Re: [PATCH 2/2] spi: qcom-geni: Add property to force GSI mode

[Dmitry Baryshkov]

On Sun, Jun 14, 2026 at 04:34:24PM +0800, Pengyu Luo wrote:
> Some devices (such as gaokun3) do not disable FIFO mode, causing the
> driver to fallback to FIFO mode by default. However, these platforms
> also support GSI mode, which is highly preferred for certain
> peripherals like SPI touchscreens to improve performance.
> 
> Introduce the "qcom,force-gsi-mode" device property to hint and force
> the controller into GSI mode during initialization.

Ideally, this should be decided by the SPI controller based on the
requirements. Another option would be to prefer GSI for all transfers if
it is available, ignoring the FIFO even if it is not disabled.

> 
> Signed-off-by: Pengyu Luo <mitltlatltl@xxxxxxxxx>
> ---
>  drivers/spi/spi-geni-qcom.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 

-- 
With best wishes
Dmitry