From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0EE3325565 for ; Fri, 26 Jan 2024 22:45:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706309107; cv=none; b=MPNxwxBN3B4mPVrNOKd+6TT4JpI1YaPB0DePizOb0WPG2Mf+/d4tr5ZtZHJXlFwnIUsROypjOvVIEGzWa/GA61VVqD94ahNLifPaHKxSJVJFzF+opIazVDxG2GONlYBwGehOE7vJWOdhHosVuOFHAIjjzIkPQA8drUn4w8SF2K0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706309107; c=relaxed/simple; bh=D4P/Cwwq5CdPp0OkIpSHz9ustopsmcpzLyejdVJcCeo=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=TP6CB7LbRwcbfi23Q8+hO3PTgoa/vHoADYYphOxoQ+utqJ8smBcx5Lbb/2NcmDvZmVGcSKVhVAv4gU36OLXjgpgT6TzX3QUk00cAmLEMkdCB16ISdoQ4TqzPA8DVfNKSudk7xkodT16InXkqdKvyCKDWZwEcEed3mh/SLSd5U04= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jmGddm1f; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="jmGddm1f" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6FF67C43399; Fri, 26 Jan 2024 22:45:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1706309106; bh=D4P/Cwwq5CdPp0OkIpSHz9ustopsmcpzLyejdVJcCeo=; h=Subject:To:Cc:From:Date:From; b=jmGddm1fXbjEIyDwKEag72DR2EqCG/HDNmJZWLLS2LhdjrXEUgao5uonMkae9aIqP eIIqHmXAtgK7Qa1FL+mIUAChaIE8KN25Xl1F/5XGXG64G4xN9tXF0nlxQeDtIxUghm +zeixX1egPId4AKL6SPyueSGyGriq641f+1gm/mo= Subject: FAILED: patch "[PATCH] ARM: dts: samsung: exynos4210-i9100: Unconditionally enable" failed to apply to 5.15-stable tree To: paul@crapouillou.net,krzysztof.kozlowski@linaro.org Cc: From: Date: Fri, 26 Jan 2024 14:45:05 -0800 Message-ID: <2024012605-dangling-sprout-0d8a@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 84228d5e29dbc7a6be51e221000e1d122125826c # git commit -s git send-email --to '' --in-reply-to '2024012605-dangling-sprout-0d8a@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 84228d5e29db ("ARM: dts: samsung: exynos4210-i9100: Unconditionally enable LDO12") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 84228d5e29dbc7a6be51e221000e1d122125826c Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Wed, 6 Dec 2023 23:15:54 +0100 Subject: [PATCH] ARM: dts: samsung: exynos4210-i9100: Unconditionally enable LDO12 The kernel hangs for a good 12 seconds without any info being printed to dmesg, very early in the boot process, if this regulator is not enabled. Force-enable it to work around this issue, until we know more about the underlying problem. Signed-off-by: Paul Cercueil Fixes: 8620cc2f99b7 ("ARM: dts: exynos: Add devicetree file for the Galaxy S2") Cc: stable@vger.kernel.org # v5.8+ Link: https://lore.kernel.org/r/20231206221556.15348-2-paul@crapouillou.net Signed-off-by: Krzysztof Kozlowski diff --git a/arch/arm/boot/dts/samsung/exynos4210-i9100.dts b/arch/arm/boot/dts/samsung/exynos4210-i9100.dts index a9ec1f6c1dea..a076a1dfe41f 100644 --- a/arch/arm/boot/dts/samsung/exynos4210-i9100.dts +++ b/arch/arm/boot/dts/samsung/exynos4210-i9100.dts @@ -527,6 +527,14 @@ vtcam_reg: LDO12 { regulator-name = "VT_CAM_1.8V"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + + /* + * Force-enable this regulator; otherwise the + * kernel hangs very early in the boot process + * for about 12 seconds, without apparent + * reason. + */ + regulator-always-on; }; vcclcd_reg: LDO13 {