Source of spi-qup.c - linux-imx - PHYTEC BitBucket (Stash)

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    controller->iclk = iclk;
    controller->cclk = cclk;
    controller->irq = irq;
​
    ret = spi_qup_init_dma(master, res->start);
    if (ret == -EPROBE_DEFER)
        goto error;
    else if (!ret)
        master->can_dma = spi_qup_can_dma;
​
    controller->qup_v1 = (int)of_device_get_match_data(dev);
    controller->qup_v1 = (uintptr_t)of_device_get_match_data(dev);
​
    if (!controller->qup_v1)
        master->set_cs = spi_qup_set_cs;
​
    spin_lock_init(&controller->lock);
    init_completion(&controller->done);
​
    iomode = readl_relaxed(base + QUP_IO_M_MODES);
​
    size = QUP_IO_M_OUTPUT_BLOCK_SIZE(iomode);