linux-kernel - Re: [PATCH] arm64: dts: qcom: lemans-evk: Enable Bluetooth support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <lr6umprjjsognsrrwaqoberofivx6redodnqwnuqtpp47axhiv@nho74vyw2p4e>
Date: Mon, 10 Nov 2025 14:39:09 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Wei Deng <wei.deng@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-bluetooth@...r.kernel.org, stable@...r.kernel.org,
        cheng.jiang@....qualcomm.com, quic_jiaymao@...cinc.com,
        quic_chezhou@...cinc.com, quic_shuaz@...cinc.com
Subject: Re: [PATCH] arm64: dts: qcom: lemans-evk: Enable Bluetooth support

On Mon, Nov 10, 2025 at 11:27:09AM +0530, Wei Deng wrote:
> There's a WCN6855 WiFi/Bluetooth module on an M.2 card. To make
> Bluetooth work, we need to define the necessary device tree nodes,
> including UART configuration and power supplies.
> 
> Since there is no standard M.2 binding in the device tree at present,
> the PMU is described using dedicated PMU nodes to represent the
> internal regulators required by the module.
> 
> The 3.3V supply for the module is assumed to come directly from the

Why do you need to assume anything?

> main board supply, which is 12V. To model this in the device tree, we
> add a fixed 12V regulator node as the DC-IN source and connect it to
> the 3.3V regulator node.
> 
> Signed-off-by: Wei Deng <wei.deng@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/lemans-evk.dts | 115 ++++++++++++++++++++++++
>  1 file changed, 115 insertions(+)

Why do you cc stable for this patch?

-- 
With best wishes
Dmitry