From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752032AbaIKCOQ (ORCPT ); Wed, 10 Sep 2014 22:14:16 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:49011 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751222AbaIKCOO (ORCPT ); Wed, 10 Sep 2014 22:14:14 -0400 X-AuditID: cbfee68e-f79536d000000fd1-86-541105731b1d Message-id: <54110573.3070304@samsung.com> Date: Thu, 11 Sep 2014 11:14:11 +0900 From: Jaehoon Chung User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-version: 1.0 To: Pavel Machek , Olof Johansson Cc: Seungwon Jeon , Chris Ball , "linux-mmc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , =?windows-1252?Q?Marek_Va=9Aut?= Subject: Re: [PATCH] fix mmc hang during boot on socfpga References: <20140909121902.GA22965@amd> <20140909205618.GA32688@amd> In-reply-to: <20140909205618.GA32688@amd> Content-type: text/plain; charset=windows-1252 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPIsWRmVeSWpSXmKPExsWyRsSkSLeYVTDE4ORBJYsJl7czWlzeNYfN 4sj/fkaLN22NjBanrn9mszi6wcXiw/2LzA7sHvNmnWDxuHKiidXjxquFTB59W1YxenzeJBfA GsVlk5Kak1mWWqRvl8CV8fTNMeaCJxwVK84fZWxgfMHWxcjJISFgInF3wRdGCFtM4sK99WBx IYGljBJT3sjA1Dy9+4kRIj6dUWLDEr8uRi4g+zWjxMHuBrAEr4CWRP/zK8wgNouAqsSr1yvZ QWw2AR2J7d+OM4HYogJhEofa5jFB1AtK/Jh8jwXEFhFwlNj06DfYYmaB74wSU2dXgtjCAhYS C/cvZ4VY1sco0fDvO9gyTgFNiYMtDUALOIAa9CTuX9SC6JWX2LzmLTPE0afYJb49c4e4R0Di 2+RDLCDlEgKyEpsOQJVIShxccYNlAqPYLCQXzUIYOgvJ0AWMzKsYRVMLkguKk9KLjPSKE3OL S/PS9ZLzczcxAuPt9L9nfTsYbx6wPsQowMGoxMNbwSIYIsSaWFZcmXuI0RToiInMUqLJ+cCo ziuJNzQ2M7IwNTE1NjK3NFMS502Q+hksJJCeWJKanZpakFoUX1Sak1p8iJGJg1OqgXH9u9VK mRM2nPvLaCtus39BYZJD0kUjp0zd4plLpKY5Xl7gw1qg/prddpfbzRe34vJTVLVu7fb2uPm+ dYP51Qm/hB6/43EqYLyiEKutdjlm3omntnnTsxendu3vVaq2Z4xcm24vO6nkE/8P+YItU/0u TrdL+C5wP/qp75bv7asWeX1UuKqS063EUpyRaKjFXFScCAA5JLLtsgIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrNIsWRmVeSWpSXmKPExsVy+t9jQd1iVsEQg3mHpC0mXN7OaHF51xw2 iyP/+xkt3rQ1Mlqcuv6ZzeLoBheLD/cvMjuwe8ybdYLF48qJJlaPG68WMnn0bVnF6PF5k1wA a1QDo01GamJKapFCal5yfkpmXrqtkndwvHO8qZmBoa6hpYW5kkJeYm6qrZKLT4CuW2YO0BlK CmWJOaVAoYDE4mIlfTtME0JD3HQtYBojdH1DguB6jAzQQMIaxoynb44xFzzhqFhx/ihjA+ML ti5GTg4JAROJp3c/MULYYhIX7q0HiwsJTGeU2LDEr4uRC8h+zShxsLsBrIhXQEui//kVZhCb RUBV4tXrlewgNpuAjsT2b8eZQGxRgTCJQ23zmCDqBSV+TL7HAmKLCDhKbHr0G2wBs8B3Romp sytBbGEBC4mF+5ezQizrY5Ro+PcdbBmngKbEwZYGoAUcQA16EvcvakH0yktsXvOWeQKjwCwk K2YhVM1CUrWAkXkVo2hqQXJBcVJ6rpFecWJucWleul5yfu4mRnBEP5PewbiqweIQowAHoxIP byWLYIgQa2JZcWXuIUYJDmYlEd6EBwIhQrwpiZVVqUX58UWlOanFhxhNgQEwkVlKNDkfmGzy SuINjU3MjCyNzA0tjIzNlcR5D7ZaBwoJpCeWpGanphakFsH0MXFwSjUwCmj5B/44qjXL6WRQ qaGbwyG9X6+WxS+WsN7svWlng4GdXo5ql1d8+L22pxaFc05/eKYxp5uxqzR5S7TqrBfOh/vN +tIU7AW4H0z6yfvn2cWHD44F2b2ZH/VMQF5/zvuiaJtVsfHBWtqPfjxmcpMV2bLrQrabrMOn +c0J/a9nLPH6eS1qlfIuJZbijERDLeai4kQA8cNi5v4CAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Pavel. On 09/10/2014 05:56 AM, Pavel Machek wrote: > On Tue 2014-09-09 10:32:14, Olof Johansson wrote: >> On Tue, Sep 9, 2014 at 5:19 AM, Pavel Machek wrote: >>> >>> Without this patch, boot hangs when trying to mount root filesystem on >>> socfpga platform in about 50% cases. >> >> I think this should have a better description than this -- this is too >> vague. Did it use to always work, is this a new failure? You enable >> some more error checking and improved stop handling, why was the >> previous one inadequate on this platform? > > I don't think it ever worked reliably. I don't know what is different > for socfpga, or if it is broken on other platforms, too. I have two > socfpga boards here, but no other dw_mmc board. I didn't know what error is occurred at your board. But i guess it looks like HLE error, right? Or you can share how booting is failed. than i think we can discuss more detailedly about your problem. Best Regards, Jaehoon Chung > > Patch was separated from rocketboards.org repository. > > Hope this helps, > > Pavel >