linux-kernel - Re: [PATCH v3 4/6] arm64: dts: qcom: qcs8550: introduce qcs8550 dtsi

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Message-ID: <ec730ce7-2021-4cad-97e6-0a86c6063533@linaro.org>
Date: Tue, 19 Dec 2023 08:02:49 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Tengfei Fan <quic_tengfan@...cinc.com>, andersson@...nel.org,
 konrad.dybcio@...aro.org, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/6] arm64: dts: qcom: qcs8550: introduce qcs8550 dtsi

On 19/12/2023 01:50, Tengfei Fan wrote:
> QCS8550 is derived from SM8550, it is mainly used in IoT scenarios.

What are the differences? You need to describe the hardware, you have
entire commit msg for something useful which will avoid such comments
from reviewers.

> 
> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/qcs8550.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/qcs8550.dtsi
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs8550.dtsi b/arch/arm64/boot/dts/qcom/qcs8550.dtsi
> new file mode 100644
> index 000000000000..254657f46c5e
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qcs8550.dtsi
> @@ -0,0 +1,6 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include "sm8550.dtsi"

This is a weird file. I thought qcs8550 has differences from sm8550,
e.g. lack of modem, so why do you claim you have here MPSS?

It's really confusing now.

Best regards,
Krzysztof