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 2B3F917A2E8; Sun, 8 Feb 2026 09:07:19 +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=1770541640; cv=none; b=ABGHyF6L7xOKbPKr4Gl6Ux7hpnxQB6HQ4QsZrDFnA7jmV8Im0Xf9Yo9jx+9UlOaExSlSt6etFN3fg7KzBgyplByXbPKIQJTRrXv1K2/varW8rul/bZa4igllNO3RXqlb96PpSQI4vf4jMCpYQQijzTe9Wou+y4rD/8E29wUWHgs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770541640; c=relaxed/simple; bh=nWL+YRCde1tTqfNAF3CXBO2+lAImRdTF6CLe8gegw8E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=nsXrZhiUZtOzXwj+1wpNw+3iUBhnUDqxyB3xQ6JzN9+DsADVPZXOTFBDnryRNweBbuc8ITQiNfOhARQ1jgKubeA4LTIuqRFssx5AaOB14mCylcrpnj/ciEhjDMhSx+lCnvLWX1wUh9TcuZhxoBjqUom+GRqHWUQCpbxdJ8kiOAc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bLxqiaN+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bLxqiaN+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47710C4CEF7; Sun, 8 Feb 2026 09:07:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770541639; bh=nWL+YRCde1tTqfNAF3CXBO2+lAImRdTF6CLe8gegw8E=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=bLxqiaN+Oto05PPgHvCiOtmkp3bOOWdSQD9nAsZTW7hp2TxatZLznczBkKEmlm+zG yUo4qJVsCKRtw3efo8h9dH1IEWMCGinzGeDmHVRPb6uKCz5z2I47wZoS0m+FRa2cNl fznbdye12Tc7q+4SjCKiPbghf3E8ZoXw5rgSSYGf4LEKx5X4qsbuySfkiCmkWn59SF fvC33AwDCJJ8yOoblzXMavMIuKuy/U9sNr457efPKWS132/cxobO9/+zxYBwk+LM+E 1b4+2kutwSlMdRNoMC9jvGwjD3wYxI9a8i+387h5tsedugJ7LicM+dmc+uFVZ2AAZ0 mSfO8YYznPrBw== Message-ID: Date: Sun, 8 Feb 2026 10:07:15 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] arm64: dts: qcom: sm8550: Fix DTBO boot failure To: webgeek1234@gmail.com, Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kumar Sharma Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Pavan Kondeti References: <20260207-sm8550-abl-dtbo-v2-1-83afaa6f3ce9@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 08/02/2026 02:16, Aaron Kling via B4 Relay wrote: > From: Pavan Kondeti > > ABL requires certain things in the base dtb to apply a dtbo. Namely: > > * A label named qcom_tzlog must exist, but doesn't have to contain any > specific properties > * The timer node must have a label named arch_timer > > This aligns the sm8550 soc dtsi with those requirements. Without these > in the base dtb, when ABL attempts to apply any dtbo, it will fail to > the bootloader menu. > Incomplete DCO chain. > Co-authored-by: Aaron Kling > Signed-off-by: Aaron Kling > --- > With a current mainline sm8550 base dtb, ABL will fail to apply any dtbo > and fail back to the bootloader menu. There are two changes needed: Since when? We were testing SM8550 (me on QRD) all the time and there was no problem. You need to provide details which hardware needs it, if this is about to expected, but honestly, we don't add such nodes/labels for downstream bootloader. Qualcomm should fix the bootloder instead. Best regards, Krzysztof