On Mon, Jan 11, 2021 at 08:46:48PM +0530, Vinod Koul wrote:

> +static int get_xfer_mode(struct spi_master *spi)
> +{
> +	struct spi_geni_master *mas = spi_master_get_devdata(spi);
> +	struct geni_se *se = &mas->se;
> +	int mode = GENI_SE_FIFO;

Why not use the core DMA mapping support?