static int qcom_slim_ngd_post_rx_msgq()

in qcom-ngd-ctrl.c [647:673]

• 24 lines of code
• 3 McCabe index (conditional complexity)

static int qcom_slim_ngd_post_rx_msgq(struct qcom_slim_ngd_ctrl *ctrl)
{
	struct qcom_slim_ngd_dma_desc *desc;
	int i;

	for (i = 0; i < QCOM_SLIM_NGD_DESC_NUM; i++) {
		desc = &ctrl->rx_desc[i];
		desc->phys = ctrl->rx_phys_base + i * SLIM_MSGQ_BUF_LEN;
		desc->ctrl = ctrl;
		desc->base = ctrl->rx_base + i * SLIM_MSGQ_BUF_LEN;
		desc->desc = dmaengine_prep_slave_single(ctrl->dma_rx_channel,
						desc->phys, SLIM_MSGQ_BUF_LEN,
						DMA_DEV_TO_MEM,
						DMA_PREP_INTERRUPT);
		if (!desc->desc) {
			dev_err(ctrl->dev, "Unable to prepare rx channel\n");
			return -EINVAL;
		}

		desc->desc->callback = qcom_slim_ngd_rx_msgq_cb;
		desc->desc->callback_param = desc;
		desc->desc->cookie = dmaengine_submit(desc->desc);
	}
	dma_async_issue_pending(ctrl->dma_rx_channel);

	return 0;
}