Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932646Ab1DLVem (ORCPT ); Tue, 12 Apr 2011 17:34:42 -0400 Received: from void.printf.net ([89.145.121.20]:60992 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932568Ab1DLVek (ORCPT ); Tue, 12 Apr 2011 17:34:40 -0400 From: Chris Ball To: Cyril Hrubis Cc: pavel@ucw.cz, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, eric.y.miao@gmail.com, utx@penguin.cz, zaurus-devel@www.linuxtogo.org, marek.vasut@gmail.com, linux-mmc@vger.kernel.org Subject: Re: zaurus: mmcblk0: error -110 References: <20110412151547.GC20815@atrey.karlin.mff.cuni.cz> <20110412193944.GC2665@atrey.karlin.mff.cuni.cz> <20110412205421.GD2665@atrey.karlin.mff.cuni.cz> Date: Tue, 12 Apr 2011 17:39:26 -0400 In-Reply-To: (Chris Ball's message of "Tue, 12 Apr 2011 17:21:15 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 925 Lines: 28 Hi, On Tue, Apr 12 2011, Chris Ball wrote: > There aren't many -EOPNOTSUPP returns in the stack. I see: > > card/block.c: mmc_blk_issue_secdiscard_rq and mmc_blk_issue_discard_rq > card/core.c: mmc_erase > core/sd_ops.c: mmc_app_cmd > > Mind doing some instrumentation to figure out which it is? Actually, this probably isn't necessary -- mmc_app_cmd() is the only call involved in the setup path, via mmc_sd_init_card() -> mmc_app_send_scr(). So, a better question: was mmc_app_send_scr() succeeding on your previous kernels? There hasn't been much change in this area lately. Thanks, - Chris. -- Chris Ball One Laptop Per Child -- 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/