linux-kernel - Re: [PATCH] arm64: dts: qcom: qcs404: fix bluetooth device address

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Date: Wed, 1 May 2024 11:14:17 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Johan Hovold <johan+linaro@...nel.org>,
 Bjorn Andersson <andersson@...nel.org>
Cc: Konrad Dybcio <konrad.dybcio@...aro.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,
 stable@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: qcs404: fix bluetooth device address

On 01/05/2024 08:52, Johan Hovold wrote:
> The 'local-bd-address' property is used to pass a unique Bluetooth
> device address from the boot firmware to the kernel and should otherwise
> be left unset so that the OS can prevent the controller from being used
> until a valid address has been provided through some other means (e.g.
> using btmgmt).
> 
> Fixes: 60f77ae7d1c1 ("arm64: dts: qcom: qcs404-evb: Enable uart3 and add Bluetooth")
> Cc: stable@...r.kernel.org	# 5.10
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
>   arch/arm64/boot/dts/qcom/qcs404-evb.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
> index 10655401528e..a22b4501ce1e 100644
> --- a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
> @@ -62,7 +62,7 @@ bluetooth {
>   		vddrf-supply = <&vreg_l1_1p3>;
>   		vddch0-supply = <&vdd_ch0_3p3>;
>   
> -		local-bd-address = [ 02 00 00 00 5a ad ];
> +		local-bd-address = [ 00 00 00 00 00 00 ];
>   
>   		max-speed = <3200000>;
>   	};

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>