From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A6E3C4CEC9 for ; Tue, 17 Sep 2019 08:19:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CDB7020678 for ; Tue, 17 Sep 2019 08:19:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="c+T5Niar"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="YKCdabtX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CDB7020678 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WOsPqrTRTAmSLq8zpCKFyHVFitpBKwACL0wo6qws05A=; b=c+T5NiarXzZ4Xx hXDZxIgXdqsoZW33oK10z4ZKtVPkr/8W3fibo6rF/uIcnChiewtMtlCZZWKLz7uVVCPMId1H00lyN xLcufjsk6l2D03Hr0XkV+Fd+wPLWCUPLyDTUEEQf4Xm9odriZvaibRelko4KwQS5NHMMQPc9tGVdE k9BS1PamZ8ysYuF7pxmEU2eWjIgiJe8RxqcuBgdP54v1GFWrqrUvLrufRkKx0ASf00s3Khhxh9I2u cXOQ981axs+Ip1+Ia44hfGroEwcwxlcLv1PUhs9WUsqG/4zPF7glp8xxklCke26uy9qY7/pxE8OUV n75g8h1AqkZ3jqqe3zYw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iA8iB-00071O-Fo; Tue, 17 Sep 2019 08:19:47 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iA8i8-0006zs-6b for linux-arm-kernel@lists.infradead.org; Tue, 17 Sep 2019 08:19:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=2Fth2nxXRWyjF9gPjPNW9zvAWjkUJUEuCZC+A1qY0Vo=; b=YKCdabtXYu1Ki0UHQEzU93mIt l6NYw4ccUxF+eDRDs1l1N/RKfSeH7jpYMQhvGz8ycpkbJVWY/BU2DBTV4ryd2gIQmmCko9G87raI3 Olux7lJqMro1wum3sHCN1xFQNNp4VwwCcPKpLFcy7hrFMXJD2G6D3W4Aw81oegfB8bdUpFFTlNBCx zgb2Sl0nd0R33H376zY8yrMrb/SVS5aq4dJFBcFHPIJC+6885fKoY/wBp6HSt4FrvXMZTehHUV8Zl Jj1D6/LjUrnBXW8hYjhU1/RaMqLFB8DynPOVEWFWpwTpt8qoKm9GEUj2OKUahq9BZ6f1sU1BJwH7v 5XQVe4J5A==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:44678) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1iA8hx-0000Mm-Lv; Tue, 17 Sep 2019 09:19:33 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1iA8hv-00018B-OD; Tue, 17 Sep 2019 09:19:31 +0100 Date: Tue, 17 Sep 2019 09:19:31 +0100 From: Russell King - ARM Linux admin To: Marc Gonzalez Subject: Re: [REGRESSION] sdhci no longer detects SD cards on LX2160A Message-ID: <20190917081931.GI25745@shell.armlinux.org.uk> References: <20190916171509.GG25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190917_011945_193744_CE115FB1 X-CRM114-Status: UNSURE ( 9.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mmc@vger.kernel.org, Adrian Hunter , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Sep 17, 2019 at 10:06:12AM +0200, Marc Gonzalez wrote: > On 16/09/2019 19:15, Russell King - ARM Linux admin wrote: > > > The platform has an iommu, which is in pass-through mode, via > > arm_smmu.disable_bypass=0. > > Could be 954a03be033c7cef80ddc232e7cbdb17df735663 > "iommu/arm-smmu: Break insecure users by disabling bypass by default" > > Although it had already landed in v5.2 It is not - and the two lines that you quoted above are sufficient to negate that as a cause. (Please read the help for the option that the commit referrs to.) In fact, with bypass disabled, the SoC fails due to other masters. That's already been discussed privately between myself and Will Deacon. arm_smmu.disable_bypass=0 re-enables bypass mode irrespective of the default setting in the Kconfig. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel