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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 44D50CA9EBB for ; Mon, 4 Nov 2019 01:57:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0A39421D71 for ; Mon, 4 Nov 2019 01:57:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572832670; bh=mtTHSbd7Hygdqlh64EyjBn0IsDGy91z2yQc/KOzX5WU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=fSWTDdT0S9d36iPO6UyMoi1ck5pctocUB45im9I2rJSzOqyTfDjETxkns/vyJKB+K W1YZ/z1ljG41MIKlXDeK8wUjzDrZFPqt3YbvYlpUGfUCSW3m9PuT7gwsJr3OK0MAgv JGEgxOhkI0cPgvfijyygfNZqamygC6ke6nC2L4a8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728775AbfKDB5t (ORCPT ); Sun, 3 Nov 2019 20:57:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:45810 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728432AbfKDB5t (ORCPT ); Sun, 3 Nov 2019 20:57:49 -0500 Received: from dragon (li1038-30.members.linode.com [45.33.96.30]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5FBEA217F5; Mon, 4 Nov 2019 01:57:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572832668; bh=mtTHSbd7Hygdqlh64EyjBn0IsDGy91z2yQc/KOzX5WU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uFGqMMQUSdY8FeF1cxANXcYO0epjGC61gmKn4S+OW0/Fx4k3PD3xtBqv9JPI9642X 2xPvSnF+uXUEXdrhuT8Rc/n6L6aPR3hypcKwH97mHpRtARM1mtV+sByJLA/hhyV9ja rum3NU0wfmTs9wtJTTYMYKB9FtlsaQmB+oo7kX38= Date: Mon, 4 Nov 2019 09:57:23 +0800 From: Shawn Guo To: Anson Huang Cc: robh+dt@kernel.org, mark.rutland@arm.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Linux-imx@nxp.com Subject: Re: [PATCH V2] ARM: dts: imx7ulp-evk: Use APLL_PFD1 as usdhc's clock source Message-ID: <20191104015722.GM24620@dragon> References: <1572482622-22070-1-git-send-email-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1572482622-22070-1-git-send-email-Anson.Huang@nxp.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Thu, Oct 31, 2019 at 08:43:42AM +0800, Anson Huang wrote: > i.MX7ULP does NOT support runtime switching clock source for PCC, > APLL_PFD1 by default is usdhc's clock source, so just use it > in kernel to avoid below kernel dump during kernel boot up and > make sure kernel can boot up with SD root file-system. > > [ 3.035892] Loading compiled-in X.509 certificates > [ 3.136301] sdhci-esdhc-imx 40370000.mmc: Got CD GPIO > [ 3.242886] mmc0: Reset 0x1 never completed. > [ 3.247190] mmc0: sdhci: ============ SDHCI REGISTER DUMP =========== > [ 3.253751] mmc0: sdhci: Sys addr: 0x00000000 | Version: 0x00000002 > [ 3.260218] mmc0: sdhci: Blk size: 0x00000200 | Blk cnt: 0x00000001 > [ 3.266775] mmc0: sdhci: Argument: 0x00009a64 | Trn mode: 0x00000000 > [ 3.273333] mmc0: sdhci: Present: 0x00088088 | Host ctl: 0x00000002 > [ 3.279794] mmc0: sdhci: Power: 0x00000000 | Blk gap: 0x00000080 > [ 3.286350] mmc0: sdhci: Wake-up: 0x00000008 | Clock: 0x0000007f > [ 3.292901] mmc0: sdhci: Timeout: 0x0000008c | Int stat: 0x00000000 > [ 3.299364] mmc0: sdhci: Int enab: 0x007f010b | Sig enab: 0x00000000 > [ 3.305918] mmc0: sdhci: ACmd stat: 0x00000000 | Slot int: 0x00008402 > [ 3.312471] mmc0: sdhci: Caps: 0x07eb0000 | Caps_1: 0x0000b400 > [ 3.318934] mmc0: sdhci: Cmd: 0x0000113a | Max curr: 0x00ffffff > [ 3.325488] mmc0: sdhci: Resp[0]: 0x00000900 | Resp[1]: 0x0039b37f > [ 3.332040] mmc0: sdhci: Resp[2]: 0x325b5900 | Resp[3]: 0x00400e00 > [ 3.338501] mmc0: sdhci: Host ctl2: 0x00000000 > [ 3.343051] mmc0: sdhci: ============================================ > > Fixes: 20434dc92c05 ("ARM: dts: imx: add common imx7ulp dtsi support") > Signed-off-by: Anson Huang > Tested-by: Fabio Estevam Applied, thanks.