From patchwork Tue Feb 6 21:59:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikulas Patocka X-Patchwork-Id: 10204191 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 879C960327 for ; Tue, 6 Feb 2018 21:59:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7315928D62 for ; Tue, 6 Feb 2018 21:59:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6785328D66; Tue, 6 Feb 2018 21:59:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id ED6F528D62 for ; Tue, 6 Feb 2018 21:59:42 +0000 (UTC) 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:MIME-Version: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:In-Reply-To:References: List-Owner; bh=hoK1v+Pq4sWUoSrwsmFyre3OpemIaQVqNUgq3jphi+o=; b=HLk2r7xkXhiWVz fBTJt6gikXwS3LbRqJKISaVkl9VX0UGH71RYrAHQ7IW6zVC9LGjSF9L7JO9KEdhLCuNght8aGr894 W6VbCAJ+1YXF1DEyGPFDc44jrf/7EJNuEr4tLyxHg4GWZmy3D+EUgH6ncsofFGILwWCV2aKlZdEq/ RIZ9cAy/dO2NLJOJkEkcXqRNJevsd06qJ4/bCt2ntLA7daJqdSYVl0xSecSkjVCqb//hyuED5g0U3 qJ6qm5tUp5SuM8vYKYuFOVnhHmqUlnf72Zexf0gKt5/bqTo8bQ1VBDqT1scd/RAY7hwPgz1ombwS5 Bz+HDLwvaeqDxVPoUcCw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1ejBH7-0002p9-Vc; Tue, 06 Feb 2018 21:59:37 +0000 Received: from mx3-rdu2.redhat.com ([66.187.233.73] helo=mx1.redhat.com) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1ejBH5-0002n8-Ie for linux-arm-kernel@lists.infradead.org; Tue, 06 Feb 2018 21:59:37 +0000 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D809D4040073; Tue, 6 Feb 2018 21:59:22 +0000 (UTC) Received: from file01.intranet.prod.int.rdu2.redhat.com (file01.intranet.prod.int.rdu2.redhat.com [10.11.5.7]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CF7B310EE979; Tue, 6 Feb 2018 21:59:22 +0000 (UTC) Received: from file01.intranet.prod.int.rdu2.redhat.com (localhost [127.0.0.1]) by file01.intranet.prod.int.rdu2.redhat.com (8.14.4/8.14.4) with ESMTP id w16LxMmb006783; Tue, 6 Feb 2018 16:59:22 -0500 Received: from localhost (mpatocka@localhost) by file01.intranet.prod.int.rdu2.redhat.com (8.14.4/8.14.4/Submit) with ESMTP id w16LxMRk006780; Tue, 6 Feb 2018 16:59:22 -0500 X-Authentication-Warning: file01.intranet.prod.int.rdu2.redhat.com: mpatocka owned process doing -bs Date: Tue, 6 Feb 2018 16:59:22 -0500 (EST) From: Mikulas Patocka X-X-Sender: mpatocka@file01.intranet.prod.int.rdu2.redhat.com To: Russell King Subject: Device tree bug in armada-8040-mcbin.dts Message-ID: User-Agent: Alpine 2.02 (LRH 1266 2009-07-14) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Tue, 06 Feb 2018 21:59:22 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Tue, 06 Feb 2018 21:59:22 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'mpatocka@redhat.com' RCPT:'' X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Hi When the MacchiatoBIN kernel is compiled with CONFIG_PM=y, it is frequently reporing this error (the error happens every time some I/O on built-in eMMC happens): "mmc0: Switching to 3.3V signalling voltage failed" The problem is that the "&ap_sdhci0" device tree node asserts that the controller doesn't support 1.8v, but it attaches it to the fixed voltage regulator "v_vddo_h" that only supplies 1.8V. Should it be attached to the 3.3V regulator instead? Or should the "vqmmc-supply" statemet be deleted? Or should the statement "no-1-8-v" be deleted? Mikulas This patch silences the error (though I don't know if it should be attached to a different regulator instead). --- arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts | 1 - 1 file changed, 1 deletion(-) Index: linux-4.14.13/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts =================================================================== --- linux-4.14.13.orig/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts 2017-11-29 02:52:18.000000000 +0100 +++ linux-4.14.13/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts 2018-01-14 14:54:59.000000000 +0100 @@ -115,7 +115,6 @@ no-sdio; non-removable; status = "okay"; - vqmmc-supply = <&v_vddo_h>; }; &cpm_i2c0 {