struct moxart_dmadev {
struct dma_device dma_slave;
struct moxart_chan slave_chans[APB_DMA_MAX_CHANNEL];
+ unsigned int irq;
};
struct moxart_filter_data {
struct moxart_dmadev *mdc;
mdc = devm_kzalloc(dev, sizeof(*mdc), GFP_KERNEL);
- if (!mdc) {
- dev_err(dev, "can't allocate DMA container\n");
+ if (!mdc)
return -ENOMEM;
- }
irq = irq_of_parse_and_map(node, 0);
if (irq == NO_IRQ) {
dev_err(dev, "devm_request_irq failed\n");
return ret;
}
+ mdc->irq = irq;
ret = dma_async_device_register(&mdc->dma_slave);
if (ret) {
{
struct moxart_dmadev *m = platform_get_drvdata(pdev);
+ devm_free_irq(&pdev->dev, m->irq, m);
+
dma_async_device_unregister(&m->dma_slave);
if (pdev->dev.of_node)