/* note len is BYTES, not transfers */
                ifx_dev->spi_xfer.len = IFX_SPI_TRANSFER_SIZE;
                ifx_dev->spi_xfer.cs_change = 0;
-               ifx_dev->spi_xfer.speed_hz = 12500000;
+               ifx_dev->spi_xfer.speed_hz = ifx_dev->spi_dev->max_speed_hz;
                /* ifx_dev->spi_xfer.speed_hz = 390625; */
                ifx_dev->spi_xfer.bits_per_word = spi_bpw;
 
        ifx_dev->modem = pl_data->modem_type;
        ifx_dev->use_dma = pl_data->use_dma;
        ifx_dev->max_hz = pl_data->max_hz;
+       spi->max_speed_hz = ifx_dev->max_hz;
 
        /* ensure SPI protocol flags are initialized to enable transfer */
        ifx_dev->spi_more = 0;