From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 23822E0094C; Mon, 8 Jun 2015 09:19:04 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low * trust * [209.85.220.46 listed in list.dnswl.org] * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id C8610E00496 for ; Mon, 8 Jun 2015 09:19:02 -0700 (PDT) Received: by pabqy3 with SMTP id qy3so100548122pab.3 for ; Mon, 08 Jun 2015 09:19:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=BDmpFhyzKXoZWr24DLExHMjdhDpcpnK1VhuLUDrjbOM=; b=HH82MhQC7kNu01yWGZ2IuhdWBHXOrCoLa0BVNyWdHhsCX1nfW1JQMKBeYNvqwFPWZS 0/XBruTPj8+U5vitmkGtvI5n5EmCpBkKiYSGBauxgPO8voyks1MiRWDFZErKfRWhJeui uuex0qLtTvd+OA9jJUIb6y/CouOvvstRoC/Roi4M48wXKfIFSXQknrbw0RjQOaTJucvo WMK9CtK8FP0/w/Rawxen3cGp5x1JYP7B/EuxYLPcIFcW8eqc13apy/MP+3UWjn3E2U06 X3LFSLoa+4YsP6AqFIDHcD11ifmCCJz9mGQKs3gbWiGUSLiBVnJcPUUEaoNwR8doDH1X 5NXg== X-Gm-Message-State: ALoCoQmHmoeHJ8PDVZb55ykpZrAA4y4k5K4EC2kXl+lydF7VtR4qVdConifBDBh55wVauOUJ/J9w X-Received: by 10.70.133.66 with SMTP id pa2mr31263870pdb.164.1433780341759; Mon, 08 Jun 2015 09:19:01 -0700 (PDT) Received: from [192.168.0.139] (wsip-70-184-93-199.ph.ph.cox.net. [70.184.93.199]) by mx.google.com with ESMTPSA id qz7sm3049377pbc.11.2015.06.08.09.19.00 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Jun 2015 09:19:01 -0700 (PDT) Message-ID: <5575C074.4040902@boundarydevices.com> Date: Mon, 08 Jun 2015 09:19:00 -0700 From: Eric Nelson User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: =?UTF-8?B?QW5kcmVhcyBNw7xsbGVy?= , meta-freescale@yoctoproject.org References: <1433767686-4472-1-git-send-email-schnitzeltony@googlemail.com> <1433767686-4472-2-git-send-email-schnitzeltony@googlemail.com> In-Reply-To: <1433767686-4472-2-git-send-email-schnitzeltony@googlemail.com> Cc: Troy Subject: Re: [meta-fsl-arm/V2][PATCH 1/2] linux-imx_3.14.28: fix initial MMC device detection X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jun 2015 16:19:04 -0000 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Hi Andreas, On 06/08/2015 05:48 AM, Andreas Müller wrote: > On Variscite Varsom we have three devices connected to MMC > > * MMC1: eMMC > * MMC2: SDCard > * MMC3: Wifi > > Without this patch only the first device was detected properly. > I found two workarounds which can be removed by this patch: > > 1. Variscite: booting from SDCard made possible by renumbering MMC devices [1]. > 2. BoundaryDevices: Add workqueues for each mmc_host [2]. This had been tested > here too but causes crashing sdcard for huge storage traffic. > > [1] https://github.com/varigit/linux-2.6-imx/blob/imx_3.10.53_1.1.0_ga_var01/arch/arm/boot/dts/imx6qdl.dtsi / Line 879 > [2] https://github.com/boundarydevices/linux-imx6/commit/1d40159a995a298f16901bfb14ae3e0294c65691 > Thanks very much for the note. Eric