Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755444AbbGTHGy (ORCPT ); Mon, 20 Jul 2015 03:06:54 -0400 Received: from mail-pd0-f179.google.com ([209.85.192.179]:34528 "EHLO mail-pd0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753669AbbGTHGw (ORCPT ); Mon, 20 Jul 2015 03:06:52 -0400 Message-ID: <55AC9E05.7040308@linaro.org> Date: Mon, 20 Jul 2015 12:36:45 +0530 From: Vaibhav Hiremath User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Robert Jarzmik CC: Wolfram Sang , linux-i2c@vger.kernel.org, robh+dt@kernel.org, yizhang@marvell.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH-v4 00/11] i2c: pxa: Fixes, cleanup and support for pxa910 family References: <1436859410-28878-1-git-send-email-vaibhav.hiremath@linaro.org> <20150714113436.GD1517@katana> <55A4F434.9080407@linaro.org> <87d1zqimyc.fsf@belgarion.home> In-Reply-To: <87d1zqimyc.fsf@belgarion.home> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1332 Lines: 48 On Saturday 18 July 2015 01:19 AM, Robert Jarzmik wrote: > Vaibhav Hiremath writes: > >>> So, I applied patches 1-6 to for-next to make some progress. >>> >>> The others need more thought because of the bindings which shall be >>> discussed replying to the patches in question. >>> >>> Thanks for the updated work with lots of proper references. >>> >> >> OK, Thanks and no issues. >> >> Lets discuss more on the bindings. > > I made a simple try on my reference platform with the whole patchset. > It oopses on a NULL dereference. > > The stack is in [1]. > I think it boils down to : > - i2c_pxa_do_sclk_adj() > - reg_ilcr = readl(_ILCR(i2c)); > > I also think the faulty patch is : > - i2c: pxa: Add ILCR (tLow & tHigh) configuration support > > My case, an I2C master case, I'd like you to find the issue and fix it. > Which is this reference platform? Can you share few details - - reference Platform? - DT file if you could - Boot log (if you could) I am using pxa1928 based platform, and I do not see any issues. Thanks, Vaibhav -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/