[PATCH v7 10/14] phy: qcom: qmp-usbc: Add USB/DP exclude handling
Konrad Dybcio
konrad.dybcio at oss.qualcomm.com
Sat Sep 27 05:25:48 PDT 2025
On 9/26/25 9:25 AM, Xiangxu Yin wrote:
> When both USB and DP PHY modes are enabled simultaneously on the same
> QMP USBC PHY, it can lead to hardware misconfiguration and undefined
> behavior. This happens because the PHY resources are not designed to
> operate in both modes at the same time.
>
> To prevent this, introduce a mutual exclusion check between USB and DP
> PHY modes.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
> Signed-off-by: Xiangxu Yin <xiangxu.yin at oss.qualcomm.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
Konrad
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