From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: robin@snyders.xyz, Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: sm8150: describe download mode register
Date: Tue, 18 Aug 2026 14:32:09 +0200 [thread overview]
Message-ID: <7dfcdd41-7552-43d3-a2af-915aefb6b218@oss.qualcomm.com> (raw)
In-Reply-To: <20260811-submit-sm8150-dload-v2-1-fb688ac4896b@snyders.xyz>
On 8/11/26 11:39 PM, Robin Snyders via B4 Relay wrote:
> From: Robin Snyders <robin@snyders.xyz>
>
> The SM8150 SCM node does not describe the TCSR download-mode register.
> Without it, the SCM driver falls back to a firmware call and the
> mode cookie may remain set across a warm reset, causing the next boot to
> enter the Qualcomm crashdump transport.
>
> Describe the TCSR window and point qcom,dload-mode at offset 0x13000,
> matching the layout used by SM8250 and other related Qualcomm platforms.
>
> On a OnePlus 7T Pro this changes software reboot from a reproducible
> 05c6:900e transition to six consecutive successful boots.
>
> Signed-off-by: Robin Snyders <robin@snyders.xyz>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2026-08-18 12:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-11 21:39 Robin Snyders via B4 Relay
2026-08-18 12:32 ` Konrad Dybcio [this message]
2026-09-29 3:15 ` Bjorn Andersson
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