Hi Girish,
On Thu, 5 Jul 2018 15:46:42 -0600
Girish Mahadevan <giri...@codeaurora.org> wrote:
> +
> +static int process_data(const struct spi_mem_op *op, struct qcom_qspi *ctrl)
> +{
> + int ret;
> +
> + ctrl->xfer.dir = (op->data.dir == SPI_MEM_DATA_IN) ?
> + QSPI_READ : QSPI_WRITE;
> + ctrl->xfer.mode = op->data.buswidth;
> + ctrl->xfer.is_last = true;
> + ctrl->xfer.rem_bytes = op->data.nbytes;
> +
> + if (ctrl->xfer.dir == QSPI_WRITE)
> + ctrl->xfer.tx_buf = op->data.buf.out;
> + else
> + ctrl->xfer.rx_buf = op->data.buf.in;
> + ret = qcom_qspi_pio_xfer(ctrl);
> + if (ret)
> + return ret;
Looks like you are converting the spi_mem_op into several regular SPI
transfers. Any good reasons for not relying on the core logic to do
that? In this case, all you'd have to do is implement ->transfer_one()
and be done with it.
> + ret = wait_for_xfer(ctrl);
> + return ret;
> +}
Regards,
Boris
