Re: [PATCH v8 2/4] dmaengine: qcom: gpi: Add lock/unlock TREs for multi-owner I2C transfers

[Konrad Dybcio]

On 7/8/26 7:10 AM, Mukesh Kumar Savaliya wrote:
> Some platforms use a QUP-based I2C controller in a configuration where the
> controller is shared with another system processor (described in DT using
> qcom,qup-multi-owner). In such setups, GPI hardware lock/unlock TREs can be
> used to serialize access to the controller.
> 
> Add support to emit lock and unlock TREs around I2C transfers and increase
> the maximum TRE count to account for the additional elements.
> 
> Also simplify the client interface by replacing multiple boolean fields
> (shared flag and message position tracking) with a single lock_action
> selector (acquire/release/none), as the GPI driver only needs to know
> whether to emit lock/unlock TREs for a given transfer.
> 
> Signed-off-by: Mukesh Kumar Savaliya <mukesh.savaliya@xxxxxxxxxxxxxxxx>
> ---

Acked-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>

Konrad