From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m16.yeah.net (mail-m16.yeah.net [1.95.21.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC24622A1ED for ; Fri, 9 May 2025 14:49:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=1.95.21.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746802199; cv=none; b=s4hZA491x0Rfq+NTAZrsD6PRjggQ3dpUqsk4zoa044Pv7MW5GdQMHcGxc01W0BrX2+UdjL8xdEw+aQlz2CWKOXunbzdftukVi7PCNTVa0Qnkcr8bv97Ht99PuD9GRCEbl6PinN3CB5hX81hhPiccssn0VDIoBO7pavVVqC73j0A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746802199; c=relaxed/simple; bh=aFiukFtu4i+F/1eg7Cg9rkmZ16PPBLIO7y7QaxznsV0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=l8BtDxN7NRdNw2U2GjJqPiqU4bEQJkaWkNAR8Isha1gkq/Y2uZyjQj+zx2WQndiAa3PVNb0RGUItS/i/vYfTO3/5NT4VcNKs1OCziRa2mLmoOWzMugDzL+8oyGLnH2doaOS7+O5GjmKU0ZE3a4FRy8f5Q4u5m1UY2ijasGJURlk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net; spf=pass smtp.mailfrom=yeah.net; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b=nlZ1ey9r; arc=none smtp.client-ip=1.95.21.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yeah.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b="nlZ1ey9r" 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> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiAQVIZWgd+-h1qQABsC 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!