On Tue, May 05, 2015 at 10:06:08PM +0800, Jun Nie wrote:
> +static int zx_dma_remove(struct platform_device *op)
> +{
> + struct zx_dma_chan *c, *cn;
> + struct zx_dma_dev *d = platform_get_drvdata(op);
> +
> + dma_async_device_unregister(&d->slave);
> + of_dma_controller_free((&op->dev)->of_node);
> +
> + list_for_each_entry_safe(c, cn, &d->slave.channels,
> + vc.chan.device_node) {
> + list_del(&c->vc.chan.device_node);
> + }
> + clk_disable_unprepare(d->clk);
> + dmam_pool_destroy(d->pool);
I don't see irq freed, here you can have tasklets executing and also able to
receive irq even when devices is getting freed
--
~Vinod
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