linux-imx

        return -ENOMEM;

​

    mbc->txdone_irq = false;

    mbc->txdone_poll = true;

    mbc->txpoll_period = 1;

    for (chan_index = 0; chan_index < mbc->num_chans; chan_index++)

        mbc->chans[chan_index].con_priv = pdcs;

​

    /* Register mailbox controller */

    if (err) {

        dev_crit(dev,

             "Failed to register PDC mailbox controller. Error %d.",

             err);

        return err;

    }

    return 0;

}

​

/* Device tree API */

{

    struct pdc_state *pdcs = platform_get_drvdata(pdev);

​

    pdc_free_debugfs();

​

    tasklet_kill(&pdcs->rx_tasklet);

​

    pdc_hw_disable(pdcs);

​

    dma_pool_destroy(pdcs->rx_buf_pool);

    dma_pool_destroy(pdcs->ring_pool);

    return 0;

}

​

static struct platform_driver pdc_mbox_driver = {

    .probe = pdc_probe,

    .remove = pdc_remove,

    .driver = {

           .name = "brcm-iproc-pdc-mbox",