Re: [PATCH v4 1/3] dmaengine: qcom: gpi: Add I2C bus recovery opcode support

[Mukesh Savaliya]

On 11/3/2026 2:26 PM, Aniket Randive wrote:
> The I2C_BUS_CLEAR and I2C_STOP_ON_BUS GENI sequencer opcodes release a
> stuck I2C bus, but the GPI DMA driver has no way to emit these
> zero-payload control commands, so an I2C controller using GPI DMA
> cannot recover the bus.
>
> Add I2C_BUS_CLEAR and I2C_STOP_ON_BUS to enum i2c_op so I2C drivers can
> request them through gpi_i2c_config.op. Handle them in
> gpi_create_i2c_tre() by emitting a CONFIG TRE (when set_config is set)
> followed by a GO TRE with IEOT set and no DMA TRE, and reserve the
> matching number of ring entries in gpi_prep_slave_sg().
>
> Signed-off-by: Aniket Randive <aniket.randive@xxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Mukesh Kumar Savaliya <mukesh.savaliya@xxxxxxxxxxxxxxxx>