From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [PATCH] fix mmc hang during boot on socfpga Date: Thu, 11 Sep 2014 11:14:11 +0900 Message-ID: <54110573.3070304@samsung.com> References: <20140909121902.GA22965@amd> <20140909205618.GA32688@amd> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: 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 In-reply-to: <20140909205618.GA32688@amd> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org 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?= 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 >