diff options
Diffstat (limited to 'drivers/dma/moxart-dma.c')
| -rw-r--r-- | drivers/dma/moxart-dma.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/dma/moxart-dma.c b/drivers/dma/moxart-dma.c index 631c4435e075..a6e642792e5a 100644 --- a/drivers/dma/moxart-dma.c +++ b/drivers/dma/moxart-dma.c @@ -148,6 +148,7 @@ struct moxart_chan { struct moxart_dmadev { struct dma_device dma_slave; struct moxart_chan slave_chans[APB_DMA_MAX_CHANNEL]; + unsigned int irq; }; struct moxart_filter_data { @@ -574,10 +575,8 @@ static int moxart_probe(struct platform_device *pdev) 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) { @@ -617,6 +616,7 @@ static int moxart_probe(struct platform_device *pdev) dev_err(dev, "devm_request_irq failed\n"); return ret; } + mdc->irq = irq; ret = dma_async_device_register(&mdc->dma_slave); if (ret) { @@ -640,6 +640,8 @@ static int moxart_remove(struct platform_device *pdev) { 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) |