr436Td43PH3GG8E6diSL3A@mail.gmail.com>
 <b24d9699-a88d-6a83-ceaf-140ea8b4db97@st.com>
 <CAFvLkMTsgxpjoGRgq7J0NFkT=YsOTYL6smkVhOPcfD=26Hzutg@mail.gmail.com>
 <20171207105229.jxxyfofsgub27nip@ninjato>
From: Pierre Yves MORDRET <pierre-yves.mordret@st.com>
Message-ID: <dae4399e-4209-b052-a4c0-8a11c17ce032@st.com>
Date: Thu, 7 Dec 2017 14:23:52 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.5.0
MIME-Version: 1.0
In-Reply-To: <20171207105229.jxxyfofsgub27nip@ninjato>
Content-Type: text/plain; charset="utf-8"
Content-Language: en-US
Content-Transfer-Encoding: 8bit
X-Originating-IP: [10.75.127.44]
X-ClientProxiedBy: SFHDAG5NODE1.st.com (10.75.127.13) To SFHDAG5NODE2.st.com
 (10.75.127.14)
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-12-07_05:,,
 signatures=0
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 620
Lines: 18


I do believe some investigation has to be done prior merging this patch.
The impact is genuine and has to be tested thoroughly before granting an ack.

Thus I prefer having a better understanding of the issue.
I will try to work on this later on.

Regards


On 12/07/2017 11:52 AM, Wolfram Sang wrote:
> On Tue, Oct 24, 2017 at 01:45:43PM +0200, Radosław Pietrzyk wrote:
>> I'm afraid that didn't help and the problem still exists even with
>> those patches applied.
> 
> So, my reading is: There is an issue which needs to be investigated?
> Does applying the patch make sense until the issue is fully understood?
>