linux-kernel - Re: [PATCH 1/1] arm64: dts: qcom: talos: Drop opp-shared from QUP OPP table

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Message-ID: <9d296c2b-da69-4b50-8774-9fae6b360f89@oss.qualcomm.com>
Date: Wed, 12 Nov 2025 10:40:13 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>, andersson@...nel.org,
        konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dmitry.baryshkov@...aro.org
Cc: mukesh.savaliya@....qualcomm.com
Subject: Re: [PATCH 1/1] arm64: dts: qcom: talos: Drop opp-shared from QUP OPP
 table

On 11/11/25 6:03 PM, Viken Dadhaniya wrote:
> QUP devices are currently marked with opp-shared in their OPP table,
> causing the kernel to treat them as part of a shared OPP domain. This
> leads to the qcom_geni_serial driver failing to probe with error
> -EBUSY (-16).
> 
> Remove the opp-shared property to ensure the OPP framework treats the
> QUP OPP table as device-specific, allowing the serial driver to probe
> successfully
> 
> Fixes: f6746dc9e379 ("arm64: dts: qcom: qcs615: Add QUPv3 configuration")
> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad