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 1F074C3ABCB for ; Fri, 9 May 2025 20:15:42 +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=8W4x/SOfsK5KukV+9m2Wm8bOWGZZSROVtNjLW9SKw4k=; b=pgK11mlq87mVU0LQJ2aJw5k5HE O2p/CTaLx/3y3BgJ5igbzAGOWDzlGVAJdDLyEdTO9B96+UtAVEdQVFyq8MT37suuJSAS1I06cOEBH PhLjF+WiBjn3JwKbmBS4njW40x2mYDASqaHta0aASqJJXc20i1fn5QcEgNMMj1rAhVqOW6GMX9q2/ UcYES84zgQnyXYmDonbfzfQPBlOU0bnNXC/jI96qmUs2W6scRORNEc2vLOuX6O9vJzK0Fs52zEnlQ fPYlDoKnSpVXKC7FcnLd6RC/eh8lMxlzerX5FvR5PBkaVER+hCUm364u3NbobGWvcAgRQO/hB0YPg h24BKCLw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uDU80-00000004jKH-2GSu; Fri, 09 May 2025 20:15:28 +0000 Received: from mail-m16.yeah.net ([1.95.21.17]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uDP2m-00000003zU2-0hut for linux-arm-kernel@lists.infradead.org; Fri, 09 May 2025 14:49:45 +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=8W4x/SOfsK5KukV+9m2Wm8bOWGZZSROVtNjLW9SKw4k=; b=nlZ1ey9rhYWL6MQoeMZvKJ82l7lMwUfcl4SMECr6vhmuhYlzbO0cjPQ09gA1JP StjMYyYrWNnXXMOBviGbhJsMasN1x2YBCDSMHJE4Y3kn5dFBsv9MoqWXLSwLoqX+ 85821j/DVP1Ck5AwgZjnFKG2lqZjeIwkYwbQEWpGmegGU= Received: from dragon (unknown []) by gzsmtp3 (Coremail) with SMTP id M88vCgBnL_HwFR5oMpOoAA--.26367S3; Fri, 09 May 2025 22:49:21 +0800 (CST) Date: Fri, 9 May 2025 22:49:19 +0800 From: Shawn Guo To: Himanshu Bhavani Cc: shawnguo@kernel.org, tarang.raval@siliconsignals.io, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] arm64: dts: imx8mp-var-som: Fix LDO5 shutdown causing SD card timeout Message-ID: References: <20250505055828.4160-1-himanshu.bhavani@siliconsignals.io> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250505055828.4160-1-himanshu.bhavani@siliconsignals.io> X-CM-TRANSID: M88vCgBnL_HwFR5oMpOoAA--.26367S3 X-Coremail-Antispam: 1Uf129KBjvdXoW7WryUKw4kJw48Ww47trW8WFg_yoW3Xrb_Wa 18tanru3y3Ar9avr1rt3WxKrWSqw4qv3W7J3yUWrWqyFy2vay5JwsI93yrAw4rt39xtF1q q343Xw4UWF1a9jkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUjOVy7UUUUU== X-Originating-IP: [117.81.80.76] X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiAQVIZWgd+-h1qQABsC X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250509_074944_643372_1846FD10 X-CRM114-Status: UNSURE ( 9.21 ) X-CRM114-Notice: Please train this message. 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, May 05, 2025 at 11:28:27AM +0530, Himanshu Bhavani wrote: > Fix SD card timeout issue caused by LDO5 regulator getting disabled > after boot. > > The kernel log shows LDO5 being disabled, which leads to a timeout > on USDHC2: > [ 33.760561] LDO5: disabling > [ 81.119861] mmc1: Timeout waiting for hardware interrupt. > > To prevent this, set regulator-boot-on and regulator-always-on for > LDO5. Also add the vqmmc regulator to properly support 1.8V/3.3V > signaling for USDHC2 using a GPIO-controlled regulator. > > Fixes: 6c2a1f4f71258 ("arm64: dts: imx8mp-var-som-symphony: Add Variscite Symphony board and VAR-SOM-MX8MP SoM") > Signed-off-by: Himanshu Bhavani Applied, thanks!