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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B9EDCC83F07 for ; Mon, 7 Jul 2025 08:16:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id: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-Owner; bh=7346OZHTuSrLm7WiDgkYI1AvDhjuIewBzgFjJ+P/eQs=; b=k+0UdvHMAQqBJ9iV94Y8dHVy7+ G8hFTSLbWzuY60pR7BuE10dWvjWJD+3DVkx1BhCXD7LXpbS/lG8C2yhuw/VyrxLuaHPTLcpCAhIaG 1ZOphTtu9/tix0lB+rWbpVJve7TrGKCA8vR1VVQXnSYxwfsrc8Zbx1xoUTsrU+hRpXFUn2fq8wyS+ T1WMqQNhlTmPc/1Ul+EQ76MkOKcITn0bDn7c1QYJA+3TO+wn/XqC7H+6e3VGWSxqLZ2no6TzHJbX8 sqS4SfD3oEdL+EI1ouz02Jy2H2S0TICMAhOqI6TbH3FL0tTHm23Xef6mUdcibi40DLYr2WWBw28BC hR7GDHVw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uYh1D-00000001pXX-1eCZ; Mon, 07 Jul 2025 08:16:07 +0000 Received: from proxy25212.mail.163.com ([103.129.252.12] helo=proxy41132.mail.163.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uYgQa-00000001iMN-14Or for linux-arm-kernel@lists.infradead.org; Mon, 07 Jul 2025 07:38:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=Date:From:To:Subject:Message-ID:MIME-Version: Content-Type; bh=7346OZHTuSrLm7WiDgkYI1AvDhjuIewBzgFjJ+P/eQs=; b=jJvp+wqEORUgf5bHI7laU///x9HXRZv0yPGdDonkb2PfI/m+wW2621MG6aroIJ Kr4+4P1HtNHIWtDcpf4AwEH5H5l8e/nEtXa1POqi+x82vT19GmWgjOezD2gS3oiQ fuKB6fl6IjvNJctcq+BxQgOBtYzmROYohhwbvKeTdst/E= Received: from dragon (unknown []) by gzsmtp1 (Coremail) with SMTP id Mc8vCgDXX_YmeWtoME88AA--.37050S3; Mon, 07 Jul 2025 15:37:12 +0800 (CST) Date: Mon, 7 Jul 2025 15:37:10 +0800 From: Shawn Guo To: Francesco Dolcini Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Francesco Dolcini , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v1] arm64: dts: freescale: imx8mm-verdin: Keep LDO5 always on Message-ID: References: <20250623132545.111619-1-francesco@dolcini.it> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250623132545.111619-1-francesco@dolcini.it> X-CM-TRANSID: Mc8vCgDXX_YmeWtoME88AA--.37050S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrZF4rur4rAFWUXryftFyDGFg_yoWDtwc_CF ySqr4xWw1xGFWjy3yqkF4UZFW8Kas3tr97tayIgrZxJF9xZay3XFWktFn5ZrnxGanxur98 Zw13t3saq3s7WjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUj7DGUUUUUU== X-Originating-IP: [114.216.146.217] X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiIAhdwmhreSi2IQAA3y X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250707_003816_567422_976D4E3F X-CRM114-Status: GOOD ( 13.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jun 23, 2025 at 03:25:45PM +0200, Francesco Dolcini wrote: > From: Francesco Dolcini > > LDO5 regulator is used to power the i.MX8MM NVCC_SD2 I/O supply, that is > used for the SD2 card interface and also for some GPIOs. > > When the SD card interface is not enabled the regulator subsystem could > turn off this supply, since it is not used anywhere else, however this > will also remove the power to some other GPIOs, for example one I/O that > is used to power the ethernet phy, leading to a non working ethernet > interface. > > [ 31.820515] On-module +V3.3_1.8_SD (LDO5): disabling > [ 31.821761] PMIC_USDHC_VSELECT: disabling > [ 32.764949] fec 30be0000.ethernet end0: Link is Down > > Fix this keeping the LDO5 supply always on. > > Cc: stable@vger.kernel.org > Fixes: 6a57f224f734 ("arm64: dts: freescale: add initial support for verdin imx8m mini") > Fixes: f5aab0438ef1 ("regulator: pca9450: Fix enable register for LDO5") > Signed-off-by: Francesco Dolcini Applied, thanks!